WO2016089037A1 - Embout d'aspirateur et aspirateur - Google Patents

Embout d'aspirateur et aspirateur Download PDF

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Publication number
WO2016089037A1
WO2016089037A1 PCT/KR2015/012692 KR2015012692W WO2016089037A1 WO 2016089037 A1 WO2016089037 A1 WO 2016089037A1 KR 2015012692 W KR2015012692 W KR 2015012692W WO 2016089037 A1 WO2016089037 A1 WO 2016089037A1
Authority
WO
WIPO (PCT)
Prior art keywords
nozzle
cleaning mechanism
main
movable
auxiliary
Prior art date
Application number
PCT/KR2015/012692
Other languages
English (en)
Inventor
Seongjun Kim
Jinwoo Lee
Seogyong Kim
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 WO2016089037A1 publication Critical patent/WO2016089037A1/fr

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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
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0466—Rotating tools
    • A47L9/0477—Rolls
    • 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
    • A47L9/04—Nozzles with driven brushes or agitators
    • 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
    • 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
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0405—Driving means for the brushes or agitators
    • 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
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0405—Driving means for the brushes or agitators
    • A47L9/0416—Driving means for the brushes or agitators driven by fluid pressure, e.g. by means of an air turbine
    • 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
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0427—Gearing or transmission means therefor
    • A47L9/0433—Toothed gearings
    • 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
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0427—Gearing or transmission means therefor
    • A47L9/0444—Gearing or transmission means therefor for conveying motion by endless flexible members, e.g. belts
    • 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
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0455—Bearing means therefor

Definitions

  • the present disclosure relates to a nozzle of a cleaner and a vacuum cleaner.
  • a vacuum cleaner is a device that suctions air containing dusts using suction force generated by a suction motor mounted in a cleaner main body to filter the dusts in a dust separation device.
  • the vacuum cleaner may be classified into a canister type vacuum cleaner in which a suction nozzle for suctioning dusts is detachably disposed on the main body and then connected to the main body through a connection device and an upright type vacuum cleaner in which a suction nozzle is rotatably connected to the main body.
  • a nozzle of a cleaner is disclosed in Korean Patent Publication No. 10-2009-0121813 that is a prior document.
  • the nozzle of the cleaner includes a main nozzle having a main suction hole and an auxiliary nozzle which is selectively accommodated in the main nozzle and has an auxiliary suction hole. Also, the main nozzle is provided with an agitator.
  • a cleanable bottom area may increase.
  • the agitator since the whole suction area increases in a state in which the auxiliary nozzle is withdrawn from the main nozzle, a cleanable bottom area may increase.
  • the agitator since the agitator is constantly maintained in length, the agitator may not clean the bottom on an area corresponding to the suction hole of the auxiliary nozzle.
  • Embodiments provide a nozzle of a cleaner, which has a variable area of a suction hole and is capable of cleaning the bottom through the whole area of the suction hole in a state in which the suction hole increases in area, and a vacuum cleaner.
  • a nozzle of a cleaner includes: a main nozzle having a main suction hole; a movable nozzle movably connected to the main nozzle, the movable nozzle having an auxiliary suction hole; and a rotatable cleaning mechanism disposed above the main suction hole and the auxiliary suction hole to clean a bottom surface by a rotation operation thereof,
  • the rotatable cleaning mechanism may vary in length while the movable nozzle moves with respect to the main nozzle.
  • the main suction hole may vary in area by the movement of the movable nozzle.
  • the rotatable cleaning mechanism may be rotatably supported by the movable nozzle.
  • the rotatable cleaning mechanism may include: a main cleaning mechanism; and an auxiliary cleaning mechanism movably connected to the main cleaning mechanism to rotate together with the main cleaning mechanism, wherein the auxiliary cleaning mechanism may be rotatably supported by the movable nozzle.
  • Each of the main cleaning mechanism and the auxiliary cleaning mechanism may include a brush member.
  • the main cleaning mechanism may include a first connection part, and the auxiliary cleaning mechanism may include a second connection part connected to the first connection part in a sliding manner.
  • a separation preventing part for preventing the auxiliary cleaning mechanism from being separated from the main cleaning mechanism in a radius direction of the rotatable cleaning mechanism may be disposed on the first connection part.
  • the nozzle may further include a restriction mechanism for preventing the auxiliary cleaning mechanism from being separated from the main cleaning mechanism in a longitudinal direction of the rotatable cleaning mechanism.
  • the restriction mechanism may include a guide groove defined in one of a body of the main nozzle and a body of the movable nozzle and a guide protrusion disposed on the other body and accommodated into the guide groove.
  • the restriction mechanism may include a guide groove defined in one of the main cleaning mechanism and the auxiliary cleaning mechanism and a guide protrusion disposed on the other one and accommodated into the guide groove.
  • the movable nozzle may include: a bearing connected to a shaft of the auxiliary cleaning mechanism; and a bearing installation part on which the bearing is installed.
  • the movable nozzle may be withdrawably and insertably connected to the main nozzle, and when the movable nozzle is withdrawn from the main nozzle, a portion of the auxiliary cleaning mechanism may be withdrawn from the main nozzle together with the movable nozzle.
  • the nozzle may further include a driving device for rotating the rotatable cleaning mechanism, wherein each of the movable nozzle and the auxiliary cleaning mechanism may be provided in plurality, the main cleaning mechanism may include a connection part for connecting the driving device thereto, and a first auxiliary cleaning mechanism of the plurality of auxiliary cleaning mechanism may be disposed on one side of the connection part, and a second auxiliary cleaning mechanism of the plurality of auxiliary cleaning mechanism may be disposed on the other side of the connection part.
  • the nozzle may further include a driving device which generates power for allowing the movable nozzle to move with respect to the main nozzle.
  • the driving device may include a rotatable driving part rotating by a flow of air.
  • the driving device may include a motor.
  • the nozzle may further include an elastic member providing elastic force for allowing the movable nozzle to move in a direction that is away from the main nozzle to the movable nozzle.
  • a vacuum cleaner in another embodiment, includes: a cleaner body comprising a suction motor; and a suction nozzle communicating with the cleaner body to suction air on a bottom surface.
  • the suction nozzle may include: a rotatable cleaning mechanism cleaning the bottom surface by a rotation operation thereof; a main nozzle covering the rotatable cleaning mechanism, the main nozzle having a main suction hole; and a movable nozzle movably disposed on the main nozzle, the movable nozzle having an auxiliary suction hole.
  • the rotation cleaning mechanism may be rotatably supported by the movable nozzle and varies in length while moving with respect to the main nozzle.
  • the rotatable cleaning mechanism may include: a main cleaning mechanism; and an auxiliary cleaning mechanism which is rotatable together with the main cleaning mechanism, the auxiliary cleaning mechanism being rotatably supported by the movable nozzle.
  • the main suction hole may vary in area by the movement of the movable nozzle.
  • the main cleaning mechanism may include a separation preventing part for preventing the auxiliary cleaning mechanism from being separated from the main cleaning mechanism in a radius direction.
  • the suction nozzle may further include a restriction mechanism for preventing the auxiliary cleaning mechanism from being separated from the main cleaning mechanism in a longitudinal direction of the rotatable cleaning mechanism.
  • the movable nozzle since the movable nozzle varies in length while moving with respect to the main nozzle, the whole area of the suction hole may increase.
  • the rotatable cleaning mechanism may increase in length according to the increasing area of the suction hole.
  • the cleanable bottom area may increase, and also, the increasing cleanable bottom area may be effectively cleaned.
  • the auxiliary cleaning mechanism may clean the bottom surface facing the auxiliary suction hole.
  • Fig. 1 is a perspective view of a vacuum cleaner according to an embodiment.
  • Fig. 2 is a view illustrating a state in which a movable nozzle of a suction nozzle is withdrawn according to an embodiment.
  • Fig. 3 is a bottom view of the suction nozzle in a state in which the movable nozzle is inserted into the main nozzle.
  • Fig. 4 is a bottom view of the suction nozzle in the state in which the movable nozzle is withdrawn from the main nozzle.
  • Fig. 5 is a perspective view of a rotatable cleaning mechanism and a driving device for driving the rotatable cleaning mechanism according to an embodiment.
  • Fig. 6 is a cross-sectional view taken along line A-A’ of Fig. 5.
  • Fig. 7 is a view illustrating a state in which an auxiliary cleaning mechanism is supported by the movable nozzle according to an embodiment.
  • Fig. 8 is a view illustrating a state in which the movable nozzle is coupled to the main nozzle according to an embodiment.
  • Fig. 9 is a cross-sectional view taken along line B-B’ of Fig. 8.
  • Fig. 10 is a view of the rotatable cleaning mechanism in the state in which the movable nozzle is withdrawn from the main nozzle.
  • the terms ⁇ first ⁇ , ⁇ second ⁇ , ⁇ A ⁇ , ⁇ B ⁇ , ⁇ (a) ⁇ , and ⁇ (b) ⁇ may be used. However, since the terms are used only to distinguish an element from another, the essence, sequence, and order of the elements are not limited by them.
  • an element is “coupled to”, “engaged with”, or “connected to” another element, it should be understood that the element may be directly coupled or connected to the other element but still another element may be “coupled to”, “engaged with”, or “connected to” the other element between them.
  • Fig. 1 is a perspective view of a vacuum cleaner according to an embodiment
  • Fig. 2 is a view illustrating a state in which a movable nozzle of a suction nozzle is withdrawn according to an embodiment
  • Fig. 3 is a bottom view of the suction nozzle in a state in which the movable nozzle is inserted into the main nozzle
  • Fig. 4 is a bottom view of the suction nozzle in the state in which the movable nozzle is withdrawn from the main nozzle.
  • a canister type cleaner is illustrated in Fig. 1, the present disclosure is not limited thereto.
  • an upright type cleaner may be just applied to the suction nozzle according to an embodiment.
  • bottom surface denotes a bottom surface of a living room or a room and a surface to be cleaned such as a carpet.
  • a vacuum cleaner 1 may include a cleaner body 10 including a suction motor (not shown) for generating suction force and a suction device 20 connected to the cleaner body 10 to suction air and foreign substances on the bottom surface.
  • the cleaner body 10 may include at least a wheel and a dust container 110 in which the dusts separated from the air are stored.
  • the suction device 20 may include a suction nozzle 30 that is movable along the bottom surface and a connection mechanism for connecting the suction nozzle 30 to the cleaner body 10.
  • connection mechanism may include an extension tube 24 connected to the suction nozzle 30, a handle 22 connected to the extension tube 24, and a connection hose 23 connecting the handle 22 to the cleaner body 10.
  • the suction nozzle 30 may include a main nozzle 310 and at least a movable nozzle 320 movably connected to the main nozzle 310.
  • the suction nozzle 30 may further include a connection tube 380 rotatably connected to a rear portion of the main nozzle 310.
  • the extension tube 24 may be connected to the connection tube 380.
  • movable nozzles 320 are connected to both sides of the main nozzle 310 in Fig. 2, the present disclosure is not limited to the number of movable nozzles 320.
  • the movable nozzle 320 may include a first movable nozzle 322 connected to one side of the main nozzle 30 and a second movable nozzle 324 connected to the other side of the main nozzle 30.
  • Each of the first movable nozzle 322 and the second movable nozzle 324 may be connected to be insertable into and withdrawable from the main nozzle 310.
  • each of the first and second movable nozzles 322 and 324 may be inserted into or withdrawn from the main nozzle 310 in a sliding manner. That is, a user may manually withdraw at least one of the first and second movable nozzles 322 and 324 in a state in which the user grasps the at least one of the first and second movable nozzles 322 and 324.
  • first and second movable nozzles 322 and 324 may be withdrawn from the main nozzle 310 in a direction in which the first and second movable nozzles 322 and 324 are away from each other and be inserted into the main nozzle 310 in a direction in which the first and second movable nozzles 322 and 324 are near to each other.
  • the first movable nozzle 322 and the second movable nozzle 324 may be independently inserted into or withdrawn from the main nozzle 310. That is, one of the first and second movable nozzles 322 and 324 may be withdrawn from the main nozzle 310, or the first and second movable nozzles 322 and 324 may be withdrawn from the main nozzle 310 at the same time.
  • the first and second movable nozzles 322 and 324 may have the same structure. However, the first and second movable nozzles 322 and 324 may have the same length or lengths different from each other.
  • the withdrawn length of the first movable nozzle 322 withdrawn from the main nozzle 310 and the withdrawn length of the second movable nozzle 324 withdrawn from the main nozzle 310 may be different from each other.
  • the withdrawn lengths of the first and second movable nozzles 322 and 324 withdrawn from the main nozzle 310 may be different from each other.
  • a stopper 321 that contacts a lateral end of the main nozzle 310 while the first and second movable nozzles 322 and 324 are inserted into the main nozzle 310 may be provided on each of the first and second movable nozzles 322 and 324.
  • the main nozzle 310 may include a main suction hole 311.
  • the first movable nozzle 322 may include a first auxiliary suction hole 323, and the second movable nozzle 324 may include a second auxiliary suction hole 325.
  • a left/right length of the main suction hole 311 is L1. Also, a left/right length of each of the auxiliary suction holes 323 and 325 is L3.
  • the main suction hole 311 may increase in left/right length, and thus the whole area of the suction hole of the suction nozzle 30 may increase.
  • the suction nozzle 30 may further include a rotatable cleaning mechanism that is variable in length so that the area of the suction hole of the suction nozzle 30 varies, and the bottom surface corresponding to the suction having the increasing area in the state in which the suction hole increases in area is cleanable.
  • Fig. 5 is a perspective view of a rotatable cleaning mechanism and a driving device for driving the rotatable cleaning mechanism according to an embodiment
  • Fig. 6 is a cross-sectional view taken along line A-A’ of Fig. 5.
  • the suction nozzle 30 may further include a rotatable cleaning mechanism 340.
  • the rotatable cleaning mechanism 340 may be rotatably disposed within the suction nozzle 30.
  • the rotatably cleaning mechanism 340 may rotate to sweep and lift foreign substances on the bottom surface, thereby cleaning the bottom surface.
  • the rotatable cleaning mechanism 340 may include a main cleaning mechanism 341 and one or more auxiliary cleaning mechanisms 350 and 351 movably connected to the main cleaning mechanism 341.
  • auxiliary cleaning mechanisms 350 and 351 may be provided with the same number as the movable nozzles 320.
  • Fig. 5 illustrates a structure in which two auxiliary cleaning mechanisms 350 and 351 are connected to the main cleaning mechanism 341.
  • the one ore more auxiliary cleaning mechanisms 350 and 351 may include a first auxiliary cleaning mechanism 350 and a second auxiliary cleaning mechanism 351.
  • a portion or the whole of the main cleaning mechanism 341 may be disposed in the main nozzle 310. Also, the main cleaning mechanism 341 may be disposed above the main suction hole 310.
  • each of the auxiliary cleaning mechanisms 350 and 351 may be disposed above the auxiliary suction hole 323 and 325.
  • the main cleaning mechanism 341 may include a brush member 342 for cleaning the bottom surface.
  • the brush member 342 may be coupled to the main cleaning mechanism 341 in a sliding manner.
  • the brush member 342 may be coupled to the main cleaning mechanism 341 in a longitudinal direction.
  • the main cleaning mechanism 341 may include a first connection part 343 connecting the auxiliary cleaning mechanisms 350 and 351 to each other.
  • the auxiliary cleaning mechanisms 350 and 351 may include a second connection part 352 connected to the first connection part 343.
  • One of the first and second connection parts 343 and 352 may be a protrusion, and the other one may be an accommodating groove in which the protrusion is inserted.
  • Fig. 5 illustrates a structure in which the first connection part 343 is the accommodating groove, and the second connection part 352 is the protrusion.
  • the second connection part 352 may be connected to the first connection part 343 in the sliding manner at a side of the main cleaning mechanism 341.
  • each of the first and second connection parts 343 and 352 may serve as a guide rail for the sliding movement of the auxiliary cleaning mechanisms 350 and 351.
  • a contact surface between the first and second connection parts 343 and 352 may be rounded.
  • a separation preventing part 344 for preventing the auxiliary cleaning mechanisms 350 and 351 from being separated in a radius direction (that is a direction perpendicular to the longitudinal direction of the main cleaning mechanism 341) of the main cleaning mechanism 341 may be disposed on the first connection part 343.
  • the separation preventing part 344 may be accommodated in the auxiliary cleaning mechanisms 350 and 351.
  • the auxiliary cleaning mechanisms 350 and 351 may rotate together with the main cleaning mechanism 341 and be slid with respect to the main cleaning mechanism 341. That is, the rotatable cleaning mechanism 340 may vary in total length by the sliding of the auxiliary cleaning mechanisms 350 and 351.
  • the relative rotation between the auxiliary cleaning mechanisms 350 and 351 and the main cleaning mechanism 341 may be prevented by the separation preventing part 344.
  • Each of the auxiliary cleaning mechanisms 350 and 351 may further include a brush support 353 to which a brush member 354 is connected.
  • the brush member 354 may be slidably coupled to the brush support 353.
  • a shaft 356 may be disposed on the second connection part 352.
  • the shaft 356 provides a rotation center of the rotatable cleaning mechanism 340.
  • the suction nozzle 30 may further include a driving device 370 for driving the rotatable cleaning mechanism 340.
  • the driving device 370 may include a rotatable driving part 371 and a power transmission part for transmitting power of the rotatable driving part 371 to the rotatable cleaning mechanism 340.
  • the rotatable driving part 371 may be, for example, a turbine including a plurality of blades.
  • the rotatable driving part 371 may rotate by air introduced into the suction nozzle 30.
  • the rotatable driving part 371 may be rotatably connected to the suction nozzle 30 by a support shaft 373.
  • the support shaft 373 may be disposed on the main nozzle 310.
  • the power transmission part may include a first gear 372 disposed on the rotatable driving part 371 and a second gear 375 connected to the first gear 372.
  • Each of the first gear 372 and the second gear 375 may be a bevel gear.
  • the power transmission part may further include a first pulley 376 connected to the second gear 375 and a belt 377 surrounded by the pulley 376.
  • a belt connection part 345 surrounded by the belt 377 may be disposed on the main cleaning mechanism 341.
  • the belt connection part 345 may be disposed to be spaced apart from both left/right ends of the main cleaning mechanism 341.
  • the first auxiliary cleaning mechanism 350 is disposed on one side of the belt connection part 345, and the second auxiliary cleaning mechanism 351 may be disposed on the other side of the belt connection part 345 with respect to the belt connection part 345.
  • the present disclosure is not limited to the constituents of the power transmission part.
  • the power of the rotatable driving part 370 may be transmitted to the rotatable cleaning mechanism 340 through various methods.
  • the present disclosure is not limited to a kind of rotatable driving part 371.
  • the rotatable driving part 371 may be a motor.
  • Fig. 7 is a view illustrating a state in which the auxiliary cleaning mechanism is supported by the movable nozzle according to an embodiment.
  • the movable nozzle 320 may include a bearing 327 to which the shaft 356 of the auxiliary cleaning mechanisms 350 and 351 is connected.
  • a bearing installation part 327 on which the bearing 327 is installed is disposed on the movable nozzle 320.
  • the bearing 327 may be prevented from moving in the longitudinal and radius directions of the rotatable cleaning mechanism 340 with respect to the bearing installation part 327. Also, the bearing 327 may move together with the movable nozzle 320 by the movement of the movable nozzle 320.
  • the auxiliary cleaning mechanisms 350 and 351 including the shaft 356 connected to the bearing 327 may move together.
  • the auxiliary cleaning mechanisms 350 and 351 may be rotatably disposed on the movable nozzle 320 to move together with the movable nozzle 320.
  • the auxiliary cleaning mechanisms 350 and 351 may be withdrawn together with the movable nozzle 320 from the main nozzle 310.
  • the auxiliary cleaning mechanisms 350 and 351 may be maintained in the state in which the auxiliary cleaning mechanisms 350 and 351 are connected to the movable nozzle 320. In this state, the auxiliary cleaning mechanisms 350 and 351 may move together with the main cleaning mechanism 341 to clean the bottom surface facing the auxiliary suction hole.
  • Fig. 8 is a view illustrating a state in which the movable nozzle is coupled to the main nozzle according to an embodiment
  • Fig. 9 is a cross-sectional view taken along line B-B’ of Fig. 8
  • Fig. 10 is a view of the rotatable cleaning mechanism in the state in which the movable nozzle is withdrawn from the main nozzle.
  • the suction nozzle 30 may further include restriction mechanisms 312 and 328 for restricting the withdrawal of the movable nozzle 320 in a state where the main nozzle 310 is withdrawn by a predetermined length.
  • the restriction mechanisms 312 and 328 may include a guide groove 312 defined in one of an inner surface of a body of the main nozzle 310 and an outer surface of a body of the movable nozzle 320 and a guide protrusion 328 disposed on the other one and accommodated in the guide groove 312.
  • Fig. 8 illustrates a structure in which the guide groove 312 is defined in the main nozzle 310, and the guide protrusion 328 is disposed on the movable nozzle 320.
  • the guide groove 312 may be lengthily defined in a left/right direction of the suction nozzle 30.
  • the guide protrusion 328 may move within the guide groove 312.
  • the guide protrusion 328 When the movable nozzle 310 is maximally withdrawn from the main nozzle 310, the guide protrusion 328 may be disposed at a left end of the guide groove 312 in Fig. 9. On the other hand, when the movable nozzle 320 is inserted into the main nozzle 310, the guide protrusion 328 is disposed at a right end of the guide groove 312 in Fig. 9.
  • the auxiliary cleaning mechanism in the state in which the movable nozzle 310 is maximally withdrawn from the main nozzle 310, the auxiliary cleaning mechanism is maintained in the state in which the auxiliary cleaning mechanism is connected to the main cleaning mechanism.
  • the movable nozzle 320 may be prevented from being completely withdrawn from the main nozzle 310 by the restriction mechanisms 312 and 328. That is, the movable nozzle 320 may be prevented from being separated from the main nozzle 310.
  • restriction mechanisms 312 and 328 are respectively disposed on the main nozzle and the movable nozzle in the foregoing embodiment, the present disclosure is not limited thereto.
  • the restriction mechanisms 312 and 328 may be disposed on the main cleaning mechanism and the auxiliary cleaning mechanism, respectivley. That is, the guide groove may be defined in one of the main cleaning mechanism and the auxiliary cleaning mechanism, and the guide protrusion accommodated in the guide groove may be disposed on the other one of the main cleaning mechanism and the auxiliary cleaning mechanism.
  • the auxiliary cleaning mechanism may be disposed to face the auxiliary suction hole.
  • the whole area of the suction hole may increase, and also, the rotatable cleaning mechanism may increase in length according to the increasing area of the suction hole.
  • the cleanable bottom area may increase, and simultaneously, the increasing cleanable bottom area may be effectively cleaned.
  • the movable nozzle is manually withdrawn from the main nozzle in the foregoing embodiment, the preset disclosure is not limited thereto.
  • the movable nozzle may be automatically withdrawn by the driving device.
  • the driving device may be disposed on the main nozzle.
  • the driving device may further include a motor.
  • the driving device may include at least a gear.
  • a pinion gear may be connected to the motor, and a rack gear may be disposed on the body of the movable nozzle.
  • the driving device may withdraw the plurality of movable nozzles from the main nozzle at the same time.
  • the plurality of movable nozzles may be independently inserted into or withdrawn from the main nozzle.
  • an input part for inputting a command for driving the driving device may be disposed on the handle.
  • an elastic member may be connected to the movable nozzle.
  • the elastic member may be fixed to the main nozzle and the movable nozzle to provide elastic force to the movable nozzle in a direction in which the movable nozzle is withdrawn from the main nozzle, or the movable nozzle is away from the main nozzle.
  • the suction nozzle may include a fixing mechanism for fixing a position of the movable nozzle in the state where the movable nozzle is inserted into the main nozzle.
  • a hook may be disposed on the main nozzle, and a hook coupling part to which the hook is coupled may be disposed on the movable nozzle.
  • the hook in the state in which the movable nozzle is inserted into the main nozzle, the hook may be coupled to the hook coupling part.
  • the movable nozzle may be withdrawn from the main nozzle by the elastic force of the elastic member.

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

Abstract

L'invention concerne un embout d'aspirateur. L'embout d'aspirateur comprend un embout principal comportant un trou d'aspiration principal, un embout mobile raccordé de façon amovible à l'embout principal, l'embout mobile comportant un trou d'aspiration auxiliaire, et un mécanisme de nettoyage rotatif disposé au-dessus du trou d'aspiration principal et du trou d'aspiration auxiliaire pour nettoyer une surface inférieure par une opération de rotation de celui-ci. La longueur du mécanisme de nettoyage rotatif change lorsque l'embout mobile se déplace par rapport à l'embout principal.
PCT/KR2015/012692 2014-12-01 2015-11-25 Embout d'aspirateur et aspirateur WO2016089037A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0169813 2014-12-01
KR1020140169813A KR101649418B1 (ko) 2014-12-01 2014-12-01 청소기의 노즐 및 진공 청소기

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WO2016089037A1 true WO2016089037A1 (fr) 2016-06-09

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PCT/KR2015/012692 WO2016089037A1 (fr) 2014-12-01 2015-11-25 Embout d'aspirateur et aspirateur

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KR (1) KR101649418B1 (fr)
WO (1) WO2016089037A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000012211A1 (it) * 2020-05-25 2021-11-25 F M Srl Sistema di captazione e processo di produzione di tale sistema di captazione

Citations (5)

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