EP2583607B1 - Tuyau d'aspiration pour aspirateur - Google Patents

Tuyau d'aspiration pour aspirateur Download PDF

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Publication number
EP2583607B1
EP2583607B1 EP20120007036 EP12007036A EP2583607B1 EP 2583607 B1 EP2583607 B1 EP 2583607B1 EP 20120007036 EP20120007036 EP 20120007036 EP 12007036 A EP12007036 A EP 12007036A EP 2583607 B1 EP2583607 B1 EP 2583607B1
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EP
European Patent Office
Prior art keywords
tube
segment
tube segment
pipe
vacuum cleaner
Prior art date
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Active
Application number
EP20120007036
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German (de)
English (en)
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EP2583607A1 (fr
Inventor
Martin Cordes
Stephan Cordes
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.)
Fischer Rohrtechnik GmbH
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Fischer Rohrtechnik GmbH
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Publication of EP2583607A1 publication Critical patent/EP2583607A1/fr
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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details 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
    • A47L9/24Hoses or pipes; Hose or pipe couplings
    • A47L9/242Hose or pipe couplings
    • A47L9/244Hose or pipe couplings for telescopic or extensible hoses or pipes

Definitions

  • the invention relates to a vacuum cleaner suction tube, comprising a first tube segment, a second tube segment, and a third tube segment, wherein the tube segments are telescopically connected to each other, and wherein the first tube segment between the second tube segment and the third tube segment is arranged.
  • a vacuum cleaner suction pipe according to the preamble of claim 1, for example WO-A-9624000 known.
  • Vacuum cleaner suction pipes are known in the art in a variety of configurations. Telescopic vacuum suction tubes offer the advantage that they can be adjusted by changing the length to the size of an operator or to different application situations during use for short or long distances, on the one hand to allow ergonomic operation and on the other hand, a multi-functional application of the vacuum cleaner for various suction tasks to ensure.
  • Vacuum cleaner suction tubes of this kind usually comprise a plurality of tube segments, which are arranged one behind the other and inserted into one another so that they can be telescoped relative to one another by axial displacement of the tube segments in order to realize the telescoping capability.
  • the pipe segments are manually displaced by the operator, i. H. axially into one another or pushed onto each other,
  • For locking a certain position of the pipe segments a variety of locking mechanisms are known, which reliably prevent unwanted relative movement of the pipe segments during use of the vacuum cleaner suction pipe.
  • recesses in the walls of the pipe segments are used, which interact with corresponding locking elements on the other pipe segments.
  • the pipe segments must have a certain minimum wall thickness, which in addition to the cost of materials and the production cost is increased.
  • the present invention seeks to provide a telescopic vacuum cleaner suction tube, which is easy to manufacture and its operation is optimized in terms of telescopability.
  • the three pipe segments of the vacuum cleaner suction pipe are arranged one behind the other, wherein the first pipe segment is arranged in the middle between the second pipe segment and the third pipe segment, the length of the vacuum cleaner suction pipe corresponds to the distance between the end remote from the first pipe segment of the second pipe segment and the remote from the first pipe segment end of the third pipe segment.
  • the second tube segment and the third tube segment can be displaced by manual displacement by the user relative to the first tube element, whereby the length of the vacuum cleaner suction tube is adjustable.
  • transition regions between the second tube segment and the first tube segment or the first tube segment and the third tube segment are preferably provided with a seal, so that between the outer end of the second tube segment and the outer end of the third tube segment, a continuous dense suction channel for guiding suction air is formed.
  • outer ends are meant in each case the ends of the second pipe segment and the third pipe segment which are remote from the first pipe segment.
  • a control device is arranged, which mechanically connects the pipe segments together, so that with a manual displacement of the second pipe segment or the third pipe segment relative to the first pipe segment, the respective other pipe segment - the second pipe segment or the third pipe segment - is moved by the control device ,
  • the control device cooperates with all three pipe segments, for example, by moving the second pipe segment and the third pipe segment and the control device is mounted on the first pipe segment.
  • the control device is arranged only on the second pipe segment and on the third pipe segment.
  • the respective other pipe segment which is not manually operated by the user, by the control device causes a mechanical interaction, moved.
  • the mechanical interaction of the control device is on the one hand provided such that the movement of the co-moving tube segment in the same direction as that of the manually moved tube segment, on the other hand, however, provided that the movement takes place in opposite directions, so that, for example, if the second tube segment in Direction of the first tube segment is moved, and the third tube segment is moved by the control device in the direction of the first tube segment, whereby the length of the vacuum cleaner suction tube is reduced,
  • the pipe segments are pushed into each other or each other, so that the vacuum cleaner suction pipe is lengthened or shortened.
  • all tube segments are the same length, but more preferably, the first tube segment is twice as long as the second tube segment and the third tube segments, which are the same length.
  • control device is designed with a self-locking, so that a movement of the pipe segments relative to each other by a through the user caused axial displacement force is possible, but in the operation of the vacuum cleaner suction pipe, the self-locking of the control device acts such that an unintentional change in length of the vacuum cleaner suction tube is prevented.
  • self-locking an actuating mechanism for the change in length of the vacuum cleaner suction pipe is unnecessary.
  • an actuating mechanism is provided for the control device, so that when unactuated actuating mechanism a relative movement of the pipe segments is blocked to each other and that in manual - actuated by the user - actuation mechanism, a relative movement of the second pipe segment and the third pipe segment is released relative to the first pipe segment.
  • the actuating mechanism acts on the control device such that when the actuating mechanism is not actuated, the control device is blocked in its movement, while the movement of the control device is released by manual operation of the actuating mechanism by a user.
  • the actuating mechanism which thus simultaneously serves as a locking mechanism for the relative movement of the pipe segments to each other, thus does not act directly on the pipe segments, but only indirectly via the control device, whereby a movement of the pipe segments is released or blocked.
  • This has the advantage that the walls of the pipe segments no longer need to be provided with notches, whereby the production of the vacuum cleaner suction pipe is simplified.
  • the actuating mechanism is preferably arranged longitudinally in the middle of the first tube segment, so that a user can, for example, with one hand grip the first tube segment in the amount of Betuschistsmechanisznus to hold the vacuum cleaner suction tube and operate with this hand of the actuating mechanism, at the same time one of Pipe segments, for example, the third pipe segment, can be moved with the other hand.
  • the second tube segment is moved by the manual movement of the third tube segment via the control device, so as to increase the length the vacuum cleaner suction tube comfortable and easy to extend or decrease.
  • a further embodiment of the vacuum cleaner suction tube provides that the actuating element is designed as a pressure mechanism.
  • This embodiment has the advantage that the actuating mechanism can be operated by the user with one hand, for example by the first tube segment, to which the actuating mechanism is preferably attached, being gripped by one hand.
  • the actuating mechanism for example, with the thumb actuated by pressure, whereby the movement of the pipe segments is released to each other.
  • the actuating mechanism may also be configured such that the pressure on the actuating mechanism by engaging around the actuating mechanism by a radial force is exerted on the actuating mechanism by the encompassing. Due to the radial force, for example, on at least one spring-mounted handle portion, the actuating mechanism is actuated and released a movement of the pipe segments to each other.
  • the actuating mechanism actuated, the movement of the tube segments relative to each other, while the movement is blocked when the actuating mechanism is unactuated.
  • the actuating mechanism has, for example, an automatic reset, e.g. by a spring, up.
  • the second tube segment and the third tube segment are attached at opposite ends to the first tube segment.
  • the cross section of the second tube segment and the third tube segment is slightly larger than the cross section of the first tube segment, so that the second tube segment and the third tube segment can each be attached to this at opposite ends of the first tube segment.
  • the first tube segment thus forms the inner tube, on which the second tube segment and the third tube segment can be moved as outer tubes. With a change in length shifts Thus, the first pipe segment within the second and the third pipe segment.
  • a seal is preferably arranged, which seals the suction channel.
  • This is preferably realized as insectstuzen, which simultaneously ensures the leadership of the first pipe segment within the second and third pipe segment.
  • This intermediate piece or the seal is preferably made of a plastic with good sliding properties, such as PTFE, so that a simple displacement of the pipe segments relative to each other is possible.
  • This embodiment with the first tube segment as the smallest cross section has the advantage that the minimum cross section of the suction channel is the cross section of the first tube segment, since both the cross section of the second tube segment and the third tube segment are slightly larger.
  • both the second tube segment and the third tube segment is preferably in the direction of the center, particularly preferably in the direction of the actuating mechanism, moves at a shortening.
  • both the second tube segment and the third tube segment is moved away from the first tube segment.
  • the second pipe segment and the third pipe segment by the mechanical coupling of the control device move in opposite directions,
  • the control device causes a movement in each case opposite to the movement of the manually moved pipe segment, so that the second pipe segment and the third pipe segment are always moved simultaneously to the middle of the first pipe segment or always simultaneously away from the middle of the first pipe segment to be moved outside
  • This embodiment has the advantage that the length of the vacuum cleaner suction tube can be shortened or lengthened quickly and easily, without having to actuate a plurality of actuators.
  • control device is designed as at least one control rod, which acts between the second pipe segment and the third pipe segment on the one hand so that a rectified movement of the second pipe segment and the third pipe segment takes place with manual operation, on the other hand also set up may be that - with suitable translation - an opposite movement of the pipe segments is realized to each other.
  • a bearing or attachment to the first tube segment and / or a cooperation with the actuating mechanism is provided.
  • two jointed via a joint control rods can cooperate in this sense as the only control rod.
  • At least two control rods are present, that a first control rod with the end facing away from the first pipe segment end of the second pipe segment and a second control rod with the end remote from the first pipe segment end of the third pipe segment is connected, and that the first control rod and the second control rod via the Betäf Trentselement, which is fixed to the first pipe segment, interact with each other.
  • the control rods are consequently in the end regions of the second pipe segment and the third pipe segment which are remote from the first pipe segment attached.
  • An attachment of the control rods to the pipe segments can also be done indirectly, for example via a nozzle.
  • the control rods extend within the tube segments.
  • the manual movement of a control rod always causes a movement of the other control rod, in particular to move along with the other pipe segment.
  • the actuator is advantageously arranged in the longitudinal direction in the middle of the first tube segment and guides the control rods such that movement of the control rods can be blocked and released by the actuating mechanism.
  • the mechanical coupling of the control rods is either via the actuating mechanism or is realized independently of the actuating mechanism.
  • the power transmission between the control rods takes place in the movement case such that the second and third pipe segments move in opposite directions or rectified.
  • control rods are formed as racks, and that the control rods are interacting with each other via a gear arranged on the actuating mechanism, so that the gear moves a movement of both racks upon manual movement of one of the two pipe segments.
  • the racks are preferably made of a plastic and are provided over the entire length with a toothing which can engage in the toothing of the gear.
  • a control rod can be provided only in sections with a toothing, namely in the areas in which contact with the gear in the context of freedom of movement of the pipe segments is possible.
  • the racks are each attached to the end remote from the first tube segment end of the second tube segment and the third tube segment and overlap in the region of the actuating mechanism, which is preferably attached to the first tube segment.
  • overlap is there meaning that they run parallel to one another in at least one section, the proportion of the overlap depending on the length configuration of the vacuum cleaner suction tube.
  • a constant overlap of the racks takes place in the region of the gear wheel.
  • the toothed wheel is advantageously arranged on the actuating mechanism and is preferably rotatably mounted between the two toothed racks, so that the toothed racks run parallel to one another on different sides of the toothed wheel.
  • the gear meshes with the teeth of the respective racks, so that it is ensured that when one of the two pipe segments and thus the respective rack is manually moved by a user, a power transmission via the gear, whereby the other pipe segment preferably moves in opposite directions becomes.
  • the racks are guided on the gear so that skipping the teeth is prevented.
  • the gear In order to block the movement of the racks and thus the movement of the pipe segments to each other - which is required for the use of the vacuum cleaner suction tube - the gear is blocked by the actuating mechanism, so that the racks not relative to each other and thus the pipe segments are not moved relative to each other can be.
  • the actuating mechanism By actuating the actuating mechanism, the movement of the gear, in particular the rotation, be released again, so that a manual adjustment of the length of the vacuum cleaner suction pipe is possible.
  • a plurality of gears is present, so that between the racks of the second pipe segment and the third Pipe segments a different gear ratio is realized.
  • This ratio can be implemented differently, for example, such that the third pipe segment always moves only half the distance to which the second pipe segment is moved by manual movement or vice versa,
  • further ratios that implemented differently depending on the application - Number of gears, arrangement, etc. - and can be configured.
  • Via a plurality of gears a simplified transmission of force between the racks can be realized in terms of a transmission.
  • the transmission mechanism between the gear racks, z. B. by a slider is switchable.
  • the first control rod of a tube segment is fastened to the end of the respective tube segment facing away from the first tube segment and has a length which corresponds approximately to the length of the tube segment.
  • the second or third tube segment engages the rack in the transition region between the second tube segment and the first tube segment or third tube segment and first tube segment in the second belonging to a tube segment rack, which rotated to 180 ° with respect to their teeth is.
  • the second control rod of an outer tube segment - second or third - then runs within the first tube segment, where it is guided in the actuating mechanism.
  • This embodiment has the advantage that the length of engagement of the two racks of a pipe segment in the transition region between the second pipe segment and the first pipe segment or third pipe segment and the first pipe segment can be changed, so that although a rectified or opposite movement of the second pipe segment and the third pipe segment is realized with a uniform transmission ratio, but the overlap length between the second pipe segment and the first pipe segment or third pipe segment and the first pipe segment between the second pipe segment and the third pipe segment is different, with overlap length is meant the length with which the first pipe segment extends within the second pipe segment or within the third pipe segment.
  • This setting of the overlap ratio is preferably carried out via two further, in each case on the second pipe segment or on the third pipe segment - are arranged on each end facing the first pipe segment - are arranged.
  • the maximum overlap length between the second pipe segment and the first pipe segment is reached in the middle of the first pipe segment, that is to say half the length of the first pipe segment.
  • the tube segments have a teardrop-shaped cross-section, that within the cross section of each tube segment, a suction channel is arranged, and that outside the suction channel, the control device is arranged in the tube segments.
  • This embodiment has the advantage that the actual suction channel, in which the suction air is guided, runs independently of the control device, so that no turbulence of the suction air occurs and thus a power loss is caused by the control device.
  • the suction channels of the individual pipe segments preferably engage in each other just like the pipe segments themselves on the length of the vacuum cleaner suction tube and are sealed against each other and slidable.
  • the suction channel preferably has a circular cross section, so that it can be advantageously arranged in the lower part of the drop-shaped cross section of the pipe segments.
  • the control device in particular the rack, is arranged.
  • the pipe segments are preferably made of stainless steel or another metal
  • the suction channel or the suction channels are made of a plastic.
  • the suction channels serve only to guide the air and are freely displaced against each other. The locking of the respective position and thus the length of the vacuum cleaner suction pipe is carried out as usual via the locking of the pipe segments relative to each other via the control device.
  • a nozzle is provided which is fixedly connected to the control device and the suction channel positioned within the tube segment.
  • the respective nozzle is positively inserted at the end of the second pipe segment or at the end of the third pipe segment in this form-fitting and thereby completes this.
  • Non-binding is only the running within the pipe segments suction channel, which is connected via a corresponding adapter piece on the nozzle with the squeegee or with the suction hose of a vacuum cleaner.
  • the respective nozzle is designed in one piece with the suction channel extending inside the pipe segment or separated therefrom, so that the nozzle and the suction channel engage in one another in a form-fitting manner.
  • the nozzle serves to position and fix the suction channel within the respective tube segment.
  • the control device in particular the racks, fixed, so that the racks are fixed to each remote from the first pipe segment end of the second pipe segment and the third pipe segment and a power transmission from the racks on the nozzle to the pipe segments and vice versa.
  • intermediate stubs are preferably also provided at the ends of the second pipe segment and the third pipe segment facing the first pipe segment, which on the one hand improves the sliding properties between the pipe segments, and on the other hand serves to seal the pipe segments to one another.
  • the intermediate piece also positions the suction channel.
  • Fig. 1 shows an embodiment of a vacuum cleaner suction pipe 1 with a first pipe segment 2, a second pipe segment 3 and a third pipe segment 4.
  • the three pipe segments 2, 3, 4 are telescopically connected to each other, wherein the first pipe segment 2 between the second pipe segment 3 and the third Pipe segment 4 is arranged.
  • the vacuum cleaner suction pipe 1 is an in Fig. 6 arranged control device 5, wherein the control device 5, the three pipe segments 2, 3, 4 mechanically interconnected, so that in a manual displacement of the second pipe segment 3 or the third pipe segment 4 by a user in the axial direction relative to the first pipe segment 2, the respective other pipe segment 3, 4 is moved by the control device 5.
  • the movement of the second tube segment 3 and the third tube segment 4 is consequently coupled via the control device 5.
  • the second pipe segment 3 and the third pipe segment 4 thereby move in opposite directions to one another by the control device 5, ie both pipe segments 3, 4 are simultaneously moved toward or away from the center of the first pipe segment 2.
  • an actuating mechanism 6 is provided, which acts on the control device 5, so that when the actuating mechanism 6 is not actuated, a relative movement of the three Pipe segments 2, 3, 4 is blocked to each other, and that when manually operated actuating mechanism 6, a relative movement of the second pipe segment 3 and the third pipe segment 4 is released relative to the first pipe segment 2.
  • the locking of the manually set length of the vacuum cleaner suction pipe is thus effected by the control device 5, which acts on the three pipe segments 2, 3, 4.
  • the second tube segment 3 and the third tube segment 4 are attached to the first tube segment 2 at opposite ends of the first tube segment 2.
  • the cross sections of the second tube segment 3 and the third tube segment 4 are slightly larger than the cross section of the first tube segment 2. If the vacuum cleaner suction tube 1 telescoped, the first tube segment 2 shifts within the second tube segment 3 and the third tube segment 4.
  • the first Tube segment 2 thus forms an inner tube, while the second tube segment 3 and the third tube segment 4 represent outer tubes.
  • control device 5 is for the embodiment according to Fig. 1 configured such that the second pipe segment 3 and the third pipe segment 4 move in opposite directions by the mechanical coupling of the control device 5, when one of the two pipe segments 3, 4 is moved manually by a user.
  • a manual movement by a user can also take place such that the second tube segment 3 or the third tube segment 4 is held and fixed by the user and then the first tube segment 2 is moved relative thereto.
  • the control device 5 comprises a total of four control rods, which are designed as racks 7.
  • the second pipe segment 3 and the third pipe segment 4 each comprise a first rack 7a and a second rack 7b, the first rack 7a and the second rack 7b are arranged rotated in the assembled state by 180 ° to each other, so that in a transition region a plurality of Teeth of the first rack 7a and the second rack 7b intermesh.
  • This transition region is preferably in the region in which the first pipe segment 2 in the second pipe segment 3 and in the third pipe segment 4 passes.
  • the two second control rods 7b namely those of the second pipe segment 3 and those of the third pipe segment 4, overlap in the region of the actuating mechanism 6.
  • "Intersecting" means that the second racks 7b extend parallel to one another in a section, the length of this section depends on the set length of the vacuum cleaner suction tube. The shorter the overall length of the vacuum cleaner suction pipe 1 is set, the longer is the portion in which the second racks 7b overlap. When the vacuum cleaner suction pipe 1 is set at its maximum length, the overlapping of the racks 7b is the lowest.
  • FIG Fig. 4 A detailed view of the vacuum cleaner suction tube 1 in the region of the actuating mechanism 6 is shown in FIG Fig. 4 shown.
  • the second racks 7b in the first tube segment 2 overlap in the region of the actuating mechanism 6 (not shown here in detail).
  • a gear 8 is rotatably mounted, the teeth of the gear 8 engaging in the teeth of both second control rods 7b ,
  • the racks 7b are parallel to each other on opposite sides of the gear 8.
  • the racks 7b are coupled via the gear 8 such that each movement of one of the two second racks 7b is transmitted via the gear on the other rack 7b.
  • the gear 8 is rotatably mounted and connected to the other components of the actuating mechanism 6 such that the rotation of the gear 8 is released by actuation of the actuating mechanism 6.
  • a rotation of the toothed wheel 8 is blocked by the actuating mechanism 6, so that overall a relative movement of the control device 5 and thus the tube segments 2, 3, 4 is blocked relative to one another.
  • the second racks 7b have blocking elements 9 at their intersecting ends. The blocking elements 9 prevent the second racks 7b from the gear 8 and thus also the second tube segment 3 from the first tube segment 2 and the third tube segment 4 from the first tube segment 2 is deducted.
  • the actuating mechanism 6 is designed as a pressure mechanism, so that the movement of the tube segments 2, 3, 4 relative to each other by a pressure on the push button 14 is released.
  • the push button 14 is spring-loaded, so that the movement of the tube segments 2, 3, 4 is blocked relative to each other when no pressure is exerted on the push button 14.
  • Fig. 7 shows a cross section of the vacuum cleaner suction pipe 1 in the region of the second pipe segment 3. All pipe segments 2, 3, 4, as here also the second pipe segment 3 have a substantially teardrop-shaped cross-section. In the lower region of the drop-shaped cross section, a suction channel 10 is arranged within the second tube segment 3, which serves to guide the suction air within the vacuum cleaner suction tube 1.
  • the suction channel 10 has a circular cross-section and has the advantage that the suction air without being influenced by components and thus consequently without turbulence within the suction channel through the vacuum cleaner suction pipe 1 is performed.
  • a suction channel 10 is guided to guide the suction air, wherein the individual sections of the suction channel 10 in the pipe segments 2, 3, 4 also against each other displaceable, ie are telescopic.
  • the sections of the suction channel 10 form a continuous and sealed channel between the two ends of the vacuum cleaner suction pipe 1. Also inside the second pipe segment 3, but outside the suction channel 10 extends the rack 7. Due to the fact that the racks 7 of the control device 5 outside the suction channel 10 are performed, performance-reducing turbulence within the suction channel 10 are prevented. Not shown in Fig. 7 the existing in the rear planes components of the vacuum cleaner suction pipe. 1
  • Fig. 6 Stub 11 shown, which are inserted in the assembled state of the vacuum cleaner suction pipe 1 in the opposite of the first pipe segment 2 ends of the second pipe segment 3 and the third pipe segment 4.
  • the nozzle 11 surround the suction channel 10 positively and hold it at its position within the respective pipe segment 3, 4.
  • the nozzle 11 provides for the vacuum cleaner suction pipe 1, the interface of the suction channel 10 to the - not shown - suction of the vacuum cleaner and on the other side to the suction hose (not shown).
  • the first toothed racks 7a of the control device 5 are respectively fastened to the nozzles 11. About this connection, the power transmission takes place from the second pipe segment 3 and the third pipe segment 4 on the racks 7 and vice versa, ie from the racks 7 to the second pipe segment 3 and the third pipe segment. 4
  • intermediate stubs 12 are inserted into the second pipe segment 3 and the third pipe segment 4 respectively at the end of the second pipe segment 3 facing the first pipe segment 2 and the third pipe segment 4.
  • the intermediate sockets 12 serve to hold the suction channel 10 within the tube segments 3, 4, on the other hand they serve to simplify the sliding operation between the first tube segment 2 and the second tube segment 3 or the third tube segment 4.
  • the intermediate sockets 12 serve as sliding elements between the tube segments 2 , 3, 4 and at the same time seal off the crossing points.
  • Fig. 2 shows an embodiment of a remote from the first pipe segment 2 end portion of the second pipe segment 3 in a partial sectional view.
  • the suction channel 10 which is positively connected to the nozzle 11 extends.
  • the first rack 7a is also attached to the stub 11, so that a power transmission from the rack 7a via the nozzle 11 to the second pipe segment 3 takes place.
  • the nozzle 11 also serves as an interface for the suction channel 10 for guiding the suction air, in particular for connecting the vacuum cleaner suction pipe 1 to a - not shown - suction.
  • Fig. 3 shows the transition region between the second pipe segment 3 and the first pipe segment 2 of an embodiment of the vacuum cleaner suction pipe 1.
  • a stub 12 is arranged between the first pipe segment 2 and the second pipe segment 3.
  • the extending below the racks 7 suction channel 10 is not shown here.
  • Within the first tube segment 2 and the second tube segment 3 extend the first rack 7a and the second rack 7b, which are arranged offset by 180 ° to each other and in the transition region between the first tube segment 2 and second pipe segment 3 mesh with a plurality of teeth and are thereby interconnected.
  • Fig. 5 shows an embodiment of a remote from the first pipe segment 2 end portion of the third pipe segment 4 in a partial sectional view.
  • a nozzle 11 is inserted, which serves as an interface for the suction channel 10 of the vacuum cleaner suction pipe 1.
  • the suction channel 10 is positively inserted into the socket 11, so that the nozzle 11 holds the suction channel 10 within the third tube segment 4.
  • the first rack 7a is fixed to the nozzle 11 so that power is transmitted from the rack 7a to the nozzle 11 and thus to the third pipe segment 4.
  • This nozzle 11 has an actuating element 13, which serves the releasable locking of the nozzle 11 with an inserted into this - not shown - suction hose.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Claims (10)

  1. Tuyau d'aspiration d'aspirateur (1), comprenant un premier segment de tuyau (2), un deuxième segment de tuyau (3) et un troisième segment de tuyau (4), les segments de tuyau (2, 3, 4) étant reliés entre eux de façon télescopable et le premier segment de tuyau (2) étant disposé entre le deuxième segment de tuyau (3) et le troisième segment de tuyau (4), un dispositif de commande (5) étant présent, les segments de tuyau (2, 3, 4) entrant mécaniquement en interaction entre eux via le dispositif de commande (5), de sorte qu'en cas de coulissement manuel du deuxième segment de tuyau (3) ou du troisième segment de tuyau (4) dans la direction axiale par rapport au premier segment de tuyau (2), le respectivement autre segment de tuyau (3, 4) est déplacé conjointement par le dispositif de commande (5) et au moins deux tiges de commande étant présentes, caractérisé en ce qu'une première tige de commande est reliée à l'extrémité du deuxième segment de tuyau (3) opposée par rapport au premier segment de tuyau (2) et qu'une deuxième tige de commande est reliée à l'extrémité du troisième segment de tuyau (4) opposée par rapport au premier segment de tuyau (2), que la première tige de commande et la deuxième tige de commande entrent en interaction entre elles via un mécanisme d'actionnement (6) fixé au premier segment de tuyau (2) et que les tiges de commande s'étendent à l'intérieur des segments de tuyau (2, 3, 4).
  2. Tuyau d'aspiration d'aspirateur (1) selon la revendication 1, caractérisé en ce que le mécanisme d'actionnement (6) est prévu pour le dispositif de commande, de sorte qu'en présence d'un mécanisme d'actionnement (6) non actionné, un mouvement relatif des segments de tuyau (2, 3, 4) les uns par rapport aux autres est bloqué et qu'en présence d'un mécanisme d'actionnement (6) actionné à la main, un mouvement relatif du deuxième segment de tuyau (3) et du troisième segment de tuyau (4) est libéré par rapport au premier segment de tuyau (2).
  3. Tuyau d'aspiration d'aspirateur (1) selon la revendication 1 ou 2, caractérisé en ce que le mécanisme d'actionnement (6) prend la forme d'un mécanisme à pression.
  4. Tuyau d'aspiration d'aspirateur (1) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le deuxième segment de tuyau (3) et le troisième segment de tuyau (4) sont enfichés sur le premier segment de tuyau (2) au niveau des extrémités opposées.
  5. Tuyau d'aspiration d'aspirateur (1) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le deuxième segment de tuyau (3) et le troisième segment de tuyau (4) se déplacent l'un par rapport à l'autre de façon opposée par couplage mécanique du dispositif de commande (5).
  6. Tuyau d'aspiration d'aspirateur (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les tiges de commande prennent la forme de tiges dentées (7) et que les tiges dentées (7) entrent en interaction entre elles via une roue dentée (8) disposée au niveau du mécanisme d'actionnement (6), de sorte que la roue dentée (8) transforme un mouvement des deux tiges dentées (7) en cas de mouvement manuel d'un des deux segments de tuyau (3, 4).
  7. Tuyau d'aspiration d'aspirateur (1) selon la revendication 6, caractérisé en ce qu'une pluralité de roues dentées est présente, de sorte qu'on obtient un rapport de multiplication différent entre les tiges dentées (7) du deuxième segment de tuyau (3) et du troisième segment de tuyau (4).
  8. Tuyau d'aspiration d'aspirateur (1) selon l'une quelconque des revendications 1 à 7, caractérisé en ce que quatre tiges de commande sont prévues et que deux tiges de commande entrent en interaction avec le deuxième segment de tuyau (3) et deux tiges de commande entrent en interaction avec le troisième segment de tuyau (4).
  9. Tuyau d'aspiration d'aspirateur (1) selon l'une quelconque des revendications 1 à 8, caractérisé en ce que les segments de tuyau (2, 3, 4) présentent une section transversale en forme de goutte, qu'un canal d'aspiration (10) est disposé à l'intérieur de la section transversale de chaque segment de tuyau (2, 3, 4) et que le dispositif de commande (5) prévu dans les segments de tuyau (2, 3, 4) est disposé à l'extérieur du canal d'aspiration (10).
  10. Tuyau d'aspiration d'aspirateur (1) selon la revendication 9, caractérisé en ce qu'un manchon (11) est respectivement prévu au niveau de l'extrémité du deuxième segment de tuyau (3) et du troisième segment de tuyau (4) opposée au premier segment de tuyau (2), ladite extrémité étant reliée fixement au dispositif de commande (5) et positionnant le canal d'aspiration (10) à l'intérieur des segments de tuyau (2, 3, 4).
EP20120007036 2011-10-18 2012-10-11 Tuyau d'aspiration pour aspirateur Active EP2583607B1 (fr)

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CN103054521A (zh) 2013-04-24
CN103054521B (zh) 2017-04-12
DE102011116074A1 (de) 2013-04-18
US20130093182A1 (en) 2013-04-18

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