EP3185743A1 - Buse d'aspiration et appareil d'aspiration de surfaces dures - Google Patents

Buse d'aspiration et appareil d'aspiration de surfaces dures

Info

Publication number
EP3185743A1
EP3185743A1 EP14758373.6A EP14758373A EP3185743A1 EP 3185743 A1 EP3185743 A1 EP 3185743A1 EP 14758373 A EP14758373 A EP 14758373A EP 3185743 A1 EP3185743 A1 EP 3185743A1
Authority
EP
European Patent Office
Prior art keywords
suction
suction nozzle
elements
joint
hartflächenabsauggerät
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.)
Granted
Application number
EP14758373.6A
Other languages
German (de)
English (en)
Other versions
EP3185743B1 (fr
Inventor
Bernd Gruber
Jürgen ZUGER
Heiko Schneider
Tony DIEGEL
Sandra Bartel
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 EP3185743A1 publication Critical patent/EP3185743A1/fr
Application granted granted Critical
Publication of EP3185743B1 publication Critical patent/EP3185743B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L1/00—Cleaning windows
    • A47L1/02—Power-driven machines or devices
    • A47L1/05—Hand apparatus with built-in electric motors
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4044—Vacuuming or pick-up tools; Squeegees

Definitions

  • the present invention relates to a suction nozzle, in particular for a portable Hartzanabsaug réelle comprising a suction device, which suction nozzle has a suction opening, which is followed by a suction channel whose suction port remote from the suction port end is connectable to the suction device.
  • the present invention relates to a Hart vomabsaug réelle with a suction device and connected to the suction or connectable suction duct connection, which is connected to a Saugkanalende a suction channel of a suction port having a suction nozzle or connectable.
  • Hard surface cleaning devices are particularly known in the form of Hartvidab- suction devices of the type described above. These are used, for example, as so-called window vacs. Slices or hard surfaces of all kinds, which are wetted with cleaning fluid in particular, can be easily and quickly cleaned with such devices with no streaks.
  • a suction nozzle of the type described above according to the invention that between the suction port and the Saugkanalende a joint is arranged or adapted to move the suction opening relative to the Saugkanalende and that a blocking device is provided for non-positive and / or positive locking of the joint in at least one blocking position.
  • the inventively proposed training known suction nozzles makes it possible in particular to change an orientation or orientation of the suction opening relative to the Saugkanalende means of the joint.
  • the suction nozzle is coupled to a hard-surface suction device, which may be designed to be portable in particular, then the suction opening can be changed in its orientation relative to the housing in accordance with the design of the joint due to the joint.
  • the hinge may define a pivot axis so that the suction port and the hard surface aspirator are relatively rotatable or pivotable about the pivot axis.
  • the suction nozzle with the suction opening in a certain direction, however, the Hart vomabsaug réelle or the housing thereof can be pivoted about the pivot axis, so that it can be pivoted away, in particular in the ground-level area of vertical hard surfaces.
  • This makes it possible in particular to suck a floor-deep window in a train from top to bottom for cleaning streak-free.
  • the further provided blocking device makes it possible in particular, a mobility of the joint quasi off.
  • the blocking device can also be designed such that it defines more than one blocking position, for example two, three, four, five or even more blocking positions.
  • a user of the Hartvidabsaug réelles adjust an orientation of the suction opening relative to the housing of Hartvidaug réelles so temporarily or permanently, as it is optimal for his individual operation, for example, on the size and range of the user and how strong he is is.
  • the suction nozzle comprises a wiper lip and a support lip, which wiper lip and which support lip define the suction opening between them.
  • the wiper lip and the support lip are flexible and / or elastic.
  • the wiper lip and the support lip permit optimum sealing of the suction nozzle relative to the hard surface to be suctioned off in order to be able to extract cleaning liquid with a suction power which is as low as possible between the wiper lip and the support lip on the hard surface to be suctioned off.
  • This is particularly advantageous for portable, powered by a battery with electrical energy, off-grid Hart vomabsaugowski advantageous, as for example, a deployment time of the devices can be optimized.
  • the suction nozzle comprises a support lip receptacle for the support lip and / or a wiper lip receptacle for the wiper lip and if the joint is arranged or formed in the region of the support lip receptacle and / or the wiper lip receptacle. In this way, a particularly compact suction nozzle can be formed.
  • the handling of the Hart vomabsaug réelles changes so practically not for a user. Also, the construction of the device can be substantially the same.
  • the joint is arranged or formed as close as possible to the suction opening, so that no strong deformation of the wiper lip and the support lip is required in order to significantly opposite to a wiper lip edge of the wiper lip and a support lip edge of the support lip, the housing of Hart vomabsaug réelles - - pivot to avoid obstacles, such as a floor when cleaning floor-to-ceiling windows.
  • a joint is arranged or formed between the suction channel connection and the suction device in order to move the suction channel connection relative to the suction device and that a blocking device is provided for non-positive and / or positive locking Blocking of the joint in at least one blocking position.
  • Hartvidabsaug réelle allows a change in the orientation between the Saugkanalan gleich and the suction device.
  • the suction device can be arranged, for example, in a housing of the hard surface suction device, so that the suction channel connection can be changed relative to the housing by means of the joint in its orientation.
  • Such trained Hartvidabsaug réelle also makes it possible to couple conventional suction nozzles in unmodified form with the Hartvidabsaug réelle and an orientation of the suction nozzle, which can be coupled immovably in particular with the Saugkanalan gleich, relative to the suction and in particular to the housing of Hartvidabsaug réelles.
  • the housing are pivoted away relative to the suction, for example, so as to allow for example floor to ceiling windows optimal extraction to the ground at a constant angle to the hard surface aligned suction nozzle.
  • a blocking position or even a plurality of blocking positions can be defined with the blocking device, in order to limit some or all of the mobility of the joint.
  • the hard surface suction device preferably has a suction nozzle with a suction opening, to which a suction channel adjoins, the suction channel end facing away from the suction opening being connected or connectable to the suction channel connection.
  • the suction nozzle may be releasably connectable to the hard surface suction device or a housing thereof to be able to use different widths suction nozzles for the suction of hard surfaces can. Even damaged suction nozzles can then be easily replaced.
  • the suction nozzle comprises a wiper lip with a wiper lip edge and a support lip with a support lip edge and if the wiper lip and the support lip define the suction opening between them.
  • the wiper lip and the support lip allow optimal sealing of the suction nozzle relative to the hard surface in order to be able to extract cleaning liquid between the wiper lip and the support lip on the hard surface to be suctioned off with the lowest possible suction power.
  • this is advantageous for increasing a deployment time.
  • the Hartvidabsaug réelle comprises a housing in which the suction device is arranged or formed, wherein the suction nozzle is coupled in a working position with the housing and separated in a disconnected position from the housing.
  • the housing can in particular be designed ergonomically for optimized handling of the Hartvidabsaug réelles.
  • a handle for holding and guiding the Hartvidabsaug réelles may be provided on the housing.
  • the suction opening is formed at least partially rectilinear or curved.
  • the suction opening may be formed curved to a curvature of a hard surface adapted. - -
  • the joint defines at least one pivot axis.
  • the parts of the suction nozzle or of the hard surface suction device which are coupled to one another via the joint can be pivoted relative to one another about the at least one pivot axis.
  • the joint can also define a plurality of pivot axes that are transverse to each other.
  • the at least one pivot axis extends parallel or transverse to the suction opening. In particular, it can run perpendicular to the suction opening. If the pivot axis runs parallel to the suction opening, it can in particular also run parallel to the wiper lip and / or parallel to the support lip, so that an intuitive operation of the hard surface suction device is made possible for the user.
  • a particularly flexible alignment between the Hart vomunabsaug réelle and the suction nozzle can be achieved when the joint is in the form of a ball joint.
  • the joint comprises a pivot bearing.
  • the pivot bearing for example, define a single pivot axis or - - but also several swivel axes.
  • the pivot bearing may be designed in the form of a ball joint bearing.
  • the joint comprises first and second, mutually engaging and cooperating joint elements, which are pivotable in an adjustment position relative to each other about the at least one pivot axis.
  • the two joint elements can be easily form a joint, depending on the design of the joint elements, for example, as a ball joint or as a pure, a single pivot axis defining swivel joint.
  • the blocking device comprises a locking mechanism having first and second locking elements, which are engaged in at least one locking position, in particular form-fitting, and are disengaged in the adjustment that the first and second locking elements on the one hand are associated with the first joint element and on the other hand the second joint element and that in the at least one locking position, the first and second joint elements are immovably held together.
  • the locking mechanism makes it possible in particular to block the joint in at least one locking position in a defined manner. In particular, two, three, four or more locking positions can be defined by the locking mechanism. This can be achieved in particular via the structural design of the first and second locking elements.
  • the locking mechanism allows a user to fully re-release the joint on the suction nozzle or hard surface aspirator so as to allow for mobility dictated by the joint, or to temporarily or permanently block the joint, particularly through the engaged first and second locking elements to lock.
  • the hinge can be locked when the locking mechanism is designed in the form of a Rastverstellmechanismus with first and second locking elements, which form the first and second locking elements.
  • the latching elements can in particular be designed such that they engage in a form-fitting manner and can disengage the latching adjustment mechanism only for an active release, that is to say an active disengagement, in order to move the articulation.
  • the first and second locking elements may also be designed such that they can be disengaged by applying a certain torque about a pivot axis of the joint and, if appropriate, automatically engage again in a further locking position.
  • the first and second latching elements comprise at least one row of teeth having at least one latching tooth.
  • the number of ratchet teeth of the row of teeth can define the number of possible locking positions.
  • the first and second latching elements in the form of rows of teeth may be formed with two or more ratchet teeth.
  • the locking mechanism comprises at least one biasing element which holds the first and second locking elements in a basic position of the locking mechanism in the locking position.
  • the at least one biasing element may, for example, form part of a biasing device which serves exactly the purpose described.
  • the first and second locking elements against the action of the biasing element from the locking position can be converted into the adjustment position.
  • the one locking element against a force exerted by the biasing element, the one locking element must be relatively - - are moved to the other locking element to disengage them.
  • a particularly compact construction of the suction nozzle or of the hard surface suction device can be achieved if the prestressing element is arranged or formed on the first or second joint element or on the first or second locking element.
  • the biasing element may be formed integrally with the first or second hinge element or the first or second locking element.
  • a one-piece design can be achieved in a simple manner by producing the respective parts by means of a plastic injection molding process.
  • the suction nozzle or the hard surface suction device can be produced particularly easily if the prestressing element is designed in the form of a spring; in particular, the spring can be in the form of a leaf spring or helical spring.
  • the blocking device comprises a clamping mechanism with first and second clamping elements, which cooperate with each other to specify an adjustment force required for adjusting the joint.
  • the clamping mechanism thus makes it possible, in particular, to positively lock the joint or to release it completely. Furthermore, it is also possible with the clamping mechanism to achieve an adjustment of the joint against a clamping force defined by the clamping mechanism.
  • the first and second clamping elements cooperate with each other, that is, for example, pressed against each other, so an adjusting force for moving the joint can vary and in principle be adjusted continuously.
  • first and second clamping elements relative to each other - are arranged movable or formed.
  • they can be arranged to be displaceable and / or pivotable.
  • a clamping force acting between the first and second clamping elements can be varied in defined steps or steplessly.
  • an adjustment of the joint can be achieved in different power levels or specified with virtually any set forces.
  • first and second clamping elements engage and cooperate in at least one clamping position in such a way that the first and second hinge elements are held immovably relative to one another. In this way, the joint of the suction nozzle or the Hart vomabsaug réelles can block completely.
  • first and second clamping elements cooperate in the adjustment position of the joint such that the first and second hinge elements are movable relative to each other against a clamping force effect of the first and second clamping elements, and / or if the first and second clamping elements in the adjustment except Engage.
  • the clamping elements can cooperate in the adjustment position, so that the first and second hinge elements can be moved relative to each other only against the acting clamping force.
  • the clamping mechanism comprises at least one biasing element, which holds the first and second clamping elements in a basic position of the clamping mechanism in the at least one clamping position.
  • the at least one biasing element thus acts in particular such that the first and second clamping elements cooperate with each other and occupy a clamping position.
  • a clamping force is thus - - Defined directly or proportionally to the biasing force exerted by the biasing element.
  • first and second clamping elements can be moved against the action of the biasing element from the clamping position into the adjustment position.
  • the clamping mechanism can thus be completely or partially deactivated when the first and second clamping elements are moved against the action of the biasing member relative to each other. Partial deactivation means in particular that a clamping force between the first and second clamping elements is reduced.
  • the biasing element is arranged or formed on the first or second joint element or on the first or second clamping element.
  • the biasing element may be formed integrally with the first or second hinge element or with the first or second clamping element.
  • a production can be simplified if the biasing element is formed integrally with one of the hinge elements or one of the clamping elements, for example by injection molding of a plastic.
  • a compact design of the suction nozzle or the Hart vomab- suction device can be achieved in particular by the biasing element is in the form of a spring.
  • the spring is in the form of a leaf spring or a coil spring.
  • the suction nozzle or the hard surface suction device comprises an anti-blocking device for deactivating the blocking device in a deactivation position.
  • the anti-lock device makes it possible in particular to completely deactivate the blocking device. It is then present, but does not perform any function.
  • the blocking device can be permanently deactivated with the antilock device. This - - may be advantageous if a permanent mobility of the joint is desired.
  • the anti-lock device can be brought from the deactivation position into an activation position for activating the blocking device.
  • the anti-lock device comprises at least one anti-lock element for deactivating the blocking device in the deactivation position.
  • the blocking device can in particular be deactivated in a simple manner by the anti-lock device is transferred to the deactivation position.
  • the at least one anti-lock element from the deactivation position in the activation position can be brought to activate the blocking device.
  • the blocking device can be quasi re-activated with the at least one anti-lock element.
  • the suction nozzle or the hard surface suction device can be handled in a particularly manner if the at least one anti-blocking element is arranged or designed to be movable on the suction nozzle or on the hard surface suction device.
  • the at least one anti-lock element can be arranged and / or designed to be displaceable and / or pivotable. For activating or deactivating the blocking device, it is therefore only necessary in particular to move the at least one antilocking element, for example to move it and / or to pivot it.
  • Locking elements and / or with one of the clamping elements and / or with one of the biasing elements cooperatively arranged or formed to hold the first and second locking elements and / or the first and second clamping elements in the anti-lock position out of engagement.
  • This embodiment allows a particularly compact design of the suction nozzle or Hartfiambaenabsaug réelles.
  • the Antibiockiereiement can be held against the action of a biasing element in the blocking position and / or in the activation position.
  • the biasing element of the locking mechanism or the biasing element of the clamping mechanism can be used as a biasing element.
  • the blocking device comprises at least one actuating element for transferring the blocking device of the at least one blocking position in the adjustment position in which the joint is movable.
  • the at least one actuating element By operating the at least one actuating element, for example by pressing it, an operator can thus move the blocking device from the at least one blocking position into the adjustment position or a release position, move the joint and then no longer actuate or release the at least one actuating element in order to restore the blocking device in a blocking position to convict. With appropriately arranged biasing elements this can be done automatically.
  • the at least one actuating element with one of the locking elements and / or with one of the clamping elements and / or with one of the biasing elements cooperatively arranged or formed to the first and second locking elements and / or the first and second clamping elements due to a Disengage operation.
  • the Hart vomunabsaug réelle is designed in the form of a window suction.
  • the Hartvidabsaug réelle be portable and / or network-independent. Hard surfaces, for example, can be easily and effectively cleaned without the hassle of cables.
  • FIG. 1 is a perspective view of a hard surface suction device
  • FIG. 2 is a perspective view of a first embodiment of a suction nozzle
  • FIG. 3 shows an exploded view of the suction nozzle shown in FIG. 2;
  • FIG. 4 shows a partially exploded view of the arrangement from FIG. 3 in FIG.
  • Figure 5 is a sectional view taken along line 5-5 in Figure 4;
  • Figure 6 is a view similar to Figure 5, in which the suction nozzle is a second
  • FIG. 7 shows a view similar to FIG. 6 with the blocking device permanently deactivated by means of an anti-blocking device, which assumes a deactivation position; - -
  • FIG. 8 shows a partially cutaway perspective view of an anti-knocking element and a part of the housing of the suction nozzle.
  • Figure 9 a partially sectioned side view of the suction nozzle with the
  • FIG. 1 schematically shows a portable hard surface cleaning device 10, specifically in the form of a hard surface suction device 12 designed as a portable handset that can be operated independently of the mains, with which liquid can be extracted from a hard surface, for example water from a window pane.
  • the Hartvidabsaug réelle 12 can be held by a user with one hand on a handle 14 thereof and guided in the manner of a conventional, having a rubber lip puller on the hard surface along.
  • the Hart vomunabsaug réelle 10 includes a housing 16 which also forms the handle 14 and a suction device 18 with a suction turbine 20 and an electric motor 22 for driving the same receives.
  • the housing 16 is also at least one rechargeable battery, in particular a lithium-ion battery, arranged to supply power to the electric motor 22nd
  • the housing 16 further defines a standing surface 26, which allows the Hart vomabsaug réelle 12 in an upright position, as shown schematically in Figure 1, on a footprint, such as a table surface, to be able to set.
  • a recess is formed, in which a removable dirty liquid tank 28 is arranged. It serves to accommodate
  • the housing 16 of the hard-surface suction device 12 can be detachably connected to a suction nozzle 30.
  • the suction nozzle 30 can be removed from the housing 16.
  • the suction nozzle 30 comprises a suction nozzle housing, designated overall by the reference numeral 32, which is formed in several parts.
  • a suction channel 36 is arranged or formed, the rear end, also referred to as Saugkanalende 38, with the housing 16 or a hinge unit 48 can be coupled. In this way, the suction channel end 38 of the suction channel 36 is coupled to the suction device 18.
  • the suction channel 36 defines, with its end remote from the suction channel end 38, a suction opening 40 which extends rectilinearly, optionally also curved, and which is formed between a wiper lip 42 and a support lip 44 cooperating therewith.
  • the wiper lip 42 and the support lip 44 are formed of a flexible material.
  • the Hart vomunabsaug réelle 12 further includes a hinge 46. It is formed on the hinge unit 48 and includes a first hinge member 50 with a receptacle 52 for the Saugkanalende 38 of the suction nozzle 30 and a second hinge member 54 with a coupling device 56 for coupling the second hinge member 54 with a in the figures, not shown suction channel connection, which is arranged or formed on the housing 16 of the Hart vomabsaug réelles 12.
  • the first and second hinge members 50 and 54 together form the hinge 46. It is designed in the form of a pivot joint 58 which defines a single pivot axis 60 which is parallel to one of the stripping axes. - - Lip 42 defined Abstreiflippenkante 62 and thus also parallel to the suction port 40 extends.
  • the pivot joint 58 comprises a pivot bearing 64 with two first bearing elements 66 on the first joint element 50 and two second bearing elements 68 on the second joint element 54.
  • the first bearing elements 60 are in the form of short cylindrical sleeve sections 70 facing away from each other in a direction towards the second hinge member 54 facing, elastic support member 72 are formed.
  • the second joint element 54 comprises two joint element parts 74 and 76 which can be brought into engagement with one another in a form-fitting manner. These each comprise one of the two second bearing elements 68.
  • the second bearing elements 68 are in the form of mutually facing sleeve sections 78 whose inside diameter substantially corresponds to an outside diameter of the sleeve sections 70 so that the sleeve portions 70 can be inserted into receptacles 80 formed by the sleeve portions 78.
  • the longitudinal axes of the sleeve sections 70 and 78 thus define the pivot axis 60.
  • the first and second hinge members 50 and 54 are each made of plastic injection molded parts.
  • the suction channel 36 extends through the hinge unit 48 therethrough.
  • a channel end 82 of the second joint element 54 pointing in the direction of the housing 16 is then coupled to the suction device 18 via the suction channel connection.
  • the receptacle 52 which in cross-section is substantially elongated oval and parallel to the pivot axis 60, has an annular groove 86 running around on the outside of a sleeve-shaped channel section 84 on its end pointing in the direction of the second joint element 54.
  • the annular groove 86 serves to couple the channel section 84 to a flexible and / or elastic tube section 88 of the suction channel 36.
  • the tube section 88 points Its end pointing in the direction of the first joint element 50 has an annular bead 92 pointing in the direction of a longitudinal axis 90 thereof.
  • the tube section 88 is dimensioned such that the annular bead 92 can be connected in a clamping manner to the channel section 84.
  • On the second joint member 54 is a self-contained, in the direction of the first joint member 50 toward pointing projection 94 is formed, which carries a circumferential, away from the longitudinal axis 90 nose 96.
  • a circumferential nose receptacle 98 corresponding to the nose 96 is formed on an end facing away from the annular bead 92.
  • the tube portion 88 and the projection 94 are sized so that the tube portion 88 can be slipped over the projection 94 so that the circumferential nose 96 engages the nose receptacle 98.
  • a continuous flow channel 100 is thus formed through the joint 46.
  • the joint 46 could be designed in the form of a ball joint or in the form of a pivot joint with a pivot axis which extends transversely, in particular vertically, to the suction opening 40 or the wiper lip edge 62.
  • the Hart vomunabsaug réelle 12 further includes a blocking device 102 for positive and / or positive locking of the joint 46 in at least one blocking position.
  • the blocking device 102 defines a total of four blocking positions.
  • the blocking device 102 comprises a locking mechanism 104 with first and second locking elements 106 and 108. These are designed such that they can be engaged in at least one exemplary embodiment illustrated in the figures in a total of four locking positions. - -
  • FIGS. 5 and 6 show two different locking positions.
  • FIG. 7 schematically shows how the first and second locking elements 106 and 108 are disengaged and occupy an adjustment position of the blocking device 102.
  • the first locking elements 106 are assigned to the first joint element 50 or formed thereon.
  • the second locking elements 108 are assigned to the second joint element 54 or formed thereon. In the locking positions, the first and second hinge elements 50 and 54 are immovably held together.
  • the locking mechanism 104 is in the form of a Rastverstellmechanismus 110 with first and second locking elements 112 and 114 is formed.
  • the first and second latch members 112 and 114 define the first and second latch members 106 and 108.
  • the first latching element 112 is formed in the form of a row of teeth 118 with a plurality of latching teeth 116. Between the locking teeth 116 a total of four locking recesses 120 are formed on the row of teeth 118, in which the second locking element 114, which is in the form of an elongated cylindrical pin 122, can engage in a locking position.
  • the first locking elements 106 are integrally formed on the first joint element 50 pointing in the direction of the annular groove 86, in a recess 124 in mutually parallel side walls 126 of the first joint member 50th
  • the locking mechanism 104 further includes a biasing member 128. It is in the form of a curved leaf spring 130 which is centrally located below the second detent member 114 and has two free ends 132 which abut a support wall 134 extending substantially parallel to the row of teeth 118. - -
  • the biasing member 128 is configured to press the second locking member 108 toward the first locking members 106 in a home position. It thus holds the locking mechanism 104 in one of the locking positions.
  • the blocking device 102 further comprises an actuating element 136 in the form of a pivotable about a pivot axis 138 pivotally mounted actuating knob 140.
  • This has from a bottom projecting from a bottom parallel to the pivot axis 138 open, hollow cylindrical bearing shaft receiving 142, which corresponds to a formed on the second joint member 54, cylindrical bearing shaft 144 is formed.
  • An opening width of the bearing shaft receptacle 142 is slightly smaller than a diameter of the bearing shaft 144, so that the actuating knob 140 with the bearing shaft receptacle 142 can be latched onto the bearing shaft 144.
  • a carrier plate 146 is substantially following a curvature of the actuating head 140 and formed substantially parallel to the support wall 134.
  • the support plate 146 carries along its projecting free end 148, the second locking element 114th
  • the deformed biasing element 128 forces the first locking element 106 toward the second locking elements 108 again and preferably between two locking teeth 116 into one of the locking recesses 120.
  • the blocking device 102 is now completely blocked again.
  • a change in an orientation of the suction nozzle 30 relative to the housing 16 can only take place when the first and second locking elements 106 and 108 have been disengaged by actuation of the actuating element 136.
  • the blocking device 102 may alternatively be formed such that the locking mechanism 104 is triggered by applying a corresponding torque to the hinge elements 50 and 54 relative to each other about the pivot axis 60. This can then be achieved, for example, by allowing the locking elements 106 and 108 to slide on one another.
  • Corresponding shapes for forming the locking elements 106 and 108 are familiar to the person skilled in the art.
  • the actuator 136 is cooperatively disposed with the latch members 106 and 108 and the biasing member 128 and is configured to disengage the first and second latch members 106 and 108 as a result of actuation.
  • the blocking device 102 optionally also comprises a clamping mechanism 150 with first and second clamping elements 154 and 156, which are formed in particular by the first and second locking elements 106 and 108. They interact with each other to specify an adjustment force required for adjusting the joint 46. They are also arranged or formed movable relative to each other. In the embodiment shown in the figures, a clamping force acting between the first and second clamping elements 154 and 156 is infinitely variable. Alternatively, it can be provided changeable in defined steps. - -
  • the first and second clamping members 154 and 156 engage and cooperate in a clamping position such that the first and second hinge members 50 and 54 are immovably held relative to each other. In the embodiment shown in the figures, this can be achieved in particular by supporting the locking elements 106 and 108. Alternatively, directly attacking each other
  • Clamping elements 154 and 156 may be provided, which cooperate purely non-positively, without entering into a positive connection.
  • the clamping elements 154 and 156 in the adjustment position of the joint 46 can then cooperate such that the first and second hinge elements 50 and 54 are movable relative to each other against a clamping force action of the first and second clamping elements 154 and 156. Further, the first and second Clamping elements 154 and 156 are completely disengaged in the adjustment position, so in particular do not touch.
  • a biasing member 158 formed by the leaf spring 130 serves. It holds the first and second clamping elements 154 and 156 in a basic position of the clamping mechanism 152 in a clamping position.
  • the first and second clamping elements 154 and 156 can also be transferred from the clamping position into the adjustment position against the action of the biasing element 158.
  • the blocking device 102 may optionally also comprise two independently acting locking mechanisms and clamping mechanisms which are not formed by the same parts or elements. So a redundant construction can be achieved. - -
  • the hard surface suction device 12 further comprises an anti-lock device 160 for deactivating the blocking device 102 in a deactivation position. It comprises an anti-lock element 162, which is movably mounted on the first joint element 50. It can be brought from an activation position, as shown schematically in FIGS. 5 and 6, into a deactivation position, as shown schematically in FIG.
  • the anti-lock element 162 has two end edges 164 projecting in the direction of the carrier plate 146, which are formed substantially parallel to the support wall 134.
  • Side walls 166 of the anti-lock member 162 have a slot 168 formed between two projections 170 and 172 which project away from the side walls 166 away from each other.
  • the slot 168 is oriented toward the end edges 164 of the side walls 166.
  • first joint member 50 On the first joint member 50 is further from an end wall 174, which points in the direction of the suction nozzle 30, in the opposite direction, ie in the direction of the second joint member 54 out, a support wall 176 protruding, which engages from below into the anti-lock member 162. From the support wall 176 extending parallel to each other two side walls 178, which are spaced by a gap 180 of further side walls 182. Each side wall 166 engages one of the gaps 180 between the side walls 178 and 182.
  • a projection 184 obliquely in the direction of the support wall 134 facing out, which is formed corresponding to the slot 168 and can engage in these in the deactivation.
  • the anti-lock element 162 is held by the first locking element 106, which abuts against the end edges 164 by the biasing element 128.
  • the antilocking element 182 can now be pushed away from the end wall 174 on the supporting wall 176, specifically until a locking tooth 192 projecting from the projection 172 in the direction of the actuating surface 186 engages in a recess 190 provided on the side wall 182. In this position, shown in FIG. 7, the front edges 164 protrude so far that the carrier plate 146 can not be moved further in the direction of the row of teeth 118. The first locking element 106 can thus no longer be brought into engagement with the second locking elements 108.
  • the blocking device 102 is permanently deactivated by the anti-lock device 160 as described. There is now a continuous pivoting of the hinge elements 50 and 54 relative to each other about the pivot axis 60 possible, in the context of the predetermined end stop positions, ie in a predetermined angular range.
  • the hard surface cleaning device 10 is designed in particular in the form of a window vacuum 194, which allows easy cleaning, in particular vertical hard surfaces, for example of window panes, into a floor-deep area due to the intended joint 46, by changing an orientation of the housing 16 and the suction nozzle 30th relative to each other. If no pivoting between the suction nozzle 30 and the housing 16 is desired, the hinge 46 can be locked or blocked by means of the blocking device 102.
  • a joint can also be arranged or formed in the region of a wiper lip receptacle 196 for receiving a rear region of the wiper lip 42 or in the region of a support lip receptacle (not illustrated in the figures). In this case, the joint would then be arranged or formed completely on the suction nozzle 30.
  • the exemplary embodiment of a hard surface suction device 12 shown in the figures has the joint 46 either on the suction nozzle 30 or on the hard surface suction device 12, depending on whether the joint unit 48 is coupled to the suction nozzle 30, as shown for example in FIG with the housing 16, in which case the suction nozzle 30 can be uncoupled from the joint unit 48, namely from the first joint element 50. In this case, the joint 46 would then be arranged on the hard surface suction device 12 or coupled to its housing 16.

Landscapes

  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Manufacturing And Processing Devices For Dough (AREA)

Abstract

L'invention vise à améliorer une manipulation d'une buse d'aspiration, lors du nettoyage de surfaces dures, en particulier pour un appareil d'aspiration portable de surfaces dures, comprenant un dispositif d'aspiration, la buse d'aspiration présentant une ouverture d'aspiration à laquelle se raccorde un canal d'aspiration dont l'extrémité de canal d'aspiration, opposée à l'ouverture d'aspiration, peut être raccordée au dispositif d'aspiration. Selon l'invention, une articulation est disposée ou réalisée entre l'ouverture d'aspiration et l'extrémité de canal d'aspiration pour le déplacement de l'ouverture d'aspiration par rapport à l'extrémité de canal d'aspiration et un dispositif de blocage permet de bloquer à force et/ou par complémentarité de forme l'articulation dans au moins une position de blocage. L'invention concerne en outre un appareil d'aspiration amélioré de surfaces dures.
EP14758373.6A 2014-08-29 2014-08-29 Buse d'aspiration et aspirateur pour surfaces dures Active EP3185743B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/068425 WO2016029968A1 (fr) 2014-08-29 2014-08-29 Buse d'aspiration et appareil d'aspiration de surfaces dures

Publications (2)

Publication Number Publication Date
EP3185743A1 true EP3185743A1 (fr) 2017-07-05
EP3185743B1 EP3185743B1 (fr) 2019-11-13

Family

ID=51454699

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14758373.6A Active EP3185743B1 (fr) 2014-08-29 2014-08-29 Buse d'aspiration et aspirateur pour surfaces dures

Country Status (3)

Country Link
EP (1) EP3185743B1 (fr)
CN (1) CN106604669B (fr)
WO (1) WO2016029968A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017105176A1 (de) 2017-03-10 2018-09-13 Leifheit Ag Saugdüse für ein Handsauggerät und Handsauggerät

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB495698A (en) * 1937-02-17 1938-11-17 British Vacuum Cleaner And Eng Improvements in or relating to tubular coupling devices
CN2131440Y (zh) * 1992-05-21 1993-05-05 黄鸿钧 擦窗清洗器
US5652996A (en) * 1995-12-01 1997-08-05 The Hoover Company Hand held cleaner with swiveling nozzle
EP1214902B1 (fr) * 2000-12-13 2006-06-07 Vorwerk & Co. Interholding GmbH Buse pour aspirateur
US6931690B2 (en) * 2003-05-15 2005-08-23 Grant Cox Spring-biased pivoting squeegee
EP2330956B1 (fr) * 2008-08-11 2015-04-22 Ecodrop Raclette pour surface lisse
CN201929871U (zh) * 2011-01-13 2011-08-17 刘菡 一种擦玻璃器
DE102011000465A1 (de) * 2011-02-02 2012-08-02 Vorwerk & Co. Interholding Gmbh Rastverbindung zwischen einem Staubsauger und einem Staubsauger-Vorsatzgerät
CN202537394U (zh) * 2012-04-18 2012-11-21 苏州市春菊电器有限公司 一种可旋转真空式蒸汽刮头

Also Published As

Publication number Publication date
WO2016029968A1 (fr) 2016-03-03
EP3185743B1 (fr) 2019-11-13
CN106604669B (zh) 2019-11-05
CN106604669A (zh) 2017-04-26

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