EP0711526A2 - Tubulure de connexion pour aspirateur - Google Patents

Tubulure de connexion pour aspirateur Download PDF

Info

Publication number
EP0711526A2
EP0711526A2 EP95116707A EP95116707A EP0711526A2 EP 0711526 A2 EP0711526 A2 EP 0711526A2 EP 95116707 A EP95116707 A EP 95116707A EP 95116707 A EP95116707 A EP 95116707A EP 0711526 A2 EP0711526 A2 EP 0711526A2
Authority
EP
European Patent Office
Prior art keywords
deflection
connection piece
deflection part
connecting piece
motor housing
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
EP95116707A
Other languages
German (de)
English (en)
Other versions
EP0711526A3 (fr
EP0711526B1 (fr
Inventor
Johannes Sinstedten
Peter Feldhaus
Wieland Gühne
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vorwerk and Co Interholding GmbH
Original Assignee
Vorwerk and Co Interholding GmbH
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 Vorwerk and Co Interholding GmbH filed Critical Vorwerk and Co Interholding GmbH
Priority to SI9530248T priority Critical patent/SI0711526T1/xx
Publication of EP0711526A2 publication Critical patent/EP0711526A2/fr
Publication of EP0711526A3 publication Critical patent/EP0711526A3/fr
Application granted granted Critical
Publication of EP0711526B1 publication Critical patent/EP0711526B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

  • the invention relates to a connecting piece for a vacuum cleaner for connecting a vacuum cleaner hose to a vacuum cleaner motor housing, a connecting piece which can be connected to the motor housing and a deflection which adjoins the connecting piece to the outside and is approximately 90 °.
  • Connection pieces for vacuum cleaners which have an angle of curvature between the piece and a deflection part of 0 - 90 °. These connecting pieces serve as a releasable connecting element between the vacuum cleaner hose and the vacuum cleaner motor housing. In this case, connecting pieces are preferred which form an inseparable unit with the suction hose. The separation takes place between the connection piece and the vacuum cleaner motor housing. Curved connecting pieces, which have a deflection of approximately 90 °, are mostly used on vacuum cleaners with an overhead air supply in order to prevent the flexible hose from kinking and to enable ergonomic operation. The connecting piece and basic unit are often designed so that they allow the suction hose to rotate to the basic unit.
  • the known curved connecting pieces are formed in one piece with an essentially cylindrical flow cross section. Due to production, these have a sharp-edged transition on the inside of the bend in the flow channel. Any blockages, which are promoted by the sharp-edged transition, are particularly difficult to remove in the known prior art if these blockages occur on the hose-side leg, ie in the area of the deflection part of the curved connecting piece, since this area is very difficult to access is. Furthermore, the sharp-edged transition leads to flow losses.
  • the object of the present invention is to improve a generic connector in terms of handling.
  • the connecting piece is removed from the motor housing and the connecting piece is pivoted away from the deflection part in such a way that an opening (inspection opening) is created which makes the suction channel accessible.
  • the connecting piece and the deflection part are advantageously connected to one another even after the suction channel has been opened. After opening, the nozzle remains captive on the deflection part and thus on the suction hose.
  • the two parts can be completely separated from each other.
  • the parting plane runs essentially perpendicular to a nozzle axis.
  • the parting plane is advantageously arranged such that an essentially complete deflection is formed on the deflection part on the outside of the curve.
  • the pivotable connection piece has essentially no deflection in the region of the connection piece on the outside of the curve. It is advantageously provided that the parting plane is formed on the inside of the curvature at the beginning of the curvature.
  • An embodiment is preferred in which the parting plane is placed in such a way that a deflection area on the outside of the bend is formed entirely on the deflection part and a deflection area on the inside of the bend is completely formed on the connecting piece. Due to the two-part design of the connecting piece, it is possible in terms of production technology to round the entire contour of the deflection area both on the outside and on the inside of the curve. In the known prior art, the one-piece connecting pieces are provided on the inside of the bend with sharp-edged deflections. This is due to manufacturing technology. The rounded contour of the deflection area on the inside of the bend reduces the risk of clogging in the subject of the invention.
  • the entire deflecting area is uncovered, which considerably facilitates access to areas with a high tendency to blockage and enables the cause of the blockage to be easily removed.
  • An embodiment is preferred in which the deflection is equal to or greater than 90 °, preferably 90-110 °, based on the angle that the central axes of the deflection part and connecting piece enclose.
  • the arrangement is chosen such that the parting plane encloses an acute angle with the central axis of the deflection part.
  • the angle between the parting plane and the central axis of the deflection part is advantageously 0-20 °, preferably 10 °. With an exact 90 ° deflection, the parting plane runs parallel to the central axis of the deflection part.
  • the connection piece can be provided with a hinge pin which is held in a corresponding receptacle of the deflection part. This can be implemented in such a way that the hinge pin is fixed within the receptacle by means of a rear grip, but is rotatably mounted.
  • connection piece on the deflection part is secured in the operating position by means of a clip lock opposite the hinge.
  • the deflection part can have a latching lug, which engages in a corresponding recess in the connecting piece in the operating position.
  • the nozzle is used to expose the deflection area pivoted away from the deflecting part, wherein the locking projection of the deflecting part can spring back due to the material.
  • the hinge axis is aligned perpendicular to the nozzle axis. It is also advantageous that the deflection part forms a support edge which is directly assigned to the motor housing and is spaced apart and arranged in the nozzle direction below the clip connection. Both the clip and the hinge connection are arranged in the space formed by the support edge. The consequence of this is that the connection piece can be swiveled away from the deflection part only after the connection piece has been removed from the motor housing, since only then can the swivel mechanism be gripped.
  • the nozzle also has at least partially a support edge which, in the operating position, lies on the same level as the support edge of the deflection part.
  • the pivotable connecting piece In the operating position, ie when the connecting piece is placed on the motor housing, the pivotable connecting piece is secured between the parting plane and the support edge.
  • the support edge extends in the sense of a two-shell configuration into a pipe section of the deflection part.
  • a mechanism for releasing the connection between the connection piece and the motor housing can be provided.
  • the vacuum cleaner 1 shown in FIG. 1 is designed as a towing device and has a motor housing 3 which can be moved on rollers 2. In the latter, a blower motor (not shown) is provided.
  • the motor housing 3 has a pivotable motor housing flap 4, which is in the closed position in a snap connection to the motor housing 3. To open the flap 4 is a handle on one end of the motor housing 3 5 provided. After opening the flap 4, a chamber for receiving a dust filter bag, not shown, is exposed.
  • a 360 ° pivotable connection piece 6 is attached, which is connected to a flexible suction hose 7.
  • the latter forms the connection to a suction nozzle, also not shown, provided with a handle and handle.
  • the connecting piece 6 is essentially formed in two parts, with a connecting piece 9 being associated with a connecting piece 8 that can be connected to the motor housing 3 or with the flap 4.
  • the central axis x of the deflection part 9 and the central axis y of the connecting piece 8 enclose an angle alpha of approximately 100 °.
  • the angle alpha is 90 to 110 °.
  • the connecting piece 8 and the deflection part 9 form a unit and have a suction channel 10 with a cylindrical flow cross-section, which is oriented essentially coaxially to the central axes x and y.
  • a rounded deflection region B of the suction channel 10 is formed in the region of the transition from the nozzle 8 to the deflection part 9.
  • a first channel section A viewed in the suction direction R, in the area of a cylindrically shaped tube section 11 of the deflection part 9, the deflection area B adjoining the channel section A and a closing channel section C, which is coaxial to the central axis y is arranged in the area of the nozzle 8.
  • the nozzle 8 is pivotally mounted about a pivot axis z on the deflection part 9.
  • the hinge axis z is oriented perpendicular to the nozzle axis y.
  • the parting plane E formed by the two-part connection piece 6 extends perpendicular to the nozzle axis y and is laid out in such a way that a deflection area B ′ of the suction channel 10 on the outside of the bend is formed entirely on the deflection part 9 and a deflection area B ′′ on the inside of the bend is formed entirely on the piece 8.
  • the parting plane E includes an acute angle beta of approximately 10 ° with the central axis x of the deflection part 9. According to the other conceivable embodiments already mentioned, in which the deflection angle alpha is in the range between 90 and 110 °, the angle beta can also vary accordingly between 0 and 20 °.
  • a deflection area B' 'rounded off on the inside of the bend can be produced in a technically simple manner. In the known prior art, only sharp deflections are provided in this area due to the method of manufacture.
  • a hinge connection S is provided for the pivotable arrangement of the connecting piece 8 on the deflection part 9.
  • the connector 8 has a solid collar at the end region assigned to the parting plane E. 12, which is formed on the outside of the wall 13 of the nozzle 8.
  • the height of this collar 12 corresponds to the distance from the parting plane E to the upper side 14 of the motor housing flap 4, in the operating state, ie when the connecting piece 6 is placed on the motor housing 3.
  • the collar 12 associated with the connector 8 is a hinge pin 16 oriented perpendicular to its central axis y. The latter is mounted rotatably about the hinge axis z in a hinge receptacle 17 on the deflection part side.
  • the hinge receptacle 17 is formed in the region of a support collar 18 of the deflection part 9 as an open groove, the opening of the groove pointing in the installed state of the connecting piece 6 in the direction of the top 14 of the flap 4.
  • an undercut is provided in the area of the opening.
  • the support collar 18 is in the flow direction R inside the curvature of the connecting piece 6 at the end of the deflection part 9, d. H. at the end facing away from the receiving opening 15, on the outside of the wall 9 'of the deflection part 9 aligned parallel to the central axis y of the connector 8 and extends here in the operating position, starting from the wall 9', to the top 14 of the flap 4. Die The underside of this support collar 18 lies in the operating position on one level with the underside of the neck collar 12.
  • the connector 8 is still connected to the deflection part 9.
  • the collar 12 of the socket 8 has a window opposite the hinge S. 19, in which a locking element 20 on the deflection part side can engage.
  • the deflection part 9 is formed with two shells, the latter forming a support edge 21 which is directly assigned to the motor housing 3 or the flap 4. This support edge 21 is in the operating position on the same level as the undersides of the support collar 18 and the neck collar 12. Furthermore, the support edge 21 is spaced from the clip connection K.
  • the support edge 21 forms a receiving space 22 below the parting plane E, in which both the hinge S and the clip connection K are arranged. Furthermore, this space 22 forms the receptacle for the neck collar 12.
  • the two-shell structure of the deflection part 9 is designed such that the wall 23 of the outer shell is spaced apart from the inner wall 9 'to form a cavity 24.
  • This cavity 24 extends along the axis x in the lateral regions of the deflection part 9 to in its end area.
  • the deflection part 9 has an intermediate floor 25 which extends parallel to the parting plane E between the wall 23 of the outer shell and the inner wall 9 '.
  • the already mentioned latching element 20 which has at its free end a latching nose 26 which engages in the window 19 of the neck 8 in the operating position of the connecting neck 6.
  • the connecting piece 6 In the operating position, the connecting piece 6 is placed on the motor housing 3 or on the flap 4 in such a way that the connecting piece 8, with its cylindrical section extending from the collar 12, enters a correspondingly shaped housing-side receptacle 27.
  • the connector 8 is snap-connected to the deflection part 9.
  • the suction channel 10 is closed, which provides a connection between the motor housing 3 and the suction hose 7.
  • the connector 8 is caught in the region of its collar 12 in the receiving space 22, which in this way, in connection with the clip connection K, provides a rigid connection for forming the suction channel 10. It is only possible to twist the entire connecting piece 6 about the central axis y of the connecting piece 8, for which purpose the connecting piece 6 with locking elements 28 engage in corresponding receptacles of a flap-side, rotatably mounted coupling plate 29.
  • Two latching elements 28 are provided, which are arranged offset by 90 ° about the central axis y relative to the hinge S or for the clip connection K on the deflection part 9.
  • the latching elements 28 extend beyond the support edge 21.
  • a push button 30 is provided on the connecting piece 6 in the region of the deflection part 9, with which the latching elements 28 are displaced counter to a spring force perpendicular to the central axis y of the connecting piece in such a way that they come from a rear grip step in the area of the plate-side mount. Thereafter, the connector 6 can be lifted from the flap 4.
  • connection piece 8 can be pivoted away from the deflection part 9 about the hinge axis z, after which the deflection area B is exposed. An inspection opening is thus formed.
  • Both the deflection area B and the channel sections A and C are freely accessible and therefore easy to clean.
  • the connector 8 is held captive on the deflection part 9 due to the rear grip in the area of the hinge receptacle 17.
  • connection piece 8 is pivoted away from the deflection part 9 in the simplest manner by the operator moving the connection piece 8 in the direction of arrow a in FIG. 6, the catch element 20 on the deflection part side yielding resiliently.
  • the locking element 20 engages again in the window 19 of the connector 8 when it is closed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Manipulator (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Connecting Device With Holders (AREA)
  • Motor Or Generator Frames (AREA)
EP95116707A 1994-11-04 1995-10-24 Tubulure de connexion pour aspirateur Expired - Lifetime EP0711526B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9530248T SI0711526T1 (en) 1994-11-04 1995-10-24 Connecting pipe for suction cleaner

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4439416A DE4439416A1 (de) 1994-11-04 1994-11-04 Anschlußstutzen für einen Staubsauger
DE4439416 1994-11-04

Publications (3)

Publication Number Publication Date
EP0711526A2 true EP0711526A2 (fr) 1996-05-15
EP0711526A3 EP0711526A3 (fr) 1996-10-02
EP0711526B1 EP0711526B1 (fr) 1999-03-10

Family

ID=6532473

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95116707A Expired - Lifetime EP0711526B1 (fr) 1994-11-04 1995-10-24 Tubulure de connexion pour aspirateur

Country Status (7)

Country Link
EP (1) EP0711526B1 (fr)
AT (1) ATE177302T1 (fr)
DE (2) DE4439416A1 (fr)
DK (1) DK0711526T3 (fr)
ES (1) ES2129169T3 (fr)
GR (1) GR3029708T3 (fr)
SI (1) SI0711526T1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005110178A1 (fr) * 2004-05-13 2005-11-24 Dyson Technology Limited Dispositif de nettoyage

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005045543A1 (de) 2005-09-23 2007-03-29 Vorwerk & Co. Interholding Gmbh Bodenstaubsauger
DE102010000607B4 (de) 2010-03-02 2022-06-15 Vorwerk & Co. Interholding Gmbh Als Basisstation für ein selbsttätig verfahrbares Saug- und/oder Kehrgerät einsetzbarer Haushaltsstaubsauger
DE102010033114A1 (de) * 2010-08-02 2012-02-02 Siemens Aktiengesellschaft Anschlussstutzen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4443910A (en) * 1982-06-29 1984-04-24 General Signal Corporation Above-the-floor adaptor for upright vacuum cleaner
US4597130A (en) * 1985-01-09 1986-07-01 Whirlpool Corporation Electrical connection means for canister vacuum cleaner

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005110178A1 (fr) * 2004-05-13 2005-11-24 Dyson Technology Limited Dispositif de nettoyage

Also Published As

Publication number Publication date
ES2129169T3 (es) 1999-06-01
ATE177302T1 (de) 1999-03-15
DE59505275D1 (de) 1999-04-15
EP0711526A3 (fr) 1996-10-02
DK0711526T3 (da) 1999-10-04
DE4439416A1 (de) 1996-05-09
EP0711526B1 (fr) 1999-03-10
SI0711526T1 (en) 1999-08-31
GR3029708T3 (en) 1999-06-30

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