EP4137024B1 - Sauggerät mit einem verschlusselement - Google Patents

Sauggerät mit einem verschlusselement Download PDF

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Publication number
EP4137024B1
EP4137024B1 EP22186385.5A EP22186385A EP4137024B1 EP 4137024 B1 EP4137024 B1 EP 4137024B1 EP 22186385 A EP22186385 A EP 22186385A EP 4137024 B1 EP4137024 B1 EP 4137024B1
Authority
EP
European Patent Office
Prior art keywords
suction
suction device
receptacle
closure
closure element
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
EP22186385.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4137024A1 (de
Inventor
Roman Berchtold
Jan Kopf
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.)
Festool GmbH
Original Assignee
Festool GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Festool GmbH filed Critical Festool GmbH
Publication of EP4137024A1 publication Critical patent/EP4137024A1/de
Application granted granted Critical
Publication of EP4137024B1 publication Critical patent/EP4137024B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • 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
    • A47L9/0072—Mechanical means for controlling the suction or for effecting pulsating action
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • A47L5/362—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the horizontal type, e.g. canister or sledge type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • A47L5/365—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the vertical type, e.g. tank or bucket type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
    • A47L9/1409—Rigid filtering receptacles
    • 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
    • A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
    • A47L9/149—Emptying means; Reusable bags
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/22—Mountings for motor fan assemblies

Definitions

  • the invention relates to a suction device with a suction device housing in which a suction turbine is arranged for generating a suction flow, according to the preamble of claim 1.
  • Such a suction device is used, for example, in DE 197 53 668 A1 and has an opening/closing device which comprises a movable plate.
  • the suction hose advantageously forms a component of the suction device and can be detachably arranged on the suction inlet.
  • the provision holder is arranged next to the suction inlet, for example.
  • the provision holder represents a parking position or rest position holder for the closure body.
  • the closure element is thus always on board the suction device and is available at any time to close the dust inlet.
  • the closure element is preferably designed as a one-piece closure element.
  • closure element is made of plastic or a flexible or elastic material.
  • the closure element is movably mounted on the suction device housing by means of a bearing for adjustment between the provision receptacle and the suction inlet.
  • the closure element is mounted directly on the suction device housing, i.e. the suction device housing forms or has, for example, a bearing mount or a bearing part of the bearing for mounting the closure element.
  • a bearing mount separate from the suction device housing is not provided or present in this design.
  • the bearing is or comprises a pivot bearing for pivotably supporting the closure element about a pivot axis, in particular about a single pivot axis.
  • the bearing it is also possible for the bearing to comprise a sliding bearing.
  • a pivot bearing i.e. a pivot bearing, is preferred.
  • the closure body and a bearing projection of the bearing or a bearing receptacle of the bearing are arranged on an arm body of the closure element.
  • the bearing projection or the bearing receptacle and the closure body are advantageously made in one piece with the arm body.
  • the closure element as a whole, including the closure body and the bearing projection or bearing holder, is made of plastic.
  • a bearing receptacle in particular a bore, is arranged on the suction device housing, into which the bearing projection engages.
  • an advantageous concept provides that the arm body has a plate-like or wall-like shape.
  • the arm body is designed in the form of a tab.
  • closure body and the bearing are arranged at opposite longitudinal end regions of the arm body.
  • a preferred embodiment provides that the closure body and a bearing projection of the bearing protrude to the same side of the arm body in the direction of the suction device housing.
  • the bearing projection and the closure body protrude from the advantageously wall-like and/or plate-like in the manner of a pin.
  • the supply receptacle and/or the suction inlet are advantageously designed as plug-in receptacles.
  • the arm body is flexible transversely to its longitudinal axis extending between the bearing and the closure body, such that it can be deformed out of the provision receptacle or into the provision receptacle or out of the suction inlet and into the suction inlet transversely to the longitudinal axis.
  • the arm body can thus be deformed, for example, in the manner of a bending tab, so that, for example, a plug-in movement into or out of the provision receptacle or the suction inlet is possible.
  • the arm body has a Flat shape or a straight or planar shape when the closure body is received in the suction inlet or the delivery receptacle.
  • the bearing by means of which the closure body is movable between the provision receptacle and the suction inlet, has a sliding mobility about a sliding axis parallel or coaxial to the pivot axis of the bearing.
  • the bearing can also enable multi-axis pivoting of the closure body.
  • the suction inlet and/or the provision receptacle preferably have a peripheral wall.
  • the closure body, in particular a peripheral wall of the closure body, advantageously rests against the respective peripheral wall when it is accommodated in the suction inlet or provision receptacle.
  • the closure body advantageously has at least one seal on its outer circumference for sealingly engaging a peripheral wall of the suction inlet and/or for clamping engagement with a peripheral wall of the provision receptacle.
  • the closure body sits in a clamping fit in the suction inlet or the provision receptacle using the at least one seal.
  • the at least one seal can, for example, comprise one or more annular ring contours that protrude outwards in front of the peripheral wall or a peripheral wall of the closure body.
  • a seal can also be arranged on the rest position receptacle and/or on the suction inlet.
  • the closure body it is also possible for the closure body to have a smooth or even peripheral wall that does not include or have any sealing contours or sealing projections.
  • the provision receptacle advantageously has a bottom wall. It is expediently provided that a bottom wall of the closure body of the bottom wall opposite the deployment receptacle when the closure body is accommodated in the deployment receptacle.
  • the handle is preferably arranged on the closure body, in particular arranged in an interior of the closure body.
  • the closure body has a cylindrical shape.
  • the handle is preferably arranged in the interior of a cylindrical peripheral wall of the closure body. It is advantageous if the handle does not protrude in front of the arm body. The handle therefore does not form an obstacle if, for example, a container attachment or other dust collection container, as will become clear below, is stacked on a part of the suction device housing that has the closure element.
  • the operator immerses himself, so to speak, in the closure body when he grasps the handle.
  • the handle may, for example, have a base wall which has a pressure actuating surface for pressing the closure body into the suction inlet or the delivery receptacle.
  • the operator can press on a surface of the closure body extending next to the handle, for example the bottom wall surface, for example in order to press the closure body into the provision receptacle or into the suction inlet.
  • the handle has opposite side walls that can be gripped in the manner of a clamping grip or pliers grip and/or can be actuated towards each other by a clamping action to reduce or eliminate a clamping fit of the closure body in the provision receptacle or the suction inlet.
  • the side walls extend approximately parallel or inclined at a slight angle to each other from the aforementioned base wall of the handle in the direction of a bottom wall. of the closure body. The operator can move the two side walls towards each other, for example.
  • the side walls are connected to a peripheral wall of the closure body via the base wall, for example, so that a force acting on the side walls of the handle towards each other causes the peripheral wall of the closure body to move away from a peripheral wall of the suction inlet or the supply receptacle.
  • the closure element is arranged on an outer wall of the suction device housing.
  • the outer wall is preferably a cover wall or a wall on a lid of the suction device.
  • the closure element, in particular its arm body has a flat shape so that the closure element can lie flat against the outer wall of the suction device housing.
  • a preferred measure provides that a receptacle, in particular a receptacle recess, is arranged on the outer wall for receiving the closure element.
  • the closure element receptacle is designed, for example, as a receiving trough or the like. It is preferred if the suction inlet and/or the provision receptacle extend away from the closure element receptacle or receptacle recess, in particular in the direction of an interior of the suction device housing.
  • a depth of the closure element receptacle of the suction device is at least as large as a height of the part of the closure element received in the closure element receptacle, so that the closure element, when received in the closure element receptacle, does not protrude from a surface of the outer wall.
  • the suction device housing is designed as a stacking housing designed to form a housing stack extending in the direction of a stacking axis, under which at least one stacking container can be stacked and/or on which at least one stacking container can be stacked.
  • the stacking container is, for example, another suction device.
  • the stacking container is, for example, a transport container for a machine tool, in particular for an abrasive and/or cutting machine tool, for example a grinding machine or sawing machine. The dust or particles that arise when the grinding machine or sawing machine is operated can be sucked up using the suction device.
  • the stacking housing and the other stacking container can optionally engage with each other in a form-fitting manner using form-fitting contours arranged on the vacuum cleaner's stacking housing and the stacking container, so that they hold together in a form-fitting manner transversely to the stacking axis.
  • feet can be arranged on one stacking container or stacking housing and receptacles for the feet can be arranged on the other stacking container or stacking housing that supports or accommodates the feet, and these engage with each other in a form-fitting manner.
  • the suction device is advantageously provided with coupling means for coupling the suction device housing to a stacking container stacked on top or underneath along the stacking axis, wherein the coupling means of the suction device and the suction device housing are designed to interact with coupling means of the stacking container, so that the suction device housing is firmly connected to the stacking container transversely to the stacking axis and parallel to the stacking axis by means of the coupling means.
  • the coupling means advantageously comprise rear gripping contours arranged on the stacking container and stacking housing, which can be brought into engagement and disengaged from one another transversely to the stacking axis.
  • the coupling means can comprise, for example, one or more locking elements, in particular at least one pivoting bolt and at least one locking projection with which the pivoting bolt can be brought into engagement.
  • the suction device comprises a container attachment which can be stacked along the stacking axis as a stacking container on the suction device housing or can be stacked under the suction device housing, wherein the container attachment and the suction device housing have the coupling means for firmly coupling the suction device housing with the container attachment parallel and transverse to the stack axis, and wherein the container attachment has a receiving space for at least one component, in particular a suction hose, of the suction device.
  • the container attachment preferably has a passage opening which is aligned with the suction inlet of the suction device housing when the container attachment is arranged on the suction device housing, wherein the passage opening is provided and designed for the passage and/or insertion of a suction hose.
  • the closure element receptacle and/or the suction inlet and/or the provision receptacle are preferably arranged on a cover wall of the suction device housing, which is opposite a stacked stack container, in particular the container attachment, when the housing stack is formed.
  • the closure element receptacle and/or the provision receptacle are preferably covered or can be covered by the stacked stack container or container attachment.
  • the vacuum cleaner advantageously has a dust collection container arranged in the dust collection chamber or providing the dust collection chamber, which can be removed from the vacuum cleaner housing, in particular designed in the manner of a cassette.
  • a dust collection container arranged in the dust collection chamber or providing the dust collection chamber, which can be removed from the vacuum cleaner housing, in particular designed in the manner of a cassette.
  • An energy storage device intended for power supply preferably comprises an energy storage housing, in the interior of which an arrangement of battery cells for providing electrical energy is arranged.
  • At least one device interface for detachable connection to an energy storage interface of the energy storage device is provided on the housing of the suction device of the electrical device, wherein the interfaces comprise contact arrangements for establishing electrical connections via the interfaces.
  • the energy storage housing has, for example, longitudinal side walls that extend between end walls.
  • the longitudinal side walls and the end walls are arranged, for example, between a base wall and an interface wall that are opposite one another and, together with these walls, delimit an interior space of the energy storage housing.
  • the energy storage device advantageously comprises a fan for generating a cooling air flow, which can flow into the energy storage housing via an energy storage inlet opening and flow out of the energy storage housing via an energy storage outlet opening.
  • a suction device 10 has a suction device housing 20 in which a suction turbine 11 of the suction device 10 is accommodated.
  • the suction turbine 11 can generate a suction flow S which can flow into the suction device housing 20 through a suction inlet 12.
  • a suction hose SL can be connected to the suction inlet 12.
  • the suction flow S flows through a dust collection chamber 21 of the suction device housing 20, in which particles contained in the suction flow S, for example dust, can be collected.
  • a filter element 13, for example a plate filter, is arranged between the suction turbine 11 and the dust collection chamber 13, so that particles contained in the suction flow S are retained in the dust collection chamber 21. Downstream of the filter element 13, the suction flow S flows through the suction turbine 11 and flows out of the suction device housing 20 via an air outlet 22.
  • the suction device 10 is a mobile electrical device that can be easily brought to its place of use.
  • the suction device housing 20 is, for example, box-shaped and compact.
  • the suction device 10 can be placed on a surface with its underside 14.
  • the suction inlet 12 is arranged on an upper side 15 of the suction device 10, which is opposite the underside 14.
  • the suction device 10 or its suction device housing 20 has longer longitudinal sides 16 and 17, of which the longitudinal side 16 forms, for example, a front side and the longitudinal side 17 a rear side of the suction device 10.
  • the dust collection chamber 21 and a suction turbine part 24 are provided, in which the suction turbine 11 is accommodated.
  • the suction device housing 20 comprises a bottom wall 25 from which peripheral walls protrude, namely front and rear longitudinal side walls 26, 27 on the longitudinal sides 16 and 17 as well as longitudinal side walls 28 and 29 extending between the longitudinal side walls 26 and 27 on the longitudinal sides 18 and 19, which as a whole enclose the housing interior 23.
  • a flow opening 32 for the suction flow S is provided on the intermediate wall 30, through which the suction flow S can flow from the dust collection chamber 21 in the direction of the suction turbine part 24, which has a suction turbine receiving chamber 31 in which the suction turbine 11 is accommodated.
  • the intermediate wall 30 could also be referred to as a bulkhead which, apart from the flow opening 32 and further small outflow openings 98, 108 to be described below, separates the suction turbine part 24 from the dust collection chamber 21.
  • the suction flow S flows out of the suction turbine receiving space 31 via the air outlet 22.
  • the suction turbine part 24 and in particular the suction turbine receiving space 31 are closed by a cover wall 34, while the dust collection space 21 is open on its side opposite the bottom wall 25, e.g. at the top in the position of use.
  • the air outlet 22 is arranged, for example, on one of the peripheral walls of the suction device housing 20, for example the front longitudinal side wall 26, although the longitudinal side walls 27 or 28 could also have an air outlet. In any case, it is advantageous if the air outlet 22 is not arranged on the base wall 25 and/or on the cover wall 34, although both are possible in principle.
  • the dust collection chamber 21 has a receiving compartment 35 for a dust collection container 36.
  • the dust collection container 36 serves to collect dirt.
  • a filter bag can also be arranged in the dust collection container 36 or the dust collection chamber 21.
  • the dust collection container 36 is designed, for example, as a type of cassette or module which can be removed from the suction device housing 20 in order, for example, to empty dust from the dust collection container 36.
  • the dust collection container 36 has a bottom wall 37, side walls 38 and 39 protruding from the bottom wall and a filter holder 40 for the filter element 13, which delimit an interior space 43 of the dust collection container 36.
  • the filter element 13 is opposite the side wall 39.
  • the side walls 38 extend between the filter holder 40 and the side wall 39.
  • the side walls 38, 39 and an upper wall of the filter holder 40 delimit a receiving opening 41, which is opposite the bottom wall 37.
  • the dust collection container 36 is therefore open at its top.
  • a carrying handle 42 in the form of a handle is pivotally attached to the side walls 38 by means of pivot bearings 42A, with which the dust collection container 36 can be grasped.
  • the carrying handle 42 When the carrying handle 42 is pivoted out, it can be grasped by an operator.
  • the carrying handle 42 When the dust collection container 36 is inserted into the receiving compartment 35, the carrying handle 42 can be pivoted in the direction of the filter holder 40 so that the carrying handle 42 does not protrude or protrudes insignificantly in front of the receiving opening 41.
  • the carrying handle 42 pivoted in the direction of the filter holder 40 locks the dust collection container 36 in the receiving compartment 35.
  • the filter element 13 is expediently tensioned in the direction of the intermediate wall 30, so that a flow connection is established between the interior 43 of the dust collection container 36 and the flow opening 32 and thus the suction turbine 11 via the filter element 13.
  • the suction turbine part 24 and the dust collection chamber 21 form components of a housing lower part 44 of the suction device housing 20.
  • the housing lower part 44 can be closed by a cover 45.
  • the suction device housing 20 is open or when the cover 45 is in the open position OD, the receiving compartment 35 is open in order to insert the dust collection container 36 into the receiving compartment 35 or to remove it from it.
  • the cover 45 has a cover body, e.g. a cover wall 46, which comprises a suction turbine section 47 and a closure section 48.
  • the Suction turbine section 47 is assigned to the suction turbine part 24 and is opposite the cover wall 34 when the cover 45 is closed.
  • the closure section 48 has a seal 49 with which the interior 43 of the dust collection container 36 can be closed.
  • the seal 49 rests, for example, on the front sides of the side walls 38 and 39 and opposite a side wall delimiting the filter holder 40 and in particular on these side walls 38, 39 and the outer circumference of the filter holder 40, so that the closure section 48 tightly closes the dust collection container 36.
  • the cover 45 can be locked to the housing lower part 44 in a closed position SD of the cover 45 by means of a locking device 50.
  • the locking device 50 comprises a locking element 51 which is pivotably mounted on the cover 45 and which, in a locking position, is in engagement with a locking element 52 on the housing base 44 and can be pivoted into a release position in which it is disengaged from the locking element 52.
  • the locking element 51 is thus designed in the manner of a pivot bolt.
  • the locking element 52 is arranged on the longitudinal side wall 26 of the housing base 44.
  • the locking element 52 is designed, for example, as a locking projection.
  • the locking element 51 is arranged on a front side of the cover 45 associated with the front side or front longitudinal side 16 of the suction device 10.
  • the cover 45 is pivotally connected to the housing base 44 by means of pivot bearings 53 and can be pivoted between its open position OD and its closed position SD.
  • the pivot bearings 53 are arranged, for example, on the longitudinal side wall 27, in particular its upper end face or narrow side.
  • a band 53A optionally present between the cover 45 and the housing base 44, which can be attached, for example, to the cover wall 34 and a wall opposite it.
  • Wall surface of the closure portion 48 limits the pivoting path of the lid 45 in the direction of its open position OD.
  • the rear gripping contours 56A, 54A form components of coupling means 58.
  • the coupling means 58 for coupling containers or suction device housings 20 stacked on top of one another further comprise a locking element 59, which is arranged on the housing lower part 44 in the manner of the locking element 52, but not close to the free front side of the longitudinal side wall 26, but close to the bottom wall 25.
  • the locking element 51 also forms a component of the coupling means 58.
  • the containers or suction device housings 20 are also coupled to one another in the area of the front side or front longitudinal side 16, thus providing a tensile connection of these suction device housings 20 in the direction of the stack axis. SR or manufactured in stacking direction.
  • the suction inlet 12 can be closed by a closure element 60.
  • the closure element 60 has a closure body 61 which can be inserted into the suction inlet 12.
  • the closure body 61 is thus designed as a plug-in projection or plug-in body.
  • the closure element 60 is movably mounted on the suction device housing 20 between a closure position V and a release position FS by means of a bearing 62, wherein the closure element 60 closes the suction inlet 12 in the closure position V and releases it in the release position FS.
  • the suction inlet 12 is free or open for arranging, in particular for inserting, the suction hose SL.
  • the bearing 62 is, for example, a pivot bearing by means of which the closure element 60 is pivotably mounted about a pivot axis SC.
  • the pivot axis SC is, for example, orthogonal to the upper surface of the top side 45A of the cover 44 or to the upper surface of the suction device housing 20.
  • the bearing 62 comprises a bearing projection 63 on the closure element 60, which engages in a bearing receptacle 64 on the top side 15 of the lid 44.
  • the bearing receptacle 64 is designed, for example, as a through-opening on the lid body or the cover wall 46.
  • the bearing projection 63 penetrates the through-opening.
  • the arm body 65 is preferably plate-like and/or is designed in the manner of a tab.
  • the lid 45 and thus the suction device housing 20 have a closure element receptacle 67 for the closure element 60.
  • the closure element receptacle 67 is designed as a recess on the top side 45A of the lid 45.
  • An upper side 66 of the closure element 60 facing away from the top side 45A of the lid 45 does not protrude in front of the top side 45A of the lid 45 or protrudes behind this top side 45A, which is not shown in the exemplary embodiment, but is an option.
  • the top side 45A of the lid 45 is therefore available for stacking another container or suction device housing 20 or also the container attachment 200 explained below, without the closure element 60 representing an interfering contour.
  • the closure element receptacle 67 is, for example, approximately triangular in plan view, with the bearing 62 arranged in one corner region of this triangle and the suction inlet 12 and a provision receptacle 68 arranged in the other corner regions.
  • the provision receptacle 68 is also designed as a plug-in receptacle and has a peripheral wall 69 and a base 70.
  • the suction inlet 12 is designed as a plug-in receptacle with a peripheral wall 71, into which either the form-fitting body 61 or the suction hose SL can be inserted.
  • the closure body 61 projects in front of the arm body 65 in the manner of a closure projection and has a peripheral wall 72 and a base 73.
  • a grip section 74 projects from the base 70 into an interior space delimited by the peripheral wall 72, which forms a handle 74A for gripping the closure element 60.
  • the closure body 61 preferably the closure element 60 as a whole, consists of a flexible material which on the one hand enables a clamping or sealing fit in the suction inlet 12 or the provision receptacle 68, but on the other hand also enables convenient handling.
  • the arm body 65 is flexible so that the closure body 61 can be moved out of the suction inlet 12 or the delivery receptacle 68 by bending the arm body 65.
  • a correspondingly movable bearing or pivotable bearing on the bearing 62 would also be possible in order to not only pivot the closure element 60 back and forth about the pivot axis SC between the provision receptacle 68 and the suction inlet 12, but also to pivot it transversely to the pivot axis SC out of engagement or into engagement with the provision receptacle 68 and the suction inlet 12.
  • the closure element 60 can be movably mounted in the bearing receptacle 65 about a pivot axis SQ running transversely to the pivot axis SC, so that the closure element 60 can be moved away from the top side 45A out of engagement with the suction inlet 12 or the provision receptacle 68.
  • the bearing projection 63 can have a significantly smaller diameter than the bearing receptacle 64 and thus have a movement play transversely to the pivot axis SC in the bearing receptacle 64.
  • the handle section 74 comprises a base wall 75 from which side walls 76 protrude.
  • the base wall 75 and the side walls 76 form a configuration that is approximately U-shaped or V-shaped in cross section.
  • the side walls 76 extend between the base wall 75 and the bottom 73 of the closure body 61.
  • the base wall 75 and the bottom 70 are, for example, parallel to one another.
  • the side walls 76 lie opposite the peripheral wall 72 of the closure body 61.
  • the side walls 76 are advantageously long enough that the handle section 74 extends to the arm body 65.
  • the base wall 75 is approximately flush with the arm body 65 and/or with the top 45A of the lid 45. This makes it easier to grip the handle 74A.
  • a seal 77 for example in the form of ribs or sealing projections 77A, which rests against the peripheral wall 71 or the peripheral wall 72 in a sealing seat or clamping seat when the closure body 61 is inserted into the provision receptacle 68 or the Suction inlet 12 engages.
  • the closure body 61 is thus reliably held in the provision receptacle 68 or the suction inlet 12.
  • the seal 77 ensures that the suction inlet 12 is sealed when no suction hose SL is inserted, so that no dust or other similar dirt can get out of the dust collection container 36 or the dust collection chamber 21 into the environment. Nevertheless, the operator can easily operate the closure element 60 from the provision receptacle 68 into the suction inlet 12 or vice versa.
  • Insertion into the provision receptacle 68 or the suction inlet 12 is achieved, for example, by a pressure actuation DV on the base wall 75 of the handle section 74.
  • the handle section 74 can namely be grasped with a clamp-like gripping movement and pulled out of the suction inlet 12 or the provision receptacle 68 against the actuation direction of the pressure actuation DV.
  • the side walls 76 are parallel to one another or, as in the exemplary embodiment, inclined at a small angle to one another, so that an operator can grip the two side walls 76 like a clamp when gripping the handle section 74 and move them towards one another, for example by applying pressure DO.
  • sections of the peripheral wall 72 and thus of the seal 77 are actuated away from the peripheral wall 71 or 72, so that the clamping fit of the closure body 61 on the provision receptacle 68 or the suction inlet 12 is eliminated or at least less firm.
  • the side walls 76 give way under pressure when the operator acts on them and form grip recesses, so that handling is made even easier.
  • rib structures or similar other gripping structures can of course also be provided on the handle section or handle of a closure element may be provided to facilitate handling.
  • the suction device 10 advantageously has a container attachment 200 or is compatible with a container attachment 200.
  • the container attachment 200 preferably has the same contour as the suction device housing 20 on its outer circumference.
  • the container attachment 200 can be stacked on the suction device 10, namely its suction device housing 20, and connected to it using the coupling means 58 already explained.
  • the container attachment 200 comprises a suction device housing 220 with a bottom wall 225, from which longitudinal side walls 226, 227, 228 and 229 protrude, which together delimit a receiving space 223 of the container attachment 200.
  • the receiving space 223 is suitable for receiving the suction hose SL.
  • a handle 224 protrudes from the base wall 225 into the receiving space 223.
  • the handle 224 is designed like a handle, so that the container attachment 200 attached to the suction device housing 20 serves as a carrying handle for carrying a stack 9 consisting of suction device 10 and container attachment 200. This forms a suction device housing 20 stack housing 20A.
  • the container attachment 200 forms a stack container 200A.
  • the suction hose SL can be wound around the handle 224 so that it serves as a winding aid.
  • a passage 222 for the suction hose SL is provided on the bottom wall 225 and is aligned with the suction inlet 12 when the container attachment 200 is attached to the suction device 10. Furthermore, a lateral passage 221 for the suction hose SL is provided on the longitudinal side wall 28.
  • Locking elements 251, 259 are provided on the longitudinal side wall 226 as coupling means 58, which are identical in construction and/or compatible with the locking elements 51 and 59.
  • the locking element 51 of the suction device 10 can be brought into engagement with the locking element 259. to form the stack 9 consisting of suction device 10 and stacked container attachment 200.
  • the coupling means 58 also easily bring about a firm connection between the container attachment 200 and the suction device housing 20 transversely to the stacking axis SR.
  • Further containers for example containers for transporting tools, can be stacked on or under the stack 9, which can be coupled to the container attachment 200 or the suction device housing 20 using coupling means compatible with the coupling means 58.
  • the container attachment 200 can also be arranged under the suction device housing 20 and connected to it using the coupling means 58 to form a stack.
  • a further container attachment 200 not shown in the drawing or a further suction device 10 not shown can be placed, for example, on the Figure 6 upper container attachment 200 and coupled thereto by means of coupling means which are compatible with the coupling means 58, forming a stack.
  • energy storage units 170 are available for the power supply.
  • energy storage units 170A, 170B are available for the power supply.
  • the power supply device 80 comprises an energy storage receptacle 81 in the region of the suction turbine part 24.
  • the energy storage receptacle 81 extends between the longitudinal side wall 28 and the intermediate wall 30 almost over the entire distance between the longitudinal side wall 28 and the intermediate wall 30, so that two energy stores 170 can be arranged in the energy storage receptacle 81.
  • the energy storage receptacle 81 comprises an insertion opening 82 through which the energy storage devices 170 can be inserted into the energy storage receptacle 81.
  • the insertion opening 82 is delimited by side walls 83, 84 which run alongside the side wall 28 of the suction device housing 20 and the intermediate wall 30 of the suction device housing 20, in particular parallel to the same.
  • a side wall or connecting wall 85 located closer to the cover 45 and a side wall or thick wall 86 closer to the base wall 25 or formed by the base wall 25 extend between the side walls 83 and 84.
  • the energy storage receptacle 81 is delimited by a base wall 87 which is opposite the insertion opening 82.
  • Interfaces 90 are arranged on the side walls 83, 84, to which the energy storage devices 170 can be connected, which have energy storage interfaces 190 matching the interfaces 90.
  • the interfaces 90, 190 comprise complementary longitudinal guide contours 91, 191 that can be inserted into one another along a plug-in axis SA.
  • the longitudinal guide contours 91, 191 comprise longitudinal grooves and longitudinal projections that can engage with one another.
  • the interfaces 90, 190 can be connected to one another in a form-fitting manner, apart from a sliding mobility along the respective plug-in axis SA.
  • the interfaces 90, 190 comprise locking devices 92, 192 for locking the energy storage devices 170 to the device interfaces 90.
  • the locking devices 92 are designed, for example, as locking receptacles 93 into which locking projections 193 of the locking devices 192 can engage in a locking manner, so that the energy storage devices 170 are held at the interfaces 90 in a displacement-proof manner with respect to the plug-in axis SA.
  • the locking projections 193 are, for example, spring-loaded or resiliently flexible in the direction of their locking position in which they engage in the locking receptacles 93 and can be disengaged from the locking receptacles 93 against the aforementioned spring load.
  • the interfaces 90, 190 comprise contact arrangements 94, 194 to establish electrical connections between the energy storage device 170 and the suction device 10.
  • the contact arrangements 94, 194 comprise, for example, energy supply contacts 95, 195 with different polarity, for example a positive potential and ground, as well as data contacts 96, 196 for data transmission between the suction device 10 and the respective energy storage device 170.
  • Such a data transmission provides, for example, a digital bus data transmission, in particular with an I2C bus.
  • Each energy storage device 171 has an energy storage housing 171 which comprises longitudinal side walls 172 on its longitudinal sides 172A and end walls 173, 174 extending between them.
  • a base wall 175 extends between the side walls 172-174 and, opposite this, an interface wall 176 on which the energy storage interface 190 is arranged.
  • the interface wall 176 can have a stepped shape so that, for example, the data contacts 196 have a greater distance from the bottom wall 175 than the power supply contacts 195.
  • the energy supply contacts 195 and the data contacts 196 are arranged one behind the other with respect to the plug-in axis SA.
  • the data contacts 196 are arranged at the front with respect to the plug-in direction along the plug-in axis SA, i.e. closer to the front wall 173, while the supply contacts 195 are arranged at the back in the plug-in direction along the plug-in axis SA, i.e. near the front wall 174.
  • the energy storage housing 171 has an interior 177 in which battery cells 178 are arranged, protected from environmental influences. However, the battery cells 178 heat up, for example, when charging or discharging, i.e. when the suction device 10 is operated using the energy storage 170.
  • a cooling air flow KLA in the case of the energy storage 170 and a cooling air flow KLB in the case of the energy storage 170B flows through a respective energy storage 170 from back to front in relation to the plug-in direction or plug-in axis SA.
  • the device interfaces 90 are arranged on opposite sides of the energy storage receptacle 81, namely on the side walls 83 and 84. Accordingly, the energy storage devices 170 are accommodated in the energy storage receptacle 81 with opposite bottom walls 175.
  • the receptacles 81 allow for convenient handling because there are control spaces 88 and 89 between the connecting walls 85, 86 and the energy storage devices 170 inserted into the energy storage receptacle 81, into which an operator can reach to operate the control elements 197, which have, for example, pressure surfaces or touch surfaces.
  • the control spaces 88 and 89 are, so to speak, uniform or continuous control spaces because there is no separating component between the energy storage devices 170 accommodated in the energy storage receptacle 81.
  • the operator can grasp the energy storage devices 170, for example, by their long side walls 172 in order to remove them from the energy storage receptacle 81.
  • operation is also made easier when inserting the energy storage devices 170 into the energy storage receptacle 81 because in this case too, the operator can grasp the long side walls 172 in order to connect a respective energy storage device 170 to the device interface 90 assigned to it.
  • Outlet openings 97 and 98 are used to remove the cooling air flows KL of the energy storage units 170 arranged at the device interfaces 90. These outlet openings are arranged close to the device interfaces 90 and thus close to the energy storage outlet openings 181 of the energy storage units 170 on the side walls 83 and 84 of the energy storage receptacle 81.
  • the outlet openings 97 and 98 are referred to below as receptacle outlet openings due to their arrangement in the energy storage receptacle 81 and are located close to the bottom wall 87, so that little or no heat builds up in the energy storage receptacle 81.
  • the intake/outflow opening 98 opens directly into a gap between the intermediate wall 30 and the filter element 13, so that a cooling air channel 99 is formed between the intermediate wall 30 and the filter element 13, which leads from the intake/outflow opening 98 to the flow opening 32 on the intermediate wall 30.
  • a cooling air flow KLA of the energy storage device 170 arranged on the side wall 84 can thus flow out of the intake/outflow opening 98 and is sucked away by the suction turbine 11 via the cooling air channel 99.
  • the suction turbine 11 can even increase the cooling air flow KLA, which is indicated schematically by arrows.
  • the energy storage device 170B can be cooled by a cooling air flow KLB, which can flow out of the energy storage device holder 81 through the receiving outflow opening 97.
  • the receiving outflow opening 97 forms a channel inflow opening 97A for a cooling air channel 100.
  • cooling air channel 100 does not lead directly to the flow opening 32, but opens into a further cooling air channel 101, which serves to cool further components of the suction device 10, for example for cooling a power supply device 140 and also for permanent cooling of the suction turbine 11.
  • Such permanent cooling of the suction turbine 11 is particularly important if it cannot otherwise suck in sufficient air on the inflow side. Such a situation occurs, for example, if the suction inlet 12 is blocked or blocked, if the filter element 13 is no longer permeable, if the dust collection chamber 21 is overfilled or the like.
  • a seal 11E is provided between, on the one hand, the intermediate wall 30 and, on the other hand, the front side of the suction turbine 11 facing the intermediate wall 30 and having the suction turbine inflow opening 11A, so that it lies tightly against the intermediate wall 30 and the suction flow S can flow through the flow opening 32, but does not flow into the suction turbine receiving space 31 in which the suction turbine 11 is arranged.
  • the suction turbine receiving space 31 is delimited in the area of the suction turbine outlet openings 11B by a side wall 31A.
  • a suction turbine bearing element 11F is advantageously arranged, which is elastically flexible, so that this suction turbine bearing element 11F and the seal 11E mount the suction turbine 11 in the suction device housing 20 in a vibration-damped manner.
  • the suction turbine 11 has a schematically illustrated fan 11C and an electric drive motor 11D for driving the fan 11C.
  • the drive motor 11D is cooled by the suction flow S during normal operation of the suction device 10, i.e. when the suction flow S is flowing.
  • the suction device 10 has a power supply device 140.
  • the power supply device 140 comprises, for example, one or more power electronic semiconductor elements 141, for example thyristors, MOSFETs or the like.
  • the semiconductor elements 141 heat up during operation, namely when power is supplied to the suction turbine 11.
  • the power supply device 140 is arranged on a circuit board 104, which is arranged in a sandwich-like manner between the longitudinal side wall 28 and the side wall 83 of the energy storage receptacle 81 of the power supply device 80.
  • the circuit board 104 also extends partially into a gap between the side wall 28 and the side wall 31A.
  • the power supply device 140 is connected to the device interfaces 90A, 90B, in particular the energy supply contacts 95, by means of lines 143. Lines 144 connect the power supply device 140 to the suction turbine 11.
  • the suction device 10 advantageously has a controller 150.
  • the controller 150 comprises, for example, a processor 151 and a memory 152 in which at least one control program 153 is provided for controlling, for example, the suction turbine 11.
  • An operator can control the suction device 10 using control elements 155 arranged on a control wall 156.
  • the control wall 156 is arranged on the side wall 28.
  • the control 150 is electrically connected to the operating elements 155.
  • the suction device 10 can be switched on or off, for example, using the operating elements 155.
  • the power of the suction turbine 11 can be adjusted using the operating elements 155.
  • a display 157 is advantageously provided on the control panel 156, for example to display a status of the suction device 11.
  • the control unit 150 also generates heat, the dissipation of which is advantageously solved in the suction device 11, as will become clear below.
  • the cooling air channel 101 is fluidically connected to the intake/outlet opening 97. Air can thus flow into the cooling air channel 101 via the intake/outlet opening 97, for example the cooling air flow KLB. However, the cooling air flow KLB is already heated by the cooling of the energy storage device 170B.
  • Ambient air i.e. generally cooler air
  • the duct inlet opening 102 is arranged, for example, close to the bottom wall 25 on a region of the longitudinal side wall 28 facing the bottom wall 25.
  • a protective grille 102A is advantageously arranged on the duct inlet opening 102.
  • the cooling air flow KLC flows through the channel inlet opening 102 into a channel section 103A of the cooling air channel 101, which runs between the circuit board 142 and the side wall 31A.
  • the cooling air flow KLC therefore flows behind the circuit board 142 or the cooling air flow KLC flows past the circuit board 142.
  • the channel section 103A is selected such that the cooling air flow KLC essentially flows past the power supply device 140, i.e. in particular past the semiconductor elements 141, which become particularly warm when the suction device 11 is operated. However, such warming and, in the worst case, heating is effectively counteracted by the cooling air flow KLC.
  • the channel section 103A opens into a hose receptacle 104 in which a hose 110, thus a tubular body 110A for guiding cooling air, is accommodated.
  • the hose holder 104 has, for example, a plug-in receptacle 105 into which the hose 110 is inserted, as well as an air guide surface 106 on a wall 107.
  • the cooling air flow KLC flowing out of the channel section 103A is guided via the air guide surface 106 into an inlet opening 111 of the hose 110. There is a gap between the inlet opening 111 and the air guide surface 106 or the wall 107 so that the cooling air flow KLC can flow unhindered into the inlet opening 111.
  • a plug-in stop 105A is located opposite the plug-in receptacle 105, against which a jacket of the cooling air hose 110 can strike when plugged into the plug-in receptacle 105.
  • the plug-in stop 105A is at a distance from the air guide surface 106.
  • the inlet opening 111 cannot be closed by the air guide surface 106 because of the plug-in stop 105A.
  • the cooling air flow KLB can flow past the circuit board 142 and/or into the inlet opening 111 of the cooling air hose 110 in a gap between the circuit board 142 and the cover wall 34, so that the cooling air hose 110 guides both the cooling air flow KLB and the cooling air flow KLC in the direction of the channel outlet opening 108.
  • the cooling air hose 110 thus provides a common channel section 103B for the cooling air flows KLB and KLC.
  • the cooling air hose 110 has a hose section 112 which directs the cooling air flow KLC and/or the cooling air flow KLB to the suction turbine receiving space 31 to a channel outflow opening 108, which is arranged on the intermediate wall 30 and opens into the space between the intermediate wall 30 and the filter element 13. There, the cooling air flow KLC and/or the cooling air flow KLB can flow in the direction of the throughflow opening 32 in order to be sucked off by the suction turbine 11.
  • the hose section 112 has an arcuate shape. An end region 113 of the hose section 112 is held in the region of the channel outflow opening 108 in a receptacle 109, which is designed, for example, as a plug-in receptacle.
  • cooling air flow KLC cools the power supply device 140, but also the suction turbine 11.
  • the cooling air channels 99 and 100 advantageously have smaller flow cross-sections than the cooling air channel 101.
  • the cooling air channel 101 cools the power electronics, e.g. the semiconductor elements 141. This measure helps to ensure that sufficient cooling air flows through the cooling air channel 101 and not, so to speak, past it through the cooling air channels 99 and/or 100.
  • the channel inlet openings 97A, 98A and 102 are permanently open.
  • the cooling air flows KLA, KLB and KLC can permanently contribute to cooling the suction turbine 11.
  • a sensor 154 is arranged on the suction turbine 11, the sensor signals of which are evaluated by the controller 150.
  • the sensor 154 comprises or is, for example, a temperature sensor and/or pressure sensor and/or flow sensor. Due to the permanent cooling of the suction turbine 11 using the cooling air flows KLA, KLB and KLC, even when the suction flow S is interrupted is or is not flowing, there is sufficient flow pressure at the sensor 154 so that it can report valid temperature signals to the controller 150.
  • controller 150 is designed to monitor a volume flow of the suction flow S, for example using the at least one control program 153.
  • the suction flow S has a volume flow VS, which has a pressure-dependent curve depending on a pressure P.
  • a characteristic curve VK of a volume flow of the suction flow S is in Figure 28 shown schematically.
  • the volume flow VS has, for example, values VS1, VS2 and VS3 in liters per second.
  • the suction flow S should not fall below a minimum speed of, for example, 20 m/s, so that, for example, a so-called dust class is maintained, according to which the suction device 10 always ensures sufficient suction for this dust class.
  • the required minimum speed of the suction flow S results in a minimum value VSmin for the volume flow of the suction flow S, which, for example, is approx. 10 l/s for a hose diameter of 27 mm of the suction hose SL.
  • the controller 150 can determine a characteristic curve VK of the volume flow of the suction flow S based on motor characteristic curves MK1 and MK2 as well as other motor characteristic curves of the drive motor 11D of the suction turbine 11 (not shown in the drawing), because both the characteristic curve VK and the motor characteristic curves MK1 and MK2 have a substantially constant, in particular substantially linear, course in the area relevant for monitoring the volume flow or the flow velocity of the suction flow S.
  • the motor characteristics MK1 and MK2 are dependent on voltages U1 and U2 with which the drive motor 11D is operated.
  • the motor characteristics MK1 and MK2 are proportional to a current profile of the motor current Imot with which the drive motor 11D is energized by the current supply device 140.
  • the controller 150 controls the current supply device 140 and receives from it as feedback, for example, the respective motor voltage applied, for example the motor voltages U1 and U2, as well as the respective motor current Imot for current supplying the drive motor 11D.
  • the controller 150 recognizes that the flow velocity of the suction flow S is too low and issues a warning on the display 157, for example. In this case, the controller 150 can alternatively or additionally also issue an acoustic warning on a loudspeaker or other acoustic output means 158.
  • the carrying strap 350 can be attached either to the suction device 10 or to the container attachment 200.
  • the carrying strap 350 has a fastening device 340 at each of its longitudinal end regions.
  • the fastening devices 340 can be engaged with fastening receptacles 300 of the suction device 10 or with fastening receptacles 320 of the container attachment 200 as required.
  • the fastening devices 340 have base bodies 341 which are designed like plates.
  • the base bodies 341 have rear gripping contours 342 on their longitudinal sides, which, in cooperation with rear gripping contours 302 of the fastening receptacle 300, serve as longitudinal guides along which the fastening devices 340 can be inserted into a respective fastening receptacle 300 along a plug-in axis S300.
  • the base body 341 In the front insertion direction with respect to a plug-in axis S300, the base body 341 has a further rear gripping contour 343, the front section 343A of which strikes a stop 303 of the fastening receptacle 300 at the end of the insertion movement along the plug-in axis S300.
  • a latch 304 of the fastening receptacle 300 which can be actuated by means of an actuating surface or actuating contour 305, can reach its locking position in which it moves behind and/or over a rear gripping contour 344 of the fastening device 340.
  • the rear gripping contour 343 and the rear gripping contour 344 extend between the rear gripping contours 342.
  • the rear gripping contour 343 and the rear gripping contour 344 are arranged at opposite longitudinal end regions of the base body 341.
  • the fastening receptacles 320 are also designed as plug-in receptacles.
  • a fastening device can be inserted into a respective fastening receptacle 320 340 can be inserted along a quick-release axis S320 or moved out of the fastening holder 320 along the quick-release axis S320.
  • the rear gripping contours 343 and 344 of the fastening device 340 act as longitudinal guide contours which can engage with longitudinal guide contours or rear gripping contours 322 of the fastening receptacle 320 and guide the fastening device 340 along the plug-in axis S320.
  • One of the rear gripping contours 342 of the fastening device 340 which is at the front in the plug-in direction with respect to the plug-in axis S320, strikes a stop 323 on the bottom or end of the fastening receptacle 320 with respect to the plug-in axis S320.
  • a rear gripping contour can optionally be provided there to accommodate this rear gripping contour 342.
  • a latch 346 of the fastening device 340 can then also come into engagement with a locking contour 324 of a locking element 325 of the fastening receptacle 320, so that the fastening device 340 is locked in the fastening receptacle 320.
  • the latch 346 is designed as a resilient tongue or resilient element with respect to the base body 341 and has an actuating surface 345 with which it can be brought out of engagement with the locking contour 324 of the fastening receptacle 320, which is indicated by an arrow or an actuation BE2 in the drawing.
  • the fastening devices 340 have belt receptacles 347 for the carrying strap 350.
  • the carrying strap 350 can, for example, be pushed through a through opening 348 of a belt receptacle 347 and be held frictionally in place on the belt receptacle 347 by appropriate loop measures.
  • the fastening receptacles 320 of the container attachment 200 are located on the longitudinal side walls 228 and 229 in such a way that the carrying strap 340 can be brought into engagement with the fastening receptacles 320, bridging the receiving space 223 of the container attachment 200.
  • the stack 9 can thus hang down from the carrying strap 350 and be carried comfortably.
  • the fastening receptacles 300 allow the suction device 10 to be carried like a shoulder bag.
  • the fastening receptacles 300 are arranged on one of the long side walls 26, 27, 28 or 29, specifically on the long side wall 26 in the embodiment. In any case, it is advantageous if the fastening receptacles 300 are arranged on the narrow sides of the suction device housing 20.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Refuse Collection And Transfer (AREA)
  • Cleaning In General (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Manipulator (AREA)
  • Packages (AREA)
EP22186385.5A 2021-08-20 2022-07-22 Sauggerät mit einem verschlusselement Active EP4137024B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021121709.1A DE102021121709A1 (de) 2021-08-20 2021-08-20 Sauggerät mit einem Verschlusselement

Publications (2)

Publication Number Publication Date
EP4137024A1 EP4137024A1 (de) 2023-02-22
EP4137024B1 true EP4137024B1 (de) 2024-07-17

Family

ID=82701725

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22186385.5A Active EP4137024B1 (de) 2021-08-20 2022-07-22 Sauggerät mit einem verschlusselement

Country Status (8)

Country Link
US (1) US20230073581A1 (enExample)
EP (1) EP4137024B1 (enExample)
JP (1) JP2023029314A (enExample)
CN (1) CN115919183A (enExample)
AU (1) AU2022209262A1 (enExample)
DE (1) DE102021121709A1 (enExample)
DK (1) DK4137024T3 (enExample)
FI (1) FI4137024T3 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1020146S1 (en) * 2021-11-05 2024-03-26 Festool Gmbh Vacuum cleaner
US20250286351A1 (en) * 2024-03-05 2025-09-11 Hong Liu Co., Ltd. Dust-proof filter structure for power supply panel

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780395A (en) * 1952-11-14 1957-02-05 Raymond M Schlabach Container closure construction
DE4138223C1 (en) * 1991-11-21 1993-02-18 Alfred Kaercher Gmbh & Co, 7057 Winnenden, De Vacuum cleaner with cleaning unit for filter - has separate filters closing through holes in parallel between dust collector and suction unit
KR200155821Y1 (ko) * 1997-05-12 1999-10-01 최진호 원격제어 진공청소기
DE10029225C2 (de) * 2000-06-14 2002-10-24 Wap Reinigungssysteme Verfahren und Vorrichtung zur Filterabreinigung für Staubsauger mittels Druckstoß
DE102011015574B4 (de) * 2011-03-30 2022-11-24 Festool Gmbh Sauggerät mit einem Motorsensor
US8833587B2 (en) * 2011-12-12 2014-09-16 Keepcup Pty Ltd. Reusable beverage cup
DE102012100047B4 (de) 2012-01-04 2021-12-09 Miele & Cie. Kg Akkutischsauger mit einem Staubrückhalteventil
DE102013012242A1 (de) * 2013-07-23 2015-01-29 Festool Gmbh Sauggerät mit einem Saugeinlass
US10494151B2 (en) * 2014-04-01 2019-12-03 Gpcp Ip Holdings Llc Reclosable cup lid

Also Published As

Publication number Publication date
DE102021121709A1 (de) 2023-02-23
US20230073581A1 (en) 2023-03-09
CN115919183A (zh) 2023-04-07
JP2023029314A (ja) 2023-03-03
FI4137024T3 (fi) 2024-09-27
AU2022209262A1 (en) 2023-03-09
DK4137024T3 (da) 2024-08-19
EP4137024A1 (de) 2023-02-22

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