EP1784105B1 - Staubsauger mit angeformtem ventilgehäuse - Google Patents

Staubsauger mit angeformtem ventilgehäuse Download PDF

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Publication number
EP1784105B1
EP1784105B1 EP05779845A EP05779845A EP1784105B1 EP 1784105 B1 EP1784105 B1 EP 1784105B1 EP 05779845 A EP05779845 A EP 05779845A EP 05779845 A EP05779845 A EP 05779845A EP 1784105 B1 EP1784105 B1 EP 1784105B1
Authority
EP
European Patent Office
Prior art keywords
valve
housing part
valve housing
vacuum cleaner
cleaner according
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.)
Not-in-force
Application number
EP05779845A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1784105A1 (de
Inventor
Roland Illig
Thomas PÖTSCH
Christian Scheler
Thomas Seith
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 Bosch und Siemens 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 Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1784105A1 publication Critical patent/EP1784105A1/de
Application granted granted Critical
Publication of EP1784105B1 publication Critical patent/EP1784105B1/de
Not-in-force 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
    • A47L9/0072—Mechanical means for controlling the suction or for effecting pulsating action
    • 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/19—Means for monitoring filtering operation
    • 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
    • A47L9/22—Mountings for motor fan assemblies

Definitions

  • the invention relates to a vacuum cleaner with a vacuum valve according to the preamble of claim 1.
  • a vacuum cleaner on the market has a vacuum-controlled valve which opens a secondary air duct when a permissible maximum negative pressure is exceeded, so that, for example, in the event of blockages in the area of the dust filter, air can still be sucked in through the motor / fan unit. Since the fan motor is cooled by the suction air flow, it must be ensured that the motor / fan unit always flows through a minimum air flow. If the air intake, for example, due to blockages in the region of the nozzle, the suction pipe, the suction hose or the dust filter bag interrupted, it may come without such Crow Kunststoffansaugung overheating of the motor / blower unit.
  • a cup-shaped valve body In a vacuum cleaner on the market a cup-shaped valve body is biased by a spring coil in its closed position used in a valve housing.
  • the valve housing is made of plastic and latched by means of snap hooks on an electrical circuit board of the vacuum cleaner.
  • care must be taken to ensure that an inlet opening provided on the valve housing and an outlet opening are largely air-tightly coupled to a secondary air channel provided in the housing of the vacuum cleaner. Due to the structural separation of the secondary air duct and the valve housing assembly is difficult and there is a risk that the valve housing is not sufficiently airtight coupled to the secondary air duct. Incorrect air flows can lead to a faulty function of the vacuum valve.
  • the publication DE2017107A1 discloses a vacuum cleaner with a dust bag, which is followed by a suction fan.
  • the vacuum cleaner further includes a safety valve that releases a sub-air path to the suction side of the blower at excessive negative pressure.
  • the vacuum cleaner on a display device whose display element is adjustable by the negative pressure on the suction side. The display element is in operative connection with the valve, such that it is adjusted in the display position when the valve is open.
  • the publication EP1302149A2 also discloses a vacuum cleaner having a vacuum valve.
  • This vacuum valve is provided together with a vacuum switch in an intermediate housing cover, which closes a motor chamber of the vacuum cleaner. If the vacuum in the engine chamber is too great, the vacuum valve opens and supplies additional air to the engine chamber in order not to overheat or overload the engine.
  • the object of the invention is to provide a vacuum cleaner with a vacuum valve, which can be mounted in a simple and reliable manner.
  • a further object of the invention is to make the function of the vacuum valve reliable.
  • valve housing formed at least in two parts with a first valve housing part and a second valve housing part, wherein for mounting the valve housing by assembling a first housing part and a second housing part of the vacuum cleaner, the first valve housing part on the first housing part and the second valve housing part on the second Housing part is provided.
  • the valve housing is made in two parts and each of the valve housing is provided on another housing part of the vacuum cleaner, the assembly of the valve housing by the assembly step of assembling the housing parts of the vacuum cleaner can take place. This eliminates a separate assembly step for the assembly of the valve body parts.
  • this assembly step can be used simultaneously for mounting the valve housing parts.
  • the two valve housing parts are arranged on those housing parts of the vacuum cleaner, which already receive parts of the secondary air duct. Ie. an intake opening of a first valve housing part and an outflow opening of a second valve housing part may already be formed fixedly connected to the secondary air passage. This eliminates a separate seal between the valve housing and secondary air duct. By eliminating a separate seal, the reliability of the function of the vacuum valve is increased, since it can lead to fewer failures due to unwanted leakage.
  • the first valve housing part is integrally formed on the first housing part and / or the second valve housing part on the second housing part. If the housing part and the valve housing parts are manufactured as plastic parts, then each valve housing part in the plastic injection molding process directly on the a housing part are formed. Due to the direct molding of the valve housing parts to the housing parts of the vacuum cleaner accounts for separate assembly steps for attaching the valve housing parts to the housing parts of the vacuum cleaner and separate fasteners are no longer required. Due to the additionally achieved reduction in the number of parts, the overall production of the vacuum cleaner is more cost-effective.
  • the first valve housing part is provided on a Gebläsekapselteil.
  • an additional second inner housing is provided in addition to the sealed installation of the motor / blower unit in the housing of the vacuum cleaner, which surrounds the motor / blower unit in addition to form a second sound-insulating wall an additional To achieve noise reduction.
  • Such an additional housing, which surrounds the motor / blower unit is also referred to as a blower capsule. Since the secondary air channel with a flow side to the interior of the fan capsule must be connected, it is particularly advantageous if a valve housing part is already formed on a Gebläsekapselteil. This achieves a direct connection of the vacuum valve to the secondary air duct.
  • the second valve housing part is provided on a housing space cap.
  • a blower cap while an outer housing part of the vacuum cleaner is understood, which surrounds the fan capsule of the motor / blower unit.
  • the blower cap can also form the visible outer wall of the vacuum cleaner.
  • the secondary air duct For sucking in fresh air via the secondary air duct, the secondary air duct must be fluidically connected to the environment. Ie. at least on an outer housing part of the vacuum cleaner, a so-called secondary air opening is required to be sucked into the secondary air duct via the secondary air from the environment when the vacuum valve is open.
  • the second valve housing part and the blower cap made of plastic, these two parts can also be in a simple manner in the plastic injection molding process be prepared, ie the second valve housing part is formed directly on the blower hood.
  • valve housing is formed at least in two parts, then a seal is required between the two valve housing parts.
  • the first and the second valve housing part can be sealed in an assembled position of the housing parts of the vacuum cleaner by means of a labyrinth seal.
  • a labyrinth seal provided according to the invention, a separate sealing component is dispensable. By eliminating a separate sealing component and the Monatage is simplified because no additional seal between the valve body parts must be inserted.
  • a labyrinth seal according to the invention sufficient sealing between the valve body parts is achieved solely by joining the housing parts of the vacuum cleaner.
  • the invention further provides for pre-assemble a spring-biased valve lifter on one of the valve housing parts.
  • a locking means between the valve stem and valve housing part is provided in the valve housing part.
  • a spring element is inserted into the valve housing part and the valve stem is attached.
  • the locking means engages behind the valve stem and holds it in a spring-biased position in the valve housing part.
  • the latching means is preferably formed by a latching lug of the valve housing part which engages behind the valve plunger. If the valve housing part or the housing part of the vacuum cleaner is made of plastic, the latching means, which has the latching lug, can be formed directly on the valve housing part or the housing part of the vacuum cleaner.
  • the locking means for retaining the spring-loaded valve stem is no longer necessary.
  • the spring-biased valve lifter can then be held in position solely by the closed valve housing.
  • the locking lug is relieved in assembled position of the housing parts of the vacuum cleaner, or the valve housing parts of the spring-biased valve lifter.
  • the spring-biased valve tappet can have a circular cross section and the valve housing part can have an oval or elliptical cross section.
  • the valve lifter When the circular valve lifter is inserted in the oval or elliptical valve housing part, the valve lifter does not completely seal the cross section of the valve housing. Between the circular valve stem and the oval or elliptical valve housing part remain two crescent-shaped cross-sections, which form a bypass.
  • valve housing part may have a circular cross section in which an oval or elliptical valve tappet is inserted.
  • FIG. 1 a blower capsule part 1 is shown.
  • the blower capsule part 1 is hood-shaped.
  • the hood-shaped Gebläsekapselteil 1 has a top wall 2, in which an exhaust opening 3 is inserted.
  • the blow-out opening 3 encloses a receptacle 4, which is designed to receive a blow-off filter.
  • a receptacle 4 which is designed to receive a blow-off filter.
  • the unillustrated exhaust filter in the receptacle 4 is releasably held.
  • side walls 6 of the hood-shaped fan part 1 extend downwards.
  • the circumferential side walls 6 have a free edge 7, to which a cross-sectionally U-shaped channel 8 is provided.
  • a sealant in particular a sealing cord 9 used.
  • the channel 8 together with an unillustrated edge of a lower part of the vacuum cleaner form a labyrinth seal.
  • fastening tabs 10 are formed on the side wall 6 and the channel 8 . Through the openings 11 fastening means such as screws can be used, whereby the blower capsule part 1 can be pressure-tightly secured by means of the fastening tabs 10 on the not shown lower shell of the vacuum cleaner.
  • a first valve housing part 12 is integrally formed.
  • the valve housing part 12 is cup-shaped.
  • the pot-shaped valve housing part 12 has a valve bottom 13, followed by the vertical pot walls 14.
  • the pot wall 14 has a cross-sectionally elliptical basic shape.
  • a latching means 17 is integrally formed on the pot wall 14.
  • the latching means 17 has a latching lug 18 which engages over the valve plunger 16 in the assembled state.
  • a downstream outlet opening 19 is provided on the valve bottom 13.
  • a bottom-side sealing wall 20 is integrally formed.
  • the sealing wall 20 is seated on the entrance of a secondary air duct, not shown, on the vacuum cleaner housing.
  • the sealing wall 20 is arranged at an opposite end of the valve housing part 12 is formed on the pot wall 14, a sealing edge 21.
  • the sealing edge 21 brings in the assembled state of the blower capsule part. 1 with a blower cap 22 in a labyrinth channel 23 of a second valve housing part 24 a.
  • the second valve housing part 24 is in FIG. 2 shown in more detail.
  • blower hood 22 is like the fan capsule part 1 hood-shaped.
  • the second valve housing part 24 is integrally formed on an inner side of the cap wall 25, to which the downwardly directed labyrinth channel 23 is formed.
  • a pipe section 27 is integrally formed on the cover wall 26 coaxially with the labyrinth channel 23. A free edge 28 of the pipe section 27 is seated in the mounted of the vacuum valve on the bottom surface of the valve stem 16 sealingly.
  • FIG. 3 shows the blower capsule part 1 from FIG. 1 in the plan view.
  • the pot wall 14 of the valve housing part 12 has an oval or elliptical shape.
  • the guide ribs 15 are formed smaller in the vicinity of the short radius of the elliptical cross section than in the vicinity of the large radius of the elliptical cross section.
  • the different size of the guide ribs 15 serves to receive a valve stem 16 with a circular cross-section.
  • FIG. 4 shows a partial section of the fan capsule part 1 according to FIG. 1 ,
  • a seat 30 is provided, on which a separate spring element 31 can be placed.
  • the seat 30 may be formed directly on the valve bottom 13 of the valve housing part 12.
  • the spring element 31 may be formed as a separate component such as a metallic spring coil, but the spring element may, for example, be formed directly on the valve stem 16.
  • the spring element as the valve stem 16 is formed of plastic and formed of plastic spring element formed on the underside of the top surface of the valve stem 16.
  • valve stem 16 After putting on the separate spring element 31 on the seat 30 or after direct insertion of the valve stem 16 in the valve housing part 12 slides the valve stem 16 along the guide ribs 15 of the cup walls 14 down until the locking lug 18 of the locking means 17 is locked behind the top surface of the valve stem 16. In the in FIG. 4 shown latched position of the valve stem is prevented that the mechanical bias of the spring element 31, the valve stem 16 pushes out of the valve housing part 12. In this preassembled position of the valve tappet 16, the valve tappet 16 can be mounted together with the fan capsule part 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Suction Cleaners (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Details Of Valves (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
EP05779845A 2004-08-24 2005-08-04 Staubsauger mit angeformtem ventilgehäuse Not-in-force EP1784105B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004040985A DE102004040985A1 (de) 2004-08-24 2004-08-24 Staubsauger mit angeformtem Ventilgehäuse
PCT/EP2005/053845 WO2006021498A1 (de) 2004-08-24 2005-08-04 Staubsauger mit angeformtem ventilgehäuse

Publications (2)

Publication Number Publication Date
EP1784105A1 EP1784105A1 (de) 2007-05-16
EP1784105B1 true EP1784105B1 (de) 2011-10-12

Family

ID=35447774

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05779845A Not-in-force EP1784105B1 (de) 2004-08-24 2005-08-04 Staubsauger mit angeformtem ventilgehäuse

Country Status (7)

Country Link
EP (1) EP1784105B1 (ru)
CN (1) CN101005784B (ru)
AT (1) ATE527925T1 (ru)
DE (1) DE102004040985A1 (ru)
ES (1) ES2372059T3 (ru)
RU (1) RU2385149C2 (ru)
WO (1) WO2006021498A1 (ru)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005012503U1 (de) * 2005-08-09 2005-12-08 BSH Bosch und Siemens Hausgeräte GmbH Störungsanzeigevorrichtung für Staubsauger
DE102006030227B3 (de) * 2006-06-30 2008-03-27 BSH Bosch und Siemens Hausgeräte GmbH Nebenluftventil
DE102008016152B4 (de) * 2008-03-28 2013-12-12 BSH Bosch und Siemens Hausgeräte GmbH Staubsauger mit Unterdruckventil
DE102010030222B3 (de) * 2010-06-17 2011-07-28 BSH Bosch und Siemens Hausgeräte GmbH, 81739 Staubsauger mit Nebenluftventil
CN103536248B (zh) * 2012-07-12 2016-03-16 天佑电器（苏州）有限公司 吸尘器
JP6660738B2 (ja) * 2016-01-12 2020-03-11 東芝ライフスタイル株式会社 電気掃除装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE552346A (ru) * 1955-11-11
DE1176327B (de) * 1962-04-24 1964-08-20 Licentia Gmbh Vorrichtung zum Verstellen der Saugleistung von Staubsaugern
US3566921A (en) * 1969-05-22 1971-03-02 Proctor Silex Inc Multiple interlocked valve construction
DE2017107C3 (de) 1970-04-10 1975-08-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Sicherheits- und Anzeigevorrichtung an einem Staubsauger mit einem Staubbeutel
DD130554A1 (de) * 1977-03-02 1978-04-12 Herbert Haeske Mittel zur regulierung und anzeige der saugkraft bei staubsaugern
DK144552C (da) * 1977-03-11 1982-09-20 Fisker & Nielsen As Stoevsuger med en motordrevet blaeser og en temperaturstyret ventil i en indstroemningspassage fra omgivelserne til blaeserenssugeside
DE2806271A1 (de) * 1978-02-15 1979-08-23 Miele & Cie Vorrichtung zum steuern der nebenluftzufuhr bei staubsaugern
KR100432730B1 (ko) 2001-10-15 2004-05-24 엘지전자 주식회사 진공청소기의 모터 보호장치

Also Published As

Publication number Publication date
DE102004040985A1 (de) 2006-03-02
ATE527925T1 (de) 2011-10-15
EP1784105A1 (de) 2007-05-16
ES2372059T3 (es) 2012-01-13
RU2007105132A (ru) 2008-10-10
RU2385149C2 (ru) 2010-03-27
CN101005784A (zh) 2007-07-25
CN101005784B (zh) 2010-05-05
WO2006021498A1 (de) 2006-03-02

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