EP2109389B1 - Nozzle for cleaner - Google Patents

Nozzle for cleaner Download PDF

Info

Publication number
EP2109389B1
EP2109389B1 EP07834066.8A EP07834066A EP2109389B1 EP 2109389 B1 EP2109389 B1 EP 2109389B1 EP 07834066 A EP07834066 A EP 07834066A EP 2109389 B1 EP2109389 B1 EP 2109389B1
Authority
EP
European Patent Office
Prior art keywords
steam
cleaning element
connecting part
guide part
nozzle
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
EP07834066.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2109389A1 (en
EP2109389A4 (en
Inventor
Byung-Sun Yang
Dae-Hwan Park
Sung-Guen Kim
Jong-Hyun Seo
Hyuk-Min Kwon
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP2109389A1 publication Critical patent/EP2109389A1/en
Publication of EP2109389A4 publication Critical patent/EP2109389A4/en
Application granted granted Critical
Publication of EP2109389B1 publication Critical patent/EP2109389B1/en
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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/34—Machines for treating carpets in position by liquid, foam, or vapour, e.g. by steam
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4044—Vacuuming or pick-up tools; Squeegees
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4086—Arrangements for steam generation
    • 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
    • A47L9/02—Nozzles
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0686—Nozzles with cleaning cloths, e.g. using disposal fabrics for covering the nozzle

Definitions

  • This document relates to a nozzle for a cleaner.
  • a cleaner is an appliance which cleans a room floor and the like by using a sucking force of a suction motor.
  • various kinds of cleaners such as a steam cleaner which removes a foreign substance of a floor by injecting steam thereon, have been introduced.
  • EP 1 654 974 A1 relates to a cleaning device for flat surface comprising a casing comprising a base and a cover, said base being provided with a first opening and with a second opening communicating with an aspirator arranged in said casing, a roller with bristles arranged in said casing and facing said first opening, a dispenser group facing said second opening and communicating with a steam generator at atmospheric pressure and a cleaning cloth permeable to the air and to the liquids covering said second opening.
  • the dispenser group dispenses steam onto a portion of cloth, the remaining portion of the cloth that covers said second opening being subjected to suction through said aspirator communicating with said second opening.
  • a nozzle of the steam cleaner is configured that a cleaning element is attached to the nozzle in order to remove the foreign substance of the floor.
  • the present invention is derived to resolve the above and other disadvantages of the prior art, and an object of the present invention is to provide a nozzle for a cleaner, which maximizes the amount of the steam moved to the cleaning element.
  • Another object of the present invention is to provide a nozzle for a cleaner, which prevents steam from introducing into the nozzle via an intake port.
  • the nozzle for a cleaner includes a body in which at least one steam-discharge hole for discharging steam is formed; a cleaning element connecting part to which a cleaning element for receiving the steam is connected; and a steam guide part in which at least some of it is disposed between the cleaning element connecting part and the cleaning element to guide the steam into the cleaning element.
  • the nozzle for a cleaner includes a body in which at least one steam-discharge hole for discharging steam is formed; a cleaning element which is provided at the outside of the body to receive the steam discharged through the steam-discharge hole; and a steam guide part which is protruded and formed around the steam-discharge hole to form a passage through which the steam is moved to the cleaning element, wherein the steam guide part is tightly connected to the cleaning element.
  • the nozzle for a cleaner includes a body in which at least one steam-discharge hole for discharging steam is formed; a cleaning element connecting part, to which a cleaning element is connected, connecting to the body; and a steam guide part which is protruded from the cleaning element to guide the steam discharged through the steam-discharge hole into the cleaning element.
  • the nozzle for a cleaner includes a body in which an intake port and at least one steam-discharge hole for discharging steam are formed; a cleaning element for receiving the steam discharged through the steam-discharge hole; and a steam guide part which is disposed between the body and the cleaning element to guide the steam discharged through the steam-discharge hole into the cleaning element, wherein at least some of the steam guide part is disposed between the intake port and the steam-discharge hole to block the steam discharged through the steam-discharge hole from flowing to the intake port.
  • the steam which is generated in the steam generating device by the steam guide part, may be smoothly supplied into the cleaning element.
  • the steam is moved into the cleaning element along the steam guide part, the steam is prevented from moving into the intake port.
  • Figure 1 shows a perspective view of a nozzle for a cleaner according to the preferred embodiment of the present invention
  • Figure 2 shows an exploded perspective view of the nozzle.
  • a nozzle 1 for a cleaner sucks air containing particles of the floor and discharges steam.
  • the nozzle 1 includes a body defining an external appearance and a connecting pipe 30 connected a rear part of the body.
  • the connecting pipe 30 guides the air sucked by the nozzle 1 to a cleaner body (not shown).
  • the body includes a base 10 defining an external appearance of a lower surface, and a cover element 20 connected to an upper part of the base 10. And, a cleaning element connecting part 40, to which a cleaning element 50 is attached, is connected to a lower part of the base 10.
  • a floorcloth may be used as the cleaning element 50.
  • an intake port 102 for sucking the air containing foreign substances of the floor is formed in the middle of a front end of the base 10. And, the intake port 102 (see Fig. 3 ) and the connecting pipe 30 are connected by an air guide pipe 130.
  • the air guide pipe 130 is extended in a back-and-forth direction of the nozzle 1.
  • the connecting pipe 30 is seated on the base 10 and is disposed at a rear part of the air guide pipe 130. And, the connecting pipe 30 can be upwardly or downwardly rotated relative to the air guide pipe 130.
  • the air suck by the intake port 102 (see Fig. 3 ) is introduced into the cleaner body via the air guide pipe 130 and the connecting pipe 30.
  • a Roller 140 for facilitating movement of the nozzle 1 is installed at a rear side of the base 10. And, a pair of auxiliary rollers 142 (see Fig. 3 ) are installed at both sides of a front end of the base 10.
  • a steam generating device 110 for generating steam by heating water is installed in the base 10.
  • the steam generating device 110 is disposed between the base 10 and the air guide pipe 130.
  • the steam generating device 110 includes a steam case 112 defining a space in which water for generating steam is stored, and a heater 118 for generating steam by heating the water stored in the steam case 112.
  • a plurality of connecting stages 112a are formed at a side of the steam case 112 along a circumferential direction, and a plurality of connecting projections 103, which are upwardly protruded from an inner lower surface, are formed in the base 10.
  • the steam generating device 110 is initially connected to the base, as the connecting stages 112a of the steam case 112 are connected to the connecting projections 103 of the base 10. And, screws are fastened in a state that the connecting stages 112a and the connecting projections 103 are connected to each other, so that the steam generating device 110 is completely fixed thereon.
  • the steam case 112 is composed of an upper case 113 and a lower case 114 which is to be connected to the upper case 113.
  • a water inlet 115 through which water is supplied from the outside, is formed in the case 114, and the water inlet 115 is opened or closed by an inlet valve 60 in a state that the cover element 20 is connected to the base 10.
  • a plurality of protrusions 117 are formed in the upper case 113.
  • the protrusions 117 prevent the water stored in the steam case 112 from overflowing through the water inlet 115 when the nozzle 1 is inclined while the water inlet 115 is opened.
  • protrusions 117 secure a space, which is sufficiently large to generate steam in the steam case 112.
  • the heater 118 generates heat by using a power source applied from the outside. And, the water stored in the steam case 112 is converted into steam by the heat given off from the heater 118. And, the heater 118 is horizontally disposed in the steam case 112, and the heater 118 is seated on the steam case 112 in a state that it is connected with a heater connecting part 119.
  • the heater connecting part 119 serves to stably fix the heater 118 as well as to make the heater 118 seated on the steam case 112.
  • the heater connecting part 119 is preferably made of a material with a heat resistance capable of withstanding the heat of the heater 118.
  • an operation of the heater 118 is controlled by a control unit 190 provided at the upper part of the steam generating device 110. That is, heating value, temperature and operating time of the heater 118 are controlled by the control unit 190.
  • a steam-discharge pipe 116 (see Fig. 6 ) for discharging the steam generated in the steam case 112 to the outside is formed at the lower case 114.
  • the steam-discharge pipe 116 is upwardly and downwardly protruded from the lower case 114 by a predetermined height, and the steam-discharge pipe 116 is a hollow shaft in which a passage is formed. The lower end of the steam-discharge pipe 116 penetrates the base 10.
  • the steam-discharge pipe 116 penetrates the base 10 so that steam flowed along the the steam-discharge pipe 116 is supplied to the cleaning element 50 provided at the lower part of the base 10.
  • the steam generated in the steam case 112 is flowed to the lower part of the lower case 114 via the steam-discharge pipe 116.
  • a guide hole 202 which allows the movement of the connecting pipe 30, is formed at a rear part of the cover element 20. Therefore, the connecting pipe 30 can be tilted within the guide hole 202.
  • valve seat portion 206 on which the inlet valve 60 is seated, is downwardly depressed in one side of the cover element 20.
  • a valve perforated-hole 204 through which the bottom of the inlet valve 60 is passed, is formed at the middle of the valve seat portion 206.
  • the inlet valve 60 may be connected to the water inlet 115 via the valve perforated-hole 204 when the cover element 20 is connected to the base 10.
  • Figure 3 shows a bottom view of a body according to a first embodiment of the present invention
  • Figure 4 shows a perspective view of a cleaning element connecting part according to the first embodiment of the present invention
  • Figure 5 shows a perspective view of a relationship between the cleaning element connecting part and the body
  • Figure 6 shows a cross sectional view of a relationship among the body, the cleaning element connecting part and the cleaning element.
  • the cleaning element connecting part 40 is connected to a lower part of the base 10, and the cleaning element 50 is attached to a lower part of the cleaning element connecting part 40.
  • a seat portion 104 on which the cleaning element connecting part 40 is seated, is depressed in the base 10. And, the seat portion 104 is formed in a shape corresponding to the shape of the cleaning element connecting part 40.
  • a plurality of connecting ribs 150 for connecting with the cleaning element connecting part 40 seated on the seat portion 104 are downwardly protruded from the lower part of the base 10.
  • the first connecting parts 150 are formed in a cylindrical shape, and a plurality of connecting holes 152 are formed therein. And, a plurality of second connecting parts 420 provided in the cleaning element connecting part 40 are selectively inserted in the connecting holes 152 when the cleaning element connecting part 40 is connected thereto.
  • a steam-discharge part 160 for discharging the steam generated in the steam generating device 110 is horizontally formed in the middle of the lower surface of the base 10. And, the steam-discharge part 160 is disposed at a rear of the intake port 102.
  • the steam-discharge part 160 deviates steam, which is moved to the lower part of the base via the steam-discharge pipe 116, in a horizontal direction. And, a plurality of steam-discharge holes 162 are formed in a lower surface of the steam-discharge part 160.
  • the steam guided by the steam-discharge part 160 is discharged through the steam-discharge holes 162, and the discharged steam is supplied to the cleaning element 50 attached to the lower part of the cleaning element connecting part 40.
  • a steam guide part 164 for guiding the discharged steam to the cleaning element 50 is downwardly extended and formed in the edge of the bottom of the steam-discharge part 160.
  • the steam guide part 164 forms a passage, through which the steam discharged through the steam-discharge hole 162 is moved to the cleaning element 50.
  • the steam guide part 164 is preferably formed at a length capable of being tightly connected to the cleaning element 50 when the cleaning element connecting part 40 is connected to the base 10. More preferably, the steam guide part 164 is formed at a length capable of pressing the the cleaning element 50.
  • the steam guide part 164 is protruded into the lower part of the cleaning element connecting part 40 at a predetermined length. That is, some of the steam guide part 164 is disposed between the cleaning element connecting part 40 and the cleaning element 50.
  • the steam guide part 164 and the cleaning element 50 are tightly connected as the steam guide part 164 presses the cleaning element 50.
  • the steam guide part 164 is formed on the edge of the steam-discharge part 160 and covers the periphery of the respective steam-discharge hole 162, however it is also possible that the respective steam guide part 164 is formed around the respective steam-discharge hole 162, respectively.
  • the steam guide part 164 may be formed around the plurality of steam-discharge holes 162. That is, the number of the steam guide part 164 may be equal or less than that of the steam-discharge hole 162.
  • the steam guide part 164 is disposed between the steam-discharge hole 162 and the intake port 102. Therefore, the steam discharged through the steam-discharge hole 162 is prevented from moving into the intake port 102.
  • the steam guide part 164 blocks the steam discharged through the steam-discharge hole 162 from moving into the intake port 102, the steam guide part 164 may be referred to as a blocking part.
  • the cleaning element connecting part 40 is selectively seated on the seat portion 104. And, attachment parts 450, to which the cleaning element 50 is attached, are formed on a lower surface of the cleaning element connecting part 40.
  • a velcro may be used as the attachment part 450.
  • a perforated-hole 410 through which the steam-discharge part 160 is passed is perforated and formed in the middle of the cleaning element connecting part 40. And, the width of the perforated-hole 410 is formed to correspond to that of the steam-discharge part 160.
  • the lower surface of the steam-discharge part 160 is exposed to the outside of the cleaning element connecting part 40 via the perforated-hole 410. And, as described in the above, the steam guide part 164 is protruded out of the cleaning element connecting part 40.
  • a detachment lever 408 is backwardly protruded from one side of the rear end of the cleaning element connecting part 40.
  • the detachment lever 408 is used to detach the cleaning element connecting part 40 from the base 10.
  • the detachment lever 408 is formed, as it is upwardly bent from the rear end of the cleaning element connecting part 40 at a right angle and then it is backwardly bent at a right angle.
  • an insert groove 405, in which the connecting rib is inserted is formed in the cleaning element connecting part 40.
  • a plurality of latch elements 420 are provided in the cleaning element connecting part 40, and a part of the respective latch element 420 is protruded into the insert groove 405.
  • the part of the respective latch element 420, which is protruded into the insert groove 405, is inserted into the insert hole 152 of the connecting ribs 150 which is inserted into the insert groove 405.
  • the sucking force is generated by the suction motor provided in the cleaner body when the cleaner body connected to the nozzle 1 is operated, and therefore air containing particles of the floor is sucked through the intake port 102.
  • air sucked through the intake port 102 is flowed to a rear of the nozzle 1 along the air guide pipe 130, and it is moved to the cleaner body via the connecting pipe 30.
  • water from the outside is supplied via the water inlet 115 after users open the water inlet 115 by rotating the inlet valve 60. And, if an appropriate amount of water is received in the steam case 112, the water inlet 115 is closed by the inlet valve 60.
  • the steam generating device 110 starts to operate. That is, the heater 118 generates heat as the power source from the outside is supplied thereto.
  • water stored in the steam case 112 is heated.
  • water which is instantaneously heated by the heater 118 is not the whole water stored in the steam case 112 but the water adjacent to the heater 118.
  • steam generated by the heater 118 is moved to the lower part via the steam-discharge pipe 116 and is introduced into the steam-discharge part 160. And, the steam introduced into the steam-discharge part 160 is horizontally diffused and is discharged to the lower part via the plurality of steam-discharge holes 162.
  • the whole quantity of steam generated in the steam generating device 110 is supplied into the cleaning element 50 by the steam guide part 164. And, steam dischrged through the steam-discharge holes 162 is not allowed to move into the intake port 102 by the steam guide part 164.
  • the cleaning element 50 contains high temperature steam, and therefore the particles sticked to the floor are easily separated and removed therefrom by the cleaning element 50 when cleaning the floor.
  • Figure 7 shows a bottom perspective view of a cleaning element connecting part according to a second embodiment of the present invention.
  • the present embodiment is the same as the first embodiment, except for difference in the position of formation of the steam guide part. Therefore, detailed description of the same configuration as the first embodiment will be omitted, and the characteristic configuration of the present embodiment will be described.
  • a perforated-hole 410 through which the steam-discharge part 160 is passed, is formed in the cleaning element connecting part 40 according to the present embodiment.
  • a steam guide part 430 which is to guide the discharged steam to the cleaning element 50 attached to the cleaning element connecting part 40, is formed in the edge of the perforated-hole 410.
  • the steam guide part 430 is downwardly protruded into the lower surface of the cleaning element connecting part 40 at a predetermined length. That is, the steam guide part 430 is disposed between the cleaning element connecting part 40 and the cleaning element 50. And, if the cleaning element connecting part 40 is attached to the cleaning element 50, the steam guide part 430 is tightly connected with the cleaning element 50 or it presses the cleaning element 50.
  • Figure 8 shows a perspective view of a relationship between the cleaning element connecting part and the nozzle according to third embodiment of the present invention.
  • the present embodiment is the same as the first embodiment, except for difference in that the cleaning element is directly connected to the body. Therefore, detailed description of the same configuration as the first embodiment will be omitted, and the characteristic configuration of the present embodiment will be described.
  • a cleaning element connecting part 71 to which the cleaning element 50 is connected is formed in a body 70 according to the present embodiment. And, a plurality of steam-discharge holes 72 through which the steam is discharged and a plurality of attachment parts 79 to which the cleaning element 50 is attached are formed in the lower surface of the cleaning element connecting part 71.
  • the plurality of steam-discharge holes 72 are perforated and formed in the lower surface of the body 70.
  • a steam guide part 74 for guiding the steam discharged through the steam-discharge holes 72 to the cleaning element 50 is formed around the steam-discharge holes 72.
  • the steam guide part 74 is downwardly protruded and formed in the lower surface of the body 70.
  • the steam guide part 74 is disposed between the cleaning element 50 and the cleaning element connecting part 71, and the steam guide part 74 presses the cleaning element 50 in a state that the cleaning element 50 is connected to the cleaning element connecting part 71.
  • the efficiency of the steam is increased and the cleaning performance of the nozzle is improved, so that its industrial applicability is very high.
EP07834066.8A 2007-02-08 2007-11-15 Nozzle for cleaner Not-in-force EP2109389B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020070013013A KR100846909B1 (ko) 2007-02-08 2007-02-08 청소기의 노즐
PCT/KR2007/005760 WO2008096949A1 (en) 2007-02-08 2007-11-15 Nozzle for cleaner

Publications (3)

Publication Number Publication Date
EP2109389A1 EP2109389A1 (en) 2009-10-21
EP2109389A4 EP2109389A4 (en) 2014-11-19
EP2109389B1 true EP2109389B1 (en) 2017-01-04

Family

ID=39681830

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07834066.8A Not-in-force EP2109389B1 (en) 2007-02-08 2007-11-15 Nozzle for cleaner

Country Status (6)

Country Link
EP (1) EP2109389B1 (ko)
KR (1) KR100846909B1 (ko)
AU (1) AU2007346409B2 (ko)
ES (1) ES2619846T3 (ko)
RU (1) RU2397691C1 (ko)
WO (1) WO2008096949A1 (ko)

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AU2010201890B8 (en) 2009-05-12 2014-07-17 Bissell Inc. Upright steam mop sweeper
US8627543B2 (en) 2010-03-12 2014-01-14 Euro-Pro Operating Llc Cleaning appliance having multiple functions
AU2012201161B2 (en) 2011-03-04 2014-04-17 Bissell Inc. Surface cleaning apparatus with pivoting manifold
CN102217913A (zh) * 2011-06-22 2011-10-19 苏州德莱电器有限公司 清洁装置
CN102429613B (zh) * 2011-12-12 2015-02-04 苏州诚河清洁设备有限公司 立式蒸汽清洁设备
KR101362085B1 (ko) * 2011-12-30 2014-02-12 한경희 바닥 청소기용 베이스 어셈블리
KR101769237B1 (ko) 2016-02-18 2017-08-17 엘지전자 주식회사 청소기
CN114206181A (zh) * 2019-06-12 2022-03-18 Seb公司 用于真空吸尘器的干湿两用地刷

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Also Published As

Publication number Publication date
EP2109389A1 (en) 2009-10-21
RU2397691C1 (ru) 2010-08-27
ES2619846T3 (es) 2017-06-27
EP2109389A4 (en) 2014-11-19
KR100846909B1 (ko) 2008-07-17
WO2008096949A1 (en) 2008-08-14
AU2007346409A1 (en) 2008-08-14
AU2007346409B2 (en) 2010-06-17

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Inventor name: PARK, DAE-HWAN

Inventor name: SEO, JONG-HYUN

Inventor name: YANG, BYUNG-SUN

Inventor name: KIM, SUNG-GUEN

Inventor name: KWON, HYUK-MIN

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