EP2792288B1 - Dispositif d'encliquetage pour un tuyau d'aspiration d'aspirateur - Google Patents

Dispositif d'encliquetage pour un tuyau d'aspiration d'aspirateur Download PDF

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Publication number
EP2792288B1
EP2792288B1 EP14164703.2A EP14164703A EP2792288B1 EP 2792288 B1 EP2792288 B1 EP 2792288B1 EP 14164703 A EP14164703 A EP 14164703A EP 2792288 B1 EP2792288 B1 EP 2792288B1
Authority
EP
European Patent Office
Prior art keywords
sleeve
lever button
vacuum cleaner
catch
cleaner suction
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
EP14164703.2A
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German (de)
English (en)
Other versions
EP2792288A1 (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
Publication of EP2792288A1 publication Critical patent/EP2792288A1/fr
Application granted granted Critical
Publication of EP2792288B1 publication Critical patent/EP2792288B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Definitions

  • the invention relates to a latching device for connecting a handle to a vacuum cleaner suction tube, wherein the latching device is mountable in an end region of a vacuum cleaner suction tube, with at least one sleeve, at least one lever button and at least one return spring, wherein the lever button has a latching projection and a pivot axis , Furthermore, the invention relates to a vacuum cleaner suction pipe with a locking device.
  • Such locking devices are known in the art in a variety of configurations and are usually mounted in an end portion of a vacuum cleaner suction tube. This allows the vacuum cleaner suction pipe via the locking device with a handle of a suction hose and thus be connected to the vacuum itself.
  • a latching recess is provided on the handle, for example, which engages positively locking with the latching projection of the lever button.
  • the locking projection differs upon insertion of the handle by the pivotally arranged lever button pivots back about the pivot axis, thus releasing an insertion of the handle.
  • the return spring then causes a return of the lever button and thus the latching projection in a locking position.
  • the locking devices known from the prior art have the disadvantage that the assembly of the locking devices takes place directly on the vacuum cleaner suction pipe and is therefore very expensive.
  • a locking device according to the preamble of claim 1 is eg in US-A-6832784 disclosed.
  • the present invention is therefore an object of the invention to provide a locking device, which reduces the cost of installation on a vacuum cleaner suction tube.
  • a clamping element is provided that the Clamping element is positively connected to the sleeve, and that the lever button is pivotally held with its pivot axis between clamping element and the sleeve.
  • the latching device can be mounted in an end region of a vacuum cleaner suction pipe, wherein the sleeve of the latching device preferably surrounds the vacuum cleaner suction pipe in its entirety.
  • the vacuum cleaner suction tube preferably comprises at least one outer tube and an inner tube, wherein the outer tube and the inner tube are telescopic relative to each other, so that the length of the vacuum cleaner suction tube is variably adjustable.
  • the locking device is used, for example, to connect a handle with the vacuum cleaner suction tube, but it is also envisaged that other components are connected to the vacuum cleaner suction tube, z. B. a suction hose without handle.
  • the locking device comprises a sleeve, which preferably serves as a carrier for the other components, namely at least one lever button and at least one return spring.
  • the lever button is pivotally supported about a pivot axis in the sleeve so that the latch projection of the lever button is movable from a lock position to a release position.
  • the clamping element is positively connected to the sleeve and arranged on the sleeve, that the lever button is pivotally held with its pivot axis between the clamping element and the lever button.
  • the lever button is easily inserted into the sleeve, for which purpose the lever button is at least partially guided from the outside through an opening in the sleeve.
  • the pivot axis is thereby positioned in a support area.
  • the lever button is held positively in the assembled state between the clamping element and sleeve.
  • the return spring is preferably positioned between sleeve and reset button.
  • the clamping element is positively secured to the sleeve, preferably by the clamping element locked with at least one latching hook on a latching portion of the sleeve.
  • the lever button is arranged fixed in position relative to the sleeve, however, such that the sleeve is pivotable in the context of a pivoting movement.
  • the pivoting of the lever button takes place Preferably, between a locking position in which the latching projection of the lever button is in a latching state or is latched with existing handle with this, and a release position in which the latching projection of the lever button is not locked or in the presence of a handle detachment of the handle would be possible.
  • the present invention has the advantage that the lever button and the return spring are held without loss on the sleeve, even in the state of the latching device that is not mounted on the vacuum cleaner suction tube.
  • the latching device can be preassembled as a whole with all the components and then be mounted on the vacuum cleaner suction tube, as a result of which the entire assembly process is simplified.
  • an advantageous reliability of the attachment of the lever button on the sleeve can be achieved according to a first embodiment, characterized in that the clamping element has two mutually parallel locking edges, and that the sleeve has two locking surfaces corresponding to the latching areas, in particular, that the locking edges parallel to the longitudinal extent the sleeve run.
  • the clamping element is thus positively connected with the two mutually parallel locking edges with the corresponding latching portions of the sleeve, for example, locked.
  • the latching flanks in particular have a locking projection extending over their entire longitudinal extension, which engages behind the latching area at least partially, so that a positive connection is realized between the clamping element and the sleeve.
  • the latching flanks each have at least one recess into which in each case engages a latching projection on the sleeve.
  • the locking lugs are preferably oriented in opposite directions, the clamping element receives an advantageous stability in the attachment of the lever button on the sleeve.
  • the locking flanks are parallel to the longitudinal extent the sleeve oriented so that the locking edges are arranged orthogonal to the orientation of the pivot axis of the lever button.
  • the stability of the latching device can be increased according to a further embodiment in that the clamping element is arranged on the inside of the sleeve, so that the clamping element in the assembled state faces the vacuum cleaner suction tube.
  • the lever button is preferably at least partially inserted from the outside through an opening in the sleeve, wherein subsequently the clamping element is brought in from the inside and is locked with the sleeve. The lever button is thus brought in from the outside, the clamping element from the inside to the sleeve.
  • the arrangement of the clamping element on the inside of the sleeve prevents parts of the locking device can be solved in the assembled state of the locking device on the vacuum cleaner suction pipe. A disassembly of the individual components of the locking device of the sleeve is therefore possible only after disassembly of the locking device from the vacuum cleaner suction pipe.
  • At least a first part of a guide bush for the pivot axis and on the clamping element at least a second part of a guide bush is formed on the sleeve, so that the pivot axis is performed in the assembled state between the clamping element and sleeve in the guide bush.
  • At least a first part of a guide bush for the pivot axis is formed on the sleeve, wherein it is also provided that two oppositely arranged first parts of a guide bush are formed so that the pivot axis of the lever key is guided on two supports.
  • the first two parts of a guide bush are advantageously on a common - imaginary - axis.
  • the first part of a guide bush for the pivot axis is formed for example as a half-shell, in which the pivot axis of the lever button is inserted.
  • the second part of the half-shell namely the second part of the guide bush, is respectively arranged on the clamping element and also designed as a half-shell, so that in the assembled state of the clamping element, a guide bush enclosing the pivot axis, preferably on both sides the pivot axis, is formed.
  • the guide bushing does not have to completely enclose the pivot axis in each case, but it is sufficient such a guide that the pivot axis can not escape from the guide bushing.
  • the return spring is formed for example as a spiral spring, plate spring or leaf spring and arranged between the sleeve and lever button, that the return spring always strives to restore the lever button in a locking position. It is provided on the one hand, that the return spring is formed as a spiral spring and arranged so that it causes a torque on the pivot axis of the lever button, but on the other hand can also be arranged such that the coil spring acts as a compression spring and is loaded in the longitudinal direction.
  • the clamping element has a recess for the latching projection of the lever button, in particular, that the clamping element surrounds the latching projection.
  • the clamping element is positively connected to the sleeve, wherein in the clamping element a unilaterally open or a closed recess is provided which surrounds the latching projection at least partially.
  • the latching projection is completely enclosed with respect to its circumference by the recess.
  • the locking projection is guided in the clamping element, whereby inter alia, the stability of the lever button is increased during a pivoting operation, namely the fact that the locking projection the lever button can not escape laterally, since such movement is prevented by the recess.
  • the clamping element has a stabilizing web arranged centrally on the clamping element, in particular that the stabilizing web is arranged parallel to the longitudinal extension of the sleeve.
  • the stabilizing web is preferably arranged centrally between and parallel to the two locking flanks.
  • the stabilizing web engages between two guide flanks provided on the lever key, so that the pivot axis of the lever key is additionally protected against tilting.
  • the guide flanks are arranged orthogonal to the pivot axis, so that the pivot axis passes through the guide flanks as plane normal.
  • a part of the pivot axis is provided laterally on both guide flanks, so that the pivot axis does not extend completely in one piece through the lever button, but consists of at least two subregions.
  • the mounting of the latching devices can be simplified according to a further embodiment in that the sleeve comprises at least a first half-shell and at least one second half-shell, in particular, that the lever button, the return spring and the clamping element are arranged on the first half-shell.
  • the sleeve comprises the vacuum cleaner suction tube in the assembled state fully, wherein the sleeve comprises a first half-shell and a second half-shell, which are each slipped over an end portion of the vacuum cleaner suction tube and locked together.
  • the latching device is preassembled on the first half-shell functioning by the clamping element is positively locked to the sleeve, namely with the first half-shell, so that the lever button is pivotally supported, whereby the latching projection between a locking position and a release position is pivotable.
  • the latching device is preferably mounted on a two-part vacuum cleaner suction tube, namely on a vacuum cleaner suction tube comprising an inner tube and an outer tube, wherein the inner tube and the outer tube relative are telescopic to each other.
  • a vacuum cleaner suction tube comprising an inner tube and an outer tube, wherein the inner tube and the outer tube relative are telescopic to each other.
  • Fig. 1 shows an embodiment of a locking device 1 for connecting a - not shown - handle with a vacuum cleaner suction pipe 2.
  • the locking device 1 is mounted in an end region of the vacuum cleaner suction tube 2 and comprises a sleeve 3 with a lever button 4.
  • the sleeve 3 comprises a first Half shell 3a and a second half-shell 3b, which completely surround the vacuum cleaner suction tube 2 in the end region. The first half-shell 3a and the second half-shell 3b are locked together.
  • the lever button 4 is in a locking position.
  • Fig. 2 shows an exploded view of an embodiment of a locking device 1 in a perspective view.
  • the latching device 1 comprises a sleeve 3, which in turn comprises a first half-shell 3a and a second half-shell 3b.
  • the first half-shell 3a and the second half-shell 3b of the Sleeve 3 are latched together by means of latching hook 5 and corresponding recesses 6.
  • the lever button 4 is shown together with a return spring 7 below the first half-shell 3a.
  • the lever button 4 has a latching projection 8 and a pivot axis 9.
  • the lever button 4 is at least partially inserted through an opening 10 in the sleeve 3 and fixed with a clamping element 11 with respect to their position, namely by the clamping element 11 is positively connected to the sleeve 3 by the clamping member 11 with the sleeve 3, in particular the first half-shell 3a, locked. Subsequently, the lever button 4 is held about its pivot axis 9 pivotally between clamping element 11 and the sleeve 3.
  • the clamping element 11 has two mutually parallel locking flanks 12 which cooperate with corresponding latching regions 13 on the sleeve 3 by the locking edges 12 engage behind the latching regions 13 in a form-fitting manner. Both the locking flanks 12 and the latching regions 13 are arranged such that they extend parallel to the longitudinal extent of the sleeve 3, in particular orthogonal to the pivot axis 9.
  • the clamping element 11 is arranged on the inside of the sleeve 3, in particular on the inside of the first half-shell 3a of the sleeve 3, so that the clamping element 11 faces the vacuum cleaner suction tube in the assembled state.
  • two first parts 14 of a guide bush are formed on the sleeve 3, in which the pivot axis 9 of the lever button 4 is introduced.
  • the first parts 14 of a guide bushing partially enclose the pivot axis 9 in the assembled state.
  • two second parts 15 of a guide bush are formed on the clamping element 11, so that the pivot axis 9 of the lever button 4 in the assembled state between the first parts 14 of a guide bush and the second parts 15 a guide bushing stationary, but is held pivotally.
  • the lever button 4 is pivotable in the assembled state between a locking position and a release position.
  • the locking projection 8 of the lever button 4 by the return spring 7 always in the direction of the locking position urged by the return spring 7 between the lever button 4, namely the locking projection 8, and the inside of the sleeve 3, namely the first half-shell 3a, supported and exerts a force in the direction of the locking position on the lever button 4 as a compression spring.
  • the clamping element 11 has a recess 16 for the latching projection 8, which surrounds the latching projection 8 in the assembled state of three sides.
  • Fig. 3 shows an embodiment of a clamping element 11 in a perspective view.
  • the two locking flanks 12 are arranged parallel to one another and extend in the edge regions of the clamping element 11.
  • the latching lugs of the latching flanks are provided opposite one another and facing one another.
  • the two second parts 15 of a guide bush for guiding the pivot axis of a lever button are arranged.
  • a stabilizing web 17 is centrally provided on the clamping element 11, which is arranged in the assembled state between two guide flanks of the lever button and thereby ensures reliable guidance of the lever button.
  • Fig. 4 shows an embodiment of a locking device 1 in the assembled state of the sleeve 3, namely the first half-shell 3a and the second half-shell 3b, without vacuum cleaner suction tube.
  • the lever button 4 is mounted in the first half-shell 3a and can be actuated by pressure on its upper side, whereby it pivots from the illustrated locking position into a release position, whereby the latching projection of the lever button 4 releases a positive connection.
  • Fig. 5 shows an embodiment of a locking device 1 in a sectional side view, wherein the section is guided in a plane in the longitudinal direction of the latching device 1.
  • the locking device 1 is assembled without a vacuum cleaner suction tube, namely, the first half-shell 3a and the second half-shell 3b of the sleeve 3 are connected.
  • the latching projections 5 of the second half-shell 3b are latched to the corresponding latching recesses 6 of the first half-shell 3a.
  • the locking projection 8 is in a locking position and is supported by the return spring 7, which is supported on the one hand on the sleeve 3 and on the other hand on the locking projection 8, in this locking position held.
  • the locking projection 8 By actuating the lever button 4, which is thereby pivoted about the pivot axis 9, the locking projection 8 is moved to a release position, namely by the locking projection 8 in the direction of the sleeve 3, in particular in the direction of the first half-shell 3a, pivoted, whereby the return spring. 7 is compressed.
  • the return spring 7 causes a provision of the locking projection 8 and thus the lever button 4 in the illustrated locking position.
  • a - not shown - handle is according to Fig. 5 from the left into the locking device 1 can be inserted. The handle would first push back the latching projection 8 from the locking position to the release position, so that the latching projection 8 can then latch positively with a latching recess on the handle by the latching projection 8 returns to its locking position.
  • the stabilizing web 17 stabilizes the lever button 4 when pivoting about the pivot axis 9, being held in position by the clamping element 11 mounted from the inside of the sleeve 3.

Landscapes

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

Claims (9)

  1. Dispositif d'encliquetage (1) pour l'assemblage d'une poignée à un tube d'aspiration (2) d'un aspirateur, dans lequel le dispositif d'encliquetage (1) peut être monté dans une région d'extrémité du tube d'aspiration d'aspirateur (2), avec au moins une douille (3), au moins une touche de levier (4) et au moins un ressort de rappel (7), dans lequel la touche de levier (4) présente une saillie d'encliquetage (8) et un axe de pivotement (9), caractérisé en ce que la douille (3) sert de support pour la touche de levier et le ressort de rappel (7), en ce qu'il est prévu un élément de serrage (11), en ce que l'élément de serrage (11) est assemblé par emboîtement avec la douille (3) et en ce que la touche de levier (4) est maintenue de façon pivotante avec son axe de pivotement (9) entre l'élément de serrage (11) et la douille (3).
  2. Dispositif d'encliquetage (1) selon la revendication 1, caractérisé en ce que l'élément de serrage (11) présente deux flancs d'encliquetage (12) disposés parallèlement l'un à l'autre, et en ce que la douille (3) présente deux régions d'encliquetage (13) correspondant aux flancs d'encliquetage (12), en particulier en ce que les flancs d'encliquetage (12) sont parallèles à l'extension longitudinale de la douille (3).
  3. Dispositif d'encliquetage (1) selon la revendication 1 ou 2, caractérisé en ce que l'élément de serrage (11) est disposé sur le côté intérieur de la douille (3), de telle manière que l'élément de serrage (11) soit, dans l'état monté, tourné vers le tube d'aspiration d'aspirateur (2).
  4. Dispositif d'encliquetage (1) selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'au moins une première partie (14) d'un coussinet de guidage pour l'axe de pivotement (9) est formée sur la douille (3) et au moins une deuxième partie (15) d'un coussinet de guidage est formée sur l'élément de serrage (11), de telle manière que l'axe de pivotement (9) de la touche de levier (4) soit guidé dans le coussinet de guidage entre l'élément de serrage (11) et la douille (3).
  5. Dispositif d'encliquetage (1) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le ressort de rappel (7) s'appuie entre la douille (3) et la touche de levier (4), et en ce que le ressort de rappel (7) recherche toujours un rappel de la touche de levier (4) dans une position de verrouillage.
  6. Dispositif d'encliquetage (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'élément de serrage (11) présente un évidement (16) pour la saille d'encliquetage (8) de la touche de levier (4), en particulier en ce que l'élément de serrage (11) entoure la saillie d'encliquetage (8).
  7. Dispositif d'encliquetage (1) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que l'élément de serrage (11) présente une nervure de stabilisation (17), en particulier en ce que la nervure de stabilisation (17) est disposée parallèlement à l'extension longitudinale de la douille (3).
  8. Dispositif d'encliquetage (1) selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la douille (3) comprend au moins une première demi-coquille (3a) et au moins une deuxième demi-coquille (3b), en particulier en ce que la touche de levier (4), le ressort de rappel (7) et l'élément de serrage (11) sont disposés sur la première demi-coquille (3a).
  9. Tube d'aspiration d'aspirateur (2), avec au moins un tube extérieur et au moins un tube intérieur, dans lequel le tube extérieur et le tube intérieur peuvent coulisser l'un par rapport à l'autre, caractérisé en ce qu'un dispositif d'encliquetage (1) selon l'une quelconque des revendications 1 à 8 est disposé sur le tube d'aspiration d'aspirateur (2).
EP14164703.2A 2013-04-16 2014-04-15 Dispositif d'encliquetage pour un tuyau d'aspiration d'aspirateur Active EP2792288B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013206773 2013-04-16
DE102013211766.3A DE102013211766A1 (de) 2013-04-16 2013-06-21 Rastvorrichtung für ein Staubsauger-Saugrohr

Publications (2)

Publication Number Publication Date
EP2792288A1 EP2792288A1 (fr) 2014-10-22
EP2792288B1 true EP2792288B1 (fr) 2017-03-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP14164703.2A Active EP2792288B1 (fr) 2013-04-16 2014-04-15 Dispositif d'encliquetage pour un tuyau d'aspiration d'aspirateur

Country Status (6)

Country Link
US (1) US9655488B2 (fr)
EP (1) EP2792288B1 (fr)
CN (1) CN104107009B (fr)
DE (1) DE102013211766A1 (fr)
EA (1) EA027155B1 (fr)
HK (1) HK1203137A1 (fr)

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GB2521182B (en) * 2013-12-12 2015-11-25 Munster Simms Eng Ltd Coupling assembly for a water supply and a plug therefor
DE102015111131A1 (de) * 2015-07-09 2017-01-12 Miele & Cie. Kg Adaptereinheit für ein Bodenpflegegerät, Saugrohr für ein Bodenpflegegerät mit einer Adaptereinheit, Bodenpflegegerät sowie Verfahren zum Herstellen einer Adaptereinheit für ein Bodenpflegegerät
DE102016104557A1 (de) * 2016-03-12 2017-09-14 Fischer Rohrtechnik Gmbh Staubsauger-Saugrohr
CN108143348A (zh) * 2018-02-09 2018-06-12 宁波暴黑智能科技有限公司 吸尘器长管
DE102018120641A1 (de) * 2018-08-23 2020-02-27 Vorwerk & Co. Interholding Gmbh System, Saugrohr und Verfahren zum Entriegeln eines Anschlusses zwischen einem Staubsaugergrundkörper und einer Saugdüse oder zum Entriegeln eines Anschlusses zwischen einem Saugrohr und einer Saugdüse
KR102099683B1 (ko) * 2018-08-30 2020-04-10 삼성전자주식회사 진공청소기
CN111281261B (zh) * 2018-12-10 2024-05-28 苏州市春菊电器有限公司 一种具有自锁功能的吸尘器手柄连接结构及吸尘器

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Also Published As

Publication number Publication date
CN104107009B (zh) 2018-11-20
HK1203137A1 (en) 2015-10-23
CN104107009A (zh) 2014-10-22
EA201400349A3 (ru) 2014-12-30
EA201400349A2 (ru) 2014-10-30
US9655488B2 (en) 2017-05-23
US20140306444A1 (en) 2014-10-16
DE102013211766A1 (de) 2014-10-16
EA027155B1 (ru) 2017-06-30
EP2792288A1 (fr) 2014-10-22

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