EP3426120A1 - Tuyau d'aspiration d'aspirateur - Google Patents

Tuyau d'aspiration d'aspirateur

Info

Publication number
EP3426120A1
EP3426120A1 EP17708802.8A EP17708802A EP3426120A1 EP 3426120 A1 EP3426120 A1 EP 3426120A1 EP 17708802 A EP17708802 A EP 17708802A EP 3426120 A1 EP3426120 A1 EP 3426120A1
Authority
EP
European Patent Office
Prior art keywords
outer tube
tube
actuating mechanism
vacuum cleaner
end sleeve
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
EP17708802.8A
Other languages
German (de)
English (en)
Other versions
EP3426120B1 (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
Original Assignee
Fischer Rohrtechnik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fischer Rohrtechnik GmbH filed Critical Fischer Rohrtechnik GmbH
Priority to SI201730304T priority Critical patent/SI3426120T1/sl
Publication of EP3426120A1 publication Critical patent/EP3426120A1/fr
Application granted granted Critical
Publication of EP3426120B1 publication Critical patent/EP3426120B1/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
    • 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
    • A47L9/244—Hose or pipe couplings for telescopic or extensible hoses or pipes

Definitions

  • the present invention relates to a vacuum cleaner suction tube with at least one inner tube, with at least one outer tube, with at least one actuating mechanism and with at least one inserted into the outer tube end sleeve.
  • the end sleeve is arranged between the inner tube and the outer tube and has at least one Endhülsenaus strictly strictlyung.
  • the outer tube has at least one outer tube recess and the inner tube has a plurality of latching depressions.
  • the actuating mechanism passes through the outer tube recess, wherein the actuating mechanism comprises a base plate having at least one latching recess, wherein the actuating mechanism comprises at least one latching device, wherein the latching device is movable from a locking position to at least one unlocking position.
  • the locking device occurs in the locking position through the EndhipposenausEnglishung in the direction of the inner tube, wherein the locking device is in the locking position in engagement with at least one latching recess on the inner tube and wherein in the unlocked position, a displacement of the inner tube relative to the outer tube is released by the locking device.
  • 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 pipes of this kind usually comprise a plurality of pipe 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 pipe segments.
  • the pipe segments are moved manually by the operator, ie pushed axially into one another or each other.
  • locking mechanisms are known, which are an unwanted relative Movement of the pipe segments during use of the vacuum cleaner suction pipe reliably prevent.
  • Often recesses in the walls of the pipe segments are used, which interact with corresponding locking elements on the other pipe segments.
  • vacuum cleaner suction pipes are often made of a stainless steel, wherein at least in the two end regions of a vacuum cleaner suction attachment elements, for example made of plastic, are attached.
  • the attachments are advantageously pushed onto the vacuum cleaner suction pipe or inserted into the vacuum cleaner suction pipe.
  • a special requirement is the leak-free sealing between the vacuum cleaner suction pipe and the add-on element.
  • vacuum cleaner suction pipes often have the disadvantage that a reliable seal, especially when using certain plastics for the attachment, between vacuum cleaner suction pipe and the attachment can not be sufficiently ensured.
  • the invention is therefore an object of the invention to provide a vacuum cleaner suction pipe and a method for producing a vacuum cleaner suction pipe, which allows a reliable and leak-free connection with an attachment element using any type of plastic for the attachment.
  • the above object is initially and essentially solved in a vacuum cleaner suction pipe according to the invention in that an axial movement of the ferrule is blocked relative to the outer tube by the actuating mechanism and that an inwardly directed radial movement of the actuating mechanism is blocked relative to the outer tube through the inner tube.
  • the individual components of the vacuum cleaner suction tube fix each other. It is not necessary that separate openings are formed on the outer tube to fix the ferrule, as this is blocked by the actuating mechanism in the movement.
  • An advantage of the invention therefore, is that the tightness of the vacuum cleaner suction tube is increased, since only the most necessary openings on, preferably made of stainless steel, outer tube are formed.
  • an outwardly directed radial movement of the actuating mechanism is blocked relative to the outer tube by the outer tube.
  • an outward radial movement of the actuating mechanism is blocked relative to the outer tube by the actuating mechanism, or by the base plate.
  • the base plate is dimensioned such that the actuating mechanism passes through the recess of the outer tube outwardly directed, but the base plate remains in the interior of the outer tube and abuts against the wall of the outer tube. A radially outwardly directed pushing out or pulling the actuating mechanism of the outer tube is thus not possible.
  • the actuating mechanism may lock the ferrule in position in various ways.
  • the EndhülsenausEnglishung has approximately the same size as the dimensions of the base plate, so that the base plate engages positively in the Endhülsenausappelung.
  • the thickness of the base plate, so the extension of the base plate in the radial direction corresponds approximately to the thickness of the ferrule.
  • the base plate can therefore be sunk in the EndhülsenausEnglishung so seen in the axial direction, the base plate is aligned with the end sleeve, so the base plate does not project beyond the edge of the ferrule, which faces the inner tube.
  • the ferrule may be inserted into the outer tube during manufacture of the vacuum cleaner suction tube, with the actuating mechanism already in the outer tube.
  • the ferrule is inserted so far into the outer tube until the mutually corresponding elements, so the base plate of the actuating mechanism and the EndhülsenausEnglishung engage with each other. If the end sleeve experiences a movement pulse in this position, the contours of the end sleeve recess abut the base plate and movement is prevented. The stronger the material of the end sleeve, the deeper the EndhülsenausEnglishung be.
  • the EndhülsenausEnglishung need not necessarily describe a complete recess.
  • One possibility of the embodiment is, for example, a recess into which the base plate can engage, wherein recesses may be formed in the recess, so that only the elements of the locking device pass through the Endhülsenaus aloneung, which contribute to a locking of the vacuum cleaner suction tube.
  • the actuating mechanism is frictionally connected to the end sleeve, so that an axial movement of the end sleeve is blocked relative to the outer tube.
  • the end sleeve is merely inserted into the outer tube, wherein the actuating mechanism or the base plate of the actuating mechanism exerts a sufficiently large friction on the end sleeve, so that the end sleeve can not be easily removed from the outer tube.
  • the size and design of the Endhommesenaus simplifiedung does not matter as long as it is ensured that the locking device can pass through the Endhülsenaus simplifiedung in the direction of the inner tube in the locking position, so that the locking device in the locking position into engagement with at least one Detent recess on the inner tube and a movement of the outer tube and inner tube is blocked relative to each other.
  • An advantageous embodiment provides that elongated webs are formed on the ferrule, which serve as a spacer from outer tube to end sleeve, wherein the ferrule is then connected only via the webs with the outer tube.
  • the material thickness of the base plate and the actuating mechanism can be selected independently of the ferrule. With a relatively thick base plate, insertion of the ferrule may not be possible without damage.
  • the configuration of the elongated webs, whose arrangement can be chosen so that the base plate is arranged at a distance of two webs, can be chosen such that the ferrule can still be inserted into the outer tube, but the friction between ferrule and base plate is so large in that removal of the end sleeve is not readily possible.
  • the order and number of webs can be chosen more or less freely. Also conceivable would be a recess or a material removal in the end sleeve at the point at which the actuating mechanism is in communication with the end sleeve, so that no webs are present, but the end sleeve only in the area in which the end sleeve with the base plate in contact device, has a slightly lower material thickness.
  • the ferrule has an insertion end and an outer end and that the insertion end tapers conically in at least one area.
  • the area in which the insertion end tapers should be approximately as large as the width of the base plate.
  • the end sleeve can not be inserted too far into the outer tube, it is provided in a further advantageous embodiment of the vacuum cleaner suction tube that at least one stop is provided at the outer end.
  • the stopper can cover only a small area or several small areas of the outer end.
  • the stop is formed by an enlargement of the outer diameter of the ferrule.
  • the stop is thus formed circumferentially.
  • the stop may for example also be designed such that the material is bent in the region of the enlarged outer diameter by a directed to the insertion gutter.
  • the end sleeve thus does not strike only at the end of the outer tube, but encloses the end of the outer tube. Since the outer tube is usually made of stainless steel or another metal, the ends of the outer tube can be sharp-edged.
  • the gutter shape of the stop covers the sharp edge, minimizing the risk of injury.
  • the material in the region of the increased outer diameter does not have to be the same material from which the remainder of the end sleeve is made.
  • a foam or rubber mixture can increase the tightness at the end of the pipe and, correspondingly, the reduce the risk of further damage because the material is softer than conventional plastics.
  • the outer pipe has exactly one outer pipe recess.
  • One of the advantages of the vacuum cleaner suction pipe according to the invention is that the end sleeve is not separately attached to the outer tube, but is held together by the interaction of the individual components in the outer tube. In order to improve the pressure loss and the flow characteristics of a vacuum cleaner suction tube, as few openings in the outer tube are advantageous. In the vacuum cleaner suction pipe according to the invention only one recess is necessary, as long as no other components must be attached to the outer tube. Nevertheless, with only one recess, the latching device can cooperate with the inner tube on the one hand and thus the components can be securely connected to one another on the other hand.
  • the inner tube comprises at least one longitudinal groove and that at least one spring corresponding to the longitudinal groove is formed on the end sleeve, so that the inner tube of the end sleeve in the Outside tube is guided.
  • the latching device can always engage in the corresponding latching depressions of the inner tube
  • the groove may be formed in the interior of the ferrule, wherein a corresponding spring is provided on the inner tube.
  • the inner tube comprises at least one longitudinal groove and that at least one spring corresponding to the longitudinal groove is formed on the outer tube, so that the inner tube is guided by the outer tube.
  • the longitudinal groove may be formed, for example, in the interior of the outer tube, wherein the corresponding spring is formed on the inner tube.
  • the groove on the outer tube could, for example, by deformation of the Pipe or be realized by two folds in the outer tube, so that a V-shaped groove formed in the outer tube.
  • the invention also relates to a method for producing a vacuum cleaner suction tube, comprising at least one inner tube, at least one outer tube, at least one actuating mechanism and at least one end sleeve, wherein the end sleeve has at least one Endhülsenausneh- mung, said outer tube at least one strictlyrohrausneh- , wherein the inner tube has a plurality of locking recesses and wherein the actuating mechanism has a at least one latching recess having base plate.
  • 1 is a schematic representation of an assembled vacuum cleaner suction tube
  • FIG. 2 is a perspective view of a part of an actuating mechanism
  • 3 shows an embodiment of a ferrule in a perspective view
  • FIG. 4 shows the embodiment of FIG. 3 with an inserted
  • Fig. 5 is a sectional view of an embodiment of the vacuum cleaner suction pipe
  • Fig. 6 is a schematic representation of a method for producing a vacuum cleaner suction pipe.
  • Fig. 1 shows a schematic representation of an embodiment of a vacuum cleaner suction pipe 1.
  • the vacuum cleaner suction pipe 1 has an inner tube 2, an outer tube 3, an actuating mechanism 4 and an end sleeve 5.
  • the inner tube 2 has latching recesses 8 which serve to enable the actuating mechanism 4 to engage in the latching recesses 8 by means of a latching device in order to block the relative displaceability of inner tube 2 and outer tube 3 relative to one another.
  • the actuating mechanism 4 has a two latching recesses 9 (not shown in FIG.
  • the individual components interact with each other in such a way that they fix each other.
  • the base plate 10 of the actuating mechanism is dimensioned to be larger than the outer tube recess 7. In this way, the actuating mechanism 4 can not be pressed from the inside out of the outer tube 3 through the outer tube recess 7.
  • the Endhipposenausnaturalung 6 of the ferrule 5 in turn interacts with the base plate 10 of the actuating mechanism 4, so that an axial displacement of the ferrule 5 is blocked by the actuating mechanism 4. ultimately
  • the inner tube 2 prevents the actuating mechanism 4 from being pressed into the outer tube 3 in the radial direction. All components therefore keep each other.
  • the base plate 10 comprises the base plate 10 and a holder 15 for the locking device of the actuating mechanism 4.
  • two latching recesses 9 are formed through which the latching device, not shown here, can pass to the with Detent recesses 8 of the inner tube 2 to engage.
  • the base plate is adapted to the pipe contour, so that the base plate has a curvature 16.
  • Fig. 3 shows an embodiment of an end sleeve 5.
  • webs 18 are formed, which serve to stabilize the ferrule 5.
  • they reduce the contact surface of the inserted inner tube 2 in the ferrule 5, which additionally reduces the friction.
  • the inner tube 2 can thereby be moved easily within the ferrule 5. Accordingly, the movement in the outer tube 3 is correspondingly smoother since the inner diameter of the end sleeve 5 is smaller than the inner diameter of the outer tube 3.
  • a spring 19 is formed on the inner side 17 of the end sleeve 5 a groove formed on the inner tube 2 corresponds.
  • the spring 19 is arranged opposite to the Endhülsenausnaturalung 6.
  • the Endhülsenausnaturalung 6 is in this embodiment, only one recess in the material of the ferrule 5.
  • two smaller recesses 20 are formed in the Endhülsenausnaturalung.
  • the two recesses 20 correspond to the two recesses 9 in the base plate 10.
  • a tapered portion 21 is formed, which begins at the EndhülsenausEnglishung 6 and terminates at the end of the ferrule 5 at the insertion end 11.
  • the conical region 21 serves to simplify the insertion of the end sleeve 5 into the outer tube 3 when the actuating mechanism 4 is already arranged in the outer tube 3.
  • the actuating mechanism 4 can slide on insertion on the conical region 21 and does not lock the ferrule 5 already during insertion the way.
  • the stop 13 is handled in this embodiment to the insertion end 11 out. In this way, the stop 13 encloses the end of the outer tube 3, not shown here, when the ferrule 5 is completely inserted into the outer tube 3.
  • Fig. 4 shows the main body 14 of the actuating mechanism of FIG. 2 is inserted into the EndhipposenausEnglishung 6 of the ferrule 5 of FIG. 3.
  • the Endhülsenausnaturalung 6 is designed to fit the base plate 10.
  • the base body 14 has little leeway for movements in the Endhülsenausappelung 6.
  • the ferrule 5 has no freedom of movement in the outer tube 3, not shown here, when the Betreliistsme- mechanism 4 is already arranged in the outer tube 3.
  • FIG. 4 also illustrates that the conical region 21 simplifies the insertion of the end sleeve 5 into the outer tube 3.
  • the conical region 21 serves as a ramp for the actuating mechanism 4. As the height increases, so does the friction and further movement of the end sleeve 5 into the outer tube 3 is made more difficult. Without the conical region 21, it is only possible to a limited extent to move the end sleeve 5 past the actuating mechanism 4.
  • Fig. 5 shows a sectional view of a vacuum cleaner suction pipe 1, in which all components, ie inner tube 2, outer tube 3, actuating mechanism 4 and end sleeve 5 are interconnected.
  • the outer diameter of the portion of the inner tube 2, which is not intended to immerse in the outer tube 3, increased.
  • both the outer and inner diameter of the outer tube 3 in a section 23 is increased.
  • the ferrule 5 is arranged.
  • inner and outer diameter are slightly less than in the section 23, so that between the inner tube 2 and the outer tube 3 is not too large distance, which could lead to unfavorable flow characteristics during the suction process.
  • FIGS. 6a to 6b show a schematic representation of a method for producing a vacuum cleaner suction pipe 1.
  • the ferrule 5 is inserted into the outer tube 3, wherein the actuating mechanism 4 is already arranged in the outer tube.
  • the ferrule 5 must be guided past the base plate 10 of the actuating mechanism 4 during insertion.
  • the only possibility of the end sleeve 5 to be guided past the base plate 10, is a slight elastic deformation, which is greatly exaggerated in Fig. 6b.
  • the end sleeve 5 is inserted into the outer tube 3 until the base plate 10 engages in the end sleeve recess 6.
  • Fig. 6 c shows how the ferrule 5 is already completely arranged in the outer tube 3.
  • the actuating mechanism 4 prevents further movement of the ferrule 5 in and out of the outer tube 3.
  • stop 13 blocked a further movement in the outer tube 3.
  • the inner tube 2 is inserted into the ferrule 5 and the outer tube 3.
  • the inner tube 2 prevents the operating mechanism 4 from being pushed or pulled inwardly into the outer tube 3.
  • the individual components fix each other after completion of the procedure.

Landscapes

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

Abstract

L'invention concerne un tuyau d'aspiration d'aspirateur (1) ainsi qu'un procédé de fabrication d'un tuyau d'aspiration d'aspirateur (1), comprenant au moins un tuyau intérieur (2), au moins un tuyau extérieur (3), au moins un mécanisme d'actionnement (4) et au moins un manchon d'extrémité (5) inséré dans le tuyau extérieur (3), le manchon d'extrémité (5) étant disposé entre le tuyau intérieur (2) et le tuyau extérieur (3), le manchon d'extrémité (5) comprenant au moins un évidement de manchon d'extrémité (6), le tuyau extérieur (3) comprenant au moins un évidement de tuyau extérieur (7) et le tuyau intérieur (2) comprenant une pluralité de renfoncements d'encliquetage (8). Un tuyau d'aspiration d'aspirateur (1) qui permet un raccordement fiable et sans fuites à un élément rapporté lors de l'utilisation de tous types de matériaux synthétiques est réalisé par le fait qu'un déplacement axial du manchon d'extrémité (5) par rapport au tuyau extérieur (3) est bloqué par le mécanisme d'actionnement (4) et par le fait qu'un déplacement radial, dirigé vers l'intérieur, du mécanisme d'actionnement (4) par rapport au tuyau extérieur (3) est bloqué par le tuyau intérieur (2).
EP17708802.8A 2016-03-12 2017-03-06 Tuyau d'aspiration d'aspirateur Active EP3426120B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201730304T SI3426120T1 (sl) 2016-03-12 2017-03-06 Sesalna cev sesalca

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016104557.8A DE102016104557A1 (de) 2016-03-12 2016-03-12 Staubsauger-Saugrohr
PCT/EP2017/055161 WO2017157707A1 (fr) 2016-03-12 2017-03-06 Tuyau d'aspiration d'aspirateur

Publications (2)

Publication Number Publication Date
EP3426120A1 true EP3426120A1 (fr) 2019-01-16
EP3426120B1 EP3426120B1 (fr) 2020-04-15

Family

ID=58228159

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17708802.8A Active EP3426120B1 (fr) 2016-03-12 2017-03-06 Tuyau d'aspiration d'aspirateur

Country Status (9)

Country Link
US (1) US20190167057A1 (fr)
EP (1) EP3426120B1 (fr)
CN (1) CN107613828B (fr)
DE (1) DE102016104557A1 (fr)
EA (1) EA035939B1 (fr)
HK (1) HK1249382A1 (fr)
HU (1) HUE051290T2 (fr)
SI (1) SI3426120T1 (fr)
WO (1) WO2017157707A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700108591A1 (it) * 2017-09-28 2019-03-28 Omec Spa Manicotto per una prolunga telescopica per un elettrodomestico
GB2621333A (en) * 2022-08-08 2024-02-14 Numatic Int Ltd Vacuum cleaner wand tube assembly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8707887U1 (de) * 1987-06-03 1987-08-06 Carl Froh Röhrenwerk GmbH & Co, 5768 Sundern Teleskopierbares Staubsauger-Saugrohr
DE19524290C1 (de) * 1995-07-06 1996-08-14 Froh Roehren Teleskopierbares Staubsauger-Saugrohr
DE19528814C1 (de) * 1995-08-05 1996-10-10 Fischer Rohrtechnik Gmbh Teleskopierbares Staubsauger-Saugrohr mit doppelter Verriegelung
CN2406605Y (zh) * 2000-01-18 2000-11-22 余进兴 吸尘器上的无级吸尘管
CN1307931C (zh) * 2005-02-05 2007-04-04 马卫宏 伸缩式吸尘器吸管
ITMI20060616A1 (it) * 2006-03-31 2007-10-01 Omec Spa Prolunga telescopica per un elettrodomestico
EP2606801B1 (fr) * 2011-12-19 2021-01-13 fischer Rohrtechnik GmbH Tuyau d'aspiration pour aspirateur
DE102013211766A1 (de) * 2013-04-16 2014-10-16 Fischer Rohrtechnik Gmbh Rastvorrichtung für ein Staubsauger-Saugrohr
DE102013213212A1 (de) * 2013-07-05 2015-01-08 Fischer Rohrtechnik Gmbh Staubsauger-Saugrohr

Also Published As

Publication number Publication date
CN107613828B (zh) 2020-07-24
DE102016104557A1 (de) 2017-09-14
US20190167057A1 (en) 2019-06-06
HK1249382A1 (zh) 2018-11-02
HUE051290T2 (hu) 2021-03-01
EA201891784A1 (ru) 2019-03-29
EP3426120B1 (fr) 2020-04-15
EA035939B1 (ru) 2020-09-03
WO2017157707A1 (fr) 2017-09-21
CN107613828A (zh) 2018-01-19
SI3426120T1 (sl) 2020-08-31

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