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EP2992799B1 - Appareil d'aspiration portatif doté d'une buse d'aspiration interchangeable - Google Patents

Appareil d'aspiration portatif doté d'une buse d'aspiration interchangeable Download PDF

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Publication number
EP2992799B1
EP2992799B1 EP14183781.5A EP14183781A EP2992799B1 EP 2992799 B1 EP2992799 B1 EP 2992799B1 EP 14183781 A EP14183781 A EP 14183781A EP 2992799 B1 EP2992799 B1 EP 2992799B1
Authority
EP
European Patent Office
Prior art keywords
suction
nozzle
suction nozzle
replaceable
portable
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
EP14183781.5A
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German (de)
English (en)
Other versions
EP2992799A1 (fr
Inventor
Christian Moddick
Rolf-Jürgen Meier
Patrick Spielbusch
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.)
Leifheit AG
Original Assignee
Leifheit AG
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
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Priority to EP14183781.5A priority Critical patent/EP2992799B1/fr
Publication of EP2992799A1 publication Critical patent/EP2992799A1/fr
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Publication of EP2992799B1 publication Critical patent/EP2992799B1/fr
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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
    • A47L1/00—Cleaning windows
    • A47L1/02—Power-driven machines or devices
    • A47L1/05—Hand apparatus with built-in electric motors
    • 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
    • A47L5/24—Hand-supported 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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum 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

Definitions

  • the invention relates to a portable suction device with replaceable suction nozzle with a housing, a suction container and a suction unit for generating a suction flow.
  • the suction device is able to provide a suction vacuum at the suction nozzle and, in a separation region of the suction material container, has separating means for dividing the suction flow into an exhaust air flow flowing out of the suction device and into suction material separated therefrom in the form of particles or fluid constituents collected in the suction material container.
  • the suction nozzle is detachably and exchangeably insertable with a nozzle connection mouth for forming a plug connection into a connection for receiving the front part of the nozzle connection mouth, which is provided on the housing or an adapter part arranged on the housing.
  • suction devices are used in different embodiments for absorbing all possible media.
  • both clean vacuum cleaners and liquid aspirators are used, and combination devices for alternative or combined absorption of liquids and dust or other loose dirt are known.
  • suction material As a generic term for all types of absorbable material below the term suction material is used.
  • Portable suction devices of this type for absorbing dust are from the US 4,380,845 A known.
  • a replaceable suction nozzle is provided in the front area, fixed via a rotary joint. This essentially has the meaning that the front area of the suction device can be taken apart to be able to insert a vacuum cleaner bag.
  • the US 5,870,851 again shows a portable suction device with a replaceable front suction nozzle, which has a flea comb at the free end, can be collected and sucked through the vermin.
  • the object of the invention is therefore to provide a portable suction device with replaceable suction nozzle, wherein the suction nozzle is easily replaceable, but still has the best possible function of the suction nozzle.
  • a portable suction device characterized in that the plug connection is designed such that the suction nozzle is rotatably supported about at least one axis of rotation, wherein the plug connection is formed by at least one engaging upon insertion of the suction nozzle in a locking element receiving latching element and the latching element receptacle and the latching element are designed such that the latched latching element is rotatably held in the latching element receptacle and, moreover, there is a clearance between the suction nozzle and the components holding it which is so large that the suction nozzle can pivot back and forth between two stops is.
  • each latching connection is then provided on the suction nozzle, wherein, of course, an adapter part can also be interposed here.
  • the adapter parts In turn, each fixed or detachable connected to the housing or the suction nozzle, here are all mounting options, in particular adhesive or welded joints, connectors or snap-in connections come into consideration.
  • the locking element receptacle may also be provided on the suction nozzle, so that the locking element is then arranged on the housing or on the housing-side adapter part.
  • the locking element receptacle can be attached via a nozzle-side adapter part to the suction nozzle.
  • several pairs of locking element receiving and locking element will be provided, so that a stable seat of the suction nozzle results, wherein alternatively, a locking element may be circumferentially formed around the suction channel, so that provided with a large locking element in a correspondingly large locking element recording also a stable support can be.
  • a latching connection which has two opposite pairings of latching element receptacle and latching element. Between these two pairings then the suction channel is arranged.
  • the latching element receptacle is preferably formed by two elastically deformable, opposing clamping jaws or elements which form a pincer-like snap hook and are correspondingly rounded behind a threading area to form a receptacle for a cylindrical latching pin. These locking pins can then be inserted through the threading under the expansion of the two jaws of a locking element recording in this until the rounded portion is reached and the two jaws create resiliently around the outer surface of the locking pin.
  • the suction nozzle can be rotated about an axis of rotation which passes through the center axis of the latching pin, wherein the possible pivoting angle is limited by stops within the adapter part or the housing.
  • the rotationally symmetrical latching pins are arranged opposite one another and arranged on a common axis of rotation and are held rotatably in the latching element receptacle.
  • the pivot angles made possible by this are rather small in preferred embodiments, for example 1 ° to 10 ° in at least one of the possible directions. Ultimately, however, the pivoting angle depends on the purpose and can be chosen larger if required.
  • the nozzle holder or the adapter part can also be rotatably mounted on the housing or have a rotatable area with the locking element receptacles.
  • the suction channel is then formed or connected to the housing, that the nozzle-side part and the housing-side part of the suction channel can be rotated relative to each other and the axes of rotation of the two parts of the suction channel and the rotatable portion of the adapter part with the locking element recording are congruent to each other.
  • the suction nozzle is not only pivotable, but also rotatably mounted on the housing. At the same time it can continue to be kept interchangeable on the locking element receptacle and the locking elements.
  • the rotational movement of the suction nozzle may preferably be limited by stops, and also locking means may be provided here, which hold the suction nozzle in a central position, so that unintentional rotation of the suction nozzle is avoidable.
  • pivotable mounting of the replaceable suction nozzle is that the pivoting movement can be used to control the performance of the suction motor motor or to turn the motor on or off.
  • contacts or at least one circuit breaker are provided.
  • the motor control is then controlled by operating the circuit breaker or closing the contacts. If, for example, the suction nozzle is moved about the pivot axis extending through the locking elements by a defined pivoting angle, either a pressing force is exerted on a button or adjacent contacts are closed by an electrically conductive region of the suction nozzle, so that the motor control detect this pivot angle and this Power control of the engine can use.
  • This is particularly convenient because the generic devices are usually battery-powered or battery-powered, so that the energy capacity is protected can only be achieved if the motor provides full power only when pressure on the suction nozzle indicates that the device is in a ready-to-operate position.
  • the suction channel extends with the nozzle connection mouth in the direction of the housing, which in turn has a connection possibility for the nozzle connection mouth.
  • This can be formed by a forward protruding pipe socket into or onto which the nozzle connection mouth can be inserted.
  • the nozzle connection mouth can also be formed so long via a nozzle-side nozzle that it can be inserted directly into a corresponding opening of the housing, without the need for a housing parts nozzle.
  • the nozzle connection or the nozzle-side nozzle must be sufficiently elastic so as not to lift the mobility of the suction nozzle.
  • the suction channel in the region between the suction nozzle and the housing is formed so that on the one hand to replace the suction nozzle a separation can be made, ie a plug connection is present, and on the other hand, the pivoting of the suction nozzle is made possible by the suction channel. If the suction nozzle is also rotatable about the central axis of the suction channel, the connection of the two parts of the suction channel must also make this possible while maintaining a sealing function.
  • the seal between the nozzle connection mouth and the housing-side part of the suction nozzle is preferably formed so that a centering is included.
  • the connector through which the suction nozzle is attached to the adapter part or the housing preferably designed so that the two parts of the nozzle also automatically find when joining the suction nozzle to the housing or the adapter part to each other.
  • the at least one of the two parts has an end piece that is made of an elastic material, for example rubber or silicone.
  • an elastic material for example rubber or silicone.
  • the nozzle-side part of the suction channel can be inserted.
  • the elastic design allows on the one hand the pivoting of the suction nozzle and on the other hand ensures the seal.
  • the suction channel may be formed in preferred embodiments in cross section round or oval.
  • a non-round configuration has the advantage that it is simultaneously avoided that the suction nozzle of an unsuitable orientation is attached to the device.
  • a non-circular, in particular oval shape of the insertion of the two parts of the suction channel when inserting into the funnel area cause a centering, since the achievement of the increasingly narrower range of the housing-side inner part of the suction channel with the associated elastic forces automatically aligning the suction with it bring.
  • This is particularly convenient because the locking elements must indeed meet the locking element recordings, so that the locking can be done.
  • the centering effect is preferably achieved even at an insertion depth, which lies before the coincidence of the locking elements with the front part of the locking element receptacle.
  • locking means can be provided to prevent a partial or complete insertion of the suction nozzle in the adapter part or the housing when the angular position of the suction nozzle to the housing or the adapter part is not suitable is to allow a connection of the locking element receptacles with the locking elements. This can in particular prevent damage to the locking element receptacles by incorrect attachment of the locking elements.
  • a particular advantage of the interchangeability of the suction nozzle is that with otherwise identical design of the other parts of the suction device, this is even better suited to absorb both liquids and air currents contained therein dirt in the form of larger particles or dust effectively.
  • An optimal suction result or optimal use of the device often failed because of the fact that the suction nozzle is not adapted to the particular use or that during fluid suction a Abziehlippe is needed, which in turn disturbs the vacuuming.
  • the suction nozzle would have to have the smallest possible intake channel.
  • a Abziehlippe is required with which the liquid can be collected and sucked.
  • the widest possible nozzle will be required to achieve a good suction with the suction that a battery-powered device can usually provide.
  • the interchangeability can be used.
  • Who wants to clean large windows will prefer a broad Abziehlippe, the owner of an old building with lattice windows, however, a narrower Abziehlippe that fits between his rungs.
  • FIG. 1 a preferred embodiment of a portable suction device is shown.
  • the suction device is designed here as a device for collecting and absorbing liquids.
  • this is only an exemplary use, the suction devices according to the invention are also suitable for all other applications.
  • the suction device shown has a housing 1, to which a suction container 2 is removably attached in the middle, lower area.
  • the suction material container 2 has a lateral discharge opening 9, via which the collected liquid can then be removed from the suction container 2, if it is not dismantled.
  • the suction material container 2 has a separation area 8 in the front region, in which, as will be explained in detail later, the liquid is separated from the liquid-air mixture sucked in.
  • the suction device has a motor 25 which is not visible here and which sucks the air out of the suction material container 2 and ejects it from the device via lateral outlets.
  • the housing 1 has at the top a handle 3, on which an on / off switch 18 is provided for the fundamental switching on or off of the motor 25, wherein switching-on can also mean that the motor 25 is switched to a stand-by mode ,
  • an adapter part 13 (not visible here) is arranged on a nozzle holder 6 and connected to the housing 1.
  • the nozzle holder 6 or the adapter part 13 clamp the suction material container 2 between itself and the rear region of the housing 1 with the motor 25, so that it is held firmly in the housing 1.
  • the nozzle holder 6 can be separated from the housing 1 via a trigger mechanism, so that the suction container 2 can be pulled out and removed with the suction nozzle 4 to the front.
  • a handle receptacle 7 is provided, via which the suction device can be connected to a handle, so that the user can achieve a greater range.
  • the suction nozzle 4 of the illustrated device is exemplified as a suction nozzle 4 for withdrawing and absorbing liquids.
  • This suction nozzle 4 has a Abziehlippe 5, which comprises two mutually parallel single lips, one of which provides the actual Abziehfunktion, while the other lip together with the front lip forms a wide slotted nozzle through which the Saugunter horr on the liquid, the located on the peeled surface before the Abziehlippe acts.
  • the rear lip In order for the liquid to be able to penetrate into the gap between the two lips and then be sucked up, the rear lip has smaller openings and is also provided with webs which project towards the front lip. The latter prevent the two lips from clinging to one another and thus close the suction nozzle.
  • FIG. 2 shows the suction material container 2 and the front nozzle holder 6 with the above protruding adapter part 13.
  • the suction nozzle 4 is shown, not yet connected to the nozzle holder 6 here.
  • the adapter part 13 has lateral attachment cams, via which the adapter part 13 can be releasably connected to the housing 1 suction device. From the front Abziehlippe 5, the flow path initially extends through the suction nozzle 4 to a Düsenan gleichmund 11. If the suction nozzle 4 is inserted into the nozzle holder 6, connects simultaneously the Düsenan gleichmund 11 with a nozzle 17 for receiving the Düsenan gleichmundes 11. This nozzle 17 for receiving the nozzle connection mouth 11 is arranged either on the nozzle holder 6 or preferably directly on the suction container 2 and forms a projecting in the direction of the suction nozzle 4 pipe socket, which opens into the suction container 2 and directs the flow there in the separation area 8.
  • the Düsenan gleichmund 11 may be made as well as the nozzle 17 for receiving the Düsenan gleichmundes 11 of an elastic material, the materials are preferably selected so that the mating pieces of suction nozzle 4 and nozzle holder 6 and adapter part 13, the two parts together reliably and sealing ,
  • one of the two parts can be made of a rigid material, while the other part is then rather elastic.
  • formed in the form of a pipe nozzle nozzle connection mouth 11 may be relatively rigid, for example, consist of a little elastic plastic. At this an additional rubber seal can be provided in the front area.
  • the device-side nozzle 17 for receiving the Düsenan gleichmundes 11 may then consist of a soft material, for example made of silicone.
  • the device-side nozzle 17 for receiving the Düsenan gleichmundes 11 is formed such that it slightly widens in the direction of its free, the suction nozzle 4 facing the end in diameter. This forms a threading funnel, into which the nozzle-like nozzle connection mouth 11 can be inserted when attaching the suction nozzle 4 to the nozzle holder 6.
  • the connecting piece 17 comprises a wall folded inwards by 180 °, so that the connecting piece 17 has the shape of a pipe socket with a rounded front edge.
  • the nozzle-like shaped outer side of the Düsenan gleichmundes 11 may be provided with an outwardly projecting sealing flange to which the made of silicone, for example, connecting piece 17 after the Mating the components can seal. Due to the elastic material can be guaranteed at the same time tolerance compensation while maintaining the sealing function.
  • the suction channel may be non-circular, for example oval. In this way, a centering is effected simultaneously by the elastic forces during assembly of the nozzle connection mouth 11 and the nozzle 17.
  • the suction nozzle 4 is connected via a latching connection with the provided in the nozzle holder 6 adapter part 13. This locking connection is in detail in the Figures 3-6 shown.
  • the latching connection here comprises on the side of the suction nozzle 4 in the direction of the nozzle holder 6 protruding holding elements, which are provided on both sides of the Düsenan gleichmundes 11 and each having a locking element 10.
  • the locking element 10 in turn is at least partially cylindrical and is of a locking element receptacle 14 (see. FIG. 4 ) received and held in the inserted state.
  • the locking element receptacle is, as best of FIG. 4 can be seen here formed by two claw-like components, which in turn have an upper and a lower jaw. These jaws can be pressed against overcoming an elastic spring force when pushing the locking elements 10 apart until the locking elements 10 reach the area at which a rounded portion adapted in shape to the upper and lower surface of the cylindrically shaped locking elements 10 in these areas is. This rounded area then sets driven by the elastic restoring force of the jaws to the locking elements 10 and thus holds the locking elements 10 in their position.
  • the use of the at least partially cylindrical locking element 10 in conjunction with the associated locking element receptacle 14 has the advantage that the suction nozzle 4 is pivotable about small angles in the holder.
  • the internally rounded portion of the jaws forms a kind of bearing eye, which engages the locking elements 10 and at the same time rotatably supports.
  • the possibility of being able to pivot the suction nozzle 4 relative to the nozzle holder 6 or adapter part 13 by a certain angular range has several advantages. On the one hand, this can be achieved by applying a compressive force on the suction nozzle 4, a certain force limitation. In addition, the pivotal movement can be used to regulate the power of the motor 25.
  • the circuit breaker 20 acts together with the on / off switch 18, wherein in the preferred embodiment of the on / off switch 18 basically starts the engine 25, but this initially with low power to save battery or battery capacity in a stand-by Mode is located. By operating the circuit breaker 20, the motor 22 will then start up, so that the full suction power is available.
  • the storage of the suction nozzle 4 is formed so that when no pressure force on the front portion of the suction nozzle 4, this is returned by elastic restoring forces back to the starting position. This can then be used to shut down the engine power or to turn off the engine.
  • the adapter part 13 has contacts 19 (cf. FIG. 3 ), so that the attachment to the housing 1 makes the necessary connections.
  • the latching elements 10 extend with a rear area deeper into the latching element receptacles 14 beyond the latching elements.
  • This designated here as Kippschutzflansch 12 area can be used to operate the circuit breaker 20.
  • a particular advantage of the suction device according to the invention is that the suction nozzle 4 can be replaced and can be adapted to the intended use of the device. In the simplest case, this may consist of using suction nozzles 4 with different widths of the draw-off lips 5. For example, it may be desired in some applications that the Abziehlippe 5 is as large as possible, while in other cases, for example when cleaning Butzenimin a larger Abziehlippe 5 is more of a hindrance. Alternatively, also equipped with a Abziehlippe suction nozzle 4 can be replaced by a pure vacuum cleaner nozzle 29, which has a much smaller suction mouth, so that at times a higher suction power is available to suck even heavier suction material can. Ultimately, due to the simple interchangeability, the suction device can be individually adapted to the desired needs.
  • the adapter part 13 is attached to the housing 1. For this purpose, it has fastening cams 15, furthermore, a release support 16 is provided, via which a downward pressure force of a release button can be transferred to the adapter part 13 so that the attachment cams 15 are pushed out of their receptacle and the suction material container 2 is first pressed down and then can be removed pulled forward.
  • FIG. 9 is the suction device according to the invention with the exception of the rear, the motor 25 having part shown in a side view in section.
  • the Abziehlippe 5 is designed in two parts with a front and rear Abziehlippe, which are held in the suction nozzle 4.
  • the nozzle holder 6 has an extending into the interior of the suction container 2 pipe socket, which serves as intake 21 here.
  • This motor 25 sucks air from the suction nozzle 22, whereby a negative pressure in the suction container 2 sets. Due to the negative pressure contaminated or mixed with moisture or water air is sucked through the intake 21 into the suction container 2.
  • the locking connection with the locking element 10 and the locking element receptacle 14 is shown again in an enlarged view.
  • the locking element 10 has a bolt-like shaped central region, with which it is held in a corresponding receptacle in the form of a bearing eye in the locking element receptacle 14. From this central region, the locking element 10 extends further in the direction of the housing 1 with the two strip-like Kipptikflanschen 12. These have the function that they protrude between the two, the locking element receptacle 14 forming snap hooks, thereby limiting on the one hand the pivoting angle.
  • the circuit breaker 20 is provided in the rear region of the locking element receptacle 14. By tilting the suction nozzle 4 up the anti-tilt flanges 12 are pressed with its rear portion down and turned against the circuit breaker 20. As a result, the power switch 20 is actuated.
  • the circuit breaker 20 is relieved from Kippschutzflansch 12, so that this can cause the engine power is reduced again or even switched off completely.
  • the retrieved power of the motor 25 can be adjusted continuously by the pivot angle and the resulting penetration depth of the switching element in the circuit breaker 20. The deeper the Kippstoffflansch 12 pushes the switching element of the circuit breaker 20 down, the greater the motor power provided and vice versa.
  • FIG. 11 is the detail "A" off FIG. 9 reproduced in an enlarged view. It can be seen here that an elastic end region is placed on the intake connection 21, which projects into the suction material container 2 (not shown here). This elastic end portion forms the nozzle 17 for receiving the nozzle connection mouth 11.
  • the pipe section of the intake is extended in the direction of its free end in diameter, so that here results in a richterartiger, narrowing inward area. In this narrowing area, the elastic conversion of the nozzle 17 is first plugged from the outside, in the region of the free end, this wall is then turned inwards by almost 180 °, so that the entire free end of the tube is sheathed.
  • the nozzle connection mouth 11 of the suction nozzle 4 can then be inserted into the threading funnel of the nozzle 17 thus formed. This is dimensionally stable in the front region, so that it can be easily connected to the elastic material of the nozzle 17.
  • FIGS. 12 and 13 show the middle and rear part of a preferred embodiment of the suction device according to the invention, wherein FIG. 12 the cutting plane is defined and FIG. 13 the side view is in section.
  • FIG. 14 shows the detail "B" FIG. 13 ,
  • the intake manifold 21 is part of the wall of the suction material container 2.
  • these components can be easily manufactured by injection molding.
  • the adapter part 13 is arranged between the suction container 2 and the upper part of the housing 1.
  • the front cover of the nozzle holder 6 is missing here, the adapter part 13 extends with a front release support 16 to the front and is connected in the rear area via the attachment cams, not shown, with the housing 1.
  • the attachment cams 15 get out of engagement with the housing 1 and the suction container 2 can be pulled off to the front.
  • the intake 21 opens into a free pipe socket in the suction container 2. Due to the motor-driven fan 28, the internal pressure in Suction container 2 reduced during operation of the motor 25 relative to the ambient pressure, so that air and thus suction material in the form of dirt, dust or liquids is sucked through the suction nozzle 4 and the intake 21 into the suction container 22. There, the flow meets the arranged in the suction container 2 Abborgeffen 23, which are formed here initially by a slanted to the flow direction baffle plate. This baffle deflects the flow down. The motor 25 sucks air through a suction nozzle 22 out of the suction container 2 out.
  • the free end of the suction nozzle 22 is provided with a flow labyrinth through which the flow sucked out of the suction material container 2 has to pass.
  • This suction device has, in addition to the motor 25, the fan wheel 28 and an air guide element 27.
  • the suction device is essentially formed by two basic components, namely on the one hand the suction nozzle 22 and on the other hand the motor unit with the associated fan wheel 28th
  • the two basic components of the suction device can be designed and preassembled as one unit. In a preferred embodiment, however, both components are formed independently of one another, as is also the case in the exemplary embodiment shown.
  • the suction nozzle 22 is provided with a rear sealing portion which extends radially outward in the form of a plurality of disc-like sealing plates (these are best in FIG. 19 to be recognized) inserted into the suction container 2, so that it forms a unit with this.
  • a solid connection for example by gluing, or a one-piece training would be possible.
  • the drive device in turn can be fastened either to the housing 1 or to the suction material container 2.
  • it is arranged for easier removal and attachment of the suction container 2 on the housing 1, which extends for this purpose with a lower part behind the suction container 2 down.
  • this is in one embodiment first inserted into a front sliding connection and then pushed a little way back until the mounting cams 15 engage the housing 1.
  • the basic components of the drive device come together.
  • the fan 28 has an annular nozzle which extends in the direction of the suction nozzle 21 and engages in this suction nozzle 21 after assembly.
  • FIG. 14 shows this assembled state. It can be seen that the moving fan wheel 28 in the region of the annular nozzle has a diameter which is greater than the inner diameter of the suction nozzle 22.
  • the inner diameter of the suction nozzle 22 is slightly enlarged so that a graduated cross-sectional geometry results in the end region of the suction nozzle 22.
  • the gap in the axial and / or radial direction between the impeller 28 and the annular nozzle is preferably less than 2 mm, more preferably about 1 mm in size.
  • the drive shaft 31 of the motor 25 protrudes through the partition 30 therethrough. There she is stuck on an inside hollow bell-shaped receptacle, which simultaneously directs the flow radially outward.
  • the fan wheel 28 has conveying blades 26, which are covered by an upper cover, so that there is a radially outwardly directed flow channel, which is surrounded by an annular region, from which in turn emerge through two lateral outlets, the air from the housing 1 can.
  • air guide elements 27 of the Carrier plate 30 is arranged. Also, these air guide elements 27 direct the exhaust air flow in the direction of the outlets and prevent energy-consuming back pressure by a flow backlog.
  • FIG. 20 shows a further application of the suction device according to the invention.
  • An advantage of the replaceable suction nozzle 4 is that the device can be adapted to different purposes.
  • FIG. 20 shows the use as a vacuum cleaner, here instead of the suction nozzle 4, a Staubsaugdüse 29 is used. This has a smaller housing and can thus selectively provide a higher suction vacuum available. Since the attachment via the locking element 10 and the locking element receptacle 14 is identical to the suction nozzle 4, the two nozzles can be used alternatively to each other.
  • a modification depending on the intended use of the vacuum cleaner can be made in the suction container 2, although usually a multifunctional training will be preferred, which requires no changes in the suction container 2.
  • a possible modification could be that over the suction nozzle 22, a grid is placed in the manner of a vacuum cleaner bag.
  • a cylindrical, dimensionally stable wire mesh with a small mesh size or a similar designed plastic part can be used here.
  • Another conceivable alternative is that the entire suction nozzle 22 is replaced by a cylindrical, closed at the front except for any air inlet holes to form a vacuum cleaner with a rotating filter.
  • This porous and air but not dust-permeable component can even be firmly connected to the fan 28, so that sets a rotation of the component by the drive of the fan wheel. This rotating component can then be used as a filterless retention device for dust and foreign bodies.
  • FIG. 21 shows a locking element receptacle 14, which has two power switches 20. These two power switches 20 have the meaning that, with different suction nozzles 4, the anti-tilt flange 12 can have a different length and / or the pressure range for actuating the body at different points Circuit breaker 20 has. Thus, a suction nozzle 4 actuate the front circuit breaker 20, as it is in FIG. 21 is shown. Another, in FIG. 22 illustrated suction nozzle 4 would then depress the rear circuit breaker 20. In this embodiment, the Kippschutzflansch 12 at the position of the front circuit breaker 20 has a recess, so that accidental operation of the front circuit breaker 20 is avoided.
  • FIG. 23 is the further use of the two power switches 20 shown.
  • a Kippschutzflansch 12 can actuate both circuit breakers 20 successively in dependence of the pivot angle.
  • one of the two power switches 20 comes into contact with the anti-tilt flange 12 and is pressed down by it.
  • An increase in the pivot angle then brings the Kipptikflansch 12 with the second circuit breaker 20 into contact and thus also actuates this second circuit breaker 20.
  • the user can turn on the pressure on the suction nozzle 4 in two stages the engine.
  • the angle can be set at which the respective switch is actuated.
  • the circuit breaker 20 if on one side of the suction nozzle 4, the locking element 10 and the corresponding locking element receptacle 14 with the components of the circuit breaker 20 and the pressure surface are provided for its operation.
  • This fact can be used to provide 4 different switches for different suction nozzles.
  • the suction nozzle 4 with integrated Abziehlippe 5 actuate a circuit breaker of the right locking element receptacle 14 for collecting and absorbing liquids.
  • the suction device also has a circuit breaker 20 on the left-hand side of the latching element receptacle 14 present there, then it can then be actuated, for example, by another suction nozzle, for example the vacuum suction nozzle 29. It can also be provided in particular that the left side is designed so that the power switch 20 is actuated independently of the swivel angle, since it usually does not have direct contact with a pure vacuum cleaner operation between the surface to be sucked and the suction nozzle 4.
  • the Staubsaugdüse 29 has contact means on a latching element, which are designed so that they actuate the circuit breaker 20 on the corresponding side during insertion of the Staubsaugdüse 29 regardless of the tilt angle.
  • On the opposite side then provided there locking element receptacle 14 may also have a circuit breaker.
  • the suction nozzle 4 then has the above-described, pivoting angle-dependent contact means on this page, so that they then actuate the corresponding power switch 20 after insertion into the nozzle holder 6 only after the pivoting of the suction nozzle 4.
  • the contact means exert a compressive force on a circuit breaker 20 in the form of a pressure switch.
  • the contact means may also be electrical contacts bridging two adjacent contacts of the circuit breaker 20. In this case, then the contact means on the locking element 10 are part of the circuit breaker 20th
  • circuit breaker 20 From the circuit breaker 20 lines lead to the contacts 19 on the adapter part 13 or on the nozzle holder 6. About these contacts 19, the circuit breaker 20 are then connected to the electronics of the device.
  • this contact can be used without interchangeability of the suction nozzle 4 or vacuum nozzle 29, but at fixedly mounted in the nozzle holder 6 suction nozzle 4 and the Staubsaugdüse 29 become.
  • Another feature complex relates to the storage of the motor 25 and the flow optimization via the drive unit. This concerns in particular the fan.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • External Artificial Organs (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Claims (15)

  1. Appareil d'aspiration portatif doté d'une buse d'aspiration interchangeable (4) et d'un boîtier (1), d'un collecteur de matières aspirées (2) et d'une unité d'aspiration pour créer un courant d'aspiration, qui fournit une dépression d'aspiration appliquée à la buse d'aspiration (4), et de moyens de séparation, qui sont aménagés dans une zone de séparation (8) du boîtier et qui permettent de répartir le courant d'évacuation aspirée par le biais de la buse d'aspiration dans un courant d'évacuation s'écoulant hors de appareil d'aspiration et en matières aspirées sous forme de particules et/ou de composantes fluides, où les particules ou les composantes fluides séparées sont recueillies dans le collecteur de matières aspirées (2) et où la buse d'aspiration (4) peut être introduite de manière détachable et interchangeable avec un embout de connexion (11) de buse pour constituer une connexion à fiche dans une tubulure (17) disposée au niveau du boîtier (1) ou d'un adaptateur (13) disposé sur le boîtier (1) pour recevoir la partie avant de l'embout de connexion (11) de buse, caractérisé en ce que la fiche de connexion est conçue de telle sorte que la buse d'aspiration (4) est maintenue rotative au moins autour d'un axe de rotation, où la connexion à fiche est constituée d'au moins un élément d'encliquetage (10) s'engrenant dans un réceptacle (14) pour élément d'encliquetage lors de l'introduction de la buse d'aspiration (4) et le réceptacle (14) pour élément d'encliquetage et l'élément d'encliquetage (10) sont conçus de telle sorte que l'élément d'encliquetage encliqueté (10) est maintenu rotatif autour de l'axe de rotation dans le réceptacle (14) pour élément d'encliquetage.
  2. Appareil d'aspiration portatif doté d'une buse d'aspiration interchangeable (4) selon la revendication 1, caractérisé en ce que deux éléments d'encliquetage (10) sont prévus, disposés sur des côtés opposés du canal d'écoulement formé par l'embout de connexion (11) de buse et la tubulure (17), éléments qui sont maintenus mobile en rotation dans des paliers correspondants du réceptacle (14) pour élément d'encliquetage.
  3. Appareil d'aspiration portatif doté d'une buse d'aspiration interchangeable (4) selon la revendication précédente, caractérisé en ce que les éléments d'encliquetage (10) sont constitués de composants cylindriques au moins dans certaines sections, où le réceptacle (14) pour élément d'encliquetage est constitué de deux mâchoires de serrage montées sur ressort et opposées l'une à l'autre, qui présentent une zone d'enfilement ouverte vers l'extérieur et une zone de serrage connectée à celle-ci, pourvue d'une zone de paroi arrondie à l'intérieur pour reposer à plat au moins en certaines sections, contre les composants cylindriques.
  4. Appareil d'aspiration portatif doté d'une buse d'aspiration interchangeable (4) selon la revendication précédente, caractérisé en ce qu'au moins l'un des éléments d'encliquetage (10) présente une flasque de protection contre le basculement (12) s'étendant au-delà de la zone de paroi arrondie entre respectivement une section interne des mâchoires de serrage et sous forme d'une extension en forme de barre ou de tige, où les sections internes des mâchoires présentent un espace l'une par rapport à l'autre de telle sorte que l'on obtient entre les sections internes et le flasque de protection contre le basculement (12) un espace de sorte que les éléments d'encliquetage (10) sont rotatifs entre deux butées au niveau desquelles bute le flasque de protection contre le basculement (12) respectivement contre l'une des mâchoires de serrage.
  5. Appareil d'aspiration portatif doté d'une buse d'aspiration interchangeable (4) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins un élément d'encliquetage (10) et un réceptacle (14) pour élément d'encliquetage correspondant présentent des contacts pour constituer un disjoncteur à haute tension (20), qui sont conçus de telle sorte qu'une impulsion de commutation est générée en fonction d'un angle de pivotement prédéterminé de la buse d'aspiration pour mettre en marche l'unité d'aspiration ou bien pour augmenter la puissance de celle-ci.
  6. Appareil d'aspiration portatif doté d'une buse d'aspiration interchangeable (4) selon la revendication 4 en combinaison avec la revendication 5, caractérisé en ce que les contacts sont prévus opposés l'un à l'autre, au niveau d'au moins l'un des sections internes des mâchoires de serrage et d'au moins un flasque de protection contre le basculement (12) coopérant ladite section interne.
  7. Appareil d'aspiration portatif doté d'une buse d'aspiration interchangeable (4) selon l'une quelconque des revendications précédentes, caractérisé en ce que la connexion à fiche présente des moyens de centrage, qui sont conçus de telle sorte que la buse d'aspiration (4) ne peut être montée que dans une ou deux orientations de rotation dans les tubulures (17) pour recevoir l'embout de connexion (11) de buse.
  8. Appareil d'aspiration portatif doté d'une buse d'aspiration interchangeable (4) selon la revendication précédente, caractérisé en ce que l'embout de connexion (11) de buse et la tubulure (17) pour recevoir l'embout de connexion (11) de buse sont conçus avec une section transversale non ronde, en particulier ovale.
  9. Appareil d'aspiration portatif doté d'une buse d'aspiration interchangeable (4) selon l'une quelconque des revendications précédentes, caractérisé en ce que des tubulures (17) pour recevoir l'embout de connexion (11) de buse et/ou l'embout de connexion (11) de buse sont fabriqués à partir d'un matériau élastique, en particulier silicone.
  10. Appareil d'aspiration portatif doté d'une buse d'aspiration interchangeable (4) selon l'une quelconque des revendications précédentes, caractérisé en ce que le réceptacle (14) pour élément d'encliquetage est disposé au niveau de l'adaptateur (13), où l'adaptateur (13) est fixé sur le boîtier (I) ou le collecteur de matières aspirées (2) et la tubulure (17) pour recevoir l'embout de connexion (11) de buse est prévue contre une tubulure d'aspiration (22) conduisant à une zone de séparation (8) prévue à l'intérieur du boîtier (1), en particulier dans le collecteur de matières aspirées (2), tubulure d'aspiration qui traverse l'adaptateur (13).
  11. Appareil d'aspiration portatif doté d'une buse d'aspiration interchangeable (4) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité d'aspiration est constituée d'un moteur (25) et d'une roue de ventilateur (28) entraînée par le moteur (25), où la roue de ventilateur (28) présente des palettes d'entraînement (26) pour assurer la déviation latérale du courant d'air aspiré hors du collecteur de matières aspirées (2) par le biais d'une tubulure d'aspiration (22).
  12. Appareil d'aspiration portatif doté d'une buse d'aspiration interchangeable (4) selon la revendication précédente, caractérisé en ce que le moteur (25) est disposé au niveau d'un élément de guidage d'air (27), constitué d'une plaque de support (30), elle-même disposée entre le moteur (25) et la tubulure d'aspiration (22), où la roue de ventilateur (28), vue du collecteur de matières aspirées (2), est disposée derrière la plaque de support (30) et le moteur (25) traverse la plaque de support (30) avec un arbre d'entraînement (31) ou une section de boîtier étanche pour entraîner la roue de ventilateur (28).
  13. Appareil d'aspiration portatif doté d'une buse d'aspiration interchangeable (4) selon l'une quelconque des deux revendications précédentes, caractérisé en ce que le collecteur de matières aspirées (2) présente une ouverture arrière pour enficher l'unité d'aspiration et est relié de manière détachable avec le boîtier (1), où la tubulure d'aspiration (22) est fixée à demeure dans le collecteur de matières aspirées (2) et la roue de ventilateur (28) ou la plaque de support (30) présentent une ouverture d'entrée et sont conçues de telle sorte que l'unité d'aspiration est enfichée de manière étanche sur la tubulure d'aspiration (22) lors de l'introduction dans le collecteur de matières aspirées (2).
  14. Appareil d'aspiration portatif doté d'une buse d'aspiration interchangeable (4) selon la revendication précédente, caractérisé en ce que la roue de ventilateur (28) ou la plaque de support (30) présentent une gorge circonférentielle dans laquelle le bord de la tubulure d'aspiration (22) s'engrène après enfichage de l'unité d'aspiration sur le collecteur de matières aspirées (2).
  15. Appareil d'aspiration portatif doté d'une buse d'aspiration interchangeable (4) selon la revendication précédente, caractérisé en ce que deux interrupteurs de puissance (20) sont prévus pour réguler la puissance du moteur, où les éléments d'encliquetage (10) de chacune des buses d'aspiration (2) sont conçues de telle sorte qu'elle permet respectivement de coopérer avec l'un de points de contact du réceptacle (14) pour élément d'encliquetage et que la commande du moteur est conçue pour qu'une puissance de moteur différente soit réglée en fonction des contacts alors fermés.
EP14183781.5A 2014-09-05 2014-09-05 Appareil d'aspiration portatif doté d'une buse d'aspiration interchangeable Active EP2992799B1 (fr)

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EP14183781.5A EP2992799B1 (fr) 2014-09-05 2014-09-05 Appareil d'aspiration portatif doté d'une buse d'aspiration interchangeable

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017105176A1 (de) * 2017-03-10 2018-09-13 Leifheit Ag Saugdüse für ein Handsauggerät und Handsauggerät
LU503991B1 (de) * 2023-04-19 2024-10-21 Excellent Market Ltd Sauggerät

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380845A (en) 1981-03-20 1983-04-26 Shop-Vac Corporation Nozzle for hand-held vacuum
US5099545A (en) 1990-08-28 1992-03-31 Black & Decker Inc. Vacuum cleaner including a squeegee
US5870851A (en) 1997-05-30 1999-02-16 Shoemaker; David G. Flea removal assembly and conversion kit
DE102008004964B3 (de) 2008-01-11 2009-05-14 Alfred Kärcher Gmbh & Co. Kg Hartflächenabsauggerät
WO2010018312A2 (fr) * 2008-08-11 2010-02-18 Winddrop Raclette pour surface lisse
DE102011050697A1 (de) 2011-05-27 2012-11-29 Leifheit Ag Flüssigkeitssaugvorrichtung zum Abziehen und Aufsaugen von Flüssigkeiten
DE102012104102A1 (de) * 2011-11-17 2013-05-23 Vorwerk & Co. Interholding Gmbh Feuchtreinigungsvorrichtung
CN202537394U (zh) * 2012-04-18 2012-11-21 苏州市春菊电器有限公司 一种可旋转真空式蒸汽刮头
EP2890283B1 (fr) * 2012-08-29 2017-08-02 Alfred Kärcher GmbH & Co. KG Dispositif de prolongation d'un systeme d'aspiration des surfaces dures
CN103251348B (zh) * 2013-06-03 2015-09-16 中山市金舜家庭用品有限公司 一种表面清洁装置

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