EP2868249A1 - Tragbare saugvorrichtung zur oberflächenreinigung - Google Patents

Tragbare saugvorrichtung zur oberflächenreinigung Download PDF

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Publication number
EP2868249A1
EP2868249A1 EP20130872858 EP13872858A EP2868249A1 EP 2868249 A1 EP2868249 A1 EP 2868249A1 EP 20130872858 EP20130872858 EP 20130872858 EP 13872858 A EP13872858 A EP 13872858A EP 2868249 A1 EP2868249 A1 EP 2868249A1
Authority
EP
European Patent Office
Prior art keywords
suction
rotating body
surface cleaning
air
cleaning 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.)
Granted
Application number
EP20130872858
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English (en)
French (fr)
Other versions
EP2868249B1 (de
EP2868249A4 (de
Inventor
Yuhang SUN
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP2868249A1 publication Critical patent/EP2868249A1/de
Publication of EP2868249A4 publication Critical patent/EP2868249A4/de
Application granted granted Critical
Publication of EP2868249B1 publication Critical patent/EP2868249B1/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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
    • 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
    • A47L1/00—Cleaning windows
    • A47L1/02—Power-driven machines or devices
    • A47L1/05—Hand apparatus with built-in electric motors
    • 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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
    • A47L7/0023—Recovery tanks

Definitions

  • the present invention relates to a technical field of cleaning tools, and in particular, to a portable suction apparatus for surface cleaning, adapted to suck a liquid-air mixture from a surface of an object, separate liquid from the liquid-air mixture, and then store the liquid into a liquid collection container.
  • liquid may be sucked from a hard surface, for example, window glass.
  • a suction unit is used to generate a suction airflow and suck a mixture formed by liquid and air via a suction nozzle.
  • the liquid may be separated from the mixture formed by liquid and air by means of a separation apparatus and transferred to a liquid collection container.
  • a user manually guides the surface suction apparatus on a surface to be sucked to move along the surface.
  • a Chinese patent document CN101909499B discloses a portable hard surface suction apparatus, including a suction nozzle and a suction unit, as well as a separation apparatus and a waste liquid tank, where the suction unit is in fluid communication with the suction nozzle to be used to suck a liquid-air mixture from a hard surface, the separation apparatus is used to separate liquid from the liquid-air mixture, and the waste liquid tank is used to accommodate the separated liquid.
  • a separation chamber is arranged between the suction nozzle and the suction unit, the separation chamber accommodates the separation apparatus, the separation chamber is in fluid communication with a suction port of the suction nozzle via a suction pipe and is in fluid communication with the suction unit via a low-pressure pipe, and the separation chamber is connected to the waste liquid tank via a flow outlet.
  • a technical problem to be solved by the present invention is to provide a portable suction apparatus for surface cleaning having a simple structure and a smaller volume, adapted to suck a liquid-air mixture from a surface of an object, separate liquid from the liquid-air mixture, and then store the liquid into a liquid collection container.
  • the present invention provides a suction apparatus for surface cleaning, including: a suction nozzle, a suction channel connected to the suction nozzle, and a water collection container, where the suction apparatus for surface cleaning further includes a water-air separation apparatus used for separating a liquid-air mixture; the suction channel is arranged inside the water collection container in a penetrating manner, and the water-air separation apparatus is serially arranged on the suction channel; the water-air separation apparatus includes a rotating body arranged inside the suction channel and adapted to rotate, and a rotary shaft of the rotating body is arranged along an airflow direction in the suction channel; and a gap in communication with the water collection container is arranged on the suction channel adjacent to the rotating body.
  • the suction apparatus for surface cleaning further includes: a suction fan connected to a terminal of the suction channel. If no suction fan is used, a suction pipe of a vacuum may be used to connect to the terminal of the suction channel to implement the suction function.
  • the water-air separation apparatus is arranged adjacent to a center of the water collection container, which not only is beneficial to discharging water into the water collection container by the water-air separation apparatus, but also enables the water collection container to store more water, that is, when a water level in the water collection container is lower than a certain value, and the suction apparatus is at any use angle, it is difficult for water in the water collection container to flow back to the water-air separation apparatus or the suction channel.
  • the rotating body is a cone, a planar body, or a conical spiral body
  • the rotary shaft is located on a central line of the rotating body, where a top surface of the cone or conical spiral body is opposite to the airflow.
  • the suction channel includes front and rear pipes;
  • the water-air separation apparatus further includes a sleeve, where an inner wall of the sleeve is connected to an edge at a bottom of the rotating body via a plurality of connecting ribs; through-holes are distributed on a side wall of the sleeve; and two ends of the sleeve are respectively sleeved on adjacent ports of the front and rear pipes.
  • air passes through gaps among the plurality of connecting ribs, and is discharged via the terminal of the suction channel. Liquid enters the water collection container via the through-holes of the sleeve.
  • the sleeve is adapted to prevent liquid in the water collection container from entering the adjacent ports of the front and rear pipes.
  • a sealing ring made from a self-lubricating material for example, polytetrafluoroethylene
  • a self-lubricating material for example, polytetrafluoroethylene
  • the rotating body includes a plurality of ribs connected to the rotary shaft; as a preferable solution, the respective ribs are distributed uniformly on a conical surface opposite to the airflow direction, so as to further improve an effect of making liquid generate a centrifugal force and enter the water collection container.
  • the suction channel includes front and rear pipes; the water-air separation apparatus further includes a sleeve, where an inner wall of the sleeve is connected to outer ends of the ribs, and through-holes are distributed on a side wall of the sleeve; and two ends of the sleeve are respectively sleeved on adjacent ports of the front and rear pipes
  • the rotary shaft of the rotating body is transmission-connected to a rotary shaft of the suction fan, or the rotating body is driven by a motor.
  • the suction fan connected to the terminal of the suction channel includes: an upper air guiding cover integrally connected to a rear end of the rear pipe, and a lower air guiding cover adapted to connect to the upper air guiding cover, where the upper and lower air guiding covers are adapted to constitute a cavity, an air impeller is arranged inside the cavity, air outlets are distributed on an outer side wall of the cavity, a motor housing integrated with the lower air guiding cover is arranged on a rear end of the lower air guiding cover, and a motor used for driving the air impeller is arranged inside the motor housing; and the motor housing is arranged inside a housing of the suction apparatus via a plurality of resilient cushions.
  • the rotating body and an air impeller of the suction fan are respectively transmission-connected to front and rear ends of a rotary shaft of a motor
  • the suction nozzle is in a dovetail shape, and an inlet of the nozzle is provided with upper and lower rubber sheets that are strip-shaped and vertically arranged; notches are distributed on a front edge of the lower rubber sheet, and recesses connected to the respective notches are distributed on an upper end surface of the lower rubber sheet; and a front edge of the upper rubber sheet is adapted to cover the front edge of the lower rubber sheet.
  • a sleeve piece is fixedly arranged inside the rear pipe, and two ends of a transmission shaft arranged inside the sleeve piece in a penetrating manner are respectively connected to the rotating body and an output shaft of the motor in the suction fan; and the sleeve piece matches the transmission shaft via a pair of copper sheaths or polytetrafluoroethylene sheaths in a rotating manner.
  • the water collection container is a transparent container, and the water collection container is provided with a scale used for indicating that a liquid level reaches a height of the water-air separation apparatus; and when the liquid level in the water collection container reaches a warning water level on the scale, a user needs to remove a rubber plug from a water discharging opening of the water collection container to discharge water.
  • the front pipe and an outlet of the nozzle are integrated; the font pipe matches an inlet of the water collection container in a sealing manner; and an outlet of the rear pipe matches an outlet of the water collection container in a sealing manner.
  • the rotary shaft is arranged on a central line of the suction channel.
  • the present invention has the following positive effects: (1) the water-air separation apparatus of the present invention implements separation of liquid and air by using a rotating centrifugation principle, and in particular, using the rotating body arranged inside the suction channel and adapted to rotate, when the liquid-air mixture flows to the rotating body, liquid rotates with the rotating body, generates a centrifugal force, and under the effect of the centrifugal force, enters the water collection container via the gap on the suction channel, and air is discharged via the suction channel, thereby implementing separation of the liquid and air; and (2) with regard to the portable suction apparatus for surface cleaning of the present invention because the suction channel is arranged inside the water collection container in a penetrating manner, and the water-air separation apparatus is serially arranged on the suction channel, thereby avoiding the problem that the separation chamber and the waste liquid tank need to separately and independently exist and occupy more space in the prior art, the water-air separation apparatus of the present invention features a smaller volume.
  • a portable suction apparatus for surface cleaning of the present embodiment includes: a suction nozzle 1, a suction channel 2 connected to the suction nozzle 1, a water collection container 3, a water-air separation apparatus 4 used for separating a liquid-air mixture, and a suction fan 5 connected to a terminal of the suction channel 2.
  • the suction channel 2 is arranged inside the water collection container 3 in a penetrating manner, and the water-air separation apparatus 4 is serially arranged on the suction channel 2;
  • the water air apparatus 4 includes: a rotating body 4-3 arranged inside the suction channel 2 and adapted to rotate, and a rotary shaft 4-30 of the rotating body 4-3 is arranged along an airflow direction in the suction channel 2; and the suction channel 2 adjacent to the rotating body 4-3 is provided with a gap in communication with the water collection container 3.
  • the rotating body 4-3 When the rotating body 4-3 rotates around a rotary shaft 4-30 thereof, the rotating body 4-3 is adapted to cover a cross section of the suction channel 2, so as to throw liquid in the airflow into the water collection container 3; the rotating body 4-3 is provided with an opening adapted to be passed through by air in the airflow, which then enters the opening of a rear pipe 2-2, or an opening or space adapted to be passed through by air in the airflow, which then enters a rear pipe 2-2, exists around the rotating body 4-3.
  • the rotary shaft 4-30 of the rotating body 4-3 is arranged on a central line of the suction channel 2.
  • the rotating body 4-3 is a cone (as shown in FIG. 10 ), a planar body, or a conical spiral body (as shown in FIG. 11 ), the rotary shaft located on a central line of the rotating body 4-3 is consistent with the airflow direction, and a top surface of the cone or conical spiral body is opposite to the airflow.
  • the rotary shaft 4-30 of the rotating body 4-3 is transmission-connected to a rotary shaft of the suction fan 5, or the rotating body 4-3 is driven by a motor alone.
  • the rotating body 4-3 and an air impeller 5-3 of the suction fan 5 are respectively transmission-connected to front and rear ends of a rotary shaft of a motor.
  • the water-air separation apparatus 4 is arranged adjacent to a center of the water collection container 3, which not only is beneficial to discharging water into the water collection container 3 by the water-air separation apparatus, but also enables the water collection container 3 to store more water, that is, when a water level in the water collection container 3 is lower than a certain value, and the suction apparatus is at any use angle, it is difficult for water in the water collection container 3 to flow back to the water-air separation apparatus 4 or the suction channel 2.
  • the suction channel 2 includes a front pipe 2-1 and a rear pipe 2-2;
  • the water-air separation apparatus 4 further includes a sleeve 4-1, where an inner wall of the sleeve 4-1 is connected to an edge at a bottom of the rotating body 4-3 via a plurality of connecting ribs 4-2; through-holes 4-4 are distributed on a side wall of the sleeve 4-1; and two ends of the sleeve 4-1 are respectively sleeved on adjacent ports of the front pipe 2-1 and rear pipe 2-2.
  • the rotating body 4-3 rotates, the rotating body 4-3 is adapted to cover an inlet of the rear pipe 2-2.
  • the sleeve 4-1 is adapted to prevent liquid in the water collection container 3 from entrance via the adjacent ports of the front pipe 2-1 and rear pipe 2-2.
  • a sealing ring made from a self-lubricating material (for example, polytetrafluoroethylene) is sleeved on the adjacent ports of the front and rear pipes to enable the two ends of the sleeve to respectively match the adjacent ports of the front and rear pipes in a rotary sealing manner.
  • the suction nozzle 1 is in a dovetail shape, and an inlet of the nozzle 1 is provided with an upper rubber sheet 1-1 and a lower rubber sheet 1-2 which are strip-shaped and vertically arranged; notches 1-3 are distributed on a front edge of the lower rubber sheet 1-2, and recesses 1-4 connected to the respective notches 1-3 are distributed on an upper end surface of the lower rubber sheet 1-2; and a front edge of the upper rubber sheet 1-1 is adapted to cover the front edge of the lower rubber sheet 1-2.
  • the water collection container 3 is a transparent container, and the water collection container 3 is provided with a scale used for indicating that a liquid level reaches a height of the water-air separation apparatus; and when the liquid level in the water collection container 3 reaches a warning water level on the scale, a user needs to remove a rubber plug 11 from a water discharging opening of the water collection container 3 to discharge water
  • the front pipe 2-1 and an outlet of the nozzle 1 are integrated; the font pipe 2-1 matches an inlet of the water collection container 3in a sealing manner; and an outlet of the rear pipe 2-2 matches an outlet of the water collection container 3 in a sealing manner.
  • a suction apparatus of the present embodiment does not need to employ the foregoing suction fan 5, and a tubular interface 9 connected to a terminal of the suction channel 2 is led out from a terminal of a housing 8 of the suction apparatus; and during use, a suction pipe of a vacuum is used to connect to the tubular interface 9 to implement a suction function.
  • the rotating body 4-3 alone employs a motor driver 10 fixed inside the housing 8, or the rotating body 4-3 is constituted by air blades and does not need to be driven by a motor at this time.
  • the rotating body includes a plurality of ribs 4-5 connected to a rotary shaft; as a preferable embodiment, the respective ribs 4-5 are distributed uniformly on a conical surface, so as to further improve an effect of making liquid generate a centrifugal force and enter the water collection container.
  • a periphery of each of the ribs 4-5 is connected to the sleeve 4-1.
  • the suction fan 5 connected to the terminal of the suction channel 2 includes: an upper air guiding cover 5-1 integrally connected to a rear end of the rear pipe 2-2, and a lower air guiding cover 5-2 adapted to connect to the upper air guiding cover 5-1, where the upper and lower air guiding covers are adapted to constitute a cavity, an air impeller 5-3 is arranged inside the cavity, air outlets are distributed on an outer side wall of the cavity, a motor housing 5-4 integrated with the lower air guiding cover 5-2 is arranged on a rear end of the lower air guiding cover 5-2, and a motor 5-5 used for driving the air impeller 5-3 is arranged inside the motor housing 5-4; and the motor housing 5-4 is arranged inside a housing 8 of the suction apparatus via a plurality of resilient cushions 5-6.
  • a sleeve piece is fixedly arranged inside the rear pipe 2-2, and two ends of a transmission shaft arranged inside the sleeve piece in a penetrating manner are respectively connected to the rotating body 4-3 and an output shaft of the motor 5-5 in the suction fan; and the sleeve piece matches the transmission shaft via a pair of copper sheaths or polytetrafluoroethylene sheaths 5-7 in a rotating manner.
  • a bottom surface of the lower air guiding cover is provided with a first double seal 5-8 made from soft rubber in a secondary injection molding manner
  • the suction apparatus includes a pair of symmetrically arranged housings 8, and a retaining rib 8-1 matching the first double seal 5-8 is arranged inside the housings 8.
  • a matching surface of the housings 8 is provided with a second double seal made from soft rubber in a secondary injection molding manner, so as to ensure tightness of the whole suction apparatus, where the retaining rib 8-1 and a part, located below the retaining rib 8-1, of the housings 8 constitute a sealed cavity, and a battery 12 is arranged inside the sealed cavity.

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  • Cleaning In General (AREA)
EP13872858.9A 2013-01-25 2013-01-25 Tragbare saugvorrichtung zur oberflächenreinigung Not-in-force EP2868249B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/000076 WO2014113901A1 (zh) 2013-01-25 2013-01-25 便携式表面清洁用抽吸装置

Publications (3)

Publication Number Publication Date
EP2868249A1 true EP2868249A1 (de) 2015-05-06
EP2868249A4 EP2868249A4 (de) 2015-10-07
EP2868249B1 EP2868249B1 (de) 2016-11-23

Family

ID=51226793

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13872858.9A Not-in-force EP2868249B1 (de) 2013-01-25 2013-01-25 Tragbare saugvorrichtung zur oberflächenreinigung

Country Status (2)

Country Link
EP (1) EP2868249B1 (de)
WO (1) WO2014113901A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106137037A (zh) * 2016-08-18 2016-11-23 苏州市春菊电器有限公司 用于吸尘器的尘杯分离器及包括该分离器的尘杯和吸尘器
CN107811575A (zh) * 2016-09-13 2018-03-20 Lg电子株式会社 手持型残留水吸入装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3185741B1 (de) * 2014-08-29 2019-10-09 Alfred Kärcher SE & Co. KG Saugdüse und hartflächenabsauggerät
DE102017121208A1 (de) * 2017-09-13 2019-03-14 Alfred Kärcher SE & Co. KG Flächenreinigungsgerät

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6347428B1 (en) * 2000-01-12 2002-02-19 Royal Appliance Mfg. Co. Hand-held wet/dry vacuum
FR2909275B1 (fr) * 2006-12-01 2010-12-17 Gerard Curien Appareil d'aspiration et de nettoyage eau et/ou poussieres
DE102008004965B3 (de) 2008-01-11 2009-05-14 Alfred Kärcher Gmbh & Co. Kg Tragbares Hartflächenabsauggerät
DE102008004964B3 (de) * 2008-01-11 2009-05-14 Alfred Kärcher Gmbh & Co. Kg Hartflächenabsauggerät
EP2323528A2 (de) * 2008-08-11 2011-05-25 Winddrop Wasserfiltrationsstaubsauger
DE102011050697A1 (de) * 2011-05-27 2012-11-29 Leifheit Ag Flüssigkeitssaugvorrichtung zum Abziehen und Aufsaugen von Flüssigkeiten
CN102599863A (zh) * 2012-03-26 2012-07-25 朱厚林 一种用于地板的地拖吸水器

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106137037A (zh) * 2016-08-18 2016-11-23 苏州市春菊电器有限公司 用于吸尘器的尘杯分离器及包括该分离器的尘杯和吸尘器
CN106137037B (zh) * 2016-08-18 2018-06-29 苏州市春菊电器有限公司 用于吸尘器的尘杯分离器及包括该分离器的尘杯和吸尘器
CN107811575A (zh) * 2016-09-13 2018-03-20 Lg电子株式会社 手持型残留水吸入装置
US10736477B2 (en) 2016-09-13 2020-08-11 Lg Electronics Inc. Remaining water suction device
CN107811575B (zh) * 2016-09-13 2021-01-15 Lg电子株式会社 手持型残留水吸入装置

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Publication number Publication date
EP2868249B1 (de) 2016-11-23
EP2868249A4 (de) 2015-10-07
WO2014113901A1 (zh) 2014-07-31

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