EP3607865B1 - Interface pour un appareil de traitement du sol dotée d'un appareil de base et d'un appareil frontal - Google Patents

Interface pour un appareil de traitement du sol dotée d'un appareil de base et d'un appareil frontal Download PDF

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Publication number
EP3607865B1
EP3607865B1 EP19185477.7A EP19185477A EP3607865B1 EP 3607865 B1 EP3607865 B1 EP 3607865B1 EP 19185477 A EP19185477 A EP 19185477A EP 3607865 B1 EP3607865 B1 EP 3607865B1
Authority
EP
European Patent Office
Prior art keywords
interface
inner part
suction channel
outer part
shape
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
EP19185477.7A
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German (de)
English (en)
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EP3607865A1 (fr
Inventor
Hans-Peter Arnold
Ingo Ehring
Birol Ceylan
Thomas Erner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vorwerk and Co Interholding GmbH
Original Assignee
Vorwerk and Co Interholding GmbH
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Publication of EP3607865A1 publication Critical patent/EP3607865A1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • 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
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/242—Hose or pipe couplings
    • A47L9/246—Hose or pipe couplings with electrical connectors
    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2868—Arrangements for power supply of vacuum cleaners or the accessories thereof

Definitions

  • the invention relates to an interface for a soil cultivation device with a base device and an attachment that can be connected to the base device, the interface having an outer interface part and an inner interface part designed to correspond to the outer interface part, the inner interface part having a suction channel and a contact carrier arranged outside the suction channel with a plurality of Having electrical contacts and wherein the interface outer part has a plurality of corresponding electrical contacts.
  • the invention further relates to a soil cultivation device with a base device, an attachment that can be connected to the base device and an interface for connecting the attachment to the base device.
  • the invention also relates to a base device of a soil cultivation device with an inner interface part, which is designed for connection to an outer interface part of an attachment to be connected to the base device, as well as an attachment for a soil cultivation device, the attachment having an outer interface part, which is designed for connection to an inner interface part a base device to be connected to the front-end device is formed.
  • Soil cultivation devices with a base device and an attachment device that can be connected to it are known in the prior art.
  • the soil cultivation device can, for example, be a cleaning device, in particular a vacuum cleaner, the base unit of which has a power supply, a motor-blower unit and a dust chamber.
  • the motor-fan unit is used to suck in dust and dirt into the dust chamber.
  • One or more attachments can be connected to the base unit.
  • the attachment can for example have a rotating bristle element, a wiping element, a polishing device or the like.
  • the interface of the soil cultivation device provides a suction channel connection, mechanical connection and electrical connection between the attachment and the base device.
  • the interface has an outer interface part and an inner interface part, which can be plugged into one another in order to connect the attachment to the base unit.
  • the patent specification EP 0 666 051 B1 discloses, for example, a suction line connection plug for a vacuum cleaner, with a suction line section as a plug-in part, a counterpart as a plug-receiving part of an attachment and electrical contacts which are arranged outside a cross section of the suction line section and the counterpart.
  • the plug-in part and the plug-receiving part of the suction line connector have corresponding cross-sections so that the corresponding plug parts can be connected to one another, the two plug parts being aligned with one another via a flattening associated with the electrical contacts.
  • the pamphlet WO 2017/143791 A1 discloses a suction line connection with an outer interface part (442) and an inner interface part (441), which inner interface part (441) has a suction channel and a contact carrier (44) arranged outside the suction channel.
  • an interface of the type described above in which the outer interface part and the inner interface part further each have at least two pairs of shape coding elements, a first pair of shape coding elements of the outer interface part being designed in a position and shape corresponding to a first pair of shape coding elements of the inner interface part, and wherein a second pair of shape coding elements of the outer interface part is designed in a position and shape corresponding to a second pair of shape coding elements of the inner interface part, each shape coding element pair having two shape coding elements of the same shape and formed separately from one another.
  • the interface is now designed with a shape coding in order to specifically achieve or exclude plug-in compatibility of the outer interface part and the inner interface part.
  • the manufacturer can specifically code valid combinations via the interface or code invalid combinations.
  • different codings for different Device generations be provided.
  • the coding can, for example, prevent low-voltage systems from being compatible with high-voltage systems.
  • Certain basic devices and auxiliary devices that are not coordinated with one another with regard to their operating points, for example, cannot therefore be combined. A combination of devices that are not matched to one another could otherwise lead to a malfunction and / or damage to one of the devices and is therefore excluded.
  • the compatibility or non-compatibility of the interface parts is prevented in particular that two pairs of shape coding elements are provided on each of the interface parts, which, as shape coding elements, include, for example, defined projections and depressions in the respective interface part that only lead to corresponding depressions or projections of the fit another part of the interface.
  • the compatibility of the interface parts thus not only requires that the shape of a suction channel end section and the contact carrier correspond to one another, but rather there must also be compatibility of the mutual shape coding element pairs on the interface outer part and the interface inner part of the interface.
  • the shape coding element pairs each have at least two shape coding elements, which are preferably of identical design with regard to their shape.
  • the shape coding elements are particularly preferably arranged symmetrically with respect to an axis of symmetry of the interface, for example a longitudinal axis of the suction channel.
  • the shape coding element pairs primarily take on the function of the shape coding of the interface, not other functions such as suction channel connection or electrical connection of the interface parts. These functions are primarily reserved for the suction channel or suction channel end section and the contact carrier.
  • a suction channel end section of the suction channel of the interface inner part is inserted into the interface outer part when the interface is connected, the axial overlap of the interface inner part and the interface outer part being at least 20 mm, preferably at least 25 mm.
  • the interface inner part is inserted into the interface outer part with the defined axial overlap, the suction channel end section of the suction channel of the interface inner part serving as a stiffening tube and, alternatively, the elaborate interface parts required, which have to be butted against one another, can be dispensed with.
  • the sliding of the interface inner part and the interface outer part also enables a rough alignment of the two interface parts with one another, whereby the alignment of the two-sided electrical contacts with one another is facilitated.
  • an axial overlap of the interface parts of at least 20 mm has proven useful, especially in the case of suction channels that have an elliptical suction channel end section with a diameter ratio of D max / D min of approximately 20 mm to 14 mm.
  • the contact carrier have more than three electrical contacts.
  • the contact carrier preferably has three electrical contacts for powering the attachment through the base device and at least one additional electrical contact for signal transmission between the base device and the attachment.
  • the contact carrier and its electrical contacts are separated from the suction path of the suction channel. This results, on the one hand, in a high level of electrical coupling reliability and, on the other hand, in optimal flow guidance within the suction channel.
  • the interface or the contact carrier has at least one further electrical contact. This can initially be designed as a reserve contact for an expandable electrical contacting of the interface, and / or preferably enable a signal transmission between the base unit and the attachment.
  • the electrical contacts can be provided one behind the other in the circumferential direction of the inner interface part.
  • the contact carrier can be designed in such a way that it has the shape of an annular section which at least partially surrounds the suction channel. This results in a greater approximation of the interface overall to a circular shape, so that an ergonomic feel is maintained for a user of the soil cultivation device.
  • the electrical contacts can be arranged as a plug-in part or a receiving part on the inner interface part and the outer interface part, or vice versa.
  • the electrical contacts are displaceably arranged on the inner interface part and / or the outer interface part, with a play of movement of an electrical contact pair of corresponding electrical contacts of the inner interface part and the outer interface part being in particular at least 1 mm.
  • the electrical contacts are preferably floatingly movable on the contact carrier or the inner interface part or the outer interface part hung up. In contrast to a rigid suspension of the electrical contacts, it is thus possible to avoid contact damage that can occur due to a vibration of the interface with a permanent wobble of, for example, approx. 1 mm.
  • the proposed floating, ie displaceable, suspension of the electrical contacts keeps the movement of the interface away from the contacting points of the electrical contacts.
  • the contact carrier is arranged axially set back relative to a suction channel end section of the suction channel.
  • the electrical contacts of the interface inner part or the interface outer part are removed from a suction channel end section of the suction channel, so that when the interface is joined, the profile in the area of the suction channel end sections initially engages and the electrical contacts are still kept free of coupling-related forces.
  • an end face of the suction channel end section has an acute angle to a longitudinal axis of the suction channel end section.
  • the suction channel end section of the suction channel is cut obliquely and can have an angle of, for example, 30 °.
  • the interface inner part starting from a suction channel end section, has a cross-sectional area that increases step-wise in the axial direction of the suction channel, with in particular individual circumferential paths of a circumferential surface of the interface inner part compared to adjacent surface subregions of the circumferential surface protrude radially outward, the circumferential tracks of the interface inner part abut against corresponding radially inwardly protruding circumferential tracks of the interface outer part when the interface is closed, thereby spacing adjacent surface subregions from one another.
  • the interface section to be inserted into a receptacle of the counterpart increases in a step-shaped manner starting from a suction channel end section.
  • the contact carrier is preferably assigned to a larger step of the inner interface part.
  • special circumferential tracks are provided on the circumferential surface of the inner interface part, which define a step fitting system.
  • a suction channel end section of the suction channel of the interface inner part has an abrasion-resistant soft material.
  • the inner interface part is thus preferably equipped with an advantageous direct suction facility, so that the inner interface part can be brought directly to the surface without damaging the inner interface part or a surface to be cleaned.
  • the suction channel end section of the suction channel of the interface inner part preferably has a wear zone made of an abrasion-resistant soft material which has material properties such as optimal abrasion resistance, anti-discoloration and mechanical strength.
  • the abrasion-resistant soft material can be a synthetic rubber material.
  • the soft material is preferably arranged removably on the suction channel.
  • the inner interface part in particular the contact carrier, has an actuating element which can be latched into a shape-corresponding opening in the outer interface part, the actuating element having a latching element which can be latched into a recess in the outer interface part.
  • the latching element and / or a border of the recess can have an inclined contact surface in the joining direction and / or opposite to the joining direction for the latching element to slide over the border.
  • the actuating element creates a latching connection between the interface parts of the interface, the interface inner part and the interface outer part being coupled to one another.
  • the actuating element can be designed such that the latching element is moved away from a corresponding latching element of the interface outer part when the actuator is subjected to bending stress or when it is displaced, so that the latching connection can be released.
  • the bending stress, or for example also a pivoting, of the actuating element can lead to a contact surface of the latching element being able to overcome the border of the recess.
  • the particularly proposed inclined contact surface of the latching element and / or the border of the recess ensures that the latching can also be carried out and / or released when the actuating element is not actuated.
  • the outer interface part can be removed from the inner interface part without actuating the actuating element.
  • an outwardly facing peripheral surface of the inner interface part has a circumferential groove in which a shape-corresponding sealing element is arranged.
  • the shape-corresponding sealing element ensures that the interface is leak-tight, regardless of the quality of the fit of the outer interface part and inner interface part.
  • the sealing element is preferably made of an elastic material so that a play of movement between the interface parts can be compensated for.
  • the groove provided for the sealing element is preferably aligned with a step of the previously proposed step profile of the cross-sectional area of the inner interface part, so that the sealing element acts right at the beginning of the interface coupling.
  • an outwardly facing peripheral surface of the interface inner part has lamellae oriented in the peripheral direction for frictional contact with an inwardly facing peripheral surface of the interface outer part.
  • the inner interface part can alternatively or additionally to the use of an actuating element be frictionally connected to the outer interface part by means of the lamellae.
  • the lamellas are preferably essentially transverse to the longitudinal extent of the suction channel.
  • a suction channel end section of the interface inner part can also be surrounded in a helical manner by a lamella.
  • the lamellae are preferably made of a hard-elastic material, so that, on the one hand, they provide the necessary frictional connection to the inner surface of the outer interface part can provide, and on the other hand have a certain flexibility so that the interface inner part can be pushed into the interface outer part.
  • the invention also proposes a soil cultivation device with a base device, an attachment that can be connected to the base device and an interface for connecting the attachment to the base device, the interface being designed according to one of the embodiments described above, and wherein the The outer interface part is assigned in particular to the attachment and the inner interface part is assigned to the base unit.
  • the soil cultivation device can be, for example, a vacuum cleaner, a mopping device, a polishing device, a grinding device, a lawn mower or the like.
  • the soil cultivation device has a base device and an attachment or several attachments, which can optionally be connected to the base device, provided that the respective codings of the interface outer part and the interface inner part can be combined with one another.
  • a power supply, an electric motor, a motor-blower unit, a liquid tank or the like can be provided in the base device.
  • the attachment is used to process a surface and can, for example, have a cleaning brush, a wiping cloth, a wiping roller, a polishing plate or the like.
  • Soil cultivation devices can also provide combined functions, for example a wiping and suction function. All of the features and advantages described in relation to the interface also apply accordingly to the soil cultivation device according to the invention with such an interface.
  • the invention also proposes a base device of a soil cultivation device with an inner interface part which is used for Connection to an outer interface part of an attachment to be connected to the base unit is formed, the inner interface part being an inner interface part of an interface described above.
  • An attachment for a soil cultivation device is also proposed, the attachment having an outer interface part which is designed for connection to an inner interface part of a base device to be connected to the attachment, the outer interface part being an outer interface part of an interface described above.
  • FIG. 1 shows an example of a soil cultivation device 2, which is designed here as a hand-held vacuum cleaner.
  • the soil cultivation device 2 has a base device 3 and an attachment 4, which are connected to one another via an interface 1.
  • the attachment 4 is here, for example, an electric brush with a rotating bristle element (not shown), a suction mouth 31 and an adjoining suction channel 7, which is connected via the interface 1 to a corresponding suction channel 7 of the base unit 3.
  • the attachment 4 has wheels 30 with which it is easier for the user to push the soil cultivation device 2 over a surface to be cleaned.
  • the base device 3 has a handle 32, which is designed to be telescopic, for example, with which the user can adjust the height of the soil cultivation device 2 to his body size.
  • a handle 33 with a switch 34 is arranged on the handle 32. Of the Switch 34 is used, for example, to switch a suction fan (not shown) of the soil cultivation device 2 on and off or also to select different cleaning stages.
  • the base device 3 is also shown in greater detail so that it can pivot relative to the front-end device 4.
  • the interface 1 is used to connect an outer interface part 5 of the attachment 4 to an inner interface part 6 of the base unit 3.
  • the interface 1 provides a suction channel connection, a mechanical connection and also an electrical connection between the base unit 3 and the attachment 4.
  • different attachments 4 can be connected to the base device 3, provided that the outer interface part 5 of the respective attachment 4 is compatible with the inner interface part 6 of the base device 3.
  • the Figures 3 and 4 show examples of possible interface inner parts 6.
  • the Figures 5 to 7 show exemplary interface outer parts 5.
  • the Interface outer parts 5 are here (according to the Figures 1 and 2 ) assigned to the front-end device 4 merely by way of example, while the interface inner parts 6 are assigned to the base device 3. It goes without saying, however, that the base device 3 can also provide an external interface part 5, while the attachment 4 has the internal interface part 6.
  • the ones in the Figures 3 and 4 Interface inner parts 6 shown are each with different copies of the interface outer parts 5 according to the Figures 5 to 7 compatible.
  • the in Figure 3 Interface inner part 6 shown has two different pairs of shape coding elements 17, 19.
  • the shape coding element pair 17 has two shape coding elements 15 designed as semicircular material recesses in relation to the section shown.
  • the shape coding element pair 19, on the other hand, has two shape coding elements 14 designed as plugs. Both the shape coding elements 14 and the shape coding elements 15 are arranged mirror-symmetrically to a longitudinal axis of the interface inner part 6 shown, which is here also the axis of symmetry.
  • the inner interface part 6 Figure 3 corresponds optimally to the in Figure 5 Interface outer part 5 shown, which has two pairs of shape coding elements 16 and 18.
  • the shape coding element pair 16 has two shape coding elements 15 which correspond to the shape coding elements 15 according to FIG Figure 3 correspond, while the shape coding elements 14 of the Interface outer part 5 according to Figure 5 to the shape coding elements 14 of the interface inner part 6 according to FIG Figure 3 correspond.
  • the shape coding elements 14 according to FIG Figure 5 Sockets for the plug-shaped shape coding elements 14 according to FIG Figure 3 represent and the shape coding elements 15 are semicircular projections in cross section which are inserted into the semicircular material recesses of the interface inner part 6 according to FIG Figure 3 fit.
  • the interface inner part 6 according to Figure 3 and the interface outer part 5 according to FIG Figure 5 preferably belong to a base device 3 and an attachment 4, which belong to the same generation of devices. These can thus be connected to an interface 1 and are therefore compatible with one another.
  • Interface outer parts 5 and interface inner parts 6 shown are possible.
  • Figure 4 Interface inner part 6 shown in FIG Figure 6 interface outer part 5 shown since this has at least no outwardly facing shape coding elements 15 (see for example Figure 5 ) which prevent the insertion of the inner interface part 6 into the outer interface part 5.
  • Figure 8 shows in an exploded view an exemplary interface 1 with an inner interface part 6 and an outer interface part 5.
  • the inner interface part 6 includes a contact carrier 8.
  • the contact carrier 8 is used to connect to a corresponding contact device (not shown) of the outer interface part 5 and thus to establish an electrical connection between electrical components of the base unit 3 and the attachment 4.
  • an energy supply device of the base device 3 can provide energy for an electrical consumer of the attachment 4 via the contact carrier 8 of the interface 1.
  • the contact carrier 8 here has a total of five electrical contacts 9, 10, 11, 12, 13.
  • the electrical contacts 9, 10, 11 are used here, for example, for the power supply, while the electrical contacts 12, 13 can be provided as reserve contacts, for example for signal transmission between the base unit 3 and the attachment 4.
  • the electrical contacts 9, 10, 11, 12, 13 are floatingly suspended in the contact carrier 8, ie they can be displaced relative to the housing of the contact carrier 8 in order to be able to withstand a permanent wobble between the interface inner part 6 and the interface outer part 5 and to prevent damage to the electrical contacts 9,10,11,12, 13.
  • the floating suspension enables, for example, a play of motion of 1.1 mm between the electrical contacts 9, 10, 11, 12, 13 of the contact carrier 8 and corresponding electrical contacts of the outer interface part 5.
  • the interface inner part 6 shown represents a partial area of the suction channel 7 with a suction channel end section 20.
  • the size of a cross-sectional area 21 of the suction channel 7 increases starting from the suction channel end section 20 in a direction facing away from the interface outer part 5.
  • the circumferential surface 26 of the inner interface part 6 has a profile with a large number of steps that perform different functions.
  • the interface inner part 6 has two circumferential tracks 22 which protrude in the radial direction beyond the adjacent circumferential sections of the interface inner part 6 and thus serve to spacing the interface outer part 5 from the adjacent circumferential sections of the interface inner part 6.
  • the circumferential tracks 22 are defined fitting rings, via which the actual contact between the inner interface part 6 and the outer interface part 5 takes place.
  • the circumferential surface 26 of the inner interface part 6 is stepped a total of several times in order to facilitate the joining of the interface parts 5, 6.
  • the circumferential surface 26 of the interface inner part 6 has a groove 27 into which the in the Figures 10 and 11 illustrated sealing element 28 can be inserted.
  • the sealing element 28 is an elastic sealing ring which ensures the tightness of the interface 1 regardless of the quality of the fit of the outer interface part 5 and inner interface part 6.
  • the illustrated suction channel end section 20 of the interface inner part 6 can furthermore also be used for a direct suction function, ie for use of the base device 3 without a connected attachment 4, whereby suction material can be sucked into the soil cultivation device 2 directly via the interface outer part 5.
  • the suction channel end section 20 is preferably equipped with a wear zone at the end which has material properties such as abrasion resistance, resistance to discoloration and mechanical strength.
  • the suction channel end section 20 can preferably be held detachably on the suction channel 7.
  • Figure 8 shows the interface outer part 5, which has a contact carrier receptacle 36.
  • the outer interface part 5 is pushed over the inner interface part 6 in such a way that the contact carrier 8 is pushed into the contact carrier receptacle 36 at the same time.
  • the contact carrier receptacle 36 preferably has a corresponding contact device for the electrical contacts 9, 10, 11, 12, 13 of the contact carrier 8.
  • the contact carrier receptacle 36 of the interface outer part 5 has, on the one hand, an opening 37 through which an actuating element 23 of the contact carrier 8 remains accessible from the outside and, on the other hand, a recess 24 through which the into the Figures 10 and 13th
  • the illustrated latching element 38 of the actuating element 23 can engage in order to latch the interface inner part 6 with the interface outer part 5 and thus close the interface 1.
  • the attachment 4 is securely held on the base unit 3.
  • the actuating element 23 can for example - as in Figure 10 - be mounted pivotably on the interface inner part 6 via a pivot axis 39, the mobility of the actuating element 23 being made possible through the opening 37 of the interface outer part 5. If a user wants to separate the outer interface part 5 from the inner interface part 6, i.e. the attachment 4 from the base unit 3, he presses from the outside through the opening 37 onto the actuating element 23, causing it to pivot about the pivot axis 39 and the latching element 38 of the actuating element 23 out the recess 24 of the interface outer part 5 is shifted out. The front-end device 4 can then be removed from the base device 3.
  • an inclined contact surface 25 of the latching element 38 can also facilitate engaging in the recess 24 of the outer interface part 5, so that the interface parts 5, 6 can be latched together without the user has to operate the actuating element 23.
  • the locking element 38 is also beveled on the opposite vertical surface, so that a direct pull-off function is created which enables the outer interface part 5 to be detached from the inner interface part 6 without the user having to operate the actuating element 23 got to.
  • Figure 12 shows a three-dimensional external view of the interface 1, in which the interface outer part 5 is connected to the interface inner part 6.
  • the construction of the interface 1 enables step-free transitions between the inner interface part 6 and the outer interface part 5 both in relation to the transition of the suction channel 7 and the actuating element 23 fitted into the outer interface part 5 in a corresponding manner.
  • the Figures 14 to 18 also show, similar to those in Figures 3 to 7 schematically represented codings, possible interface inner parts 6 ( Figures 14 and 15 ) as well as possible external interface parts 5 ( Figures 16, 17 and 18 ).
  • This in Figure 14 The inner interface part 6 shown has, as shape coding elements 14, 15, on the one hand plug-in elements 40 and on the other hand ribs 35, which are optimally matched to the in Figure 16 Interface outer part 5 shown can be combined, which has corresponding ribs 35 and plug-in openings 41 as shape coding elements 14, 15.
  • FIG. 14 is also compatible with the one in FIG Figure 17
  • the outer interface part 5 shown is compatible since it does not have any ribs 35, but at least plug-in openings 41 into which corresponding plug-in elements 40 can engage.
  • This in Figure 18 On the other hand, the outer interface part 5 shown is not in accordance with the inner interface part 6 Figure 14 can be combined, since this has no plug-in openings 41 for the plug-in elements 40.
  • the outer interface part 5 shown is in accordance with the inner interface part 6 Figure 15 combinable (like the one in Figure 17 interface outer part 5), since the in Figure 15
  • the inner interface part 6 shown has neither ribs 35 nor plug-in elements 40 and thus the suction channel end section 20 of the inner interface part 6 can be inserted into the outer interface part 5 without obstacles.
  • the Figure 19 shows a different design of an outer interface part 5, into which a suction channel end section 20 of an inner interface part 6 is inserted.
  • the outer interface part 5 has a suction channel end section 20 angled from the rest of the suction channel 7, so that the flow path through the suction channel 7 has a changing flow cross section.
  • the interface outer part 5 can, for example, be a nozzle with an angled air duct.
  • Figure 20 finally shows an attachment 4 or an inner interface part 6, which is designed as a minimized plug-in accessory.
  • the inner interface part 6 has a suction channel 7 with a suction mouth 31, as well as lamellae 29 facing radially outward on the end side opposite the suction mouth 31, which are designed as sealing and holding lamellae and serve to seal the inner interface part 6 with a corresponding outer interface part 5.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Agricultural Machines (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Claims (12)

  1. Interface (1) pour un dispositif de traitement du sol (2) avec un dispositif de base (3) et un dispositif accessoire (4) pouvant être relié au dispositif de base (3), l'interface (1) présentant une partie d'interface extérieure (5) et une partie d'interface intérieure (6) dont la forme correspond à celle de la partie extérieure d'interface (5), la partie intérieure d'interface (6) présentant un canal d'aspiration (7) et un support de contacts (8) agencé à l'extérieur du canal d'aspiration (7) et présentant une pluralité de contacts électriques (9, 10, 11, 12, 13) et la partie extérieure d'interface (5) présentant une pluralité de contacts électriques correspondants, caractérisé en ce que la partie extérieure d'interface (5) et la partie intérieure d'interface (6) présentent chacune en outre au moins deux paires d'éléments de codage de forme (16, 17, 18, 19), dans laquelle une première paire d'éléments de codage de forme (16) de la partie extérieure d'interface (5) est formée en correspondance de position et de forme avec une première paire d'éléments de codage de forme (17) de la partie intérieure d'interface (6) et dans lequel une deuxième paire d'éléments de codage de forme (18) de la partie extérieure d'interface (5) est formée en correspondance de position et de forme avec une deuxième paire d'éléments de codage de forme (19) de la partie intérieure d'interface (6), chaque paire d'éléments de codage de forme (16, 17, 18, 19) présentant à chaque fois deux éléments de codage de forme (14, 15) de forme identique et formés séparément l'un de l'autre.
  2. Interface (1) selon la revendication 1, caractérisée en ce que les premières paires d'éléments de codage de forme (16, 17) diffèrent des deuxièmes paires d'éléments de codage de forme (18, 19) en ce qui concerne leur forme et leur position au niveau de l'interface (1).
  3. Interface (1) selon la revendication 1 ou 2, caractérisée en ce qu'une partie d'extrémité de canal d'aspiration (20) du canal d'aspiration (7) de la partie intérieure d'interface (6) est insérée dans la partie extérieure d'interface (5) lorsque l'interface (1) est raccordée, dans laquelle le chevauchement axial de la partie intérieure d'interface (6) et de la partie extérieure d'interface (5) est d'au moins 20 mm, de préférence d'au moins 25 mm.
  4. Interface (1) selon l'une des revendications précédentes, caractérisée en ce que le support de contacts (8) comprend plus de trois contacts électriques (9, 10, 11, 12, 13), en particulier trois contacts électriques (9, 10, 11) pour une alimentation en électricité du dispositif accessoire (4) par le dispositif de base (3) et au moins un contact électrique supplémentaire (12, 13) pour une transmission de signaux entre le dispositif de base (3) et le dispositif accessoire (4).
  5. Interface (1) selon l'une des revendications précédentes, caractérisée en ce que la partie intérieure d'interface (6) présente, en partant d'un partie d'extrémité de canal d'aspiration (20), une surface de section transversale (21) qui augmente par paliers dans la direction axiale du canal d'aspiration (7), dans laquelle en particulier des bandes périphériques individuelles (22) d'une surface périphérique (26) de la partie intérieure d'interface (6) font saillie radialement vers l'extérieur par rapport à des parties de surface adjacentes de la surface périphérique (26), dans laquelle, lorsque l'interface (1) est raccordée, les bandes périphériques (22) de la partie intérieure d'interface (6) viennent en butée contre des bandes périphériques correspondantes (22) faisant saillie radialement vers l'intérieur de la partie extérieure d'interface (5), espaçant ainsi des parties de surface adjacentes les unes des autres.
  6. Interface (1) selon l'une des revendications précédentes, caractérisée en ce qu'une partie d'extrémité de canal d'aspiration (20) du canal d'aspiration (7) de la partie intérieure d'interface (6) comprend un matériau souple résistant à l'abrasion.
  7. Interface (1) selon l'une des revendications précédentes, caractérisée en ce que la partie intérieure d'interface (6), en particulier le support de contacts (8), présente un élément d'actionnement (23) qui peut s'encliqueter dans une ouverture (37) de forme correspondante de la partie extérieure d'interface (5), l'élément d'actionnement (23) présentant un élément d'encliquetage (38) qui peut s'encliqueter dans un évidement (24) de la partie extérieure d'interface (5).
  8. Interface (1) selon la revendication 7, caractérisée en ce que l'élément d'encliquetage (38) et/ou un bord de l'évidement (24) présente une surface de contact inclinée (25) qui est placée dans la direction d'assemblage et/ou à l'opposée de la direction d'assemblage pour que l'élément d'encliquetage (38) passe par glissement sur le bord.
  9. Interface (1) selon l'une des revendications précédentes, caractérisée en ce qu'une surface périphérique (26), tournée vers l'extérieur, de la partie intérieure d'interface (6) présente une rainure (27) qui fait le tour dans la direction périphérique et dans laquelle est agencé un élément d'étanchéité (28) de forme correspondante.
  10. Dispositif de traitement du sol (1) comprenant un dispositif de base (3), un dispositif accessoire (4) pouvant être relié au dispositif de base (3) et une interface (1) pour relier le dispositif accessoire (4) au dispositif de base (3), caractérisé en ce que l'interface (1) est réalisée selon l'une des revendications précédentes, dans lequel, en particulier, la partie extérieure d'interface (5) est associée au dispositif accessoire (4) et la partie intérieure d'interface (6) est associée au dispositif de base (3).
  11. Dispositif de base (3) d'un dispositif de traitement du sol (2) avec une partie intérieure d'interface (6) qui est conçue pour la liaison avec une partie extérieure d'interface (5) d'un dispositif accessoire (4) à relier au dispositif de base (3), caractérisé en ce que la partie intérieure d'interface (6) est une partie intérieure d'interface (6) d'une interface (1) conçue selon l'une des revendications 1 à 9.
  12. Dispositif accessoire (4) pour un dispositif de traitement du sol (2), le dispositif accessoire (4) présentant une partie d'interface extérieure (5) qui est conçue pour le raccordement à une partie d'interface intérieure (6) d'un dispositif de base (3) à raccorder au dispositif accessoire (4), caractérisé en ce que la partie d'interface extérieure (5) est une partie d'interface extérieure (5) d'une interface (1) conçue selon l'une des revendications 1 à 9.
EP19185477.7A 2018-07-26 2019-07-10 Interface pour un appareil de traitement du sol dotée d'un appareil de base et d'un appareil frontal Active EP3607865B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018118086.1A DE102018118086A1 (de) 2018-07-26 2018-07-26 Schnittstelle für ein Bodenbearbeitungsgerät mit einem Basisgerät und einem Vorsatzgerät

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EP3607865A1 EP3607865A1 (fr) 2020-02-12
EP3607865B1 true EP3607865B1 (fr) 2021-09-01

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EP (1) EP3607865B1 (fr)
JP (1) JP2020014847A (fr)
CN (1) CN110772171A (fr)
DE (1) DE102018118086A1 (fr)
ES (1) ES2895183T3 (fr)

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Publication number Priority date Publication date Assignee Title
US5715566A (en) * 1993-02-12 1998-02-10 Bissell Inc. Cleaning machine with a detachable cleaning module
DE4403950B4 (de) * 1994-02-08 2007-03-01 Vorwerk & Co. Interholding Gmbh Stecker-Adapter
DE102011000465A1 (de) * 2011-02-02 2012-08-02 Vorwerk & Co. Interholding Gmbh Rastverbindung zwischen einem Staubsauger und einem Staubsauger-Vorsatzgerät
US9661976B2 (en) * 2011-09-22 2017-05-30 Sharkninja Operating Llc Multi-functional cleaning system
US9204773B2 (en) * 2013-03-01 2015-12-08 Omachron Intellectual Property Inc. Surface cleaning apparatus
US9215960B2 (en) * 2013-02-28 2015-12-22 Omachron Intellectual Property Inc. Surface cleaning apparatus
CN104505641A (zh) * 2014-11-25 2015-04-08 常州市武进信威电子元件厂 内置针线盒的插座盒
CN204858072U (zh) * 2015-07-22 2015-12-09 山东丽驰新能源汽车有限公司 电动车充电连接器
CN105581730B (zh) * 2016-02-26 2017-11-21 苏州爱建电器有限公司 手持式吸尘器的转向接头及手持式吸尘器

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JP2020014847A (ja) 2020-01-30
CN110772171A (zh) 2020-02-11
DE102018118086A1 (de) 2020-01-30
EP3607865A1 (fr) 2020-02-12
ES2895183T3 (es) 2022-02-17

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