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EP0872205B1 - Embout pour dispositif d'aspiration destiné, par exemple, au nettoyage de surfaces par voie humaine - Google Patents

Embout pour dispositif d'aspiration destiné, par exemple, au nettoyage de surfaces par voie humaine Download PDF

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Publication number
EP0872205B1
EP0872205B1 EP98106799A EP98106799A EP0872205B1 EP 0872205 B1 EP0872205 B1 EP 0872205B1 EP 98106799 A EP98106799 A EP 98106799A EP 98106799 A EP98106799 A EP 98106799A EP 0872205 B1 EP0872205 B1 EP 0872205B1
Authority
EP
European Patent Office
Prior art keywords
device attachment
suction device
attachment according
suction
valve
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.)
Expired - Lifetime
Application number
EP98106799A
Other languages
German (de)
English (en)
Other versions
EP0872205A2 (fr
EP0872205A3 (fr
Inventor
Heinrich Iglseder
Ludger Graute
Christian Schröder
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.)
Vorwerk and Co Interholding GmbH
Original Assignee
Vorwerk and Co Interholding 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
Priority claimed from DE19720303A external-priority patent/DE19720303A1/de
Application filed by Vorwerk and Co Interholding GmbH filed Critical Vorwerk and Co Interholding GmbH
Publication of EP0872205A2 publication Critical patent/EP0872205A2/fr
Publication of EP0872205A3 publication Critical patent/EP0872205A3/fr
Application granted granted Critical
Publication of EP0872205B1 publication Critical patent/EP0872205B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4016—Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • 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
    • A47L1/00—Cleaning windows
    • A47L1/06—Hand implements
    • A47L1/08—Hand implements with provision for supplying liquids, e.g. cleaning agents
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/38—Machines, specially adapted for cleaning walls, ceilings, roofs, or the like
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4016—Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • A47L11/4019—Fill level sensors; Security means to prevent overflow, e.g. float valves
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4044—Vacuuming or pick-up tools; Squeegees
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4094—Accessories to be used in combination with conventional vacuum-cleaning devices

Definitions

  • the invention relates to a suction attachment according to the features of The preamble of claim 1.
  • a suction device attachment is known for example from DE-A1 19 61 137 1, About which attachment surfaces, e.g. window panes are cleaned with a damp cloth can. For this purpose, a cleaning liquid is applied to the Surface applied and this with the dirt particles picked up aspirated. The absorbed waste water is in one, in the suction channel arranged tank collected.
  • DE-A1 196 54 335 is one Known safety device in the form of a movable closure body, which downstream of the tank the suction air flow when a predefined residual moisture within the suction air flow.
  • This patent application is made of a movable closure body existing valve described, which immediately by in a Air flow entrained liquid parts can be moved into the closed position is, the movable closure body of the fluid to be measured is flowed to.
  • WO94 / 08502 is known in the prior art. With this one known suction device attachment takes such a strong flow deflection that Liquid parts entrained in the flow no longer follow the flow can be collected in a collection room. Forms there a water supply. As the level of the water supply rises, this reaches the floats of a loading element and the entrained ones Liquid parts ultimately actuate the closure body immediately, by moving it into a closed position.
  • This object is achieved with the subject matter of claim 1, being on it is turned off that the loading element by a liquid collecting body is acted upon and the liquid collecting body is swellable absorbent.
  • the closure body is not just immediate by exposure to moisture, but also indirectly by means of a movable part caused by liquid parts that are also involved in the air flow Actuation element controllable ,
  • This loading element can, for example. the locking body in its basic position, i.e. in the valve open position, supporting element in the form of a pin or the like. As soon as the loading element through the entrained liquid parts is moved, this leads to a disengagement of the closure body from the Equilibrium position, after which the valve lock position abruptly is taken. The loading element acts accordingly mechanically on the closure body.
  • the loading element is through applied to a liquid collection body.
  • This liquid collecting body takes them out in a known manner liquid separated from the air flow. When reached or exceeding a maximum fill level this actuates the loading element for relocation of the closure body in the valve closure position.
  • the fill level of one of the Liquid collecting body receiving liquid container controlled.
  • measuring methods are used, which optically via light barriers, via vibration behavior of transverse oscillators, thermal conductivity or capacitive the level by changing the dielectric check.
  • auxiliary energies e.g. for one Evaluation electronics are required.
  • the control is independent of the position, this with clearly given Switching points of the valve. Is the maximum level not reached, the closure body remains in its basic position i.e. in the valve open position. If the maximum fill level is reached, the Closure body from the loading element moved to its equilibrium, to sudden Displacement of the closure body in the valve closure position.
  • This configuration is also insensitive to contamination, this regardless of flow velocity and temperature.
  • the liquid collection body a is swellable absorbent.
  • a liquid-absorbing Sponge used, which one is compressed in the original, dry state and relaxes in the course of fluid intake and increased.
  • the loading element is at a distance arranged to this liquid collecting body and is through the decompressing absorbent body when reached a maximum level disengaged.
  • the absorbent body interspersed with an absorber material is.
  • the latter can be used, for example, as a so-called superabsorbent, such as granules or fibers consist of a salt, zeolite or polyacrylate.
  • the absorber material is characterized in that it in the dry state a granular or fibrous Bulk goods. When in contact with an aqueous solution the individual bulk grains swell to a multiple of their initial volume and take the Liquid, for storing the same.
  • the liquid collecting body radially outside with respect to the Suction channel is arranged.
  • the liquid collection body is penetrated by the suction channel.
  • the absorbed liquid is in the liquid collecting body saved.
  • the airflow will through the centrally extending through the collecting body Suction channel led.
  • the absorbent in the course of absorption of liquid an essentially axially directed expansion takes place.
  • it can also be provided that that the absorbent in the course of absorption of liquid an essentially radially directed expansion takes place.
  • configurations are also conceivable in which the absorbent body is both axially and extends radially.
  • the absorbent body is essentially perpendicular to it Expansion, individual layers.
  • An embodiment is preferred here which the layers wrinkled, meandering with each other are connected.
  • This can be achieved, for example be that the fleece in the axial direction to accordion-shaped Coils is unfolded.
  • the fleece can be cut and, if necessary, to increase the thickness increase, be pre-folded in several layers.
  • the folded fleece in an annular piston-shaped press inserted and axially pressed.
  • the actuating element is actuated.
  • a recording room circular for the liquid collection body is trained. This circularly formed recording space is preferably enforced centrally by the Suction channel. It is also provided that the liquid collecting body the recording space in the circumferential direction only partially filled. An embodiment is preferred here, in which the liquid collection body has a circular segment-shaped plan.
  • the liquid collecting body can in the form of an absorbent body in addition to its axially directed expansion also over a expand a small amount even further in a ring, until the formation of an almost closed circular Floor plan, to completely fill out the Receiving space.
  • the circular section-like plan can be designed horseshoe-shaped, for example.
  • the A connecting opening on the upstream side the suction channel Through this connection opening parts of liquid separated from the suction air flow in the receiving space and thus to the liquid collecting body get to storage.
  • the connection opening is slit-like.
  • an annular slot may be provided. It is also conceivable here to form the connection opening in the form of a pressure grid.
  • the Suction channel forms a flow section, which from the receiving space for the liquid collecting body is surrounded.
  • the suction channel is therefore divided into one formed in the flow direction in front of the receiving space Suction channel for the transport of gaseous and liquid Phase and a flow section for transport only the gaseous phase, the liquid Phase through the mentioned connection opening in the Storage space for storage in the liquid collection body arrives.
  • the Connection opening assigned to an inner surface of the Suction channel wall is formed. It turns out as advantageous that in the flow direction before the flow section a flow influence for phase separation is trained. By means of this flow influence the liquid phase becomes gaseous Phase separated, preferably by a radial deflection the liquid phase towards the outside Connection opening to the recording room.
  • the throughflow section has a funnel section on the inlet side.
  • This funnel section forms for influencing the flow for example, a ring cutter.
  • the transport routes are essentially axial, in the inner surface of the outer wall of the receiving space molded for the liquid collection body Grooves are formed. These grooves promote moisture to the entire surface of the liquid collecting body.
  • the loading element is in what Liquid entry area in the opposite receiving space End area arranged.
  • a valve control is specified which is shifted by a passive element of the closure body without the use of external energy distinguished, this with a position-independent functional reliability.
  • parallel to Acting element arranged support element can affect the responsiveness of the valve assembly be continuously adjustable. The whole The arrangement proves to be insensitive to flow because only one moving part is required, with a good one temporal response.
  • the chosen arrangement is characterized by a high level of functional reliability and insensitivity to pollution and works independent of flow speed and temperature.
  • the loading element also as a switch, for example in the form a microswitch to be designed for electronic Interruption of the suction air flow by switching off of the blower motor. It is also proposed that the loading element lever-like and in the end area the receiving space is rotatably supported, with a receiving space leg and a valve leg, the receiving space leg from the absorbent body is acted upon. Stretches in the course of a liquid intake the absorbent body, so the thereby disengaged receiving space leg of the valve leg of the loading element via a rotary displacement so moved to the closure body that the latter shifted to the valve closure position becomes. Recording space legs and valve legs are preferably formed in one piece.
  • two valve legs are formed, wherein a first comes into effect when the absorbent is inserted and a second with the absorbent removed.
  • the closure body is triggered when no absorbent body is inserted or an inserted absorbent body has reached the maximum fill level.
  • the closure body over one or the other valve leg from its valve opening position to the valve closing position relocated to interrupt the Suction air.
  • the two valve legs together about a right Include angles.
  • the second valve leg in an approximately straight extension the receiving space leg is formed.
  • the two Valve leg and the receiving space leg are thus aligned in a roughly T-shape to each other, preferably in the transition area of the legs the pivot point of the loading element is formed is.
  • the one operative position of the second valve arm by spring preload of the loading element in a basic position is reached.
  • This basic position is preferably the Position in which no absorbent body is inserted. Due to the spring preload, the loading element due to the lack of support of the receiving space leg on the suction body, rotatably displaced, whereby the aligned in extension to the recording room leg second valve leg in the closure body the locking position shifted.
  • the receiving space leg in the active position of the second valve leg includes a second acute angle of attack, the opposite of the first acute angle is aligned.
  • the second valve leg on a separate, lever-like loading element is formed, both loading elements by a compression spring acting between you are connected.
  • This is an alternative to single-lever training created two-lever training, the valve legs by separate loading elements are isolated.
  • both loading elements both a valve leg and one Have receiving space legs with further preference will be that the second Valve leg in a straight extension to it Recording space leg is formed and the first Valve leg of the other loading element too whose recording space leg includes a right angle.
  • the second loading element is rotatable in the end region of the recording room is stored. Is preferred here an arrangement in which the axes of rotation of the two loading elements essentially in one Level are arranged. Finally, it is provided that the compression spring between the respective receiving space legs the loading elements works.
  • the invention further relates to a liquid collecting body for a suction device attachment, e.g. for Wet cleaning of surfaces, especially for one Suction device attachment of the type in question.
  • a liquid collecting body for a suction device attachment, e.g. for Wet cleaning of surfaces, especially for one Suction device attachment of the type in question.
  • One such Liquid collection body is said to be preferred Embodiment can be formed as an exchange part. Around It is to offer a favorable exchange cycle here expedient that the liquid collecting body has a high Has liquid absorption capacity.
  • the liquid collecting body is a swellable absorbent.
  • an embodiment is chosen in which the Absorbent body consists of a fleece cloth. Is further provided that the absorbent with an absorber material is enforced.
  • the latter can be in the form of salts, Zeolites or polyacrylate can be formed for formation a superabsorbent in the form of granules or fibers. It is further preferred that the absorbent in the train an absorption of liquid essentially one axially directed expansion. Alternatively, you can radial expansion may also be provided. Further a combination of axial and radial is also conceivable Expansion. It is proposed that the Absorbent body essentially perpendicular to it Expansion direction extending individual layers. It is preferred here that the layers are wrinkled are interconnected. The liquid collecting body thus formed points in a preferred embodiment a circular section-shaped plan on. If fibers are used as the absorber material, see above these are preferred in the longitudinal direction of the absorbent body arranged.
  • the fibers can also cross in the circumferential direction or even spiral.
  • a separator cartridge given which is able to Extend moisture absorption axially and / or radially.
  • This separator cartridge is preferably made of a fleece cloth made with an absorber material is enforced. The latter is characterized by it from that it is a granular in the dry state Bulk goods. When in contact with an aqueous Solution swell the individual bulk grains on Multiples of your initial volume and take it up the liquid to store it.
  • the separator is preferably cylindrical or horseshoe-shaped cross section.
  • the fleece In the axial direction the fleece is folded into accordion-shaped helices, why cut the fleece and, if necessary, to the To increase thickness, is pre-folded in several layers.
  • the folded fleece In connection the folded fleece is preferably in a annular piston-shaped press and axially pressed.
  • the Combination of swellable absorber material in combination with a fleece cloth proves to be advantageous.
  • the absorption of liquid is due to the configuration of the liquid collecting body according to the invention, any position. This with a high storage capacity. Becomes a fiber material instead of a granulate can be used by a preferred orientation the fibers have a similar effect.
  • a suction device attachment 1 is shown and described with a liquid application device 2.
  • the latter has a tank, not shown, for a Cleaning liquid.
  • This measure can to a pressure supply line for the cleaning liquid be dispensed with by a suction device. This creates one of the basic requirements the suction device attachment 1 in connection with usual Use household vacuum cleaners.
  • the cleaning liquid is preferably applied via a row of bristles protruding into the tank.
  • a suction mouth 4 Viewed in the working direction a suction mouth 4 is arranged after this application area. The latter merges into a suction channel 5.
  • phase separation device T which is preferably in the form of a stator is.
  • phase separation device T which is preferably in the form of a stator is.
  • the unpublished Patent application with the file number 19 652 011 referenced.
  • the content of this patent application is hereby incorporated fully in the disclosure of the present invention included, also for the purpose, characteristics of this Patent application in claims of the present invention to include.
  • This calls over flow diversions Centrifugal forces emerge, creating the liquid-air mixture into a liquid and a gaseous phase is separated. The resulting vortex formation the flow is in Figs. 2 and 5 through the Arrows a are shown.
  • a separator 7 is in the area of phase separation T downstream in the direction of flow, which separator 7 in the form of a funnel section 8 of a throughflow section 9 is formed.
  • the latter is part of the Suction channel 5 for carrying out the gaseous phase and has a diameter of about a third corresponds to the original suction channel diameter.
  • the throughflow section 9 passes through one centrally receiving space 10.
  • the latter is in the axial direction to one end through the the separator 7 forming funnel section 8 and elsewhere by a closed transverse wall 11 of the Suction device attachment 1.
  • the receiving space 10 On the inflow side, the receiving space 10 has a slot-like shape Connection opening 12 to the suction channel 5.
  • This Connection opening 12 is formed in the radially outer Area of the funnel section 8, which in this Area with reduced cross-section in relation to the inner wall 15 of the suction channel is trained.
  • This connection opening 12 can alternatively and in the form of a wire or Be plastic grid.
  • the receiving space takes a liquid collecting body F on.
  • the latter consists of one with an absorber material, such as, for example, zeolites, salt or polyacrylate, swellable absorbent body 13, the absorbent body 13 preferably consists of a fleece cloth.
  • the liquid collection body F has an annular section Floor plan corresponding to the cross section of the Recording space 10, the liquid collecting body F the receiving space 10 only partially in the circumferential direction fills (see Fig. 3).
  • a horseshoe-like cross-sectional shape whereby here also in cross section a closed hollow cylinder profile can be chosen.
  • liquid collection body F or the absorbent body 13 in substantially perpendicular to the longitudinal extent, layers connected to one another in the manner of folds absorber material located in the absorbent body 13 is characterized by the fact that it is dry is granular bulk material or alternatively made of fibers consists.
  • the separator thus formed has a horseshoe-shaped or hollow cylindrical shape Cross-section.
  • the fleece is closed in the axial direction accordion-shaped spirals unfolded.
  • the liquid collecting body points F a measured in the axial direction Length l, which is about half the longitudinal extent of the receiving space 10 corresponds.
  • the receiving space 10 is in the flow direction Valve V downstream, the valve chamber 16 spatially to the receiving space 10 through the already mentioned transverse wall 11 is separated.
  • the valve chamber 16 is in the Connection to the flow section 9, being in the transition area from flow section 9 to the valve chamber 16 a valve inlet opening 17 is formed.
  • the valve arrangement is based on the aforementioned unpublished patent application with the file number 196 54 335.5.
  • the valve V has a closure body 18 in the form a ball on.
  • the latter is in the opposite Flow section 9 enlarged valve chamber 16 arranged movably in the axial direction. Further are aligned in the valve chamber 16 in the axial direction, arranged on the inside and protruding inwards Ribs 19 provided to form a cage 20.
  • Ribs 19 are in accordance with the cross-sectional representation 4 four radially arranged Ribs 19 are provided, one, approximately the cross section of the rotationally symmetrical closure body 18 leave adapted free space 21.
  • valve inlet opening 17 is coaxial in the opposite End region of the valve chamber 16 has a valve outlet opening 22 with a frustoconical valve seat arranged.
  • the valve outlet opening closes in the axial direction 22 a further suction channel section 23, which directly, possibly with the interposition of a Suction hose 24 or the like is connected with the motor-blower unit of the vacuum cleaner 6.
  • the diameter of the spherical closure body 18 is chosen so that it is larger than the diameter the valve inlet opening 17 and the valve outlet opening 22nd
  • this Stop mandrel 25 In the area of the valve inlet opening 17 is in the Valve chamber 16 protruding parallel to the overall axis running and offset to this Stop mandrel 25 is provided.
  • the latter is in one end the the valve chamber 16 and the receiving space 10 for the Liquid collecting body F separating transverse wall 11 is supported.
  • this rigid stop mandrel 25 diametrically opposite another axially displaceable stop in Form assigned a loading element 26.
  • the latter penetrates the transverse wall 11, so that a Section extends into the receiving space 10. The this section away from the end portion of the loading element 26 protrudes according to the stop 25, in the valve chamber 16.
  • the loading element 26 has for fixing one of the basic positions corresponding to FIG. 2, based on the longitudinal extent arranged approximately in the middle Ring collar 27, which is shaped accordingly Pocket 28 of the transverse wall 11 is added. In this basic position, the loading element protrudes 26 with its valve-side end section accordingly the extension of the stop mandrel 25 into the valve chamber 16 in.
  • the spherical closure body 18 relies on that caused by the loading element 26 and the stop pin 29 formed stop points 29th from.
  • the rotationally symmetrical closure body 18 is in the Operation of that through the suction channel 5 and after phase separation by the flow section 9 flowed suction air flow (arrow b).
  • the cross section of the valve chamber 16 By the special design of the cross section of the valve chamber 16 is the flow around the closure body 18th designed so that the attacking axial forces this Closure body 18 in a state of equilibrium hold.
  • the webs 19 also hold the closure body 18 on the central axis of the flow cross section. This state of equilibrium is in both areas regardless of the flow rate.
  • valve V functions independently of the position
  • the closure body 18 by a supported helical compression spring 30.
  • the latter sits on the end wall surrounding the valve outlet opening 22 the valve chamber 16 and carries the closure body at the end 18.
  • the strength of the compression spring 30 is here chosen so that this is just sufficient to the Closure body 18 approximately in the basic position according to FIG. 2 hold.
  • FIG. 5 is a closed position of the valve V shown.
  • a mass flow overlaps with increased Density (arrow c) the normal inflow (arrow b).
  • This additional impulse pushes the closure body 18 from its equilibrium position shown in FIG. 2 towards the valve outlet opening 22.
  • the closure body 18 reaches a non-equilibrium position and then moves suddenly into the valve closed position.
  • the closure body closes in this 18 the valve outlet opening 22, which is an interruption of the suction air flow.
  • the formed grooves 32 promote moisture the entire lateral surface of the separating element trained liquid collection body F. Because this Liquid collecting body F is interspersed with a granular absorber material, which is reliable the liquid binds, one would only face Exposure to moisture causes swelling of the absorber material in the area of the end face do what one Liquid barrier would come close. The intended axial grooves 32 counteract this effect. In a further embodiment can be provided that the forehead and Inner surface of the liquid collecting body F wetted becomes. For this purpose, the suction body 13 from the flow section 9 separating wall, for example by a Lattice structure can be replaced or even eliminated.
  • the configuration according to the invention is a digital one Switching behavior of valve V is given.
  • the liquid collection body shown in FIG. 7 in a single illustration F is designed as an exchange part. After reaching the maximum absorption capacity, which for the user in addition to an optical and / or acoustic signal by closing valve V is displayed, the liquid collection body is F against a new, compressed liquid collection body F to replace. This is the loading element 26 no longer supported, with which the closure body 18 automatically due to the spring preload the compression spring 30 back into the valve open position can shift back.
  • the liquid collecting body F-forming absorbent body 13 is here through a fleece with partially controllable, different Swelling behavior formed. This swelling behavior can be due to a different starting thickness, such as by means of pressing, pagination or through a water-soluble adhesive pressure can be achieved.
  • a partially targeted orientation of the Source material conceivable, for example by means of fibers, superabsorbent or by weaving and knitting technology. Is too a partially increased concentration of the source material conceivable.
  • the absorbent body 13 is here end, i.e. the valve V facing in the not swollen basic state with a, compared to that formed in the interior of the absorbent body 13 Flow section 9 radially enlarged Active section 33 provided. This is a radial step 34 formed, the suction body end side in a Sloping edge 35 runs out.
  • each loading element 36 settles together from one acting on the closure body 18 Valve leg 37 or 38 and a receiving space leg 39th
  • the training is further chosen so that an application element 26 has a first valve leg 37, which to one, this loading element 26 associated receiving space leg 39 a right Includes angle.
  • the second valve leg 38 of the other loading element 26 is approximately straighter Extension to the receiving space leg 39 formed.
  • the two receiving space legs 39 of the loading elements 26 are based on that shown in FIG Operating position at level 34 of the absorbent section 33 from.
  • the by the compression spring 30 in the Valve body 18 held valve position supports from the valve legs 37 and 38.
  • the free end of the second valve leg 38 is opposite the free end of the first valve leg 37 tapers trained to form a displacement nose 40th
  • the two loading elements 26 are supported their recording space legs 39 spring-supported on the Stage 34 of the absorbent body 13, for which purpose between the two Receiving legs 39 a compression spring 41 is arranged is.
  • the closure body 18 in operation in a As in the previously described embodiment the closure body 18 in operation in a, as in Fig. 8 shown equilibrium position held. While of the operation is guided into the receiving space 10 liquid phase taken up by the liquid collecting body F, as a result of this recording, the absorbent body 13 expands. This expansion takes place in this Embodiment essentially in the radial direction. As a result, the active section 33 also swells of the absorbent body 13 on what is at least a rotational displacement of having the first valve leg 37 Acting element 26 has the result (see Fig. 9). Due to this rotational displacement, the first valve leg 37 from the closure body 18 (see dash-dotted representation in Fig. 9), with what the latter carried away by the current and suddenly is shifted into the valve closure position. The Suction air flow is therefore interrupted here.
  • Fig. 10 shows a situation when not in use Absorbent body 13.
  • the receiving space legs 39 of the two loading elements 26 caused by the compression spring 41 arranged between them, since these receiving space legs 39 the support is missing.
  • the second valve leg 38 spring-supported, its nose 40 the closure body 18 disengages.
  • the suction device attachment now put into operation, so does the onset Suction air flow an automatic, sudden Displacement of the closure body 18 in the valve closure position.
  • the suction air flow is interrupted. This ensures that the vacuum attachment not without an inserted, compressed liquid collection body F or suction body 13 put into operation can be.
  • the two receiving space legs 39 have in the area their free ends bevels 43, which at one Insert a new absorbent 13 with its Sloping edge 35 cooperate so that the absorbent 13 in the simplest way between the recording space legs 39 and the inner wall of the receiving space 10 introduced can be, while shifting the Acting elements 26 in the operating position according to Fig. 8.
  • 11 to 13 show an alternative embodiment the previously described embodiment.
  • a single lever solution with a loading element 26 a receiving space leg 39 and two valve legs 38 and 39.
  • the second one Valve leg 38 also in a straight extension to the receiving space leg 39.
  • the first Valve arm 38 closes to the second valve arm 37 a right angle.
  • This loading element 26 is also in the area between liquid collecting body F and valve chamber 16 rotatably supported via an axis 36.
  • a torsion spring 42 is arranged, the legs of which are on the one hand on the receiving space leg 39 and on the other Support on the housing side. The direction of action of the torsion spring 42 is chosen so that the receiving space leg 39 against the step 34 of the absorbent section 33 is charged.
  • the receiving space leg closes 39 in the respective active position (Fig. 12 13) an acute setting angle alpha or Beta with the inner wall of the receiving space 10.

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  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Claims (32)

  1. Embout pour dispositif d'aspiration (1), par exemple pour le nettoyage de surfaces par voie humide, avec un canal d'aspiration (5), dans lequel canal d'aspiration (5) est déposé un clapet (V) susceptible d'être déclenché par une sollicitation de l'humidité, le clapet (V) comportant un corps de fermeture (18) mobile, et le corps de fermeture (18) étant susceptible d'être commandé, pour se déplacer dans une position de fermeture, par les parties de liquide entraínées dans un écoulement d'air, indirectement, au moyen d'un élément de sollicitation (26) déplacé de ce fait, caractérisé en ce que l'élément de sollicitation (26) est sollicité par un corps collecteur de liquide (F), et en ce que le corps collecteur de liquide (F) est un corps d'aspiration (13) susceptible de gonfler.
  2. Embout pour appareil d'aspiration selon la revendication 1 caractérisé, en ce que le corps d'aspiration (13) est formé d'une toile non tissée.
  3. Embout pour appareil d'aspiration selon l'une des revendications précédentes, caractérisé en ce que le corps d'aspiration (13) est traversé par un matériau absorbant.
  4. Embout pour appareil d'aspiration selon l'une des revendications précédentes, caractérisé en ce que le corps collecteur de liquide (F) est disposé radialement extérieurement par rapport au canal d'aspiration (5).
  5. Embout pour appareil d'aspiration selon l'une des revendications précédentes, caractérisé en ce que le corps d'aspiration (13), au cours d'une réception de liquide, effectue une dilatation orientée de façon sensiblement axiale.
  6. Embout pour appareil d'aspiration selon l'une des revendications 1 à 4, caractérisé en ce que le corps d'aspiration (13), au cours d'une réception de liquide, effectue une dilatation orientée de façon sensiblement radiale.
  7. Embout pour appareil d'aspiration selon l'une des revendications précédentes, caractérisé en ce que le corps d'aspiration (13) est formé de couches (14) individuelles, s'étendant de façon sensiblement perpendiculaire à sa direction de dilatation.
  8. Embout pour appareil d'aspiration selon la revendication 7, caractérisé en ce que les couches (14) sont reliées ensemble à la façon de plis.
  9. Embout pour appareil d'aspiration selon l'une des revendications précédentes caractérisé en ce que le corps collecteur de liquide (F), au cours de sa dilatation, actionne l'élément de sollicitation (26).
  10. Embout pour appareil d'aspiration selon l'une des revendications précédentes, caractérisé en ce qu'un espace de réception (10) est réalisé, en forme d'anneau de cercle, pour le corps de collecte de liquide (F).
  11. Embout pour appareil d'aspiration selon l'une des revendications précédentes, caractérisé en ce que le corps de collecte de liquide (F) ne remplit que partiellement en direction périphérique un espace de réception (10).
  12. Embout pour appareil d'aspiration selon la revendication 11, caractérisé en ce que le corps collecteur de liquide (F) présente un profil en forme de tronçon d'anneau de cercle.
  13. Embout pour appareil d'aspiration selon l'une des revendications 10 à 12, caractérisé en ce que l'espace de réception (10) présente, du côté d'arrivée de l'écoulement, une ouverture de liaison (12) vers le canal d'aspiration (5).
  14. Embout pour appareil d'aspiration selon la revendication 13, caractérisé en ce que l'ouverture de liaison (12) est conformée en fente.
  15. Embout pour appareil d'aspiration selon l'une des revendications 10 à 14, caractérisé en ce que le canal d'aspiration (5) constitue un tronçon d'écoulement traversant (9), entouré par l'espace de réception (10) pour le corps collecteur de liquide (F).
  16. Embout pour appareil d'aspiration selon l'une des revendications 13 à 15, caractérisé en ce que l'ouverture de liaison (12) est conformée de façon associée à une surface intérieure (13) de la paroi du canal d'aspiration (17).
  17. Embout pour appareil d'aspiration selon l'une des revendications 15 ou 16, caractérisé en ce qu'une influence sur l'écoulement est réalisée, dans un but de séparation de phases, en amont du tronçon d'écoulement traversant (9), en observant dans la direction de l'écoulement.
  18. Embout pour appareil d'aspiration selon l'une des revendications 15 à 17, caractérisé en ce que le tronçon d'écoulement traversant (9) présente, du côté entrée, un tronçon en entonnoir (8).
  19. Embout pour appareil d'aspiration selon l'une des revendications 15 à 18, caractérisé en ce que, dans l'espace de réception (10), prévu pour le corps collecteur de liquide (F), sont réalisées des voies de transport pour le liquide, qui s'étendent dans la direction longitudinale de l'espace de réception (10).
  20. Embout pour appareil d'aspiration selon la revendication 19, caractérisé en ce que les voies de transport sont réalisées sensiblement sous forme de rainures (32) s'étendant axialement, ménagées sur la surface intérieure de la paroi extérieure (31) de l'espace de réception (10) pour le corps collecteur de liquide (F).
  21. Embout pour appareil d'aspiration selon l'une des revendications précédentes, caractérisé en ce que l'élément de sollicitation (26) est disposé du côté extrémité, dans la direction d'écoulement, dans l'espace de réception (10).
  22. Embout pour appareil d'aspiration selon l'une des revendications précédentes, caractérisé en ce que l'élément d'actionnement (26) est réalisé à la façon d'un levier et est monté à rotation dans la zone d'extrémité de l'espace de réception (10), avec une branche d'espace de réception (39) et une branche de clapet (37, 38), sachant que la branche de réception (39) peut être sollicitée par le corps d'aspiration (13).
  23. Embout pour appareil d'aspiration selon la revendication 22, caractérisé en ce que deux branches de clapet (37, 38) sont réalisées, de sorte qu'une première branche de clapet (37) entre en action lorsque le corps d'aspiration (13) est en place, et que c'est une deuxième branche de clapet (38) qui entre en action, lorsque le corps d'aspiration (13) est enlevé.
  24. Embout pour appareil d'aspiration selon la revendication 23, caractérisé en ce que les deux branches de clapet (37, 38) font entre elles sensiblement un angle droit.
  25. Embout pour appareil d'aspiration selon la revendication 23 ou 24, caractérisé en ce que la deuxième branche de clapet (38) est réalisée à peu près en prolongement rectiligne de la branche d'espace de réception (39).
  26. Embout pour appareil d'aspiration selon l'une des revendications 23 à 25, caractérisé en ce qu'une position active de la deuxième branche de clapet (38) est obtenue par précontrainte élastique de l'élément de sollicitation (26) dans une position de base.
  27. Embout pour appareil d'aspiration selon l'une des revendications 22 à 26, caractérisé en ce que la branche de réception (39) présente un chanfrein (43), pour assurer le guidage du corps d'aspiration (13) entre la branche d'espace de réception (39) et une paroi intérieure de l'espace de réception (10) lors d'une insertion du corps d'aspiration (13).
  28. Embout pour appareil d'aspiration selon l'une des revendications 22 à 27, caractérisé en ce que la branche d'espace de réception (39), lorsque la première branche de clapet (37) est en position active, fait, avec une paroi intérieure de l'espace de réception (10), un premier angle aigu de réglage (alpha).
  29. Embout pour appareil d'aspiration selon l'une des revendications 23 à 28, caractérisé en ce que la branche (39) d'espace de réception, lorsque la deuxième branche de clapet (38) est à la position active, fait un deuxième angle aigu de réglage (bêta), orienté en sens inverse du premier angle aigu (alpha).
  30. Embout pour appareil d'aspiration selon l'une des revendications 23 à 29, caractérisé en ce que la deuxième branche de clapet (38) est réalisée sur un élément de sollicitation (26) du genre d'un levier, séparé, les deux éléments de sollicitation (26) étant reliés au moyen d'un ressort de compression (41), agissant entre eux.
  31. Embout pour appareil d'aspiration selon la revendication 30, caractérisé en ce que le deuxième élément de sollicitation (26) est monté de façon à pouvoir tourner dans la zone d'extrémité de l'espace de réception (10).
  32. Embout pour appareil d'aspiration selon l'une des revendications 23 à 31, caractérisé en ce qu'un ressort de compression (41) agit entre des branches d'espaces de réception (39) respectives des éléments de sollicitation (26).
EP98106799A 1997-04-16 1998-04-15 Embout pour dispositif d'aspiration destiné, par exemple, au nettoyage de surfaces par voie humaine Expired - Lifetime EP0872205B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19715768 1997-04-16
DE19715768 1997-04-16
DE19720303 1997-05-15
DE19720303A DE19720303A1 (de) 1997-04-16 1997-05-15 Sauggerätevorsatz, bspw. zur Feuchtreinigung von Flächen

Publications (3)

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EP0872205A2 EP0872205A2 (fr) 1998-10-21
EP0872205A3 EP0872205A3 (fr) 1999-12-22
EP0872205B1 true EP0872205B1 (fr) 2004-11-10

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EP (1) EP0872205B1 (fr)
AT (1) ATE281782T1 (fr)
ES (1) ES2229407T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0836826B1 (fr) * 1996-10-21 2006-11-22 VORWERK & CO. INTERHOLDING GmbH Embout pour appareil aspirant destiné au nettoyage par voie humide de surfaces
DE19719932A1 (de) * 1996-10-21 1998-04-23 Vorwerk Co Interholding Sauggerätevorsatz zur Feuchtreinigung von Flächen
DE19928224A1 (de) * 1999-06-19 2000-12-21 Vorwerk Co Interholding Sauggerätevorsatz mit einem Saugkanal
DE102017120736A1 (de) * 2017-09-08 2019-03-14 Alfred Kärcher SE & Co. KG Behältereinrichtung für ein Bodenreinigungsgerät und Bodenreinigungsgerät
CN110063684B (zh) * 2018-01-22 2025-10-14 天佑电器（苏州）有限公司 吸尘器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0836826A2 (fr) * 1996-10-21 1998-04-22 VORWERK & CO. INTERHOLDING GmbH Embout pour appareil aspirant destiné au nettoyage par voie humide de surfaces

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1054759A (fr) * 1976-11-30 1979-05-22 Antoine Marchand Aspirateur a commande de captage de liquides
US5377383A (en) * 1991-01-28 1995-01-03 Christensen; Lars Attachment for a vacuum cleaner or a vacuum-cleaning pipe
WO1994008502A1 (fr) * 1992-10-13 1994-04-28 Kipley Roydon Marks Separateur
DE19611371A1 (de) * 1995-04-21 1996-10-24 Vorwerk Co Interholding Sauggerätevorsatz zur Feuchtreinigung von Flächen
DE19654335A1 (de) * 1996-12-24 1998-06-25 Vorwerk Co Interholding Sauggerätevorsatz, bspw. zur Feuchtreinigung von Flächen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0836826A2 (fr) * 1996-10-21 1998-04-22 VORWERK & CO. INTERHOLDING GmbH Embout pour appareil aspirant destiné au nettoyage par voie humide de surfaces

Also Published As

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ATE281782T1 (de) 2004-11-15
EP0872205A2 (fr) 1998-10-21
ES2229407T3 (es) 2005-04-16
EP0872205A3 (fr) 1999-12-22

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