EP2572619B1 - Boîtier d'aspirateur - Google Patents

Boîtier d'aspirateur Download PDF

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Publication number
EP2572619B1
EP2572619B1 EP12184022.7A EP12184022A EP2572619B1 EP 2572619 B1 EP2572619 B1 EP 2572619B1 EP 12184022 A EP12184022 A EP 12184022A EP 2572619 B1 EP2572619 B1 EP 2572619B1
Authority
EP
European Patent Office
Prior art keywords
vacuum cleaner
cleaner housing
floor
projection
wheels
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.)
Active
Application number
EP12184022.7A
Other languages
German (de)
English (en)
Other versions
EP2572619A2 (fr
EP2572619A3 (fr
Inventor
Silvio Hamm
Joachim Klemm
Stefan Neumann
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2572619A2 publication Critical patent/EP2572619A2/fr
Publication of EP2572619A3 publication Critical patent/EP2572619A3/fr
Application granted granted Critical
Publication of EP2572619B1 publication Critical patent/EP2572619B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/0009—Storing devices ; Supports, stands or holders
    • 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
    • A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • A47L5/362—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the horizontal type, e.g. canister or sledge type
    • 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
    • A47L9/22—Mountings for motor fan assemblies

Definitions

  • the present invention relates to a vacuum cleaner housing.
  • a large number of vacuum cleaner housings are known from the prior art.
  • a cylinder vacuum cleaner which has a rear impeller on an edge near the floor.
  • the impeller is designed to be small compared to the dimensions of the housing of the cylinder vacuum cleaner.
  • the WO 2004/105567 A1 and the JP 8056873 A1 refer to vacuum cleaners that have larger impellers. These are essentially attached in the middle of the vacuum cleaner. Both vacuum cleaners each have a wheel on either side of the central running wheels, so that the vacuum cleaner can be tilted around the central wheels in two operating positions.
  • the DE 19805561 A1 and the parallel DE 29825194 U1 relate to a vacuum cleaner in which running wheels are arranged on both sides in the area of its rear side of the housing, which at a circumferential point protrude at least slightly beyond the plane of the rear side of the housing.
  • a rearward protruding edge is provided in the area of its upper side of the housing, which is dimensioned such that the plane defined by the protruding circumferential point of the running wheels and the free end of the edge lies outside the rear of the housing. This allows the vacuum cleaner to be brought into a storage position.
  • the pamphlet JP 2004 105 587 A discloses a vacuum cleaner which has a holder on its rear end near its running wheels which can be folded out for the purpose of storing the vacuum cleaner in order to put the vacuum cleaner in to be able to stably store a storage position tilted essentially by 90 ° in relation to its operating position.
  • vacuum cleaners are supplied with electrical energy via a power cord. This is typically housed inside the relevant devices via a cable drum with an automatic winding system. In order to be able to connect the device to an electrical outlet, due to the size difference between the vacuum cleaner and the user, a force is typically exerted on the vacuum cleaner which can cause the device to tip over when the power cord is pulled out.
  • the invention is therefore based on the object of creating an improved vacuum cleaner housing that enables the vacuum cleaner housing to be held down more easily.
  • a vacuum cleaner housing comprises a bottom surface which extends essentially parallel to a longitudinal direction of the vacuum cleaner housing and in an operating position of the vacuum cleaner housing facing a floor, and a rear surface which in the operating position extends essentially perpendicular to the longitudinal direction of the vacuum cleaner housing and faces the floor in a storage position of the vacuum cleaner housing different from the operating position.
  • the vacuum cleaner housing further comprises two wheels which are arranged on opposite side surfaces and each have a point of contact with the floor in the operating position and in the storage position, and a projection which extends along the longitudinal direction beyond the rear surface, the projection being at one in the operating position Has a concave surface facing away from the bottom, which is shaped such that a user can exert a force on the vacuum cleaner housing with one foot in the operating position with one foot.
  • the projection is designed in such a way that it prevents the vacuum cleaner housing from tilting beyond a predetermined angle beyond the two wheels.
  • the projection can be designed in such a way that a change from the operating position to the storage position is prevented, or at least made more difficult, by an unintentional application of force on the vacuum cleaner housing.
  • the vacuum cleaner housing according to the invention achieves this by providing the projection and its concave side. This outwardly or downwardly curved surface can serve as a step surface for the user and thus enable the vacuum cleaner housing to be held down by an action of force on the floor.
  • this can thus be rotated essentially by 90 ° during a transition from the operating position to the storage position.
  • the rear surface and the bottom surface of the vacuum cleaner housing can be essentially perpendicular to one another. This can make it possible to reduce the space required by the vacuum cleaner housing in the storage position.
  • a vacuum cleaner housing for example, due to its geometric design, it can reduce a contact area on the floor in the storage position compared to a contact area in the operating position by a factor of between 1.1 and 1.8. In some exemplary embodiments, the space requirement can be reduced by a factor of 1.2 to 1.6 can be realized.
  • a vacuum cleaner housing according to an exemplary embodiment can have a length along the longitudinal direction that is 1.3 times to 1.6 times a height of the vacuum cleaner housing perpendicular to the longitudinal direction and perpendicular to the floor in the operating position.
  • an embodiment of a vacuum cleaner housing can have a width which is between 1.1 times and 1.4 times the height of the vacuum cleaner housing.
  • a vacuum cleaner housing according to an exemplary embodiment can furthermore have a further wheel on the floor surface, which is optionally steerable. Together with the two wheels arranged on the side surfaces, a vacuum cleaner housing according to an exemplary embodiment can thus stand on the floor in the operating position with exactly three or even more than three wheels.
  • the projection can be arranged along a direction running perpendicular to the floor in the operating position between the axes of the two wheels and the contact points of the two wheels on the floor.
  • the projection can be arranged with its concave configuration of the surface on one side below the axes of the two wheels. This makes it possible to reduce the height required for this when the user's foot is lifted in order to be able to exert the force directed towards the floor on the vacuum cleaner housing. This can make it even easier for the user to exert the appropriate force on the vacuum cleaner housing, which can be advantageous for older and / or disabled people, for example.
  • the projection can adjoin the floor surface and / or be arranged in a region of the floor surface on the rear surface.
  • the projection can be arranged at a position close to the bottom surface of the vacuum cleaner housing, so that a distance of the projection from the floor in the operating position can optionally be further reduced. In this way, the exertion of force by the user's foot on the vacuum cleaner housing can optionally be further simplified, which can be advantageous for the aforementioned groups of people.
  • the predetermined angle can be selected so that a plumb point of a center of gravity of the vacuum cleaner housing on the floor when the vacuum cleaner housing is tilted by the predetermined angle lies between a contact point of the projection with the floor and the respective contact points of the two wheels on the floor .
  • the predetermined angle can be between 5 ° and 25 °. In other exemplary embodiments, the predetermined angle can be between 8 ° and 16 °, for example 12 °. This makes it possible on the one hand to limit a length of the vacuum cleaner housing along the longitudinal direction and on the other hand to reduce stress on the vacuum cleaner housing and / or the floor caused by inadvertent changing of the vacuum cleaner housing from the tilted position back to the operating position. During this movement, the vacuum cleaner housing tilts around the two wheels and hits the floor with the floor surface, another wheel appropriately attached to the floor surface, or another support structure. A noise during this movement can also be reduced as a result.
  • the projection in which the projection is designed such that it prevents the vacuum cleaner housing from tilting beyond the predetermined angle beyond the two wheels, the projection can at least partially ball-shaped on a side facing the floor, so that if the vacuum cleaner housing is tilted beyond the predetermined angle, the vacuum cleaner housing can rotate around the ball-shaped side of the projection about an axis of rotation that is essentially perpendicular to the floor.
  • the projection on the side facing the floor, the projection can also have a completely curved profile or a convex profile, at least in sections. This makes it possible to prevent the device from tipping or falling over, especially on carpeted floors, when the suction hose is pulled from the side or rear. In this case, the vacuum cleaner housing can possibly no longer stand up with the two wheels at the same time due to the rotation around the ball-shaped side of the projection.
  • a vacuum cleaner housing can furthermore comprise a connection for a hose or a suction hose which is arranged on a section of the vacuum cleaner housing facing away from the projection.
  • the projection can be arranged, for example in the middle, between the wheels. This makes it possible to make the projection wide in order to make it easier for the user of the vacuum cleaner housing to exert the force directed towards the floor with the foot. It may also be possible in this way to make the projection mechanically particularly stable and, if necessary, to be able to better integrate it into the overall visual impression of the vacuum cleaner housing.
  • an extreme point of this ball-shaped side facing the floor can optionally be arranged centrally or offset from the center. The extreme point here typically forms the point of contact between the projection and the ground.
  • a rotational behavior of the vacuum cleaner housing around the axis of rotation that is essentially perpendicular to the floor can be improved, since a force acting via the hose on the vacuum cleaner housing along the longitudinal direction can possibly occur more frequently than around a direction that is rotated relative to this. So it may be advisable to arrange the extreme point of the ball-shaped side of the projection in relation to the connection for the hose along a direction that includes an angle with the longitudinal direction of the vacuum cleaner housing that is different from 0 °, for example at least 3 °, at least 5 ° or at least 10 °.
  • a vacuum cleaner housing can furthermore have a pull-out for a mains plug, which is arranged on the rear surface or on a section of the vacuum cleaner housing which faces the rear surface and is opposite the bottom surface.
  • the pull-out for the mains plug can be arranged on the rear surface or on an upper cover surface of the vacuum cleaner housing.
  • These arrangements of the pull-out for the mains plug form cases in which it can be advantageous to exert a force on the floor on the vacuum cleaner housing.
  • Other cases include, for example, connecting or removing the aforementioned hose, opening or closing the vacuum cleaner housing for maintenance purposes or for removing accessories, or also supporting a movement of the vacuum cleaner housing on a correspondingly designed floor, for example a carpet or in the area of a Doorstep.
  • the possibility of being able to exert a force directed towards the floor on the vacuum cleaner housing can also be supported if necessary by the structural design of the wheels and the vacuum cleaner housing. For example, it can be advisable to implement a correspondingly designed projection when the two wheels have a diameter that corresponds to at least 50% of a height of the vacuum cleaner housing in the area of the two wheels. In one embodiment of a vacuum cleaner housing, especially when implementing comparatively large wheels, both an increased tendency to tilt the housing and an increased need to exert force on the vacuum cleaner housing can occur.
  • the projection can protrude so far along the longitudinal direction beyond the rear surface that the Protrusion, the two wheels and a further support point on the rear surface of the vacuum cleaner housing lie in one plane.
  • the projection can be designed in such a way that the two wheels and a further support point on the rear of the vacuum cleaner housing form four support points for the vacuum cleaner housing in the storage position. In this way, a more secure parking position, which is possibly mechanically more stable, can be created.
  • Embodiments of a vacuum cleaner housing can in principle be made from a wide variety of materials.
  • the vacuum cleaner housing can comprise a metal, but also a plastic, for example an injection-mouldable plastic.
  • a vacuum cleaner housing can also have rubber or other elastic materials. Decorative strips and shock absorbers, for example, can be made from these.
  • a vacuum cleaner housing can furthermore comprise a fan and an outlet for the air sucked in by the fan.
  • the vacuum cleaner housing can optionally have one or more filters that can be permanently, that is, non-detachable, mechanically connected to the vacuum cleaner housing, but can also be designed to be exchangeable.
  • a vacuum cleaner housing can optionally have a receptacle for a filter and / or a filter bag or another collecting container.
  • a vacuum cleaner housing according to an exemplary embodiment can furthermore comprise a cable drum or some other cable winder which is designed to allow a power cord or a power plug to be received in an interior of the vacuum cleaner housing.
  • a cable drum can optionally include a winding mechanism, with the aid of which the power cord can be pulled into the interior of the vacuum cleaner housing.
  • the present invention thus enables, with simple constructive and inexpensive means, an easier exertion of a force directed towards the floor on the vacuum cleaner housing in the operating position. In this way, if necessary, damage to the vacuum cleaner housing caused by the user's foot standing up can be avoided. As an alternative or in addition, operation of the vacuum cleaner housing can also be made easier for older and / or disabled users. Furthermore, a visually pleasing and robust possibility for exerting a force directed towards the floor on the vacuum cleaner housing can optionally be made possible.
  • Fig. 1 shows a side view of a vacuum cleaner housing 100 according to an embodiment. This is related to Fig. 1, 2 and 3rd described and explained in more detail below.
  • Fig. 2 a rear view of the vacuum cleaner housing 100
  • Fig. 3 shows a perspective view of the vacuum cleaner housing 100.
  • the vacuum cleaner housing 100 as shown in FIGS Figs. 1 to 3 is shown here is shown in an operating position or operating position.
  • the vacuum cleaner housing thus has a bottom surface 110 which extends essentially parallel to a longitudinal direction 120 of the vacuum cleaner housing 100.
  • the longitudinal direction 120 and the bottom surface 110 can also enclose an angle with one another which is different from 0 °.
  • two objects that extend essentially (parallel) to one another are understood to mean those that enclose an angle of at most 30 °, in other exemplary embodiments of at most 25 ° or also of at most 15 ° in other exemplary embodiments.
  • the bottom surface 110 is in the in Fig. 1 Operating position shown facing a floor 130.
  • the vacuum cleaner housing 100 furthermore has a rear surface 140, which extends essentially along a vertical direction 150, which in turn runs essentially perpendicular to the longitudinal direction 120 of the vacuum cleaner housing.
  • the rear surface 140 extends in the operative position as it does in FIGS Fig. 1, 2 and 3rd is shown substantially perpendicular to the longitudinal direction 120.
  • the rear surface 140 is in a storage position of the vacuum cleaner housing 100, which differs from that shown in FIGS Figs. 1 to 3 The operating position shown differs, facing the floor 130.
  • the vacuum cleaner housing 100 also has two opposite side surfaces 160-1 and 160-2.
  • a wheel 170-1 and 170-2 is arranged on each of the side surfaces 160, each having a point of contact 180-1, 180-2 with the floor 130 both in the operating position and in the storage position or storage position.
  • the in Figs. 1 to 3 The vacuum cleaner housing shown, the two wheels 170 each have a diameter which corresponds to at least 50% of a height of the vacuum cleaner housing 100 in the area of the two wheels 170.
  • the axes of the two wheels 170 from the rear surface 140 are arranged in such a way that their distance from the rear surface 140 is at most 60% of a diameter of the two wheels 170.
  • the two wheels 170 - 1 and 170 - 2 are arranged on an end of the vacuum cleaner housing 100 facing the rear surface 140 on the two side surfaces 160.
  • the size of the wheels 170 enables a comparatively large ground clearance, i.e. a distance between the floor surface 110 and the floor 130 in the operating position, so that the vacuum cleaner housing can also drive over and drive over larger thresholds, for example door thresholds, but also long-pile carpets with comparatively little effort.
  • the arrangement of the two wheels 170 on the end of the vacuum cleaner housing 100 facing the rear surface 140 also enables the vacuum cleaner housing 100 to be easily tilted around the two wheels 170 Vacuum cleaner housing 100 from the in Figs. 1 to 3 to bring the operating position shown in the aforementioned storage position.
  • the vacuum cleaner housing 100 can be tilted by pulling on a mains plug or a mains cable when pulling the relevant mains plug out of a pull-out 190. So it shows in the Figs. 1 to 3
  • the vacuum cleaner housing 100 shown has the pull-out 190 on the rear surface 140, behind which a cable drum provided with an automatic roll-up or roll-up mechanism is arranged. In order to pull the power cord out of the pull-out 190, the user of the vacuum cleaner housing 100 must therefore overcome a force of this winding mechanism.
  • the excerpt 190 is here, as in particular Fig.
  • FIG. 2 shows, attached not centrally, that is to say centrally on the rear surface 140 of the vacuum cleaner housing 100. Rather, it is arranged offset to one side, so that a force is exerted on the vacuum cleaner housing 100 not only when it is pulled out along the vertical direction 150, but also along a transverse direction 200 that is perpendicular to the vertical direction 150 and the longitudinal direction 120. This may experience a torque causing tilting.
  • the vacuum cleaner housing 100 therefore has a projection 210 which extends along the longitudinal direction 120 (or counter to the longitudinal direction 120) beyond the rear surface 140.
  • the projection 210 In the operating position, the projection 210 has a side 220 which faces away from the base 130 and which has a concave surface.
  • the side 220 with its concave configuration is shaped in such a way that a user in the Figs. 1 to 3 operating position shown can exert a force directed towards the floor 130 on the vacuum cleaner housing 100 with one foot.
  • the rear of the projection 210 is designed as a surface which is curved outward so that it can form a concave, curved tread surface for a foot.
  • the device or the vacuum cleaner housing 100 can be pressed onto the floor 130 when the mains cable, mains plug or supply cable is pulled out.
  • the user's foot does not have to be supported on the cover, so that If necessary, scratches or other damage to the cover or to the vacuum cleaner housing 100 can be avoided.
  • the projection 210 is arranged along the vertical direction 150, that is to say along the direction running essentially perpendicular to the floor surface 110 in the operating position, between the axes of the two wheels 170 and the contact points 180 of the two wheels 170 on the floor 130. More specifically, the projection 210 closes in the case of the Figs. 1 to 3
  • the projection 210 is arranged very close to the base 130 on a side facing the latter. This enables the user not to have to lift his foot so far, which can be of advantage in particular for older users and / or possibly disabled users.
  • the projection 210 and the side 220 formed by it with its concave surface are mechanically connected to the bottom surface 110 via a plurality of webs 230. This not only makes it easier to manufacture the vacuum cleaner housing 100, since this construction enables comparatively easy removal from the mold during the manufacturing process, it also stabilizes the projection 210 in such a way that a corresponding force can be exerted on it by the foot of the user of the vacuum cleaner housing 100 .
  • the vacuum cleaner housing 100 also has a further wheel 240 on the bottom surface 110, which wheel can optionally be designed as a steerable wheel. As an alternative to a wheel 240, a ball can also be implemented at this point.
  • the further wheel 240 which is also in contact with the floor 130 in the operating position, serves as additional support for the vacuum cleaner housing 100 and, in the case of a steerable design, enables the vacuum cleaner housing to be followed more easily when the user uses a hose that can be connected to the vacuum cleaner housing exerts a corresponding force on the vacuum cleaner housing 100.
  • the vacuum cleaner housing 100 also has a connection 250 for a hose, via which a suction hose is connected to the vacuum cleaner housing 100 can be coupled.
  • the connection 250 can be equipped with a latching or other locking mechanism in order to enable the hose to be connected to the vacuum cleaner housing 100 in a mechanically stable and at the same time releasable manner.
  • the connection 250 for the hose (not shown) is arranged on a section of the vacuum cleaner housing 110 facing away from the projection 210. More precisely, the connector 250 is attached to a front region of a cover 260 of the vacuum cleaner housing 100.
  • the rear surface 140 furthermore has a receptacle 270 for a floor cleaning attachment, so that this can, if necessary, be attached to the vacuum cleaner housing 100 together with the hose connected to the connector.
  • the receptacle 270 is formed in one piece with the rest of the rear surface 140 and has a corresponding structure which enables a corresponding counter-structure of the floor cleaning attachment to be gripped behind. In this way, a form-fitting connection can be created between them.
  • the receptacle forms a further support point via which the vacuum cleaner housing is in contact with the floor 130 in the storage position.
  • connection 250 is followed by a space 280 which is designed to accommodate a filter bag.
  • space 280 or the connection 250 is designed such that the filter bag can be mechanically connected to the connection 250 in such a way that a particle-laden gas flow entering the space 280 through the connection 250 flows into the filter bag.
  • the space 280 is separated from a blower space 290 arranged counter to the longitudinal direction 120 by a wall 300 which has a receptacle for a filter element.
  • the wall 300 is correspondingly at least partially permeable to the air flow and accordingly has cross braces to improve the mechanical stability.
  • a blower 310 is arranged in the blower space 290, which is designed to suck in an air flow via the wall 300 out of the space 280 and thus via the connection 250.
  • the fan 310 is also designed to expel the air into the fan chamber 290 at a corresponding outlet thereof. This creates a pressure difference between the space 280 and the blower chamber 290, with an overpressure prevailing in the blower chamber 290.
  • pressure Via a receptacle 320 for a blow-out filter, pressure can be equalized with the surroundings via a grid 330 in the cover 260 of the vacuum cleaner housing. As a result, an air flow that has been cleaned again and, if necessary, noise-damped by the filter contained in the receptacle 320, escapes through the grille 330 to the environment.
  • Fig. 4 also shows a cross section through a bearing 340 with which the further wheel 240 (not shown in FIG Fig. 4 ) is mechanically connected to the vacuum cleaner housing 100.
  • Fig. 4 it also shows Fig. 4 not that the previously mentioned cable drum for providing the power or mains cable is also arranged in the blower room 290 or in an adjacent room.
  • the previously mentioned cable drum for providing the power or mains cable is also arranged in the blower room 290 or in an adjacent room.
  • at least two massive components of the vacuum cleaner are arranged in the fan chamber 290, namely the fan 310 and the cable drum.
  • room 280 hardly houses any massive objects.
  • This is essentially equipped or can be equipped with the filter bag and the corresponding filters.
  • a center of gravity of the vacuum cleaner housing 100 in the operating position lies between the bearing 340 or the further wheel 240 and the axles of the two wheels 170, but is - often significantly - arranged closer to the wheels 170.
  • a vacuum cleaner housing 100 has the projection 210. This is not only used during operation and during preparation to exert a force directed towards the floor on the vacuum cleaner housing 100, but it is - provided that it is designed accordingly - also capable of tipping over, rollover and other unwanted positions of the Reduce the vacuum cleaner housing, if not completely prevent it.
  • a vacuum cleaner housing can be widened, for example. That in the Figs. 1 to 4
  • the vacuum cleaner housing shown can thus be implemented, for example, with a width of 320 mm, but of course also with other dimensions.
  • the vacuum cleaner housing has been widened by several 5 mm, more precisely by 25 mm, compared to a previous series.
  • a vacuum cleaner housing 100 according to an exemplary embodiment can have a length along the longitudinal direction 120 that is 1.3 to 1.6 times the height of the vacuum cleaner housing perpendicular to the longitudinal direction 120 and perpendicular to the floor in the operating position.
  • an exemplary embodiment of a vacuum cleaner housing can have a width which is between 1.1 times and 1.4 times the height of the vacuum cleaner housing 100.
  • the projection 210 which is also referred to as a spoiler, has also been integrated into the lower part at the rear of the vacuum cleaner housing 100, that is to say in the area of the rear surface 140. In this way, the rollover to the rear can be reduced, if not even minimized. So is the vacuum cleaner housing 100 as shown in FIGS Figs. 1 to 4 has been described, designed in such a way with regard to the projection 210 that it tilts the vacuum cleaner housing 100 beyond a predetermined angle on the two wheels 170 prevents.
  • the vacuum cleaner housing 100 is selected and designed with regard to its weight distribution and the massive components contained therein in such a way that a plumb point of a center of gravity of the vacuum cleaner housing on the floor when the vacuum cleaner housing 100 is tilted by the aforementioned predetermined angle between a contact point of the Projection 210 with the floor 130 and the two contact points 180 of the two wheels 170 on the floor 130.
  • the in Figs. 1 to 4 The vacuum cleaner housing 100 shown, the projection 210 is just designed so that when the vacuum cleaner housing 100 rolls over the wheels 170, the vacuum cleaner housing remains in a stable tilting position or position. In this position, the device no longer rests with the further wheel 240 and the two wheels 170 on the floor 130, but rather with the two wheels 170 and the previously mentioned further contact point of the projection 210.
  • FIG. 5 shows Fig. 5 an essentially Fig. 1 corresponding side view of the vacuum cleaner housing 100 according to an embodiment, in which, however, this is brought from the operating position or operating position by tilting through the predetermined angle ⁇ into the tilting position.
  • the further wheel 240 no longer touches the ground 130, but is "in the air".
  • the vacuum cleaner housing 100 touches the floor 130 via the two contact points 180 of the two wheels 170 and one contact point 350 of the projection 210.
  • This tilting position as shown in FIG Fig. 5 is stable, since the center of gravity of the vacuum cleaner housing 100 was moved behind a plane 360 by the tilting, which includes the axes of the wheels 170.
  • the center of gravity moves into the half-space facing the rear surface 140, which is formed by the plane 360.
  • the center of gravity can also be in front of plane 360 in the FIG Fig. 5 shown tilt position remain. In such a case, the position would not be stable and the vacuum cleaner housing would sink or fall back onto the further wheel 240 if the force causing the tilting were released.
  • the above-described configuration of the projection 210 such that the plumb point of the center of gravity of the vacuum cleaner housing 100 between the contact points 180 of the wheels 170 and the contact point 350 of the Projection 210 is, can thus possibly reduce, possibly even completely avoid, a load on the vacuum cleaner housing 100 or the further wheel 240 and its mounting 340 caused by falling back.
  • the predetermined angle is typically between 5 ° and 25 °. In other exemplary embodiments, the relevant predetermined angle can also be between 8 ° and 16 °.
  • the tilt angle as shown in Fig. 5 is shown here is 12 °. As described, this was determined from the tilting moment acting on the vacuum cleaner housing 100 and the position of the center of gravity of the vacuum cleaner.
  • the design of the projection 210 can ensure that the vacuum cleaner cannot roll over the round rear contour during use. Because of this function of the projection 210, it is referred to not only as a spoiler but also as a stop means.
  • the projection 210 of the vacuum cleaner housing 100 is moreover designed in such a way that it is at least partially shaped like a ball on a side facing the floor 130. This makes it possible that when the vacuum cleaner housing 100 is tilted beyond the predetermined angle ⁇ , the vacuum cleaner housing 100 can rotate around the ball-shaped side of the projection 210 about an axis of rotation that is essentially perpendicular to the floor.
  • FIG. 6 illustrates in more detail, which is a rear view of the vacuum cleaner housing 100 similar to the representation from FIG Fig. 2 shows.
  • the vacuum cleaner housing 100 has been tilted by an angle around the transverse direction 200, i.e. beyond the rolling area of the wheels 170, so that the vacuum cleaner housing 100 now only touches the floor 130 with the contact point 350 of the ball-shaped underside of the projection 210.
  • the tilting beyond the predetermined angle ⁇ at least one of the two wheels 170-1, 170-2 loses contact with the ground 130 Fig. 6
  • the situation shown is a force essentially along the longitudinal direction 120 (not shown in FIG Fig. 6 ) has been exercised on the vacuum cleaner housing 100, so that here both wheels 170 have lost contact with the floor 130.
  • the device can now be rotated or pivoted about the axis of rotation shown as a dashed line 370. If, for example, a corresponding force is exerted via the hose and thus via the connection 250 and the vacuum cleaner housing 100 tilts beyond the predetermined angle, the vacuum cleaner housing can follow a corresponding force action by rotating around the axis of rotation 370. Tilting or tipping over of the vacuum cleaner housing 100 can also be avoided in this way.
  • a line of contact of the step surface (side 220 of the projection 210) to the floor 130 is convex, so that the vacuum cleaner housing 100 preferably rotates around this, for example, central contact point 350 to the floor when the device is lifted on a carpet.
  • the device therefore tends not to fall over when the suction hose is pulled, but instead rotates in the raised position, as shown in, for example Fig. 6 is shown, about this point of contact 350 and the axis of rotation 370 extending through it.
  • the projection 210 thus represents a fulcrum with a spherical contour, which also serves as a step surface for holding down the vacuum cleaner housing 100.
  • the projection 210 thus forms an extreme point which, in the operating or use position, faces the floor 130 and is designed as a step surface on its side 220.
  • the extreme point also enables the device to rotate around this extreme point, ie the corresponding contact point 350, for example on a carpet when the suction hose is pulled in the rearward direction, that is to say towards the rear surface 140.
  • the projection 210 is designed to be spherical or convex. This can effectively prevent the device from tipping or falling over, if necessary.
  • the projection 210 prevents or even prevents the cylinder vacuum cleaner from tipping or falling over with the associated vacuum cleaner housing 100.
  • the projection 210 is attached to the rear or rear surface 140 of the cylinder vacuum cleaner in such a way that it acts as a stop between a horizontal usage situation or operating position and a vertical storage or storage position is arranged.
  • the projection 210 forms a further extreme point on the rear side, which is designed as a support point and thus enables the cylinder vacuum cleaner with the corresponding vacuum cleaner housing to be placed more securely in the storage position.
  • the support points are arranged on two lines (diagonal axes) that intersect essentially perpendicular to one another.
  • Figure 7a a rear view of the vacuum cleaner housing 100 in the storage position, which differs from that previously shown and in connection with FIGS Figs. 1 to 4
  • the operating position described differs in that the vacuum cleaner housing 100 has been brought into an upright position essentially by 90 °.
  • Figure 7b shows a corresponding side view while Figure 7c shows a view of the rear surface 140 facing the floor 130 in the storage position.
  • the vacuum cleaner housing 100 is also designed such that the projection 210 extends so far along the longitudinal direction 120 beyond the rear surface 140 that the projection 210, the two wheels 170-1 and 170-2 and a further support point 380 on the rear surface 140 of the vacuum cleaner housing 100 lie in one plane.
  • the vacuum cleaner housing 110 rests on the floor 130 via the two contact points 180-1 and 180-2 of the two wheels 170-1 and 170-2 as well as the contact point 380 and the projection 210 or its contact point 350.
  • the two wheels 170, the support point 380 and the contact point 350 of the projection 210 thus form a total of four support points for the vacuum cleaner housing 100.
  • Figures 7a to 7c the relevant regions of the vacuum cleaner housing 100 in different perspectives. So shows Figure 7a in particular the two contact points 180-1 and 180-2 of the two wheels 170-1 and 170-2.
  • the vacuum cleaner housing 100 rests essentially centrally on the floor 180 above the contact point 350 of the projection 210 and above the support point 380 on the rear surface 140 of the vacuum cleaner housing 100 on the floor.
  • the support point 380 is formed here by the receptacle 270 for the floor cleaning head of the vacuum cleaner.
  • the receptacle 270 therefore also serves as a parking aid.
  • Figure 7a shows the distribution of the contact points 180, 350, 380 along the transverse direction 200 of the vacuum cleaner housing 100
  • Figure 7b the corresponding distribution along the vertical direction 150 - related to the vacuum cleaner housing 100.
  • the two contact points 180 of the two wheels 170 lie along the vertical direction 150 between the contact point 350 of the projection 210 and the support point 380 of the rear surface 140 or the receptacle 270.
  • FIG. 7c shows Figure 7c the vacuum cleaner case 100 from its rear surface 140. So are in Figure 7c the two contact points 180-1 and 180-2 of the two wheels 170-1 and 170-2 as well as the contact point 350 of the projection 210 and the support point 380 on the rear surface 140 or the receptacle 270 are shown with the aid of dashed lines.
  • the four support points 180-1, 180-2, 350 and 380 are each located approximately in the middle of the lateral housing flanks.
  • the vacuum cleaner housing 100 thus lies with a total of four points of support on the floor 130 (not shown in FIG Figure 7c ), which include the aforementioned parking aid in the form of the receptacle 270 and its support point 380, the wheel edges (contact points 180 of the wheels 170) and the spoiler or the projection 210 and its contact point 350.
  • a vacuum cleaner housing 100 according to an exemplary embodiment can thus make it possible for it to rest on an additional support point on the floor 130 in the storage position. While in conventional devices at the rear of the latter, this typically rests on only three points, a vacuum cleaner housing 100 according to an exemplary embodiment, due to the described configuration of the projection 210, the wheels 170 and the rear surface 140, allows a support in the storage position on more than three support points, namely the described four support points. In this way, the stability in the storage position can be considerably improved in some cases. There are thus four rear extreme points available, which are arranged at degrees intersecting one another essentially at a 90 ° angle, which is why these are also referred to as diagonal axes.
  • the projection 210 which is also referred to as a roll bar, thus prevents tipping and at the same time serves as a fourth support point.
  • the projection 210 is integrated into the design of the rear section, in particular the rear surface 140.
  • the projection 210 is formed centrally on the rear side of the housing and the underside of the housing and serves as a stop means which enables the vacuum cleaner housing 100 to be lifted up to an angular position of approximately 12 degrees.
  • the pull-out 190 for the power plug is attached to the rear surface 140 of the vacuum cleaner housing 100. In other exemplary embodiments, however, this can also be arranged at other locations, for example on a section of the vacuum cleaner housing 100 which faces the rear surface 140 but is opposite the bottom surface 110. In other words, the pull-out 190 can also be part of the cover 260.
  • Embodiments of a vacuum cleaner housing can thus be used, for example, in connection with a cylinder vacuum cleaner with a suction air supply which is arranged on the front or on the upper side of the device. When the suction hose is pulled, these tend to lift off the floor surface.
  • An embodiment of a vacuum cleaner housing 100 now enables a tilt protection to be implemented which only allow a certain lifting angle, the predetermined angle ⁇ , between a horizontal use position or operating position and a raised, inclined position or tilting position. Lateral rolling, but also falling over, can optionally be avoided by using a vacuum cleaner housing 100 according to an exemplary embodiment.
  • a vacuum cleaner housing 100 can also ensure reliable protection against accidents in an upright parking or storage position.
  • a vacuum cleaner housing 100 can also prevent the device from tipping or falling over, in particular on a carpet, when the suction hose is pulled to the side or rear.
  • the vacuum cleaner housing 100 can follow the pull on the suction hose around the axis of rotation 370 in such a case.
  • an embodiment of a vacuum cleaner housing 100 can provide a step surface in the form of the side 220 of the projection 210, which, for example, when the Feed cable prevents lifting or tilting of the cylinder vacuum cleaner or at least makes it difficult. Embodiments of a vacuum cleaner housing thus serve to improve the tilt protection.
  • the present invention thus enables, with simple constructive and inexpensive means, an easier exertion of a force directed towards the floor on the vacuum cleaner housing in the operating position. In this way, if necessary, damage to the vacuum cleaner housing caused by the user's foot standing up can be avoided. As an alternative or in addition, operation of the vacuum cleaner housing can also be made easier for older and / or disabled users. Furthermore, a visually pleasing and robust possibility for exerting a force directed towards the floor on the vacuum cleaner housing can optionally be made possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Suction Cleaners (AREA)

Claims (12)

  1. Corps d'aspirateur (100) présentant les caractéristiques suivantes:
    une surface de base (110) qui s'étend de manière essentiellement parallèle au sens longitudinal (120) du corps d'aspirateur (100) et qui regarde, en position de marche du corps d'aspirateur (100), un sol (130);
    une surface latérale arrière (140) qui s'étend, en position de marche, essentiellement à la perpendiculaire du sens longitudinal (120) du corps d'aspirateur (100) et qui, dans la position de rangement du corps d'aspirateur (100), qui diffère de la position de marche, regarde le sol (130);
    deux roues (170) disposées sur des surfaces latérales (160) en vis-à-vis, lesquelles présentent, en position de marche et en position de rangement, à chaque fois un point de contact (180) avec le sol (130); et
    une protubérance (210) qui s'étend dans le sens longitudinal (120) au-delà de la surface latérale arrière (140),
    caractérisé en ce que la protubérance (210) comprend sur un côté (220) tournant le dos au sol (130) en position de marche, une surface concave configurée de façon que le côté (220) peut former une surface formant pédale, concave et recourbée, prévue pour un pied, par le biais de laquelle un utilisateur peut exercer, en position de marche, avec son pied, une force sur le corps de l'aspirateur (100) orientée vers le sol (130), la protubérance (210) empêchant un basculement du corps d'aspirateur (100) au-delà d'un angle prédéterminé au-dessus des deux roues (170) et le corps d'aspirateur restant dans une position basculée stable.
  2. Corps d'aspirateur (100) selon la revendication 1, dans lequel la protubérance (210) est disposée sur le sol (130) dans un sens allant en position de marche, à la perpendiculaire du sol (130) entre l'axe des deux roues (170) et les points de contact (180) des deux roues (170).
  3. Corps d'aspirateur (100) selon l'une des revendications précédentes, dans lequel la protubérance (210) est raccordée à la surface de base (110) et/ou est située dans une zone de la surface de base (110) sur la surface latérale arrière (140).
  4. Corps d'aspirateur (100) selon la revendication 3, dans lequel l'angle prédéterminé est sélectionné de manière qu'un point de perpendicularité d'un point de gravité du corps d'aspirateur (100) sur le sol (130) en cas de basculement du corps d'aspirateur (100) de l'angle prédéterminé entre un point de contact (350) de la protubérance (210) avec le sol (130) et, à chaque fois, les points de contact (180) des deux roues (170), est situé sur le sol (130).
  5. Corps d'aspirateur (100) selon l'une des revendications 1 à 4, dans lequel l'angle prédéterminé se situe entre 5° et 25°.
  6. Corps d'aspirateur (100) selon l'une des revendications 4 ou 5, dans lequel la protubérance (210) est réalisée en forme de boule au moins transversalement sur un côté regardant le sol (130), de sorte qu'en cas de basculement du corps d'aspirateur (100) au-delà de l'angle prédéterminé, le corps d'aspirateur (100) puisse tourner autour du côté de la protubérance (210) réalisé en forme de boule, autour d'un axe de rotation (370) situé essentiellement à la perpendiculaire du sol (130).
  7. Corps d'aspirateur (100) selon l'une des revendications précédentes qui comprend en outre un raccord (250) pour un tuyau situé sur une section du corps d'aspirateur (100) tournant le dos à la protubérance (210).
  8. Corps d'aspirateur (100) selon l'une des revendications précédentes, dans lequel la protubérance (210) est située entre les deux roues (170), par exemple au centre.
  9. Corps d'aspirateur (100) selon l'une des revendications précédentes comprenant en outre une rallonge (190) pour une prise au réseau, située sur la surface latérale arrière (140) ou sur une section du corps d'aspirateur (100), regardant la surface latérale arrière (140) et vis-à-vis de la surface de base (110).
  10. Corps d'aspirateur (100) selon l'une des revendications précédentes, dans lequel les deux roues (170) présentent un diamètre qui correspond à au moins 50% de la hauteur du corps d'aspirateur dans la zone des deux roues (170).
  11. Corps d'aspirateur (100) selon l'une des revendications précédentes, dans lequel, à chaque fois l'axe d'une des deux roues (170) de la surface latérale arrière (140) présente un écartement qui vaut tout au plus 60% du diamètre de la roue (170) relative.
  12. Corps d'aspirateur (100) selon l'une des revendications précédentes, dans lequel la protubérance (210) s'étend dans le sens longitudinal (120) au-delà de la surface latérale arrière (140), tant que la protubérance (210), les deux roues (170) et un autre point d'appui (380) sur la surface latérale arrière (140) du corps d'aspirateur (100), se situent sur un plan.
EP12184022.7A 2011-09-26 2012-09-12 Boîtier d'aspirateur Active EP2572619B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011083428A DE102011083428A1 (de) 2011-09-26 2011-09-26 Staubsaugergehäuse

Publications (3)

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EP2572619A2 EP2572619A2 (fr) 2013-03-27
EP2572619A3 EP2572619A3 (fr) 2017-07-26
EP2572619B1 true EP2572619B1 (fr) 2021-03-24

Family

ID=46826361

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12184022.7A Active EP2572619B1 (fr) 2011-09-26 2012-09-12 Boîtier d'aspirateur

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EP (1) EP2572619B1 (fr)
DE (1) DE102011083428A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9357891B1 (en) * 2015-08-04 2016-06-07 Richard C. Chappel Cleaning apparatus holder

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE880919C (de) 1951-10-17 1953-06-25 Karl-Georg Lenz Schluesselhalter
US3668842A (en) * 1970-03-20 1972-06-13 Singer Co Vacuum cleaner and exhaust housing
DE3636126C1 (en) * 1986-10-23 1988-03-24 Thomas Haslacher Vacuum cleaner
DE8809194U1 (fr) 1988-07-18 1989-11-16 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
JPH0856873A (ja) 1994-08-17 1996-03-05 Mitsubishi Electric Home Appliance Co Ltd 電気掃除機
DE29825194U1 (de) 1998-02-11 2005-12-15 BSH Bosch und Siemens Hausgeräte GmbH Staubsauger
JP2004105587A (ja) * 2002-09-20 2004-04-08 Matsushita Electric Ind Co Ltd 電気掃除機
GB0228153D0 (en) * 2002-12-03 2003-01-08 Techtronic Ind Co Ltd Suction cleaners
GB0228148D0 (en) * 2002-12-03 2003-01-08 Techtronic Ind Co Ltd Dust separator and collector arrangement for suction cleaner
GB2402046B (en) 2003-05-27 2006-09-13 Dyson Ltd A cleaning appliance
KR100697429B1 (ko) * 2004-12-27 2007-03-20 엘지전자 주식회사 진공 청소기

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Title
None *

Also Published As

Publication number Publication date
EP2572619A2 (fr) 2013-03-27
DE102011083428A1 (de) 2013-03-28
EP2572619A3 (fr) 2017-07-26

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