EP2438842B1 - Tubulures de raccordement dotées d'éléments d'arrêt - Google Patents

Tubulures de raccordement dotées d'éléments d'arrêt Download PDF

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Publication number
EP2438842B1
EP2438842B1 EP11174775.4A EP11174775A EP2438842B1 EP 2438842 B1 EP2438842 B1 EP 2438842B1 EP 11174775 A EP11174775 A EP 11174775A EP 2438842 B1 EP2438842 B1 EP 2438842B1
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EP
European Patent Office
Prior art keywords
connection piece
latching
latching element
locking
spring element
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
EP11174775.4A
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German (de)
English (en)
Other versions
EP2438842A3 (fr
EP2438842A2 (fr
Inventor
Alexander Flegler
Silvio Hamm
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete 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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2438842A2 publication Critical patent/EP2438842A2/fr
Publication of EP2438842A3 publication Critical patent/EP2438842A3/fr
Application granted granted Critical
Publication of EP2438842B1 publication Critical patent/EP2438842B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Definitions

  • connection piece for a vacuum cleaner, wherein the connection piece can be connected to a suction hose and a suction opening of a vacuum cleaner part, the connection piece has a first connection piece, and a tongue-shaped locking element is arranged on the connection piece, which is movable relative to the connection piece in order to against a restoring force from a locking position in which the connecting piece can be fixed by the locking element on the suction opening into an unlocking position in which the connecting piece can be released from the suction opening.
  • the US script U.S. 2,444,888 A discloses a hose connection which is releasably connected to a vacuum cleaner housing.
  • a helical spring presses an elastic latching element against a section of a clamping sleeve in such a way that the position of a catching section of the latching element, which protrudes through an opening in the clamping sleeve, is fixed.
  • German utility model DE 85 22 551 U1 an arrangement for releasably connecting the connection piece of a suction hose is disclosed, in which a locking device is fastened to the connection piece in an exchangeable manner.
  • the locking device has an annular part on which a spring tab is molded.
  • German patent application DE 10 2004 038 630 A1 discloses a coupling with a first tubular coupling element which has a locking groove and a second tubular coupling element which has two opposing locking lugs which engage in the locking groove in the coupled state of the coupling.
  • a groove flank facing the second coupling element when the coupling elements are coupled has two opposing sections which can be moved elastically inward due to U-shaped interruptions and the tongues formed as a result.
  • a decoupling is prevented when the relative rotational position of the first coupling element and the second coupling element is selected such that the latching lugs do not completely overlap the inwardly movable sections of the groove flank of the latching groove.
  • a tubular connecting unit which can be inserted into a tubular connecting piece and fixed therein, comprising two concentric components, the inner component being provided with at least one locking shoulder, spring means, for example a leaf spring, by means of which the locking shoulder is biased outwards so that it protrudes through an opening in the outer component, the locking shoulder being movable between three positions, namely a locking position in which it protrudes from the outer component, a central position in which the shoulder can be brought in order to pull the unit out of the socket enable, namely by a cam effect, which is caused by an axial relative movement of the two components, as well as an inner position in which the shoulder can be moved by hand to allow a complete separation of the two components in the axial direction.
  • the locking member or members form the only means to hold the outer component firmly on the inner component, and the construction is expediently of such a type that that mentioned Cam action can be caused in a simple manner that an axial force is only applied
  • the invention is based on the object of providing a connection piece for a vacuum cleaner that is improved over the prior art.
  • connection piece with the features of claim 1.
  • a connection piece for a suction air flow between a suction opening of a vacuum cleaner part and a suction hose can be established.
  • the suction hose can be connected to the connection piece by gluing, plugging or welding, for example.
  • the connecting piece can be connected to the suction opening of a vacuum cleaner part, in which it can be fixed in the locking position by the latching element.
  • the vacuum cleaner part can, for example, be the housing of the vacuum cleaner, in which the suction air flow can be guided through the suction opening to a dust separation unit.
  • the vacuum cleaner part can also be a handle, a suction tube or a nozzle.
  • a connection piece usually has two openings so that the suction air can flow from the suction hose to the suction opening when the connection piece is connected to the vacuum cleaner part.
  • the latching element can be brought into the unlocking position and into the locking position, so it can be moved relative to the first connector part in order to enable the detachable connection between the suction hose and the vacuum cleaner part.
  • the tongue-shaped latching element which can also be referred to as a latching tab, is arranged on the first connecting piece part via its tongue root, the tongue end being movable relative to the first connecting piece part.
  • the end of the tongue can be operated, for example.
  • the latching element can of course assume further intermediate positions in which the connecting piece is also fixed in the suction opening by the latching element.
  • a secure fixation of the connecting piece on the suction opening can be achieved in that the restoring force according to the invention acts on the latching element at least when it has been deflected from the locking position to the unlocking position.
  • the restoring force can advantageously achieve that the latching element moves without the action of external forces or in the case of a resulting force counteracting the restoring force that is less than the Is restoring force, is in the locking position and secures the connection piece in the suction opening.
  • the inventors have recognized that a deformable spring element molded in one piece on the locking element can support or even completely take over the resilience properties of the locking element in the locking position in order to relieve the locking element and thus achieve a longer service life.
  • a latching element with a longer service life can advantageously fix the connection piece more reliably to the suction opening.
  • the connection piece can be fixed even more securely to the suction opening of the vacuum cleaner part by the spring element, since the resetting function of the locking element can be at least partially taken over by the spring element and thus separated from the fixing function of the locking element. This can namely enable a spring element optimized for a reset function.
  • the spring element is formed in one piece on the tongue-shaped latching element, the number of parts of the connecting piece can be reduced and the connecting piece can thereby be manufactured more easily and quickly.
  • the spring element and the latching element can namely be produced in one production step, for example by injection molding.
  • the spring element is formed in one piece on the latching element if the spring element and the latching element are made of a uniform material and form a common component, that is to say are made of one piece.
  • the locking element is integrally formed on the first connecting piece part.
  • the latching element is then formed in one piece on the first connecting piece part if the locking element and the first connecting piece part are made of a uniform material and form a common component, that is to say are made of one piece.
  • the latching element and the first connecting piece part can be manufactured in one manufacturing step, for example by injection molding, whereby the manufacture of the connecting piece can be simplified and accelerated even further.
  • the spring element is in contact with a second connector part at least in the unlocked position.
  • the spring element can be elastically deformed in that the latching element approaches the second connecting piece part when moving from the locking position to the unlocking position.
  • the spring element can be oriented inward. That The spring element can preferably touch the second connecting piece part in the locking position or in a position between the locking position and the unlocking position, whereby it is not yet deformed.
  • the spring element is elastically deformed in the locking position of the latching element.
  • the restoring force that the spring element exerts on the latching element can be increased.
  • the spring element touches the second connecting piece part in the locking position, whereby it is not deformed or is even at a distance from the second connecting piece part.
  • the spring element is designed in the shape of a tongue.
  • the spring element is molded onto the latching element at its tongue root.
  • a tongue-shaped spring element has a simple geometric shape and can easily be manufactured using the current manufacturing processes.
  • a latching means is arranged on the latching element, which, for example, can be designed as a latching hook.
  • the tongue roots of the latching element and the spring element are arranged offset from one another.
  • the tongue roots can, for example, be arranged at different points with respect to the longitudinal extension of the connecting piece.
  • the spring element can advantageously be integrally formed with its tongue root on the latching element in such a way that the spring force that acts on the latching element by the spring element can be increased.
  • the tongue root of the spring element is integrally formed on the half of the latching element facing the tongue root of the latching element.
  • the tongue-shaped latching element and the tongue-shaped spring element extend in opposite directions, each starting from the tongue root.
  • the extension direction of the tongue-shaped latching element and the tongue-shaped spring element is the direction from the tongue root to the tongue end.
  • the two directions of extension do not have to run parallel so that they run in opposite directions, but can also include an angle to one another.
  • the first connector part is mounted on a second connector part.
  • the first connector part at least partially surrounds the second connector part, for which purpose, for example, at least a part of the first connector part can be plugged onto the second connector part, which can lead to a simplified construction of the connection connector.
  • the first connector part can be referred to as an outer connector and the second connector part as an inner connector.
  • At least two locking elements are arranged on the first connector part.
  • the at least two latching elements are particularly preferably arranged radially opposite one another on the first connecting piece part.
  • An achievable advantage of at least two locking elements is the improved fixation of the connection piece in the suction opening, since higher forces can be absorbed by at least two locking elements.
  • the locking means arranged on the locking elements can be designed to be smaller and thus more ergonomic.
  • the radial extent of a latching hook can be reduced so that it protrudes less from the latching element and the connecting piece can thus be more easily inserted into the suction opening.
  • the connecting piece can also be fixed in the suction opening by a single latching element.
  • the first connector part is designed as a hollow cylinder, and the two locking elements are arranged diametrically opposite one another. Such a first connector part can easily be plugged onto the second connector part and enable the suction opening of a vacuum cleaner part to be securely fixed.
  • connection stub has a third stub part.
  • the third connector part can, for example, be that part of the connector that is visible from the outside when the connector is inserted into the suction opening of a vacuum cleaner part.
  • the third connection piece can also be referred to as the outer body of the connection piece.
  • a flexible section is advantageously formed on the third socket part in order to prevent the hose from kinking at the connection socket.
  • This flexible section can be formed, for example, by slots and webs, so that the third connector part can be deformed in the area of the slots and webs.
  • the flexible section is particularly preferably formed at the end of the third connector part which faces away from the first and / or the second connector part.
  • the third connection part can be molded onto the first and / or the second connection part and thereby form an integral component therewith.
  • the latching element has an actuating section which engages in a window of the third connecting piece part.
  • the actuating section By means of the actuating section, the user can bring the latching element from the locking position into the unlocking position against the restoring force, so that a more convenient actuation for removing the connecting piece from the vacuum cleaner part can be made possible. In addition, accidental removal of the third connection piece from the connection piece can be avoided.
  • an actuating section is preferably arranged on each of the latching elements. Particularly preferably, each actuating section of each latching element engages in a corresponding window of the third connector part.
  • the first connector part is cylindrical.
  • the openings through which the suction air can be guided are particularly preferably arranged on the base surfaces of the cylinder.
  • the latching element is particularly preferably arranged on the lateral surface of the cylindrical first connecting piece part.
  • connection piece which can enable the connection piece to be securely and reliably fixed in the suction opening of a vacuum suction part.
  • the connection piece can be produced quickly and easily.
  • Fig. 1 shows a three-part connection piece 10 for a vacuum cleaner in a perspective illustration.
  • a sectional view of the connecting piece 10 perpendicular to the plane of the drawing Fig. 1 through the center of gravity of the connecting piece 10, dash-dotted line Fig. 1 is in Fig. 2 shown.
  • Fig. 3 is a perspective view of a first connecting piece 11 of the connecting piece 10.
  • the connecting piece 10 has a connection point 17 for a suction hose to which a suction hose can be glued in order to connect the suction hose to the connecting piece.
  • This connection point is located at an opening 21 of a cylindrical second connector part 13.
  • connection piece 10 In order to connect the connection piece 10 to a suction opening of a vacuum cleaner part, which is, for example, a vacuum cleaner housing, the cylindrically shaped first connection part 11 can be inserted up to a stop 19 into the suction opening of the vacuum cleaner part, so that only one connection piece 10 connected to the suction opening third nozzle part 15 of the connecting piece 10 is visible to the user.
  • a fluid connection for the suction air flow can be established between the suction hose and the vacuum cleaner part, for example in order to lead the dust picked up by a nozzle to the dust separation unit of the vacuum cleaner.
  • a flexible section 25 is formed on the third connection part 15.
  • the flexible section 25 is formed by slots 27 and webs 29, so that the third connector part 15 can be deformed in the area of the flexible section 25. This can prevent the suction hose from kinking on the connecting piece 10 during use.
  • the first connector part 11 is designed as a hollow cylinder and is pushed onto the second connector part 13, which is also designed as a hollow cylinder, so that the second connector part 13 is enclosed by the first connector part 11.
  • the first nozzle part 11 mounted on the second nozzle part 13 is fixed to the second nozzle part 13 by snap-in connections, which are not shown in the figures.
  • two tongue-shaped locking elements 40 are formed on the first connecting piece part 11, which are diametrically opposite one another.
  • the one-piece molded locking elements 40 can be elastically deformed and moved relative to the first connector part 11 in order to move from a locking position in which the connector 10 can be fixed by the locking elements 40 on the suction opening to an unlocking position in which the connector can be released from the suction opening is, to be able to be brought.
  • a latching hook 41 designed as a latching means is formed on each of the latching elements 40 and engages in the locking position in a corresponding latching surface on a latching groove on the suction opening in order to fix the connection piece 10 on the suction opening. In the locking position, the latching hooks 41 are therefore at least partially in the corresponding latching groove. In the unlocked position, the latching hooks 41 are located outside the corresponding latching groove, so that the connecting piece 10 can be released from the suction opening in the unlocked position of the latching elements 40. For reasons of illustration, only the locking position is shown in the figures.
  • An elastically deformable, tongue-shaped spring element 50 is formed in one piece on each of the tongue-shaped latching elements 40 and is elastically deformed in the locking position and the unlocking position of the latching element 40.
  • the spring element 50 is in contact with the second connector part 13 in the unlocking position, the locking position and the positions in between. If the latching element 40 is brought from the locking position into the unlocking position, the latching element 40 approaches the second connector part 13. For this reason, not only the latching element 40 is deformed, but also the spring element 50, so that a force must be applied in order to deform the spring element 50 and thereby bring the latching element 40 into the unlocked position.
  • the latching element 40 can thus be brought from the locking position into the unlocking position against a restoring force, the spring element 50 exerting part of the restoring force on the latching element 40.
  • the other part of the restoring force arises from the fact that the latching element 40 itself is deformed when it is brought from the locking position into the unlocking position.
  • the latching element 40 is elastically deformed in the unlocked position and the positions between the unlocked position and the locked position.
  • the latching element 40 can therefore be relieved of the load by the spring element 50, since the entire restoring force no longer has to be achieved by the elastic deformation of the latching element 50.
  • the tongue root 51 of the spring element 50 is on the half 43 of the latching element 40 facing the tongue root 47 of the latching element 40 molded.
  • the tongue roots 47, 51 of the latching element 40 and the spring element 50 are thus arranged offset from one another in the axial direction of the connecting piece 10.
  • the latching element 40 and the spring element 50 extend in opposite directions, each starting from the tongue root 47, 51 to the tongue end.
  • the latching elements 40 each have an actuating section 45 which a user can press down in order to bring the latching element 40 into the unlocked position. Since the two latching elements are opposite one another, the actuation of the latching elements 40 via the actuating sections 45 is pleasant for the user, since he can press them together with one hand.
  • the actuation sections 45 of the two latching elements each engage in a window 31 of the third connector part 15.
  • connection piece which can enable the connection piece to be securely and reliably fixed in the suction opening of a vacuum suction part.
  • the connection piece can be produced quickly and easily.

Landscapes

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

Claims (10)

  1. Manchon de raccordement (10) pour un aspirateur, dans lequel le manchon de raccordement (10) peut être relié à un tuyau d'aspiration et à un orifice d'aspiration d'une partie d'aspirateur, le manchon de raccordement (10) comprend une première partie de manchon (11), et sur la première partie de manchon (11), un élément d'encliquetage (40) est disposé, qui est mobile par rapport à la première partie de manchon (11), afin de pouvoir être amené, à rencontre d'une force de rappel, d'une position de verrouillage, dans laquelle le manchon de raccordement (10) peut être fixé par le biais de l'élément d'encliquetage (40) à l'orifice d'aspiration, dans une position de déverrouillage, dans laquelle le manchon de raccordement (10) peut être détaché de l'orifice d'aspiration, dans lequel l'élément d'encliquetage (40) est configuré en forme de languette et sur l'élément d'encliquetage (40), un élément de ressort (50) élastiquement déformable est moulé d'un seul tenant, lequel est déformé élastiquement au moins dans la position de déverrouillage de l'élément d'encliquetage (40), pour exercer au moins une partie de la force de rappel sur l'élément d'encliquetage (40),
    caractérisé en ce que l'élément d'encliquetage (40) est moulé d'un seul tenant sur la première partie de manchon (11).
  2. Manchon de raccordement (10) selon la revendication 1, caractérisé en ce que l'élément de ressort (50) est en contact avec une seconde partie de manchon (13) au moins dans la position de déverrouillage.
  3. Manchon de raccordement (10) selon la revendication 1 ou 2, caractérisé en ce que l'élément de ressort (50) est déformé élastiquement dans la position de verrouillage de l'élément d'encliquetage (40).
  4. Manchon de raccordement (10) selon l'une des revendications précédentes, caractérisé en ce que l'élément de ressort (50) est configuré en forme de languette.
  5. Manchon de raccordement (10) selon la revendication 4, caractérisé en ce que les racines de languette (47, 51) de l'élément d'encliquetage (40) et de l'élément de ressort (50) sont disposées de façon décalée l'une de l'autre.
  6. Manchon de raccordement (10) selon l'une des revendications 2 à 5, respectivement dépendantes de la revendication 2, caractérisé en ce que la première partie de manchon (11) est montée sur la seconde partie de manchon (13).
  7. Manchon de raccordement (10) selon l'une des revendications précédentes, caractérisé en ce qu'au moins deux éléments d'encliquetage (40) sont disposés sur la première partie de manchon (11).
  8. Manchon de raccordement (10) selon la revendication 7, caractérisé en ce que la première partie de manchon (11) est configurée sous forme d'un cylindre creux, et les deux éléments d'encliquetage (40) sont disposés de façon diamétralement opposée.
  9. Manchon de raccordement (10) selon l'une des revendications 2 à 8, respectivement dépendantes de la revendication 2, caractérisé en ce que le manchon de raccordement (10) comprend une troisième partie de manchon (15).
  10. Manchon de raccordement (10) selon la revendication 9, caractérisé en ce que l'élément d'encliquetage (40) comprend une section d'actionnement (45), qui s'engrène dans une fenêtre (31) de la troisième partie de manchon (15).
EP11174775.4A 2010-08-12 2011-07-21 Tubulures de raccordement dotées d'éléments d'arrêt Active EP2438842B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010039282A DE102010039282A1 (de) 2010-08-12 2010-08-12 Anschlussstutzen mit Rastelement

Publications (3)

Publication Number Publication Date
EP2438842A2 EP2438842A2 (fr) 2012-04-11
EP2438842A3 EP2438842A3 (fr) 2015-08-26
EP2438842B1 true EP2438842B1 (fr) 2021-09-15

Family

ID=44773951

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11174775.4A Active EP2438842B1 (fr) 2010-08-12 2011-07-21 Tubulures de raccordement dotées d'éléments d'arrêt

Country Status (2)

Country Link
EP (1) EP2438842B1 (fr)
DE (1) DE102010039282A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2508901B (en) * 2012-12-14 2014-11-05 Dyson Technology Ltd Canister vacuum cleaner
GB2525224B (en) * 2014-04-16 2018-12-26 Dyson Technology Ltd Cleaning apparatus
GB2525225B (en) * 2014-04-16 2016-09-14 Dyson Technology Ltd Cleaning implement for a vacuum cleaner and cleaning apparatus
CN107233050B (zh) * 2017-08-08 2022-12-06 苏州欧圣电气股份有限公司 吸尘器用的连接组件及吸尘器
EP3545808A1 (fr) * 2018-03-26 2019-10-02 HILTI Aktiengesellschaft Système de raccord pour tuyaux pour un aspirateur
DE102020122623A1 (de) 2020-08-31 2022-03-03 Miele & Cie. Kg Staubsauger

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444888A (en) 1944-12-12 1948-07-06 H A Douglas Mfg Co Coupling
US2516907A (en) * 1945-07-09 1950-08-01 H A Douglas Mfg Co Coupling
GB1066637A (en) * 1964-02-13 1967-04-26 Hoover Ltd Improvements relating to tubular spigot assemblies
DE8522551U1 (fr) 1985-08-05 1986-12-04 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
DE19616389A1 (de) 1996-04-24 1997-10-30 Bosch Siemens Hausgeraete Anordnung zum lösbaren Verbinden eines Saugstutzens mit der Saugöffnung eines Staubsaugers
DE102004038630A1 (de) 2004-08-09 2006-02-23 BSH Bosch und Siemens Hausgeräte GmbH Kupplung zum Verbinden eines Staubsaugerschlauchs mit einem Rohr

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Publication number Publication date
EP2438842A3 (fr) 2015-08-26
DE102010039282A1 (de) 2012-02-16
EP2438842A2 (fr) 2012-04-11

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