EP2919633B1 - Dispositif d'aspiration - Google Patents

Dispositif d'aspiration Download PDF

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Publication number
EP2919633B1
EP2919633B1 EP12794216.7A EP12794216A EP2919633B1 EP 2919633 B1 EP2919633 B1 EP 2919633B1 EP 12794216 A EP12794216 A EP 12794216A EP 2919633 B1 EP2919633 B1 EP 2919633B1
Authority
EP
European Patent Office
Prior art keywords
suction
region
cover
filter unit
wall
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
EP12794216.7A
Other languages
German (de)
English (en)
Other versions
EP2919633A1 (fr
Inventor
Bernd Gruber
Marcel SCHÖNHERR
Philemon GAISER
Manuel SCHULZE
Anne OBERLÄNDER
Roger Knee
Dr. Christian STEWEN
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.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Publication of EP2919633A1 publication Critical patent/EP2919633A1/fr
Application granted granted Critical
Publication of EP2919633B1 publication Critical patent/EP2919633B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • 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
    • A47L7/0019—Details of the casing
    • 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
    • A47L7/0023—Recovery tanks
    • 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
    • A47L7/0042—Gaskets; Sealing means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/18—Liquid filters
    • A47L9/182—Separating by passing the air over a liquid bath

Definitions

  • the invention relates to a suction device, comprising a suction unit, a housing in which the suction unit is arranged, a liquid filter unit, which is detachably positioned on the housing at a holding area, wherein the liquid filter unit has a suction inlet and a suction outlet.
  • a liquid filter unit filters contaminated suction air by passing it through a liquid bath with an integrated separator. At the separator solid particles are deposited.
  • the term "liquid filter unit” will be understood as meaning any filter unit based on the said principle, irrespective of whether the liquid used is water, water with additives or another liquid.
  • a vacuum cleaner which comprises a housing and a tank, which is removably mounted on the housing and having an inlet. Furthermore, a hose interface is provided, via which a suction hose is pivotally connected to the housing with a selective fluid communication with the inlet. A suction source is provided in fluid communication with the tank to draw fluid through the hose interface and the tank when the hose interface is in communication with the inlet.
  • a vacuum cleaner with a housing, a suction unit arranged therein and a known entering into the housing and a dirt collecting container and a separator connected to the suction side of the suction unit suction line known, wherein the closed dirt collecting container is inserted into the housing and in the inserted position on a suction port sealed with the suction line and sealed via a suction with the suction side of the suction unit is in communication, wherein the dirt collecting container is partially filled with a liquid into which a from the suction opening into the liquid-reaching inlet line opens, and wherein above the liquid filling baffles are arranged, which form for the guided through the liquid suction flow between the liquid surface and the suction a multiply deflected flow path.
  • the Eimündungsstelle the feed line into the liquid is covered by a hood through which passes through the feed line, which is immersed on one side into the liquid and the opposite end is located outside of the liquid.
  • the hood extends to its in the liquid submerged side down to the bottom of the dirt collector, so that in this area the entering into the liquid suction stream can not pass.
  • A1 is a vacuum cleaner with a dirt collecting container, which has a suction opening and which is in flow connection with a suction unit and defines a fillable with liquid filling, known, wherein suction air from the suction port via an inlet line to the filling space can be fed and wherein the filling space downstream of a liquid separator is Separation of liquid from the suction air.
  • the liquid separator comprises a cyclone with at least one inlet, one outlet and at least one discharge element, wherein the suction air can be supplied to the cyclone via the at least one inlet and can be dispensed via the outlet and wherein liquid deposited within the cyclone flows into the filling space via the at least one discharge element is traceable.
  • the invention has for its object to provide a suction device of the type mentioned, which has an optimized flow guidance with ease of use.
  • an openable and closable lid is provided, which is arranged at least in a closed position on the housing, wherein with the lid open the liquid filter unit is positioned between the lid and the holding portion and that Channel means is provided which is arranged on the lid and having an inlet and an outlet, wherein with the lid closed, the inlet of the channel means is in fluid communication with the suction outlet of the liquid filter unit and the outlet of the channel means is in fluidly effective connection with the suction unit.
  • the channel device provides the flow path between the liquid filter unit and the suction unit.
  • This channel device is arranged on the lid. This makes it easy to use a completely removable liquid filter unit. By closing the lid, a fluid-tight connection of the channel device to the liquid filter unit and the suction unit can be achieved automatically.
  • the channel device provides for the forwarding of a filtered air flow. It can be optimized with regard to the flow guidance.
  • the lid which in particular exerts an axial clamping force on the liquid filter unit for fixing it to the housing, can be optimized separately from the flow guidance when the channel device is used.
  • the cover is pivotally mounted on the housing. He is thereby held captive on the housing. It can be pivoted so that in particular the liquid filter unit can be removed as a whole.
  • the cover for the transfer from the closed position to the open position in a direction away from the suction unit is pivotable. This can provide a large space area over which the liquid filter unit can be removed. In particular, the liquid filter unit as a whole can then be lifted upwards.
  • the liquid filter unit is freely removable from the holding area upwards. This results in an easy operability for a user.
  • the housing has a first wall, which is spaced from a second wall, the second wall defining a receiving space for the suction unit and the holding area between the first wall and the second wall is arranged, wherein at the the first wall is arranged a pivot joint, via which the lid is pivotally supported, wherein in particular a pivot axis of the pivot joint is at least approximately parallel to the second wall.
  • the housing of the suction device can thereby be divided into a first region, which receives the liquid filter unit, and a second region, in which the suction unit is fixedly arranged. These two areas are separated by the second wall.
  • the first wall and the second wall optionally form, with further elements, a receiving space for the liquid filter unit.
  • the first wall then continues to serve for a pivotable mounting of the lid. It can thereby realize a compact housing.
  • the pivot axis of the pivot joint is in particular at least approximately aligned horizontally when the suction device is placed with its housing on a horizontal surface.
  • a fixing device is arranged on the second wall or on an element connected to the second wall, by means of which the cover can be detachably fixed to the housing in the region of the second wall. This makes it easy to reach an opening of the lid by pivoting away from the second wall.
  • the lid By fixing to the second wall directly or with a part connected to the second wall part, the lid can be fixed in a closed position.
  • the liquid filter unit can be axially clamped.
  • a handle can then be arranged on the cover and, with the cover fixed, the suction device as a whole can be grasped and transported via the handle on the cover from an upper side.
  • a receptacle for a dry filter device is arranged on the liquid filter unit in the region of the suction outlet.
  • the dry filter device has a dry filter (that is, no liquid separator is provided).
  • the dry filter device is a suction device upstream of the filter device, which serves to protect them.
  • the receptacle for the liquid filter unit can be easily integrated in a corresponding liquid container of the liquid filter unit.
  • At least one hold-down element for the dry filter device is arranged on the lid.
  • the dry filter unit can thereby be inserted loosely into the receptacle of the liquid filter unit.
  • the one or more hold-down elements on the lid when the lid is closed for a fixation of the dry filter device in the receptacle at least in the axial direction.
  • the at least one hold-down element is arranged on the channel device and in particular arranged and / or formed at the inlet of the channel device. As a result, the at least one hold-down element can be easily integrated in the cover.
  • one or more handles are arranged on the cover on one side opposite the channel device.
  • the lid forms a partial top of the suction device.
  • the channel means comprises a first seal which is arranged at the inlet and serves for a fluid-effective sealing at the suction outlet of the liquid filter unit with the lid closed.
  • the first seal at the inlet of the channel means provides an airtight seal when the lid is closed and the inlet of the channel means abuts the suction outlet of the liquid filter unit.
  • the channel device comprises a second seal, which is arranged at the outlet and serves for fluid-effective sealing at a connection for the suction unit. It is characterized by an airtight seal for the suction air flow between the Outlet of the channel device and the corresponding connection of the suction unit reached.
  • the first seal and / or the second seal are formed by a sealing lip, which in particular forms a closed curve, wherein in particular the sealing lip is injection-molded. It can thereby also be achieved in a simple manner that when the liquid filter unit is positioned at the holding area and the lid is closed, a seal between the channel device and the suction outlet of the liquid filter unit and the connection of the suction unit is automatically achieved by means of corresponding sealing systems.
  • the cover has an area which is oriented at least approximately with respect to an envelope at least approximately parallel to a bottom of the housing, and the channel device is arranged on this area. At such a range then advantageously a handle is arranged.
  • the lid is designed as a clamping bracket through which the liquid filter unit is clamped to the housing when the lid is closed.
  • the lid can then be used to axially clamp the liquid filter unit with the housing and thereby fix.
  • such an axial clamping can easily achieve an airtight seal between the channel device and the liquid filter unit or a connection of the suction unit.
  • At least one viewing window lies between the housing and the lid on the liquid filter unit.
  • a liquid filter unit if this is made of a transparent material, observe this and recognize, for example, when cleaning is necessary.
  • the at least one A viewing window is in particular a material-free area, that is to say an "open" window.
  • the liquid filter unit has a liquid container in which a snorkel is arranged, which is connected to the suction inlet, and in that a sealing device is provided which provides a fluid-effective seal between the suction inlet and a container interior provides at the snorkel and which has a receiving area for a suction hose and provides an airtight seal at the suction inlet when the suction hose is received.
  • Suction air (which is contaminated) is coupled into the liquid bath via the snorkel in the liquid container in order to carry out a corresponding separation process there.
  • a sealing device which ensures both an air-tight seal when coupling the Saugluftstroms (when connecting a suction hose), as well as a liquid seal on the liquid filter unit with respect to the snorkel, so that the dirt-laden suction air stream at a defined position of the Snorkel and in particular at an orifice at or near one end of the snorkel enters the liquid bath.
  • the sealing device can also be formed in a simple manner as a baffle plate seal in order to achieve an effective sealing effect.
  • the sealing device comprises a one-piece sealing body or comprises a sealing body with molded sealing lip.
  • a sealing body of the sealing device is made of an elastic material.
  • the elastic material is a rubber material or rubbery material.
  • the sealing device is arranged on the liquid container and is fixedly arranged. This makes it easy to achieve a fluid seal with respect to the snorkel and achieve an air seal for a suction hose.
  • the sealing device has a first region which is arranged on an outer side of the liquid container and has a second region, which is arranged on an inner side of the liquid container and is connected to the snorkel.
  • the different areas are designed so that an airtight seal for a suction hose is achieved and a liquid-tight seal for the snorkel is achieved.
  • the first area is particularly intended to allow a suction hose to be inserted, thereby achieving an airtight seal.
  • the first region has a support surface for a connection of a cover of the housing. If then, for example, the housing is closed, the nozzle acts on this support surface and it is achieved by a seal.
  • the nozzle for example, have a support function for the suction hose.
  • the nozzle has a higher mechanical strength (lower elasticity) than the sealing device in order to have the support function for the suction hose.
  • the first region has at least one recess for deformability, wherein in particular the at least one recess is radially oriented and in particular a plurality of spaced (in particular in the circumferential direction) recesses is provided.
  • the first region has a ring shape, then a suction hose can be inserted and the recesses just allow such elastic deformation that a seal is achieved.
  • the first region has a first envelope at one end and the second region has a second envelope at one end, the first envelope and the second envelope lying at an acute angle to one another, the acute angle in particular in the region between 10 ° and 20 ° and for example at about 15 °. It can thereby be provided with a corresponding arrangement of the sealing means a baffle plate in order to achieve a high sealing effect.
  • the sealing device is designed as a baffle plate seal in order to achieve effective Saugstromlenkung with high sealing effect.
  • FIGS. 1 to 4 shown and designated 10 An embodiment of a suction device according to the invention, which in the FIGS. 1 to 4 shown and designated 10, is a vacuum cleaner.
  • This vacuum cleaner is formed in the embodiment shown as a mobile, portable device.
  • the suction device 10 has a housing 12.
  • the housing 12 has a first region 14 and a second region 16.
  • the first region 14 and the second region 16 are arranged next to one another.
  • the housing 12 in this case comprises a bottom 18.
  • the first region 14 and the second region 16 are formed on the bottom 18.
  • a first wall 20 is arranged. Spaced to the first wall 20 is above the bottom 18, a second wall 22.
  • the first portion 14 of the housing 12 is formed between the first wall 20 and the second wall 22.
  • the first region 14 in this case comprises a holding region 24 for releasably holding a liquid filter unit 26.
  • liquid filter unit is used. Often, water is used to filter suction air. But it can also be used as a liquid other than water or it can be used with added water as a filter liquid.
  • the second wall 22 delimits a closed receiving space 28 in the second area 16 of the housing 12.
  • a suction unit 30 is arranged in this receiving space 28. This suction unit 30 generates the vacuum necessary for a suction flow. For this purpose, a naturally aspirated engine and a suction turbine is available.
  • the receiving space 28 is closed down through the bottom 18.
  • a third wall 32 is provided, which is connected to the second wall 22, which surrounds the receiving space 28.
  • the receiving space 28 is closed by a fixed lid 34.
  • a terminal 36 is arranged on the cover 34. This connection is in fluid-effective connection with the suction unit 30. It can be used to generate or suck in a suction air stream, as explained in more detail below.
  • the housing 12 has a cover 38 for the first region 24.
  • This cover serves to (partially) close the first region 14 with the liquid filter unit 26 and to fix the liquid filter unit 26 and in particular to clamp the liquid filter unit 26 to the holding region 24.
  • the first wall 20 has a lower height above the bottom 18 than the second wall 22.
  • the cover 38 is articulated via a pivot joint 40 on the first wall 20.
  • a pivot axis 42 ( FIG. 3 ) is aligned at least approximately parallel to the bottom 18 and / or the second wall 22.
  • a fixing device 44 is arranged, via which the lid 38 can be fixed to the housing 12 with the second region 16.
  • the cover 38 has a fixing part 46 which corresponds to the fixing device 44.
  • a spring-loaded releasable latching connection for fixing the lid 38 with its fixing part 46 is provided on the fixing device 44.
  • the fixing part 46 on the cover 38 is arranged at or in the vicinity of an end 48 of the lid 38, which is opposite to an end 50 of the lid 38, on which or in the vicinity of the pivot joint 40 is arranged.
  • the lid 38 is formed so that it does not completely surround the first region 14 of the housing 12. Between the cover 38 and the bottom 18 or a bottom wall 18 connected to the side wall 52 is closed with the lid 38 (FIG. FIG. 1 ) a viewing window 54 is formed.
  • the viewing window is present in particular on the left side and the right side of the suction device 10. In FIG. 1 is the viewing window 54 on one right side, when looking at the suction device 10 from the front in the direction of the first region 14 to the second region 16.
  • the suction device 10 can be set over the floor 18 on a base.
  • 18 corresponding Aufstellelemente 56 are arranged on an outer side of the bottom.
  • the third wall 32 has a rear side 58.
  • This back 58 forms one end of the suction device 10, which faces away from the end on which the first wall 20 is seated.
  • the back 58 is at least partially flat.
  • the suction device 10 can also be set up on a support via its rear side 58. As a result, for example, the suction device 10 can be stowed with smaller lateral dimensions.
  • the holding region 24 is formed on the bottom 18 and bounded by the opposite first wall 20 and the second wall 22 and the corresponding side walls 52.
  • a receiving trough 60 for the liquid filter unit 26 is formed on the holding region 24.
  • the receptacle 60 is laterally surrounding and closed down. It is provided with positioning ribs 62 for the liquid filter unit 26.
  • the liquid filter unit 26 is inserted into the receptacle 60 with the dimension in the liquid filter unit 26 fitted to the receptacle 60 with the positioning ribs 26, the liquid filter unit 26 is laterally positively held.
  • the lid 38 which is designed accordingly, ensures an axial fixation of the liquid filter unit 26 to the housing 12.
  • the liquid filter unit 26 has a liquid container 64.
  • This liquid container is at least partially in an area which at positioned liquid filter unit 26 is located on the viewing window 54, made of a transparent material and in particular plastic material. As a result, a user can observe an interior of the liquid container 64 from outside through the viewing window 54, which is in particular an open window.
  • a handle 66 is disposed on the liquid container 64.
  • the handle 66 includes a bracket 68 which is connected to lateral webs 69. There are opposite webs 68 are provided, which are each pivotally hinged to one side 70 of the liquid container 64 pivotally.
  • the handle 66 is dimensioned such that in a "parking position" of the handle 66, which in FIG. 5 is shown, this does not protrude above a top 72 of the liquid container 64. In this parking position then the handle 66 also does not hinder the closing of the lid 38 when the liquid filter unit 26 is seated on the holding region 24.
  • the handle 66 is pivotable in such a position that the liquid filter unit 26 can be taken from above and can be removed from the first portion 14 of the housing 12 upwards when the lid 38 is opened accordingly.
  • FIG. 3 a corresponding example is shown with the lid 38 open, wherein the handle 66 is in the park position. If the handle 66 is brought by pivoting away from the second wall 22 in a gripping position, then a user from above can grasp the handle 66 and then pull upwards, away from the bottom 18, the liquid container 64 of the liquid filter unit 26.
  • the liquid container 64 on opposite sides 70 recesses into which corresponding shaft journals which sit on the brackets 68, engage.
  • the liquid container 64 has a base 74 and a top 76 which are releasably secured together.
  • the upper part 76 is placed on the lower part 74 and can be removed after solving the fixation.
  • an interior of the liquid container 64 is accessible.
  • the liquid filter unit 26 has a suction inlet 78 on the liquid container 64. This suction inlet is used for coupling in particular a suction hose. A "dirty" suction air stream is coupled via the suction inlet 78 into the liquid filter unit 26.
  • the upper part 76 of the liquid container 64 has an outer shape which is adapted to the corresponding shape of the receiving space on the first region 14 of the housing 12.
  • the lower part 74 is adapted in its outer dimensions at least approximately cuboidal to the receiving trough 60 of the first region 14 with the holding portion 24th
  • the upper part 76 is formed in its outer dimensions (in a partial area) at least approximately so that it is trapezoidal in cross section.
  • a rear side 80 is provided which is, for example, an aligned continuation of a rear side 82 of the lower part 74.
  • an upper side 84 is provided, which is in particular at least approximately parallel to a lower side 86 of the lower part 74.
  • the lower part 74 has a front side 86, which is spaced from the rear side 82 and at least approximately parallel thereto.
  • the upper part 76 further has a front side 88, which is connectable to the front side 86 of the lower part 74.
  • a sloping side 90 which lies at a first acute angle to the front side 88 and lies at a second acute angle to the upper side 84.
  • the first acute angle is for example in the range between 35 ° and 55 °. Accordingly, then the second acute angle is in the range between 55 ° and 35 °.
  • a snorkel 94 is seated in an interior 92 of the liquid container 64.
  • the snorkel 94 has a first region 96 and a second region 98.
  • the first area is connected to the suction inlet 78.
  • the second area 98 is connected to the first area 96.
  • the first region 96 and the second region 98 are formed by tubular elements.
  • the tubular element of the first region 96 is oriented at least approximately perpendicular to the oblique side 90.
  • the suction inlet 78 is formed on it. It is, as will be explained in more detail below, a sealing device 100 is provided.
  • the tubular element of the second region 98 is at least approximately parallel to the front face 88 and spaced therefrom.
  • the tubular element of the second region 98 leads in the direction of a bottom of the liquid container 64. It has an outlet 102, which is formed for example by a sacilnikförmigen cutout. This outlet 102 faces the front face 88 with an outlet port.
  • the snorkel 94 is fixed in the interior 92 of the liquid container 64.
  • the liquid container 64 of the liquid filter unit 26 has a suction outlet 106.
  • a recess 108 is formed on the upper side 84 of the upper part 76.
  • the recess 108 is, for example, (hollow) cuboid.
  • the recess 108 receives a dry filter device 110 (FIG. FIG. 3 ) on.
  • the recess 108 has an inlet 112 for suction air.
  • a flow guide 114 is formed between the outlet 102 of the snorkel 94 and the inlet 112 or a unit upstream of the inlet 112, a flow guide 114 is formed.
  • this flow guide for example, water is arranged, wherein a suction air flow has to flow through this water.
  • the flow guide 114 is designed so that a dirt separation takes place, wherein deposited solid particles remain in the liquid container 64 and settles in particular at its bottom.
  • Suction air, which flows through the liquid filter unit 26, must flow through the liquid in the liquid filter unit 26 and there is a solids deposition. The liquid in the liquid filter unit 26 then has a filtering action through the corresponding deposition. Suction air which flows into the dry filter device 110 via the inlet 112 is then cleaned to a high degree.
  • the additional dry filter device 110 serves to protect the suction unit 30 from any liquid and / or dust loading of sucked suction air.
  • the suction port 106 of the liquid filter unit 26 is a corresponding outlet of the dry filter device 110. Under normal operation, the suction air present at the suction outlet 106 is cleaned of solid particles and is dry.
  • a channel device 118 is disposed on an inner side 116.
  • the conduit means 80 provides the suction air flow effective connection between the liquid filtration unit 26 (its suction outlet 106) and the suction unit 30 (via its port 36).
  • the channel device 118 carries the corresponding suction air flow.
  • the channel device 118 has an inlet 120 for this purpose.
  • This inlet 120 is adapted in shape to the dry filter device 110.
  • an orifice 122 of the inlet 120 has a rectangular cross-section.
  • An orifice wall 124 which is circumferential, is provided with a first seal 126.
  • the first seal 126 in particular comprises a circumferential sealing lip. This circumferential sealing lip is injection-molded, for example, on the outlet wall 124.
  • the first seal 126 seats against a corresponding suction air impermeable part of the dry filter device 110 and provides a fluid tight seal.
  • one or more hold-down elements 128 are arranged. These sit in particular at the inlet 120 of the channel device. When the lid 38 is closed, the hold down member (s) 128 press on the dry filter means 110 and fix it axially thereto.
  • the channel device 18 also has an outlet 130.
  • This outlet 130 is adapted with its mouth shape to the terminal 36 of the suction unit 30. When the lid 38 is closed, the outlet 130 is positioned at the port 36.
  • a second seal 134 At a mouth wall 132 of the outlet 130 sits a second seal 134.
  • This circumferential sealing lip is molded, for example, on the mouth wall 132.
  • the second seal 134 rests on a corresponding wall of the port 36 and a fluid-tight seal is achieved.
  • a fluid-tight channel element 136 which is formed, for example, by a pipe section which is rectangular in cross-section.
  • a suction air stream may flow from the inlet 120 via the channel member 136 to the outlet 130.
  • the channel device 118 provides the flow path between the liquid filter unit 26 and the suction unit 30.
  • the channel device 118 is a member which is fixed to the inside 116 of the lid 38. It is thereby making it possible to optimize the lid 38 in its shape separated from a guide for the suction air.
  • the lid 38 has adapted to the liquid filter unit 26 with its sloping side 90 a sloping side 138.
  • the sloping side 138 is directly opposite the inclined side 90 of the liquid filter unit 26 and, for example, at least approximately parallel thereto.
  • an opening 140 is formed in the sloping side 138 of the lid 38.
  • This opening 140 has, for example, a circular cross-section.
  • the nozzle 142 is formed for example by a tubular element and in particular cylindrical tubular element.
  • a suction hose can be connected to the liquid filter unit 26 through the opening 140 and the nozzle 142.
  • the nozzle 142 is designed so that it rests on the sealing device 100 when the lid 38 is closed. As a result, an environmental seal for an inserted suction hose is achieved (if a suction hose adapted in its dimensions is used).
  • the sealing device 100 serves to fluid seal between the snorkel 94 and the suction inlet 78, so that on the one hand liquid can not escape in this area. On the other hand, the sealing device 100 serves to couple the suction air flow into the snorkel 94 airtight.
  • the sealing device 100 ( FIGS. 10 to 13 ) comprises a sealing body 144.
  • This sealing body 144 is made of an elastic material and in particular rubber-like material or rubber material.
  • the sealing device 100 comprises a first region 146 and a second region 148.
  • the first region 146 is arranged on an outer side of the liquid container 64.
  • the second region 148 is disposed in an inner side of the container.
  • the sealing device 100 is arranged on the wall forming the sloping side 90, wherein a corresponding opening 152 in this wall is outwardly through a corresponding abutment surface 154 of the first area 146 is covered.
  • the contact surface 154 is in particular annular.
  • the opening 152 is covered by a contact surface 156, which is also in particular annular.
  • the contact surfaces 154 and 156 are facing each other.
  • the first region 146 and the second region 148 are integrally formed in one embodiment, that is, a one-piece sealing body is formed. It can also be provided that, for example, the first region 146 forms an integral sealing body 144 on which, for example, also the contact surface 156 is formed, and a sealing lip 158 of the second region 148 is molded onto this sealing body.
  • the first region 146 has an end 160 with a first envelope 162.
  • the first envelope 162 is in particular a plane.
  • the second region 148 has an end 164 with a second envelope 166.
  • the second envelope 166 is in particular at least approximately one plane.
  • the first envelope 162 and the second envelope 166 are at an acute angle 168 to each other.
  • the acute angle is in one embodiment between 10 ° and 20 ° and in particular at about 15 °.
  • the sealing device 100 has a bearing surface 170 on the first region 146.
  • the socket 142 presses on this bearing surface.
  • the first region 146 of the sealing device 100 is provided with recesses 172.
  • recesses 172 There are a plurality of radial, slot-shaped recesses 172 are provided, which are spaced in the circumferential direction. These recesses 172 serve to facilitate the deformability of the sealing device 100.
  • a receiving space 174 which is surrounded by sealing material, and in which a suction hose can be inserted.
  • the rubber material or rubber-like material of the sealing body 144 then ensures a seal between the suction hose and the environment, so that here airtightness is achieved and the only way for the suction flow from the suction hose through the suction inlet 78 into the snorkel 94.
  • the sealing device 100 is pushed onto the tube element of the first region 96 of the snorkel 94, that is to say the first region 96 of the snorkel 94 is correspondingly immersed in the second region 148.
  • the second region 148 encloses closed the tubular element of the first region 96 and the snorkel 94th
  • the second region 148 of the sealing device 100 may be immersed in the tubular element of the first region 96 of the snorkel 94.
  • the sealing device Due to the acute angle 168, the sealing device has an expanding height H (cf. FIG. 12 ).
  • the sealing device 100 is arranged on the oblique side 90, that next to the front side 88, the height is the lowest and then widens in a direction to the top 84 in the height.
  • the sealing device 100 It is characterized by the sealing device 100, a baffle plate 176 is formed.
  • the sealing device 100 is designed as a baffle plate seal.
  • the suction device 10 works as follows:
  • the lid 34 When inserted liquid filter unit 26 in the closed lid 34, the lid 34 acts as a clamping bracket. He presses the liquid filter unit 26 in the holding area 24 and provides for axial fixation. Via the channel device 118, a fluid-effective connection between the suction outlet 106 and the suction unit 30 via the connection 36 is provided.
  • the inlet 120 of the channel device 118 lies in a fluid-tight manner at the suction outlet 106.
  • the outlet 130 of the channel device 118 lies in a fluid-tight manner at the connection 36 for the suction unit 30.
  • the hold down element or elements 128 press the dry filter device 110 into the recess 108, which forms a receptacle for the dry filter device 110.
  • the housing 12 with the lid 38 and the liquid filter unit 26 are adapted and dimensioned so that when positioning the liquid filter unit 26, in which closing of the lid 38 is made possible, automatically the fluid-tight connection between the channel device 118 and the suction outlet 106th and the terminal 36 is made.
  • a suction hose is connected through the opening 140 and thereby immersed in the first region 146 of the sealing device 100. It is achieved by an airtight connection.
  • suction air which is loaded with dirt
  • suction inlet 78 In suction mode, suction air, which is loaded with dirt, is sucked into the liquid filter unit 26 via the suction inlet 78.
  • FIG. 2 a corresponding flow pattern is shown.
  • the suction air flow flows through a water bath, wherein the flow guide is such that a Abscheidefunktion is achieved and solid particles are deposited in the liquid filter unit 26.
  • the suction air flow generated by the suction unit 30 is extracted via the suction outlet 106.
  • the dry filter device 110 serves to protect the suction unit 30.
  • the liquid filter unit 26 can thereby be removed upwards. This is done most conveniently by pivoting the handle 86. By touching the handle then the liquid filter unit 26 can be pulled upwards.
  • the liquid filter unit 26 can be opened by a lock is released and the upper part 76 is removed from the lower part 74.
  • the liquid container 64 is preferably designed such that when the liquid filter unit 26 is placed on a horizontal base, water is only in the lower part 74. The liquid filter unit 26 can then be cleaned.
  • the suction device 10 has a handle 178. This is arranged on the lid 38 opposite the channel device 118. In one embodiment, the handle 178 is centered on lateral sides. When the lid 34 is closed and a fixation of the fixing device 44 is achieved, the suction device 10 can be grasped and transported as a whole via the handle 178. When the fixing is released, for example, a pivoting movement of the cover 38 can be actuated via the handle 178.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filtration Of Liquid (AREA)

Claims (15)

  1. Dispositif d'aspiration, comprenant une unité d'aspiration (30), une enveloppe (12) dans laquelle l'unité d'aspiration (30) est agencée, et une unité de filtration de liquide (26), laquelle est positionnée de manière amovible sur l'enveloppe (12) sur une zone de retenue (24), l'unité de filtration de liquide (26) comportant une entrée d'aspiration (78) et une sortie d'aspiration (106), et un couvercle (38) pouvant être ouvert et fermé étant prévu, lequel est agencé au moins dans une position fermée sur l'enveloppe (12), l'unité de filtration de liquide (26), lorsque le couvercle (38) est fermé, étant positionnée entre le couvercle (38) et la zone de retenue (24), caractérisé en ce qu'un dispositif de canalisation (100) est prévu, lequel est agencé sur le couvercle (38) et comporte une entrée (120) et une sortie (130), l'entrée (120) du dispositif de canalisation (100), lorsque le couvercle est fermé, étant en liaison fluidique avec la sortie d'aspiration (106) de l'unité de filtration de liquide (26) et la sortie (130) du dispositif de canalisation (100) étant en liaison fluidique avec l'unité d'aspiration (30).
  2. Dispositif d'aspiration selon la revendication 1, caractérisé en ce que le couvercle (38) est monté pivotant sur l'enveloppe (12), et en particulier en ce que le couvercle (38) peut pivoter dans une direction s'éloignant de l'unité d'aspiration (30) pour passer de la position fermée dans la position ouverte.
  3. Dispositif d'aspiration selon l'une quelconque des revendications précédentes, caractérisé en ce que dans la position ouverte du couvercle (38), l'unité de filtration de liquide (26) peut être retirée par le haut en étant libérée de la zone de retenue (24).
  4. Dispositif d'aspiration selon l'une quelconque des revendications précédentes, caractérisé en ce que l'enveloppe (12) comprend une première paroi (20), laquelle est espacée d'une deuxième paroi (22), la deuxième paroi (22) délimitant un espace de logement (28) pour l'unité d'aspiration (30) et la zone de retenue (24) étant agencée entre la première paroi (20) et la deuxième paroi (22), une articulation pivotante (40), par l'intermédiaire de laquelle le couvercle (38) est retenu pivotant, étant agencée sur la première paroi (20), en particulier un axe de pivotement (40) de l'articulation pivotante (40) étant au moins presque parallèle à la deuxième paroi (22), et en particulier en ce qu'un dispositif de fixation (44), par l'intermédiaire duquel le couvercle (38) peut être fixé amovible à l'enveloppe (12) dans la zone de la deuxième paroi (22), est agencé sur la deuxième paroi (22) ou sur un élément relié à la deuxième paroi (22).
  5. Dispositif d'aspiration selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un logement pour un dispositif de filtration à sec (110) est agencé sur l'unité de filtration de liquide (24) dans la zone de la sortie d'aspiration (106), et en particulier en ce qu'au moins un élément de retenue (128) pour le dispositif de filtration à sec (110) est agencé sur le couvercle (38), et en particulier en ce que l'élément ou les éléments de retenue (128) sont agencés et/ou formés sur le dispositif de canalisation (100) et en particulier sur l'entrée (120) du dispositif de canalisation (100).
  6. Dispositif d'aspiration selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une ou plusieurs poignées (178) sont agencées sur le couvercle (38) sur une face opposée au dispositif de canalisation (100).
  7. Dispositif d'aspiration selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de canalisation (100) comprend un premier joint (126), lequel est agencé sur l'entrée (120) et sert à assurer une étanchéité fluidique sur la sortie d'aspiration (106) de l'unité de filtration de liquide (26) lorsque le couvercle (38) est fermé.
  8. Dispositif d'aspiration selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de canalisation (100) comprend un deuxième joint (134), lequel est agencé sur la sortie (130) et sert à assurer une étanchéité fluidique sur un raccord (36) pour l'unité d'aspiration (30), et en particulier en ce que le premier joint (126) et/ou le deuxième joint (134) sont formés par une lèvre d'étanchéité, laquelle forme en particulier une courbe fermée, la lèvre d'étanchéité étant en particulier moulée par injection.
  9. Dispositif d'aspiration selon l'une quelconque des revendications précédentes, caractérisé en ce que le couvercle (38) comprend une zone, laquelle est orientée au moins par rapport à une enveloppante au moins presque parallèlement à un fond (16) de l'enveloppe (12), et en ce que le dispositif de canalisation (100) est agencé sur cette zone.
  10. Dispositif d'aspiration selon l'une quelconque des revendications précédentes, caractérisé en ce que le couvercle (38) est réalisé sous la forme d'un étrier de serrage par l'intermédiaire duquel, lorsque le couvercle (38) est fermé, l'unité de filtration de liquide (26) est maintenue par serrage sur l'enveloppe (12).
  11. Dispositif d'aspiration selon l'une quelconque des revendications précédentes, caractérisé en ce que, lorsque le couvercle (38) est fermé, au moins un regard (54) se situe sur l'unité de filtration de liquide (26) entre l'enveloppe (12) et le couvercle (38).
  12. Dispositif d'aspiration selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité de filtration de liquide (26) comprend un contenant de liquide (64), dans lequel est agencé un tuba (94), lequel est relié à l'entrée d'aspiration (78), et en ce qu'un dispositif d'étanchéité (100) est prévu, lequel assure une étanchéité fluidique entre l'entrée d'aspiration (78) et un espace intérieur de contenant sur le tuba (94), et lequel comprend une zone de logement pour un tuyau d'aspiration et, lorsque le tuyau d'aspiration est logé, fournit une étanchéité étanche à l'air sur l'entrée d'aspiration (78), et en particulier en ce que le dispositif d'étanchéité (100) comprend un corps d'étanchéité (144) d'une seule pièce ou un corps d'étanchéité pourvu d'une lèvre d'étanchéité moulée par injection, et en particulier en ce qu'un corps d'étanchéité (144) du dispositif d'étanchéité (100) est fait d'un matériau élastique, et en particulier en ce que le dispositif d'étanchéité (100) est agencé sur le contenant de liquide (64).
  13. Dispositif d'aspiration selon la revendication 12, caractérisé en ce que le dispositif d'étanchéité (100) comprend une première zone (146), laquelle est agencée sur une face extérieure du contenant de liquide (64), et une deuxième zone (148), laquelle est agencée sur une face intérieure du contenant de liquide (64) et est reliée au tuba (94), et en particulier en ce que la première zone (146) comprend une surface d'appui (170) pour une tubulure (142) d'un couvercle (38) de l'enveloppe (12), et en particulier en ce que la première zone (146) comprend au moins un évidement (172) pour une déformabilité, l'évidement ou les évidements (172) étant en particulier orientés radialement et en particulier une pluralité d'évidements (172) espacés étant prévus.
  14. Dispositif d'aspiration selon la revendication 13, caractérisé en ce que la première zone (146) présente une première enveloppe (162) à une extrémité (160) et la deuxième zone (148) présente une deuxième enveloppe (166) à une extrémité (164), la première enveloppe (162) et la deuxième enveloppe (166) formant un angle aigu (168) l'une avec l'autre, l'angle aigu (168) se situant en particulier dans la plage comprise entre 10° et 20°.
  15. Dispositif d'aspiration selon l'une quelconque des revendications 12 à 14, caractérisé en ce que le dispositif d'étanchéité (100) est réalisé sous la forme d'un joint de plaque déflectrice.
EP12794216.7A 2012-11-14 2012-11-14 Dispositif d'aspiration Active EP2919633B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2012/072631 WO2014075719A1 (fr) 2012-11-14 2012-11-14 Dispositif d'aspiration

Publications (2)

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EP2919633A1 EP2919633A1 (fr) 2015-09-23
EP2919633B1 true EP2919633B1 (fr) 2017-01-18

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WO (1) WO2014075719A1 (fr)

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Publication number Priority date Publication date Assignee Title
GB2613551A (en) * 2021-12-03 2023-06-14 Techtronic Cordless Gp Surface cleaning device

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Publication number Priority date Publication date Assignee Title
US5735017A (en) * 1996-03-29 1998-04-07 Bissell Inc. Compact wet/dry vacuum cleaner with flexible bladder
DE19926828A1 (de) 1999-06-12 2000-12-14 Kaercher Gmbh & Co Alfred Staubsauger
DE102004025370B4 (de) * 2004-05-24 2011-09-29 Glen Dimplex Deutschland Gmbh Nass-/Trocken-Abscheideeinheit für einen Haushalts-Bodensauger
DE102004030350A1 (de) 2004-06-18 2006-01-12 Alfred Kärcher Gmbh & Co. Kg Staubsauger
US7779505B2 (en) * 2007-03-09 2010-08-24 Bissell Homecare, Inc. Wet/dry vacuum cleaner

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WO2014075719A1 (fr) 2014-05-22
EP2919633A1 (fr) 2015-09-23

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