WO2022075580A1 - Aspirateur - Google Patents

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Publication number
WO2022075580A1
WO2022075580A1 PCT/KR2021/011069 KR2021011069W WO2022075580A1 WO 2022075580 A1 WO2022075580 A1 WO 2022075580A1 KR 2021011069 W KR2021011069 W KR 2021011069W WO 2022075580 A1 WO2022075580 A1 WO 2022075580A1
Authority
WO
WIPO (PCT)
Prior art keywords
tool assembly
lever
pipe
suction port
coupled
Prior art date
Application number
PCT/KR2021/011069
Other languages
English (en)
Korean (ko)
Inventor
이국행
고무현
양재성
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to US18/029,831 priority Critical patent/US20230404337A1/en
Priority to EP21877834.8A priority patent/EP4226828A4/fr
Publication of WO2022075580A1 publication Critical patent/WO2022075580A1/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
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0673—Nozzles with fixed, e.g. adjustably fixed brushes or the like with removable brushes, combs, lips or pads
    • 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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/225—Convertible suction cleaners, i.e. convertible between different types thereof, e.g. from upright suction cleaners to sledge-type 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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/24—Hand-supported suction cleaners
    • A47L5/26—Hand-supported suction cleaners with driven dust-loosening tools
    • 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
    • A47L9/0009—Storing devices ; Supports, stands or holders
    • A47L9/0018—Storing devices ; Supports, stands or holders integrated in or removably mounted upon the suction cleaner for storing parts of said suction cleaner
    • A47L9/0027—Storing devices ; Supports, stands or holders integrated in or removably mounted upon the suction cleaner for storing parts of said suction cleaner specially adapted for holding the suction cleaning tools
    • 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
    • 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
    • A47L9/0606—Nozzles with fixed, e.g. adjustably fixed brushes or the like rigidly anchored brushes, combs, lips or pads
    • A47L9/0613—Nozzles with fixed, e.g. adjustably fixed brushes or the like rigidly anchored brushes, combs, lips or pads with means specially adapted for picking up threads, hair or the like, e.g. brushes, combs, lint pickers or bristles pads
    • 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
    • A47L9/0633—Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable brushes, combs, lips or pads
    • A47L9/064—Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable brushes, combs, lips or pads actuating means therefor
    • 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
    • A47L9/0693—Specially shaped nozzles, e.g. for cleaning radiators, tubes, fans or the like; Dusters
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/242—Hose or pipe couplings
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/242—Hose or pipe couplings
    • A47L9/246—Hose or pipe couplings with electrical connectors
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/248—Parts, details or accessories of hoses or pipes

Definitions

  • a vacuum cleaner is a device configured to suck dust and the like into the vacuum cleaner by the pressure difference of air.
  • Japanese Patent Registration No. 3545628 in relation to a vacuum cleaner discloses an electric vacuum cleaner, and discloses an auxiliary suction body composed of an inner pipe, a nozzle body, a brush body, and a pipe cover.
  • Prior Document 2 when the extension tube is separated from the auxiliary suction body, the nozzle body or the brush body can be used. However, the nozzle body cannot be used immediately, and the nozzle body must be moved forward in order to use the nozzle body. do. That is, the nozzle body cannot be used immediately when the user holds the handle with one hand and the extension tube with the other hand to separate it, and the user must move the nozzle body forward with the hand holding the extension tube.
  • Prior Document 2 when the nozzle body is moved to the front of the brush body for use of the nozzle body, the brush body is coupled to the periphery of the nozzle body, and thus the brush body may interfere with the use of the nozzle body. In the case of a nozzle body, it is generally used for cleaning a relatively narrow gap, etc., but the brush body of Prior Document 2 may prevent the nozzle body from entering into a relatively narrow gap.
  • suction ports In a vacuum cleaner in which a suction nozzle having a basic suction port and a cleaning main body are connected through a connection pipe, when the connection pipe is separated from the cleaning main body, different suction ports have a structure and means that can be selectively and immediately used Describe a vacuum cleaner.
  • connection pipe extends along a first direction, which is a direction from the main body suction port toward the suction nozzle.
  • a first motor rotating to generate a suction force is provided inside the cleaning main body, and a main body suction port is provided in front of the cleaning main body in a first direction.
  • the suction force generated inside the cleaning main body may be transmitted to the main body suction port, and may be sequentially transmitted to the connecting pipe and the suction nozzle.
  • the main body suction port may form an inlet of the cleaning main body through which external dust, air, etc. flows into the cleaning main body.
  • the main body suction port may be formed in the form of a pipe along the first direction.
  • the suction nozzle is coupled to the first connection part.
  • the suction nozzle may be detachably coupled to the first connection part.
  • the first suction port may form an inlet of the first tool assembly through which external dust, air, etc. flows into the inside of the first tool assembly.
  • the first suction port may be formed in a pipe shape along the first direction.
  • the second tool assembly includes a second suction port communicating with the main body suction port.
  • the second tool assembly may be removably fixed to the first tool assembly.
  • the second suction port may form an inlet of the second tool assembly through which external dust, air, etc. flows into the inside of the second tool assembly.
  • the second suction port may have a pipe shape along the first direction.
  • the pipe assembly may be fixed to the rear of the connecting pipe in the first direction.
  • the pipe assembly may be removably fixed to the second tool assembly.
  • the first tool assembly may include a first body, a first lever, a first rotation body, and a second rotation body.
  • the first tool assembly may include a first elastic body.
  • the first body may be formed in a pipe shape along the first direction and may be coaxially coupled to the main body inlet.
  • the main body suction port may be fitted into the rear interior of the first body in the first direction.
  • a second locking groove may be formed in the first body.
  • the second locking groove is formed on the outer surface of the first body.
  • the second locking groove may be formed on an outer surface of the first body from a front side in the first direction than the first lever.
  • the first lever may be pivotably coupled to the first body.
  • the first lever may be configured to be caught or released from the main body suction port.
  • the first elastic body elastically supports the first lever so that the first locking protrusion protrudes into the first body.
  • the first rotation axis may be parallel to the third direction.
  • the third direction is a direction orthogonal to the first direction and the second direction.
  • the rotation direction of the first rotation body and the rotation direction of the second rotation body may be made in opposite directions to each other.
  • the first tool assembly may include a first rotation spring and a second rotation spring.
  • the first rotating spring elastically supports the first rotating body so that the first half tube forms the first suction port.
  • the second rotating spring elastically supports the second rotating body so that the second half tube forms the first suction port.
  • the first rotating body includes a first pressing part
  • the second rotating body includes a second pressing part
  • the second tool assembly includes a second body.
  • the second body has a pipe shape along the first direction. A front edge of the second body in the first direction may form the second suction port.
  • the second body may be coaxially coupled to the first body to accommodate the first and second rotation bodies.
  • the second body When the second body is coupled to the first tool assembly, the second body may be configured to press the first pressing part and the second pressing part so that the first half tube and the second half tube are opened from each other.
  • the first body may be fitted inside the rear of the second body in the first direction.
  • a first fixing groove and a second fixing groove may be formed in the second body.
  • the first fixing groove and the second fixing groove are spaced apart from each other in the first direction on the outer surface of the second body.
  • the second tool assembly may include a cover lever.
  • the second lever is pivotally coupled to the second body.
  • the second lever is configured to engage or release the first tool assembly.
  • the second lever may be engaged with or released from the first body.
  • the second lever may be pivotably coupled to the second body with respect to a second lever shaft in the second direction.
  • the second lever may include a second locking protrusion.
  • the second locking protrusion is configured to protrude to the inside of the second body and be inserted into the second locking groove to be caught.
  • the brush may be coupled along a front edge of the second body to protrude forward in the first direction than the second body.
  • the second tool assembly comprises a brush cover.
  • the brush cover is formed in a pipe shape along the first direction.
  • the brush cover is movably coupled to the second body in the first direction or in a direction opposite to the first direction.
  • the brush cover may form the second suction port together with the second body.
  • the brush cover is configured to expose or shield the brush.
  • the brush cover may include a plurality of brush accommodating spaces partitioned from each other along the circumferential direction.
  • the brush cover may include an inner tube, an outer tube, and a plurality of partition walls.
  • the outer tube surrounds the inner tube to be spaced apart from the inner tube from the outside of the inner tube.
  • the partition wall connects the inner tube and the outer tube between the inner tube and the outer tube.
  • Each of the partition walls are spaced apart from each other and are repeatedly formed along the circumferential direction of the brush cover. A space surrounded by the inner tube, the outer tube, and the two partition walls becomes the brush accommodation space.
  • the cover lever may be pivotably coupled to the brush cover.
  • the cover lever may be formed integrally with the brush cover.
  • the cover lever includes a fixing protrusion.
  • the fixing protrusion is configured to be inserted into the first fixing groove or the second fixing groove while the brush cover is moved in the first direction or in a direction opposite to the first direction with respect to the second body.
  • the brush cover may include a lever groove.
  • the lever groove is a hole penetrated inside and outside to expose the second lever, and is formed to extend forward from the rear edge in the first direction.
  • a third locking groove may be formed on the outer surface of the brush cover.
  • the third locking groove may be formed on an outer surface of the brush cover in front of the second lever in the first direction.
  • the pipe assembly comprises a third body and a third lever.
  • the third body has a pipe shape along the first direction.
  • the third body may be fixed to a rear side of the connection pipe in the first direction, and may be configured to receive the second tool assembly.
  • the first tool assembly and the second tool assembly may be fitted into the rear of the third body.
  • the third lever is pivotally coupled to the third body.
  • the third lever may be configured to be latched or released from the second tool assembly.
  • the third lever may be pivotally coupled to the third body with respect to a third lever shaft in the second direction.
  • the third lever may include a third locking protrusion.
  • the third locking protrusion is configured to protrude to the inside of the third body and to be inserted into and caught in the third locking groove.
  • the pipe assembly may include a third elastic body.
  • the third elastic body elastically supports the third lever so that the third locking protrusion protrudes into the third body.
  • the third locking protrusion may be caught in the third locking groove.
  • the third locking protrusion is an outer surface of the brush cover in front of the third locking groove.
  • the pipe assembly may include a first tool button and a second tool button.
  • the first tool button may be movably coupled to the third body in a direction orthogonal to the first direction.
  • the first tool button may be configured to rotate the second lever in a direction in which the second lever is disengaged.
  • the second tool button may be movably coupled to the third body in a direction orthogonal to the first direction.
  • the second tool button may be configured to rotate the third lever in a direction in which the third lever is released.
  • the vacuum cleaner includes a first tool assembly, a second tool assembly and a pipe assembly.
  • the first tool assembly having the first suction port is detachably fixed to the main body suction port of the cleaning main body
  • the second tool assembly having the second suction port is detachably fixed to the first tool assembly
  • the pipe assembly is a connecting pipe It is fixed to the back of the and is removably fixed to the second tool assembly.
  • the first tool assembly and the second tool assembly may be separated from each other while the user holds the cleaning main body with one hand and the pipe assembly with the other hand, and in this case, the first tool Immediate use of the assembly is achieved.
  • the second tool assembly and the pipe assembly may be separated from each other in a state in which the user holds the cleaning main body with one hand and the pipe assembly with the other hand, and in this case, the second tool Immediate use of the assembly is achieved. That is, the first tool assembly may be in a usable state by only one operation, and the second tool assembly may be in a usable state by only one operation.
  • the first rotating body includes a first pressing portion and the second rotating body includes a second pressing portion.
  • the second body presses the first pressing part and the second pressing part toward the inner surface thereof, and rotates so that the first half tube and the second half tube are spread apart from each other.
  • the first half tube and the second half tube can be effectively opened, and the first A passage having a cross-sectional area of sufficient size for the movement of dust may be provided in the tool assembly.
  • the brush cover is provided with a brush receiving space.
  • the brush accommodating space is provided by an inner tube, an outer tube, and a plurality of partition walls of the brush cover.
  • the brush receiving space is repeatedly formed along the circumferential direction of the brush cover.
  • the brush cover moves forward against the second body, whereby each strand of the brush is inserted into the respective brush receiving space. Accordingly, individual strands constituting the brush may be aligned in a straight line along the first direction, and overall bending and deformation of the brush may be prevented.
  • dust, hair, etc. attached to the brush can be effectively removed by being caught on the inner tube, outer tube and partition wall of the brush cover constituting the brush accommodation space.
  • the third locking protrusion engages the third locking groove with the brush cover moved forward in the first direction relative to the second body so that the brush cover shields the brush. Then, in a state in which the brush cover moves backward in the first direction with respect to the second body so that the brush cover exposes the brush, the third locking protrusion is made to contact the outer surface of the brush cover in front of the third locking groove. In this way, the second tool assembly and the pipe assembly can be coupled and fixed in a state in which the brush cover is moved to the front of the second body. Accordingly, it is possible to completely block the exposure of the brush while the connecting pipe is fixedly coupled to the cleaning main body, and it is possible to prevent dust, hair, etc. attached to or attached to the brush from adhering to the user's hand or the like.
  • the first suction port of the first tool assembly and the second suction port of the second tool assembly each form a suction port other than the basic suction port of the suction nozzle. That is, the first tool assembly and the second tool assembly may form a nozzle different from the suction nozzle, and may be used as an accessory of a vacuum cleaner.
  • the first body of the first tool assembly is partially inserted and coupled into the second body of the second tool assembly, and the first tool assembly and the second tool assembly are coupled to the pipe assembly inserted into the third body.
  • the suction nozzle, the connecting pipe, the pipe assembly, the second tool assembly, the first tool assembly and the cleaning main body are all coupled to each other, the first tool assembly and the second tool assembly forming nozzles (accessories) other than the suction nozzle are formed. Since it is inserted into the pipe assembly and provided, storage of the first tool assembly and the second tool assembly is easy, and also, when the use of the first tool assembly or the second tool assembly is necessary, immediate use can be achieved.
  • FIG. 1 is a perspective view illustrating a vacuum cleaner according to an embodiment of the present invention.
  • FIG. 2A is a perspective view illustrating a vacuum cleaner according to an embodiment different from FIG. 1
  • FIG. 2B is a diagram illustrating a vacuum cleaner according to an embodiment different from FIGS. 1 and 2A .
  • FIG. 4 is a view showing a state of use of the vacuum cleaner.
  • FIG. 5 is a perspective view illustrating a state in which the cleaning main body, the first tool assembly, the second tool assembly, and the pipe assembly are coupled to each other in the vacuum cleaner.
  • FIG. 6 is a perspective view illustrating a state in which the cleaning main body, the first tool assembly, the second tool assembly, and the pipe assembly are separated from each other in the vacuum cleaner of FIG. 5 .
  • FIG. 7 is a cross-sectional view illustrating a state in which the cleaning main body, the first tool assembly, the second tool assembly, and the pipe assembly are coupled to each other.
  • FIG. 8 is a perspective view illustrating a state in which only the cleaning main body is separated from the vacuum cleaner of FIG. 5 .
  • the first tool assembly, the second tool assembly, and the pipe assembly are coupled to each other.
  • FIG. 9 is a perspective view illustrating a state in which the cleaning main body and the first tool assembly are separated from the vacuum cleaner of FIG. 5 .
  • FIG. 10 is a perspective view illustrating a state in which the cleaning main body, the first tool assembly, and the second tool assembly are separated from the vacuum cleaner of FIG. 5 .
  • FIG. 11 is a perspective view illustrating a state in which the cleaning main body and the first tool assembly are coupled to each other.
  • FIG. 13A is a view showing a state in which the first rotating body and the second rotating body are in close contact with each other in the first tool assembly
  • FIG. 13B is the first rotating body and the second rotating body in the first tool assembly. It is the drawing shown.
  • FIG. 14 is a cross-sectional view illustrating a state in which the first tool assembly and the second tool assembly are coupled to each other.
  • 15A is a perspective view illustrating a state in which the cleaning main body, the first tool assembly, and the second tool assembly are coupled to each other.
  • 15B is a perspective view illustrating a state in which the brush cover is moved backward in the first direction in FIG. 15A .
  • 16 is an exploded perspective view illustrating a second tool assembly.
  • FIG. 17A is a cross-sectional view illustrating a state in which the cleaning main body, the first tool assembly, and the second tool assembly are coupled to each other
  • FIG. 17B is a cross-sectional view illustrating a state in which the second lever is operated.
  • FIG. 18 is a perspective view illustrating a state in which the second tool assembly is separated from FIG. 15A .
  • FIG. 19A is a perspective view illustrating the cleaning main body, the first tool assembly, and the second tool assembly are coupled to each other
  • FIG. 15B is a perspective view illustrating the brush cover moving backward in the first direction in FIG. 15A.
  • 20 is a view illustrating a part of a second body of a second tool assembly.
  • FIG. 21A is a cross-sectional view illustrating a second tool assembly
  • FIG. 21B is a cross-sectional view illustrating a state in which the brush cover is moved backward in the first direction in FIG. 21A.
  • 22 is an exploded perspective view showing the pipe assembly.
  • FIG. 23A is a cross-sectional view illustrating a state in which the second tool button is pressed so that the third lever rotates
  • FIG. 23B is a cross-sectional view illustrating a state in which the second tool assembly and the pipe assembly are separated.
  • FIG. 24A is a cross-sectional view illustrating a state in which the first tool button is pressed so that the second lever rotates
  • FIG. 24B is a cross-sectional view illustrating a state in which the second tool assembly fixed to the pipe assembly and the first tool assembly are separated.
  • FIG. 25A is a cross-sectional view illustrating a second tool assembly and a pipe assembly
  • FIG. 25B is a cross-sectional view illustrating a state when the brush cover is moved backward in the first direction in FIG. 25 .
  • FIG. 26A is a perspective view illustrating a state in which the first tool assembly and the second tool assembly are separated according to an embodiment
  • FIG. 26B is a perspective view of the second tool assembly of FIG. 26A as viewed from another direction
  • FIGS. 26C and 26D is a perspective view illustrating a state in which the first tool assembly and the second tool assembly of FIG. 26A are combined, viewed from different directions;
  • an element When an element is referred to as being “coupled” to another element, unless otherwise specifically limited, it is directly coupled to the other element or fixedly coupled to the other element; or It may be coupled to other components so that they do not move relative to each other.
  • FIG. 1 is a perspective view showing a vacuum cleaner 1 according to an embodiment of the present invention.
  • FIG. 2A is a perspective view illustrating the vacuum cleaner 1 according to an embodiment different from that of FIG. 1
  • FIG. 2B is a view showing the vacuum cleaner 1 according to an embodiment different from FIGS. 1 and 2A .
  • FIG 3 is a cross-sectional view schematically illustrating the cleaning main body 100 .
  • the vacuum cleaner 1 is configured to suck in external air and/or foreign substances such as dust and hair.
  • the vacuum cleaner 1 includes a cleaning main body 100 , a connecting pipe 200 , and a suction nozzle 300 . External air or the like is first introduced through the suction nozzle 300 and then moves to the cleaning main body 100 through the connection pipe 200 .
  • the cleaning main body 100 is configured to generate a suction force.
  • the cleaning main body 100 includes a motor (the first motor 110).
  • each of the motors described in the embodiment of the present invention including the first motor 110 may be a DC motor, an AC motor, a universal motor, a BLDC motor, or a stepper motor.
  • a fan or an impeller may be coupled to the rotation shaft 111 of the first motor 110 of the cleaning main body 100 to rotate, and accordingly, when the first motor 110 rotates, the air flow is generated.
  • the first motor 110 and the fan or impeller coupled to the first motor 110 in the cleaning main body 100 rotate based on the rotation shaft 111, so that the pressure difference between the inside and the outside of the cleaning main body 100 is may be generated, and accordingly, suction force may be generated in the cleaning main body 100 .
  • the cleaning main body 100 is provided with a main body suction port 140 .
  • the main body suction port 140 is an inlet of the cleaning main body 100 , and dust, etc. introduced through the main body suction port 140 is accommodated in the cleaning main body 100 .
  • the suction nozzle 300 includes a basic suction port 311, which is a hole through which air and/or foreign substances are introduced. (See Fig. 4)
  • connection pipe 200 connects the cleaning main body 100 and the suction nozzle 300 .
  • the connection pipe 200 is made in the form of a pipe or tube, and forms a passage through which external air introduced through the basic suction port 311 moves toward the cleaning main body 100 .
  • connection pipe 200 may be made of a relatively hard material so as not to be bent or deformed unintentionally.
  • the connection pipe 200 may be made of plastic or metal, or may be made of these.
  • the connection pipe 200 includes a first connection part 210 and a second connection part 220 .
  • the first connection part 210 may form an inlet of the connection pipe 200 through which external air flows into the connection pipe 200, and the second connection part 220 has the connection pipe 200, and the air inside the cleaning main body ( The outlet of the connecting pipe 200 exiting toward the 100) can be achieved.
  • the first connection part 210 and the second connection part 220 may form both ends of the connection pipe 200 .
  • the cleaning main body 100 may be fixedly connected to the second connection part 220 side of the connection pipe 200 . That is, the cleaning main body 100 and the connecting pipe 200 may be fixed to each other without moving separately from each other.
  • the vacuum cleaner 1 may be formed in the form of a 'stick-type cleaner'.
  • the cleaning main body is made to have a variable shape, and a part of the cleaning main body may be made to be movable relative to the connecting pipe 200 .
  • the cleaning main body 100 may be divided into a main body 101 , a main body suction port 140 , and a hose 102 .
  • a motor for generating a suction force to the main body suction port 140 , etc. may be provided in the main body 101 .
  • a flexible hose 102 may be coupled between the main suction port 140 of the cleaning main body 100 and the main body 101 . That is, the vacuum cleaner 1 may be configured such that the main body 101 and the connecting pipe 200 of the cleaner main body 100 can move separately.
  • a separate handle 103 may be fixedly coupled to the main body suction port 140 .
  • the vacuum cleaner 1 may be formed in the form of a 'canister-type cleaner' (refer to FIG. 2B).
  • the main body suction port 140 is formed to be fixed to the cleaning main body 100 , and the cleaning main body 100 is connected to the second connection part 220 of the connecting pipe 200 . It will be described based on the form that is fixedly connected to the side.
  • the cleaning main body 100 may include a handle 120 , a dust container 130 , a main body suction port 140 , and a battery 150 .
  • the handle 120 is formed on one side of the cleaning main body 100 .
  • the handle 120 is shaped so that the user can hold it stably using his or her hand.
  • the handle 120 may be formed on the side opposite to the body suction port 140 (opposite to the body suction port 140 ). If the main body suction port 140 is formed in the front of the cleaning main body 100, the handle 120 may be formed in the rear of the cleaning main body (100).
  • the cleaning main body 100 may be provided with an operation button 160 capable of operating the vacuum cleaner 1 at a position adjacent to the handle 120 .
  • the dust container 130 is a container configured to collect foreign substances such as dust separated from the air inside the cleaning main body 100 .
  • foreign substances such as dust introduced into the cleaning main body 100 may be separated from the air by a cyclone method.
  • air separated from foreign substances in the cleaning main body 100 may be discharged to the outside of the cleaning main body 100 through a separate outlet 170 .
  • the dust container 130 may be detachably coupled to the cleaning main body 100 .
  • the dust container 130 may be made transparent so that foreign substances collected therein can be visually confirmed from the outside.
  • the battery 150 is configured to supply power to each component constituting the vacuum cleaner 1 .
  • the battery 150 may supply power to the first motor 110 of the cleaning main body 100 .
  • the main body suction port 140 forms an inlet of the cleaning main body 100 through which air, dust, etc. flows into the cleaning main body 100 .
  • the main body suction port 140 may be formed in a shape protruding to the outside of the cleaning main body 100 .
  • the second connection part 220 of the connection pipe 200 may be fixedly connected to the body suction port 140 side.
  • connection part 220 of the connection pipe 200 is not directly connected to the body suction port 140, but the first tool assembly 400 provided between the connection pipe and the body suction port. , the second tool assembly 500 and the pipe assembly 600 are fixedly connected via the medium.
  • FIG. 4 is a view showing a state of use of the vacuum cleaner 1 .
  • a passage (a passage through which air, dust, etc. moves, 301a) provided in the suction nozzle 300 is indicated by a dotted line.
  • Directions X1, Y1, and Z1 described in the embodiment of the present invention are directions orthogonal to each other, respectively.
  • X1 may be a front direction of the vacuum cleaner 1
  • Y1 may be a left direction of the vacuum cleaner 1
  • Z1 may be an upper direction of the vacuum cleaner 1 .
  • X1 and Y1 may be in a direction parallel to the bottom surface B
  • Z1 may be a direction perpendicular to the bottom surface B.
  • the user (U) can use the vacuum cleaner (1) in a state of holding the cleaning main body (100), at this time, the connection pipe (200) is inclined in the front and lower side of the user (U), the suction nozzle (300) ) may be located on the bottom surface (B) in front of the user (U). In this state, the use of the vacuum cleaner 1 may be a natural use state of the vacuum cleaner 1 .
  • the suction nozzle 300 may have a structure suitable for sucking dust or the like in a state placed on the bottom surface B in front of the user U.
  • the suction nozzle 300 itself may be configured such that the front and rear directions are separated from each other, and the up and down directions are separated from each other.
  • the front direction (X1) and the left direction (Y1) of the suction nozzle 300 may be directions parallel to the horizontal direction, respectively.
  • the upper direction (Z1) of the suction nozzle 300 may be a direction parallel to the vertical direction.
  • the suction nozzle 300 may be formed in a symmetrical shape.
  • the suction nozzle 300 includes a basic suction port 311 .
  • the basic suction port 311 may be the first inlet through which air and foreign substances are introduced into the vacuum cleaner 1, and the suction nozzle 300 may have various structures within the range including the basic suction port 311. there is.
  • a passage (suction nozzle passage, 301a) through which air, foreign substances, etc. move is formed inside the suction nozzle 300, and the basic suction port 311 forms an inlet of the passage 301a.
  • the suction nozzle 300 may include a nozzle housing 301 and a connection neck 302 .
  • the passage 301a communicates with the inside of the connection pipe 200 through the nozzle housing 301 and the connection neck 302 .
  • the nozzle housing 301 may be placed on the floor to move along the bottom surface (B).
  • the basic suction port 311 may be formed on the bottom surface of the nozzle housing 301 .
  • a plurality of wheels may be formed on the lower surface of the nozzle housing 301 .
  • the nozzle housing 301 may include a nozzle head 310 and a nozzle neck 320 .
  • the nozzle head part 310 may form a front part of the nozzle housing 301
  • the nozzle neck part 320 may form a rear part of the nozzle head part 310 .
  • the basic suction port 311 may be formed on the bottom surface of the nozzle head part 310 .
  • the nozzle neck portion 320 is formed in a tube shape and extends from the rear of the nozzle head portion 310 in the rearward direction.
  • the nozzle neck part 320 is a portion coupled to the connection neck 302 , and the nozzle neck part 320 may be rotatably coupled to the connection neck 302 .
  • connection neck 302 is a portion coupled to the connection pipe 200 in the suction nozzle 300 .
  • the connection neck 302 is detachably coupled to the first connection part 210 , and when coupled, the connection neck 302 and the first connection part 210 are fixed to each other.
  • the connection neck 302 may be made in the form of a tube, and the inside thereof communicates with the basic suction port 311 , and also communicates with the inside of the connection pipe 200 .
  • Foreign substances introduced from the suction nozzle 300 into the basic suction port 311 may move toward the connection pipe 200 through the inside of the nozzle neck part 320 and the inside of the connection neck 302 .
  • a separate corrugated pipe 304 may be inserted into the nozzle housing 301 (in particular, the nozzle neck part 320) and the connection neck 302, and when the corrugated pipe 304 is provided, the basic suction port 311
  • the foreign substances (dust, etc.) introduced into the corrugated pipe 304 move toward the connection pipe 200 through the inside of the corrugated pipe 304 .
  • connection neck 302 forms a rear portion of the suction nozzle 300 , and may be formed behind the nozzle housing 301 .
  • the nozzle housing 301 (the nozzle neck portion 320) and the connection neck 302 are rotatably coupled to each other.
  • the nozzle housing 301 (nozzle neck part 320) and the connection neck 302 are rotatably coupled to each other based on the nozzle rotation shaft S1.
  • the nozzle rotation shaft (S1) may be made parallel to the bottom surface (B).
  • the suction nozzle 300 may be provided with a rotary cleaner 305 .
  • the rotary cleaner 305 is generally formed in the form of a roller, and is rotatably coupled to the nozzle housing 301 (the nozzle head part 310) with respect to the central axis 305a thereof.
  • the rotary cleaner 305 may be coupled to the bottom surface of the nozzle housing 301 (the nozzle head part 310) in front of the basic suction port 311. (See FIG. 1)
  • the rotary cleaner 305 may be formed in the same form as an agitator of a vacuum cleaner.
  • a motor (second motor 306 ) may be provided inside the suction nozzle 300 for rotation of the rotary cleaner 305 .
  • the outer peripheral surface layer 305b including a brush and/or a brush and the like may be formed on the outer peripheral surface of the rotary cleaner 305 .
  • the outer circumferential layer 305b of the rotary cleaner 305 may be disposed in contact with the bottom surface B or close to the bottom surface B, and the rotary cleaner 305 rotates to remove dust from the floor and the like through the basic suction port 311 ) can be swept or adsorbed.
  • the suction nozzle 300 may be provided with a mop 307 (see FIG. 2).
  • the mop 307 is made flat and is located on the bottom surface of the nozzle housing 301 (nozzle head 310). Doedoe, it may be coupled to the nozzle housing 301 (nozzle head portion 310) rotatably about the rotation shaft 307a perpendicular to the bottom surface (B) or substantially perpendicular to the bottom surface (B).
  • Two mops 307 may be provided, and the two mops 307 may rotate in opposite directions.
  • a motor (third motor 308 ) may be provided inside the suction nozzle 300 for rotation of the mop 307 .
  • connection pipe 200 includes a first connection part 210 and a second connection part 220 .
  • the direction from the first connection part 210 to the second connection part 220 may be the longitudinal direction of the connection pipe 200, and the direction from the second connection part 220 to the first connection part 210 is the connection pipe ( 200) in the longitudinal direction.
  • the longitudinal direction (axial direction) of the connection pipe 200 may be defined as the first direction (X2).
  • the direction from the main body suction port 140 to the suction nozzle 300 may be defined as the first direction (X2).
  • the direction in which the main body suction port 140 protrudes from the cleaning main body 100 may be defined as the first direction (X2), and, on the other hand, the direction in which the connection pipe is positioned relative to the cleaning main body 100 is the first direction (X2). ) can be
  • the main body suction port may be formed in the form of a tube protruding from the cleaning main body in the first direction.
  • the direction from the second connection part 220 to the first connection part 210 may be the first direction X2.
  • the second direction Y2 a direction orthogonal to the first direction X2 will be described as the second direction Y2.
  • the second direction Y2 may be made parallel to the floor surface B.
  • the second direction Y2 may be a direction parallel to the left-right direction.
  • a direction orthogonal to the first direction X2 and the second direction Y2 is defined as the third direction Z2.
  • the third direction (Z2) may be a vertical direction when the connecting pipe 200 is laid down parallel to the flat floor in the horizontal direction, and when the connecting pipe 200 is erected vertically, the third direction (Z2) is the front can be direction.
  • the connecting pipe may be formed in a shape in which its longitudinal direction is curved.
  • the connecting pipe 200 may be formed in a form in which its longitudinal direction forms a straight line. That is, the connecting pipe 200 may be formed parallel to the first direction X2 , and the central axis of the connecting pipe 200 may be formed parallel to the first direction X2 .
  • the first connection part 210 forms a part of the front side of the connection pipe 200
  • the second connection part 220 forms a part on the rear side of the connection pipe 200 .
  • the connecting pipe 200 may have a constant cross-section along its longitudinal direction (first direction X2), or may have a variable cross-section along its longitudinal direction.
  • connection pipe 200 may be formed in a circular tube shape, or may be formed in a polygonal tube shape.
  • connection neck 302 of the suction nozzle 300 is coupled to the first connection portion 210 of the connection pipe 200, and is also separated.
  • a nozzle other than the suction nozzle 300 may be coupled to the first connection part 210 of the connection pipe 200 .
  • FIG 5 is a perspective view illustrating a state in which the cleaning main body 100 , the first tool assembly 400 , the second tool assembly 500 , and the pipe assembly 600 are coupled to each other in the vacuum cleaner 1 .
  • FIG. 6 is a view showing a state in which the cleaning main body 100, the first tool assembly 400, the second tool assembly 500, and the pipe assembly 600 are separated from each other in the vacuum cleaner 1 of FIG. is a perspective view.
  • FIG. 7 is a cross-sectional view illustrating a state in which the cleaning main body 100, the first tool assembly 400, the second tool assembly 500, and the pipe assembly 600 are coupled to each other.
  • FIG. 8 is a perspective view illustrating a state in which only the cleaning main body 100 is separated from the vacuum cleaner 1 of FIG. 5 .
  • the first tool assembly 400 , the second tool assembly 500 , and the pipe assembly 600 are coupled to each other.
  • FIG. 9 is a perspective view illustrating a state in which the cleaning main body 100 and the first tool assembly 400 are separated from the vacuum cleaner 1 of FIG. 5 .
  • the cleaning main body 100 and the first tool assembly 400 are coupled to each other, and the second tool assembly 500 and the pipe assembly 600 are coupled to each other.
  • FIG. 10 is a perspective view illustrating a state in which the cleaning main body 100 , the first tool assembly 400 , and the second tool assembly 500 are separated from the vacuum cleaner 1 of FIG. 5 .
  • the cleaning main body 100 , the first tool assembly 400 , and the second tool assembly 500 are coupled to each other.
  • the vacuum cleaner 1 includes a first tool assembly 400 , a second tool assembly 500 , and a pipe assembly 600 .
  • first tool assembly 400 , the second tool assembly 500 , and the pipe assembly 600 described in the embodiment of the present invention may form a passage through which dust or the like moves.
  • the first tool assembly 400 and the second tool assembly 500 described in the embodiment of the present invention may each form a suction port for sucking dust or the like.
  • the first tool assembly 400 , the second tool assembly 500 , and the pipe assembly 600 described in the embodiment of the present invention may each include a configuration made of a pipe shape.
  • the axial direction may be parallel to the first direction X2 , and the axial direction may coincide with the first direction X2 .
  • the pipe described in the embodiment of the present invention is made in the form of a hollow pipe.
  • the pipe described in the embodiment of the present invention may be formed in the form of a pipe forming a passage in the first direction X2.
  • at least a portion of the outer diameter or inner diameter in the first direction (X2) may be made constant, or at least a portion of the outer diameter or inner diameter is deformed along the first direction (X2) can be in the form
  • the pipe described in the embodiment of the present invention may have various cross-sectional shapes, for example, may be formed in a circular shape, an oval shape, or a polygonal shape.
  • the vacuum cleaner 1 may be used in which the cleaning main body 100 , the first tool assembly 400 , the second tool assembly 500 , and the pipe assembly 600 are fixedly coupled to each other.
  • the cleaning main body 100, the first tool assembly 400, the second tool assembly 500, and the pipe assembly 600 may be separated from each other, respectively. (See FIG. 6)
  • the first tool assembly 400 , the second tool assembly 500 , and the pipe assembly 600 coupled to each other may be separated from the cleaner main body 100 (see FIG. 8 ).
  • the cleaning main body 100 may be used in combination with other nozzles.
  • the second tool assembly 500 and the pipe assembly 600 may be separated from the first tool assembly 400 .
  • the cleaning main body 100 and the first tool assembly 400 may be coupled to each other. (See FIG. 9 )
  • the first tool assembly 400 itself forms a single nozzle, and the first Dust and the like may be sucked through the first suction port 405 of the tool assembly 400 .
  • the pipe assembly 600 may be separated from the second tool assembly 500 .
  • the cleaning main body 100 , the first tool assembly 400 , and the second tool assembly 500 may be coupled to each other (see FIG. 10 ).
  • the second tool assembly 500 is one by itself. Forming a nozzle of , dust and the like may be sucked through the second suction port 505 of the second tool assembly 500 .
  • FIG 11 is a perspective view illustrating a state in which the cleaning main body 100 and the first tool assembly 400 are coupled to each other.
  • the user may operate the cleaning main body 100 to use the first tool assembly 400 as a nozzle for sucking dust or the like.
  • FIG. 12 is an exploded perspective view illustrating the first tool assembly 400 .
  • the first tool assembly 400 includes a first suction port 405 communicating with the body suction port 140 .
  • the first tool assembly 400 may be detachably fixed to the main body suction port 140 .
  • the first tool assembly 400 includes a first body 410 , a first lever 420 , a first rotation body 450 , and a second rotation body 460 .
  • the first tool assembly 400 includes a first elastic body 430 , a first button cover 440 , a first rotation spring 470 , and a second rotation spring 480 .
  • the main body suction port 140 may be formed in the form of a pipe in the first direction.
  • a first locking groove 141 may be formed on the outer surface of the main body suction port 140 .
  • the first locking groove 141 may be formed in the form of a concave groove on the outer surface of the main body suction port 140 .
  • the first locking groove 141 may be formed in front of the body suction port 140 in the third direction Z2. Therefore, when the body suction port 140 is placed parallel to the bottom surface (B), it can be said that the first locking groove 141 is located above the body suction port 140, and the body suction port 140 is placed on the bottom surface (B) ) and when erected vertically, the first locking groove 141 can be said to be located in front of the main body suction port 140 .
  • the first body 410 is made to be detachable from the main body inlet 140 .
  • the first body 410 may be formed in a pipe shape along the first direction.
  • the first body 410 may have a central axis direction parallel to the first direction X2 .
  • the first body 410 may be divided into a first rear portion 410a and a first front portion 410b.
  • a first opening 411 that is a through hole may be provided in the first body 410 .
  • the first opening 411 may be formed in the first rear portion 410a.
  • the first opening 411 is formed in front of the first body 410 in the third direction Z2 .
  • the first opening 411 may be formed at a position corresponding to the first lever 420 , and in particular, may be formed at a position corresponding to the first locking protrusion 421 of the first lever 420 .
  • the first body 410 and the main body suction port 140 may be coupled to each other while the main body suction port 140 is inserted into the first body 410 (while being fitted). That is, the main body suction port 140 is inserted into the first body 410 while moving in the first direction X2, so that the two can be combined.
  • the first body 410 and the main body inlet 140 are coupled to fit each other. That is, in a state in which the first body 410 and the main body inlet 140 are coupled, there is no flow between the first body 410 and the main body inlet 140 in a direction perpendicular to the first direction X2. .
  • the first button cover 440 shields the first opening 411 and is fixedly coupled to the first body 410 from the outside of the first lever 420 .
  • the first lever 420 includes a first locking protrusion 421 . Also, the first lever 420 further includes a first rotation center portion 422 and a first button portion 423 .
  • the first locking protrusion 421, the first rotation center portion 422 and the first button portion 423 may all be integrally formed.
  • the first lever 420 is rotatably coupled to the first body 410 based on the first lever shaft S2 (pivot).
  • the first lever 420 may be coupled to the first body 410 from the front in the third direction Z2 .
  • the first lever shaft S2 of the first lever 420 may be parallel to the second direction Y2.
  • the first rotation center portion 422 forms a rotation shaft (first lever shaft S2) of the first lever 420.
  • the first rotation center portion 422 is located at a position closer to the cleaning main body 100 than the first locking protrusion 421 .
  • the first rotation center 422 may be supported on one side of the first body 410 .
  • the first locking protrusion 421 protrudes in the inner direction of the first body 410 . That is, the first locking protrusion 421 has a shape that protrudes in a direction opposite to the third direction Z2.
  • the first locking protrusion 421 may protrude inwardly of the first body 410 through the first opening 411 .
  • the first locking protrusion 421 may protrude more inward than the inner surface of the first body 410 , or the first The locking protrusion 421 may be located more outside than the inner surface of the first body 410 or located at the same position.
  • the first locking protrusion 421 In a state in which the first locking protrusion 421 protrudes more inward than the inner surface of the first body 410 , the first locking protrusion 421 is inserted into and caught in the first locking groove 141 .
  • the first button portion 423 may be formed on the opposite side of the first locking protrusion 421 with respect to the first rotation center portion 422 .
  • the first button portion 423 extends from the first rotation center portion 422 and protrudes out of the first button cover 440 .
  • the first button part 423 is spaced apart from the outer surface of the first body 410 from the outside of the first body 410, and the user presses the first button part 423 and uses the first rotation center part 422 as a rotation axis.
  • the first lever 420 may be rotated (pivoted).
  • the first elastic body 430 may be made of various materials and structures that are elastically deformed, and may be formed in the form of a leaf spring, a torsion spring, or a coil spring.
  • the first elastic body 430 elastically supports the first lever 420 such that the first locking protrusion 421 protrudes to the inside of the first body 410 .
  • the first elastic body 430 elastically supports the first lever 420 so that the first locking protrusion 421 is inserted into the first locking groove 141 .
  • a first elastic body coupling portion 424 may be formed on the first lever 420 .
  • the first elastic body coupling portion 424 may be formed integrally with other components constituting the first lever 420 .
  • the first elastic body coupling portion 424 forms a space in which the first elastic body 430 is coupled between the first button cover 440 and the first elastic body portion 424 .
  • the first elastic body coupling unit 424 may be a surface facing the outside of the first body 410 .
  • the main body suction port 140 When the main body suction port 140 is fully inserted into the first body 410 and no external force is applied (when a separate external force does not act on the first button part 423), the first elastic body 430 ), the state in which the first locking protrusion 421 is inserted into the first locking groove 141 is maintained. At this time, the fixed coupling (fastening) of the cleaning main body 100 (the main body suction port 140) and the first tool assembly 400 (the first body 410) is maintained.
  • the main body suction port 140 cleaning main body 100
  • the user can remove the body suction port from the first tool assembly 400 . It can be separated by pulling 140 in a direction opposite to the first direction X2.
  • a second locking groove 412 may be formed on an outer surface of the first body 410 .
  • the second locking groove 412 may be formed in the first front part 410b.
  • the second locking groove 412 may be formed in the form of a concave groove on the outer surface of the first body 410 .
  • the second locking groove 412 may be formed in front of the first body 410 in the third direction Z2. Therefore, when the first body 410 is placed parallel to the bottom surface B, the second locking groove 412 can be said to be located on the upper side of the first body 410, and the first body 410 is located on the floor. When erected perpendicular to the surface B, the second locking groove 412 can be said to be positioned in front of the first body 410 .
  • the first locking groove 141 is located in front of the first lever 420 in the first direction X2.
  • FIG. 13A is a view illustrating a state in which the first rotating body 450 and the second rotating body 460 are in close contact with each other in the first tool assembly 400
  • FIG. 13B is the first rotating body 450 in the first tool assembly 400 . It is a view showing a state in which the rotating body 450 and the second rotating body 460 are separated from each other.
  • FIG. 14 is a cross-sectional view illustrating a state in which the first tool assembly 400 and the second tool assembly 500 are coupled to each other.
  • the first tool assembly 400 When the first tool assembly 400 and the second tool assembly 500 are separated from each other, the first tool assembly 400 may be in the same state as in FIG. 13A, and the first tool assembly 400 and the second tool assembly ( When 500 is coupled to each other, the first tool assembly 400 may be in a state as shown in FIG. 13B .
  • Front ends of the first rotating body 450 and the second rotating body 460 based on the first direction X2 are located in front of the first body 410 , and the first rotating body 410 against the first body 410 ( As the 450 and the second rotating body 460 rotate (rotate in opposite directions), the first rotating body 450 and the second rotating body 460 may form a first suction port 405 .
  • the first rotating body 450 and the second rotating body 460 are rotatably coupled to the first body 410 , respectively.
  • the first rotating body 450 and the second rotating body 460 may be rotatably coupled to the first front part 410b of the first body 410 .
  • the first rotating body 450 and the second rotating body 460 may be positioned on opposite sides of the first body 410 and may be symmetrical to each other.
  • the first rotating body 450 and the second rotating body 460 may be symmetrical about a central plane CS orthogonal to the second direction Y2.
  • the rotation axis of the first rotation body 450 (the first rotation shaft S3 ) and the rotation axis of the second rotation body 460 (the second rotation shaft S4 ) may be parallel to the third direction Z2 .
  • the first rotating body 450 and the second rotating body 460 are coupled to the front portion of the first body 410 with respect to the first direction X2.
  • the first rotating body 450 and the second rotating body 460 may be coupled to the front end of the first body 410 with respect to the first direction X2.
  • first rotating body 450 and the second rotating body 460 are rotated in opposite directions with respect to the first body 410, the front ends of the first rotating body 450 and the second rotating body 460 are respectively. These can be rotated away from each other (see Fig. 13b), and each front end can be rotated so that they are closer to each other (see Fig. 13a).
  • the second body 510 of the second tool assembly 500 rotates the first rotation body 450 and The second rotating body 460 is rotated while pressing, and the first rotating body 450 and the second rotating body 460 are placed in a state in which their front ends are separated from each other by the second body 510 .
  • the first rotation body 450 and the second rotation body 460 are attached to the second body 510 . is not supported, and accordingly, the first rotating body 450 and the second rotating body 460 may rotate in opposite directions so that their respective front ends are close to each other.
  • first rotating body 450 and the second rotating body 460 may form a first suction port 405 communicating with the inside of the main body suction port 140 .
  • the first rotating body 450 and the second rotating body 460 form the first suction port 405
  • the first rotating body 450 and the second rotating body 460 are combined with each other to form a single tube make up That is, the first suction port 405, which is a hole opened at the front end of the pipe formed by the combination of the first rotating body 450 and the second rotating body 460, is provided, and the first rotating body 450 and the second rotating body 450 are provided.
  • the first body 410 is coupled to the back of the tube formed by the combination of the entire 460 .
  • the first suction port 405 forms an inlet through which air, dust, etc. are introduced into the first body 410 and the cleaning main body 100, and within this range, the first rotating body 450 and the second rotating body 460 are formed. ) can be formed in various forms.
  • the first rotating body 450 and the second rotating body 460 may be generally formed in a half tube shape. That is, the first rotating body 450 and the second rotating body 460 forming a symmetrical semi-tubular shape form a completed tube in a state in which the first rotating body 450 and the second rotating body 460 are closely coupled to each other, and the first rotating body 450 and the second rotating body 450 are formed.
  • the two rotating bodies 460 When the two rotating bodies 460 are spread apart from each other, it may be formed in a form in which two half-length tubes are provided.
  • the first rotating body 450 and the second rotating body 460 form a 'variable nozzle'.
  • variable nozzle (the first rotating body 450 and the second rotating body 460) is used as a new nozzle other than the suction nozzle 300, and when the suction nozzle 300 is referred to as a first nozzle, the variable nozzle corresponds to the second nozzle.
  • variable nozzle (the first rotating body 450 and the second rotating body 460) is coupled to the connecting pipe 200 and/or the cleaning main body 100, there is no risk of loss, and there is no risk of loss other than the suction nozzle 300. Since the variable nozzle can be used as soon as the first tool assembly 400 is separated from the connecting pipe 200 for use of another nozzle, the convenience of use can be significantly improved.
  • first rotation body 450 and the second rotation body 460 are in close contact with the inner peripheral surface of the second body 510 when the first tool assembly 400 and the second tool assembly 500 are coupled to each other.
  • first rotating body 450 and the second rotating body 460 are each made in a semi-tubular shape, they can be closely attached to the inner circumferential surface of the second body 510, and the first rotation It is possible to minimize the increase in volume by the entire 450 and the second rotating body 460, and to form a passage of sufficient size for the movement of dust.
  • the first rotating body 450 includes a first half tube 451 and a first pressing part 452 .
  • the first half tube 451 is generally formed in a semi tube shape, and includes a first edge 451a and a second edge 451b that are parallel to each other.
  • the first half tube 451 includes a first half tube wall 451c that forms a wall between the first edge 451a and the second edge 451b.
  • the first pressing portion 452 extends to the other side from the first half tube 451 with respect to the first rotational shaft S3.
  • the first pressing portion 452 may form a rear portion. Compared to the first half tube 451 , the first pressing part 452 may be made very small.
  • the first rotating body 450 is rotatably coupled to the first body 410 based on the first rotating shaft S3. At this time, the first half tube 451 protrudes from the first body 410 in the first direction (X2), and the first pressing part 452 extends from the first body 410 in the second direction (Y2). can be formed into a protruding shape.
  • a first pressing hole 415 is formed in the first body 410 .
  • the first pressing hole 415 may be a hole penetrating the first body 410
  • the first pressing hole 415 may be a hole penetrating the first body 410 substantially parallel to the second direction Y2 . there is.
  • the first pressing hole 415 may be formed in the first front part 410b.
  • the first pressing part 452 may protrude to the outside of the first body 410 through the first pressing hole 415 .
  • the degree of protrusion of the first pressing part 452 through the first pressing hole 415 in a state in which the first half tube 451 and the second half tube 461 rotate inward as close to each other as possible to form the first suction port 405 . is made the largest, and the degree of protrusion of the first pressing part 452 through the first pressing hole 415 in a state in which the first half tube 451 and the second half tube 461 are rotated to the outside as far as possible from each other made the smallest
  • the second rotating body 460 includes a second half tube 461 and a second pressing part 462 .
  • the second half tube 461 is generally formed in a semi tube shape, and includes the third edge 461a and the fourth edge 461b that are parallel to each other.
  • the second half tube 461 is symmetrical with the first half tube 451 about the central plane CS.
  • the second half tube 461 includes a second half tube wall 461c that forms a wall between the third edge 461a and the fourth edge 461b.
  • the first semi-tubular wall 451c and the second semi-tubular wall 461c may have a shape in which the distance between them becomes narrower toward the front in the first direction X2. That is, the first half tube 451 and the second half tube 461 forming the first suction port 405 may have a shape in which the cross-sectional area thereof becomes narrower toward the front in the first direction X2.
  • the second pressing part 462 extends to the other side from the second half tube 461 with respect to the second rotation shaft S4.
  • the second pressing portion 462 may form a rear portion.
  • the second pressing portion 462 may be made very small.
  • the second rotating body 460 is rotatably coupled to the first body 410 based on the second rotating shaft S4. At this time, the second half tube 461 protrudes from the first body 410 in the first direction X2 , and the second pressing part 462 extends from the first body 410 in the second direction Y2 . It can form a protruding shape in the opposite direction of
  • a second pressing hole 416 is formed in the first body 410 .
  • the second pressing hole 416 may be a hole penetrating the first body 410
  • the second pressing hole 416 may be a hole penetrating the first body 410 substantially parallel to the second direction Y2 . there is.
  • the second pressing hole 416 may be formed in the first front part 410b.
  • the first pressing hole 415 and the second pressing hole 416 may be formed on opposite sides of each other.
  • the first pressing hole 415 is formed on the left side of the first body 410
  • the second pressing hole 416 may be formed on the right side of the first body 410 .
  • the second pressing part 462 may protrude to the outside of the first body 410 through the second pressing hole 416 .
  • the degree of protrusion of the second pressing part 462 through the second pressing hole 416 in a state in which the first half tube 451 and the second half tube 461 rotate inward as close to each other as possible to form the first suction port 405 . is the largest, and the degree of protrusion of the second pressing part 462 through the second pressing hole 416 in a state in which the first half tube 451 and the second half tube 461 are rotated to the outside as far as possible from each other made the smallest
  • the second pressing part 462 is symmetrical with the first pressing part 452 about the central surface CS.
  • the vacuum cleaner 1 may include a first rotating spring 470 and a second rotating spring 480 .
  • the first rotation spring 470 and the second rotation spring 480 may be formed in various spring shapes elastically deformed, respectively.
  • the first rotation spring 470 and the second rotation spring 480 may each be formed in the form of a leaf spring.
  • the first rotational spring 470 and the second rotational spring 480 may be symmetrical with respect to the central surface CS.
  • the first rotating spring 470 has a part fixed to the first rotating body 450 and the other part fixed to the first body 410, the front end of the first rotating body 450 (first direction X2) The front end based on) elastically supports the first rotating body 450 so that it rotates toward the second rotating body 460 .
  • the second rotating spring 480 is partly fixed to the second rotating body 460 and the other part is fixed to the first body 410, the front end of the second rotating body 460 (first direction X2).
  • the front end based on) elastically supports the second rotating body 460 so that it rotates toward the first rotating body 450 .
  • the second body 510 may be formed in a pipe shape generally along the first direction.
  • the front of the first body 410 is inserted from the rear of the second body 510 in the first direction X2.
  • the second body 510 includes a pressing surface 515 forming a rear inner circumferential surface in the first direction X2.
  • the pressing surface 515 may form an inner peripheral surface of the second rear portion 510a.
  • the pressing surface 515 may have a shape in which an inner diameter increases toward the rear in the first direction X2 .
  • the pressing surface 515 When the pressing surface 515 is coupled to the first body 410 and the second body 510 , the front of the first body 410 in the first direction X2 is the back of the second body 510 .
  • the first pressing part 452 and the second pressing part 462 are pressed and the first rotating body 450 and the second rotating body 460 are rotated.
  • the first pressing portion 452 is pressed by the pressing surface 515 so that the first half tube 451 rotates outward, and the pressing surface
  • the second pressing part 462 is pressed by 515 and the second half tube 461 is rotated outward, and the first body 410 and the second body 510 are coupled to each other, the first half tube 451 and the second half tube 461 are spread apart from each other and maintained in close contact with the inner surface of the second body 510 .
  • the first rotating body 450 is rotated by the first rotating spring 470
  • the second rotating body 450 is rotated by the second rotating spring 480 .
  • the rotating body 460 rotates, and the first half pipe 451 and the second half pipe 461 come close to each other to form a first suction port 405 .
  • the first corner 451a is in close contact with the third corner 461a
  • the second corner 451b is It is in close contact with the fourth corner 461b.
  • the cross-sectional area of the inner space of the first rotating body 450 and the second rotating body 460 is in the first direction. It may be formed in a shape that becomes narrower toward the front of (X2). That is, the first inlet 405 may be formed to have a relatively narrow interval, and the width of the first inlet 405 may be smaller than the inner diameter of the first body 410 .
  • the combined first rotating body 450 and the second rotating body 460 is a single crevasse tool ( It can form a crevice tool or crevice nozzle).
  • 15A is a perspective view illustrating a state in which the cleaning main body 100, the first tool assembly 400, and the second tool assembly 500 are coupled to each other.
  • the user may operate the cleaning main body 100 to use the second tool assembly 500 as a nozzle for sucking dust or the like.
  • 15B is a perspective view illustrating a state in which the brush cover 550 is moved backward in the first direction X2 in FIG. 15A . Even in this state, the user can operate the cleaning main body 100 to use the second tool assembly 500 as a nozzle for sucking dust or the like.
  • 16 is an exploded perspective view showing the second tool assembly 500 .
  • FIG. 17A is a cross-sectional view illustrating a state in which the cleaning main body 100, the first tool assembly 400, and the second tool assembly 500 are coupled to each other, and FIG. 17B is a state in which the second lever 520 is operated. It is one cross section.
  • FIG. 18 is a perspective view illustrating a state in which the second tool assembly 500 is separated from FIG. 15A .
  • the second tool assembly 500 has a second suction port 505 communicating with the first body 410 .
  • the second tool assembly 500 may be detachably fixed to the first tool assembly 400 .
  • the second tool assembly 500 includes a second body 510 and a second lever 520 .
  • the second tool assembly 500 includes a second elastic body 530 .
  • the second body 510 has a pipe shape along the first direction.
  • the front edge of the second body 510 in the first direction X2 may form the second suction port 505 .
  • the second body 510 may have a central axis direction parallel to the first direction X2 .
  • the front edge of the second body 510 in the first direction X2 may be formed such that a front portion in the third direction protrudes more forward in the first direction X2 than a rear portion in the third direction. That is, when viewed from the side, the front edge of the second body 510 forming the second suction port 505 of the second tool assembly 500 in the first direction X2 may be formed to have an oblique shape.
  • the second body 510 is configured to be detachable from the first body 410 .
  • the first body 410 is fitted into the rear of the second body 510 in the first direction X2 .
  • the second body 510 may be coaxially coupled to the first body 410 to accommodate the first rotation body 450 and the second rotation body 460 .
  • the second body 510 may be divided into a second rear portion 510a and a second front portion 510b.
  • the second rear portion 510a forms a rear portion of the second body 510
  • the second front portion 510b forms a front portion of the second body 510 .
  • the outer diameter of the second front portion 510b may be smaller than the outer diameter of the second rear portion 510a.
  • the first front part 410b of the first body 410 fits into the second rear part 510a of the second body 510. can be fitted to fit.
  • the outer peripheral surface of the second rear portion 510a of the second body 510 may be formed to substantially coincide with or completely coincide with the outer peripheral surface of the first rear portion 410a of the first body 410 . That is, in a state in which the first body 410 and the second body 510 are coupled to each other, there may be no step difference between the outer peripheral surface of the first rear part 410a and the outer peripheral surface of the second rear part 510a.
  • a first fixing groove 517 and a second fixing groove 518 may be formed on the outer surface of the second body 510 (see FIG. 20).
  • the first fixing groove 517 and the second fixing groove 518 ) is spaced apart from the outer surface of the second body 510 in the front and rear directions in the first direction X2.
  • the first fixing groove 517 is a groove formed relatively forward in the first direction X2
  • the second fixing groove 518 is a groove formed relatively rearward in the first direction X2 .
  • the first fixing groove 517 and the second fixing groove 518 may be formed in the second front part 510b.
  • a second opening 511 that is a through hole may be provided in the second body 510 .
  • the second opening 511 may be formed in the second rear portion 510a.
  • the second opening 511 is formed in front of the second body 510 in the third direction Z2 .
  • the second opening 511 may be formed at a position corresponding to the second lever 520 , and in particular may be formed at a position corresponding to the second locking protrusion 521 of the second lever 520 .
  • the second opening 511 is formed behind the second body 510 in the first direction X2 .
  • the second opening 511 may be formed at the rear end of the second body 510 in the first direction X2 .
  • the second body 510 and the first body 410 may be coupled to each other while the first body 410 is inserted into the second body 510 (as fitted). That is, the first body 410 is inserted into the second body 510 while moving in the first direction X2, so that the two can be combined.
  • the second body 510 and the first body 410 are tightly coupled to each other. That is, in a state in which the second body 510 and the first body 410 are coupled to each other, there is no flow between the second body 510 and the first body 410 in a direction perpendicular to the first direction X2.
  • the second lever 520 includes a second locking protrusion 521 .
  • the second lever 520 further includes a second rotation center portion 522 and a second button portion 523 .
  • the second locking protrusion 521, the second rotation center portion 522 and the second button portion 523 may all be integrally formed.
  • the second lever 520 is rotatably coupled to the second body 510 based on the second lever shaft S5 (pivot).
  • the second lever 520 may be coupled to the second body 510 from the front in the third direction Z2 .
  • the second lever shaft S5 of the second lever 520 may be parallel to the second direction Y2 .
  • the second rotation center portion 522 forms a rotation shaft (second lever shaft S5) of the second lever 520 .
  • the second rotation center portion 522 is located at a position farther from the cleaning main body 100 than the second locking protrusion portion 521 .
  • the second rotation center portion 522 may be supported on one side of the second body 510 .
  • the second locking protrusion 521 protrudes in the inner direction of the second body 510 . That is, the second locking protrusion 521 protrudes in a direction opposite to the third direction Z2.
  • the second locking protrusion 521 may protrude inwardly of the second body 510 through the second opening 511 .
  • the second locking protrusion 521 may protrude more inward than the inner surface of the second body 510 , or the second The locking protrusion 521 may be located more outside than the inner surface of the second body 510 or located at the same position.
  • the second button part 523 may be formed on the opposite side of the second locking protrusion 521 with respect to the second rotation center part 522 .
  • the second button part 523 is spaced apart from the outer surface of the second body 510 from the outside of the second body 510, and the user presses the second button part 523 to use the second rotation center part 522 as the rotation axis.
  • the second lever 520 may be rotated (pivoted).
  • the second elastic body 530 may be made of various materials and structures that are elastically deformed, and may be formed in the form of a leaf spring, a torsion spring, or a coil spring.
  • the second elastic body 530 elastically supports the second lever 520 so that the second locking protrusion 521 protrudes to the inside of the second body 510 .
  • the second elastic body 530 elastically supports the second lever 520 so that the second locking protrusion 521 is inserted into the second locking groove 412 .
  • a second elastic body coupling portion 524 may be formed on the second lever 520 .
  • the second elastic body coupling portion 524 may be formed integrally with other components constituting the second lever 520 .
  • the second elastic body coupling part 524 may be an inner surface of the second button part 523 .
  • the second lever 520 When the second lever 520 is rotated by pressing the second button unit 523 in a state in which the first body 410 is inserted into the second body 510, the second elastic body 530 is elastically deformed and the second The locking protrusion 521 is separated from the second locking groove 412 . Accordingly, the first body 410 (the first tool assembly 400 ) is in a state detachable from the second tool assembly 500 (the second body 510 ), and the user can use the second tool assembly 500 .
  • the first body 410 may be separated by pulling it in a direction opposite to the first direction X2.
  • FIG. 19A is a perspective view illustrating the cleaning main body 100, the first tool assembly 400, and the second tool assembly 500 are coupled to each other, and FIG. 15B is the brush cover 550 in FIG. 15A in the first direction. It is a perspective view showing the state moving to the rear of (X2).
  • 20 is a view illustrating a part of the second body 510 of the second tool assembly 500 .
  • FIG. 21A is a cross-sectional view illustrating the second tool assembly 500
  • FIG. 21B is a cross-sectional view illustrating the brush cover 550 moving backward in the first direction X2 in FIG. 21A.
  • the second tool assembly 500 may include a brush 540 and a brush cover 550 .
  • the second tool assembly 500 may include a cover lever 554 .
  • the brush 540 includes a plurality of strands 541 .
  • the strands 541 constituting the brush 540 may be made of or include fibers, hairs, plastics, or wires.
  • Each strand 541 is formed generally along the first direction X2 (the longitudinal direction of the strand is parallel to the first direction X2).
  • the brush 540 may be fixedly coupled along the front edge of the second body 510 to protrude forward in the first direction X2 than the second body 510 .
  • the brush 540 may be formed on a part or all of the front edge of the second body 510 in the first direction X2 .
  • the brush 540 may be formed to have a predetermined pattern or to have a predetermined interval along the circumferential direction of the front edge of the second body 510 in the first direction X2 .
  • the brush cover 550 is formed in a pipe shape along the first direction.
  • the brush cover 550 may form a second suction port 505 together with the second body 510 .
  • the brush cover 550 is movably coupled to the second body 510 in a first direction (X2) or a direction opposite to the first direction (X2).
  • the front end of the brush cover 550 in the first direction X2 is greater than the front end of the second body 510 . protrudes further forward.
  • the front end of the brush cover 550 in the first direction X2 is the same as the front end of the brush 540 . Or it can protrude further.
  • the brush cover 550 is configured to expose or shield the brush 540 fixed to the second body 510 .
  • the brush cover 550 is configured to expose or shield the front of the brush 540 fixed to the second body 510 in the first direction X2.
  • the brush cover 550 when the brush cover 550 is moved as far forward in the first direction (X2) as possible with respect to the second body 510 and the brush 540 is in a state accommodated in the brush cover 550, the brush cover 550
  • the position of is referred to as a first position (see FIGS. 15A and 19A ), and the brush cover 550 moves to the rear of the first direction X2 with respect to the second body 510 as far as possible so that the brush 540 moves to the brush cover
  • the position of the brush cover 550 is referred to as a second position when in the state exposed to the outside of the 550 (see FIGS. 15b and 19b).
  • the second tool assembly 500 constituting the second suction port 505 is used as a new nozzle other than the suction nozzle 300 , and the second tool assembly 500 may correspond to the third nozzle.
  • the third tool assembly 500 is coupled to the connection pipe 200 and/or the cleaning main body 100 , there is no fear of loss, and it is removed from the connection pipe 200 for use of nozzles other than the suction nozzle 300 . As soon as the second tool assembly 500 is separated, the second tool assembly 500 constituting the third nozzle can be used, thereby remarkably improving the usability.
  • the brush cover 550 may be coupled to the second body 510 in a shape surrounding the second body 510 . To this end, the outer diameter of the brush cover 550 may be larger than the outer diameter of the second body 510 .
  • the brush cover 550 and the second body 510 are tightly coupled to each other. That is, in a state in which the brush cover 550 and the second body 510 are coupled, there may be no flow between the brush cover 550 and the second body 510 in a direction perpendicular to the first direction X2. .
  • the first front part 410b of the first body 410 fits into the second rear part 510a of the second body 510. can be fitted to fit.
  • the brush cover 550 may be coupled to the second front portion 510b of the second body 510 .
  • the second rear portion 510a may always be exposed.
  • the outer circumferential surface of the brush cover 550 may be substantially identical to or completely coincident with the outer circumferential surface of the second rear portion 510a of the second body 510 . That is, in a state in which the brush cover 550 and the second body 510 are coupled and the brush cover 550 is moved to the rear in the first direction X2 as much as possible, the outer surface of the brush cover 550 and the second rear It may be formed so that there is no step difference between the outer surfaces of the part 510a.
  • the brush cover 550 may include a plurality of brush accommodating spaces 550a partitioned from each other along the circumferential direction.
  • the brush accommodating space 550a may be formed in the front portion of the brush cover 550 in the first direction X2.
  • the brush cover 550 may include an inner tube 551 , an outer tube 552 , and a plurality of partition walls 553 .
  • the inner tube 551 and the outer tube 552 are formed in a pipe shape along the first direction, respectively.
  • the inner tube 551 is located inside the second body 510 and the outer tube 552 is located outside the second body 510 . can do. In this case, the inner tube 551 may contact the inner surface of the second body 510 , and the outer tube 552 may contact the outer surface of the second body 510 .
  • the inner tube 551 and the outer tube 552 may be formed such that front ends in the first direction X2 protrude to the same extent.
  • the outer tube 552 surrounds the inner tube 551 to be spaced apart from the inner tube 551 from the outside of the inner tube 551 .
  • the partition wall 553 connects the inner tube 551 and the outer tube 552 between the inner tube 551 and the outer tube 552 .
  • the partition wall 553 is repeatedly formed along the circumferential direction of the brush cover 550 .
  • Each of the partition walls 553 is spaced apart from each other.
  • the partition wall 553 may be formed in front of the inner tube 551 and the outer tube 552 in the first direction X2 .
  • each brush accommodating space 550a may be made constant along the circumferential direction of the brush cover 550 or may be made substantially constant.
  • a portion of the brush 540 is accommodated in each brush accommodating space 550a provided in the brush cover 550, respectively.
  • the cover lever 554 may be rotatably (pivotably) coupled to the brush cover 550 .
  • the cover lever 554 may be rotatably coupled to the outer tube 552 of the brush cover 550 .
  • the second tool assembly 500 may include an elastic means, and the brush cover 550 and the cover lever 554 may be connected to each other by the elastic means. That is, when an external force is applied to the cover lever 554 and the cover lever 554 rotates against the brush cover 550, the elastic means is elastically deformed to store the elastic force, and when the applied external force is removed, the elastic means is activated. While elastically recovering, the cover lever 554 may be reversely rotated to its original position.
  • the cover lever 554 may be formed separately from the brush cover 550 and then pivotally coupled to the brush cover 550 .
  • the separate elastic means for connecting the brush cover 550 and the cover lever 554 may be provided.
  • the cover lever 554 may be formed integrally with the brush cover 550 .
  • the cover lever 554 and the brush cover 550 may be connected by a pair of connecting bridges 554c.
  • the cover lever 554 , the brush cover 550 , and the connecting bridge 554c may be elastically deformable and may be made of a material such as plastic or metal.
  • the connecting bridge 554c is made to be elastically deformable.
  • the connecting bridge 554c forms the elastic means.
  • the connecting bridge 554c forms a rotation axis of the cover lever 554 .
  • a pair of connecting bridges 554c are respectively formed on opposite sides of the cover lever 554 and are connected to the brush cover 550 .
  • the cover lever 554 includes a fixing button 554a and a fixing protrusion 554b.
  • the fixing button 554a and the fixing protrusion 554b are formed on opposite sides with respect to the rotation axis of the cover lever 554 (eg, the connecting bridge 554c).
  • the fixing protrusion 554b protrudes to the inside of the cover lever 554 and the inside of the brush cover 550 .
  • the fixing protrusion 554b includes the first fixing groove 517 or the second when the brush cover 550 moves in the first direction X2 or the opposite direction to the first direction X2 with respect to the second body 510. It is made to be inserted into the fixing groove (518).
  • the fixing protrusion 554b is inserted and caught in the first fixing groove 517. At this time, if no external force is applied to the cover lever 554, the brush cover 550 is fixed in the first position.
  • the brush The cover 550 may move in the first direction X2 or in a direction opposite to the first direction X2 with respect to the second body 510 . Accordingly, the brush cover 550 can be adjusted to be in the first position or the second position.
  • the second body 510 is When the brush cover 550 is moved forward in the first direction X2 , the brush cover 550 may be completely separated from the second body 510 . Accordingly, it is possible to form the second tool assembly 500, which is easy to maintain.
  • the brush cover 550 may include a lever groove 555 .
  • the lever groove 555 is a hole penetrated inside and outside to expose the second lever 520 , and is formed to extend forward from the rear edge in the first direction X2 .
  • the lever groove 555 may be formed to penetrate the outer tube 552 in and out.
  • the brush cover 550 may include a third locking groove 556 .
  • the third locking groove 556 is formed on the outer surface of the brush cover 550 .
  • the third locking groove 556 may be formed in the form of a concave groove on the outer surface of the brush cover 550 , or may be formed in the form of a hole penetrating the brush cover 550 .
  • the third locking groove 556 may be formed in front of the second tool assembly 500 (brush cover 550) in the third direction Z2. Therefore, when the central axis of the brush cover 550 is placed parallel to the bottom surface B, the third locking groove 556 can be said to be located on the upper side of the second tool assembly 500, and the brush cover 550. When the central axis of the bottom surface (B) is erected perpendicular to the third locking groove (556) can be said to be located in front of the second tool assembly (500).
  • the third locking groove 556 may be formed in the outer tube 552 of the brush cover 550 .
  • the third locking groove 556 and the lever groove 555 may be connected to each other.
  • the third locking groove 556 may be formed on the outer surface of the brush cover 550 in front of the second lever 520 in the first direction X2.
  • 22 is an exploded perspective view showing the pipe assembly 600 .
  • FIG. 23A is a cross-sectional view illustrating a state in which the second tool button 670 is pressed so that the third lever 620 rotates
  • FIG. 23B shows a state in which the second tool assembly 500 and the pipe assembly 600 are separated. It is one cross section.
  • FIG. 24A is a cross-sectional view illustrating a state in which the first tool button 660 is pressed so that the second lever 520 rotates
  • FIG. 24B is a second tool assembly 500 and the first tool fixed to the pipe assembly 600 . It is a cross-sectional view showing a state in which the assembly 400 is separated.
  • the pipe assembly 600 is fixedly coupled to the rear of the connection pipe 200 in the first direction X2.
  • the pipe assembly 600 may be fixedly coupled to the second connection part 220 of the connection pipe 200 .
  • the pipe assembly 600 may be removably fixed to the second tool assembly 500 .
  • the pipe assembly 600 may be detachably attached to the cleaning main body 100 .
  • the first body coupling part 180 may be formed in the cleaning main body 100
  • the second body coupling part 680 may be formed in the pipe assembly 600 .
  • the first body coupling unit 180 may be formed directly below the body suction port 140 , and the second body coupling unit 680 may be formed at the rear side of the pipe assembly 600 in the first direction (X2). there is.
  • first body coupling part 180 and the second body coupling part 680 may be formed in a protrusion shape, and the other may be formed in a groove shape into which the protrusion is inserted.
  • first body coupling part 180 may be formed in a groove shape
  • second body coupling part 680 may be formed in a protrusion shape to fit snugly into the first body coupling part 180 . .
  • the vacuum cleaner may have a more stable coupling structure as a whole.
  • the cleaning main body 100 and the suction nozzle 300 may be electrically connected to each other, in this case, the electrical connection between the cleaning main body 100 and the suction nozzle 300 is the first body coupling unit 180 and the second body It may be made through the coupling part 680 .
  • the first terminal is formed in the first body coupling portion 180
  • the second terminal is formed in the second body coupling portion 680
  • the first body coupling portion 180 and the second body coupling portion When the 680 is coupled to each other, while the first terminal and the second terminal are in contact with each other, an electrical connection between the cleaning main body 100 and the suction nozzle 300 may be made.
  • the pipe assembly 600 includes a third body 610 and a third lever 620 .
  • the pipe assembly 600 includes a second button cover 650 , a first tool button 660 and a second tool button 670 .
  • the third body 610 is configured to be detachable from the second tool assembly 500 .
  • the third body 610 may be formed in a pipe shape along the first direction.
  • the third body 610 may have a central axis direction parallel to the first direction X2 .
  • the first tool assembly 400 and the second tool assembly 500 may be inserted into the rear of the third body 610 in the first direction X2 .
  • a third opening 611 that is a through hole may be provided in the third body 610 .
  • the third opening 611 is formed in front of the third body 610 in the third direction Z2 .
  • the third opening 611 may be formed at a position corresponding to the third lever 620 , and in particular, may be formed at a position corresponding to the third locking protrusion 621 of the third lever 620 .
  • a fourth opening 612 that is a through hole may be provided in the third body 610 .
  • the fourth opening 612 is formed in front of the third body 610 in the third direction Z2 .
  • the fourth opening 612 may be formed at a position corresponding to the second lever 520 when the second tool assembly 500 and the pipe assembly 600 are coupled, and in particular, of the second lever 520 . It may be formed at a position corresponding to the second button unit 523 .
  • the fourth opening 612 may be formed immediately behind the third opening 611 .
  • the third body 610 and the second tool assembly 500 may be coupled to each other while the second tool assembly 500 is inserted (fitted) into the third body 610 . That is, the second tool assembly 500 is inserted into the third body 610 while moving in the first direction X2, so that the two can be combined.
  • the third body 610 of the pipe assembly 600 has the first tool assembly 400 therein. All or most of may be accommodated. To this end, the length of the third body 610 in the first direction X2 may be longer than the length of the first body 410 and the length of the second body 510 .
  • the third body 610 and the second tool assembly 500 are tightly coupled to each other. That is, in a state in which the third body 610 and the second tool assembly 500 are coupled, the flow in the direction orthogonal to the first direction X2 between the third body 610 and the second tool assembly 500 is It can be done without
  • the second button cover 650 is fixedly coupled to the third body 610 from the outside of the third lever 620 .
  • a first button hole 651 and a second button hole 652 are formed in the second button cover 650 .
  • the first button hole 651 and the second button hole 652 are holes passing through the second button cover, respectively, and are spaced apart from each other in the first direction (X2).
  • the first buttonhole 651 is formed at a relatively rear side in the first direction X2
  • the second buttonhole 652 is formed at a relatively front side in the first direction X2.
  • the first tool button 660 is inserted into the first button hole 651 and is configured to move in a third direction or a direction opposite to the third direction.
  • the second tool button 670 is inserted into the second button hole 652 and is configured to move in a third direction or a direction opposite to the third direction.
  • the third lever 620 includes a third locking protrusion 621 .
  • the third lever 620 further includes a third rotation center portion 622 and a third button portion 623 .
  • the third locking protrusion 621, the third rotation center portion 622, and the third button portion 623 may all be integrally formed.
  • the third lever 620 is rotatably coupled to the third body 610 based on the third lever shaft S6 (pivot).
  • the third lever 620 may be coupled to the third body 610 from the front in the third direction Z2 .
  • the third lever shaft S6 of the third lever 620 may be parallel to the second direction Y2.
  • the third rotation center portion 622 forms a rotation shaft (third lever shaft S6) of the third lever 620 .
  • the third rotation center portion 622 is located at a position closer to the cleaning main body 100 than the third locking protrusion 621 .
  • the third rotation center portion 622 may be supported on one side of the third body 610 .
  • the third locking protrusion 621 protrudes in the inner direction of the third body 610 . That is, the third locking protrusion 621 has a shape that protrudes in a direction opposite to the third direction Z2.
  • the third locking protrusion 621 may protrude inwardly of the third body 610 through the third opening 611 .
  • the third locking protrusion 621 may protrude more inward than the inner surface of the third body 610 , or the third The locking protrusion 621 may be located more outside than the inner surface of the third body 610 or located at the same position.
  • the third locking protrusion 621 In a state in which the third locking protrusion 621 protrudes more inward than the inner surface of the third body 610 , the third locking protrusion 621 is inserted into and caught in the third locking groove 556 .
  • the third button portion 623 may be formed on the opposite side of the third locking protrusion 621 with respect to the third rotation center portion 622 .
  • the third button portion 623 extends from the third rotation center portion 622 and protrudes out of the third body 610 .
  • the third button part 623 is spaced apart from the outer surface of the third body 610 from the outside of the third body 610 .
  • the third button part 623 is located just inside the second tool button 670 , and the inside of the second tool button 670 may contact the outside of the third button part 623 .
  • the user may press the third button part 623 by pressing the second tool button 670 inward, and accordingly, the third lever 620 is rotated (pivoted) with the third rotation center part 622 as the rotation axis. ) can be done.
  • the third elastic body 630 may be made of various materials and structures that are elastically deformed, and may be formed in the form of a leaf spring, a torsion spring, or a coil spring.
  • the third elastic body 630 elastically supports the third lever 620 so that the third locking protrusion 621 protrudes to the inside of the third body 610 .
  • the third elastic body 630 elastically supports the third lever 620 so that the third locking protrusion 621 is inserted into the third locking groove 556 .
  • a third elastic body coupling portion 624 may be formed on the third lever 620 .
  • the third elastic body coupling portion 624 may be formed integrally with other components constituting the third lever 620 .
  • the third elastic body coupling part 624 forms a space to which the third elastic body 630 is coupled between the second tool button 670 and the second tool button 670 .
  • the third elastic body coupling portion 624 may form a portion opposite to the third locking protrusion 621 .
  • the third elastic body coupling unit 624 may be a portion facing the outside of the third body 610 .
  • the second tool assembly 500 When the second tool assembly 500 is inserted into the third body 610 and the second tool button 670 is pressed to press the third button part 623 to rotate the third lever 620, the 3 The elastic body 630 is compressed and the third locking protrusion 621 is separated from the third locking groove 556 . Accordingly, the second tool assembly 500 (brush cover 550) is in a detachable state from the pipe assembly 600 (the third body 610), and the user removes the second tool assembly from the pipe assembly 600. (500) may be separated by pulling in the opposite direction to the first direction (X2).
  • the fourth opening 612 is not exposed from the outside.
  • the second button part 523 is located just inside the first tool button 660 , and the The inner side may contact the outer side of the second button unit 523 .
  • a pressing protrusion 662 protruding inward may be formed inside the first tool button 660 .
  • the pressing protrusion 662 of the first tool button 660 may be inserted into the fourth opening 612 to protrude into the third body 610 .
  • the user may press the second button part 523 by pressing the first tool button 660 inwardly, and accordingly, the pressing protrusion 662 presses the second button part 523, and the second rotation
  • the second lever 520 may be rotated (pivoted) using the central portion 522 as a rotation axis.
  • the pipe assembly 600 may include a fourth elastic body 640 .
  • the fourth elastic body 640 may be made of various materials and structures that are elastically deformed, and may be formed in the form of a leaf spring, a torsion spring, or a coil spring.
  • the fourth elastic body 640 presses the first tool button 660 to the outside of the third body 610 .
  • the fourth elastic body 640 may be interposed between the first tool button 660 and the third body 610 .
  • the first tool button 660 is pressed to engage the first tool assembly 400 and the second tool assembly 500. can be released.
  • a first mark 661 may be formed on an outer surface of the first tool button 660
  • a second mark 671 may be formed on an outer surface of the second tool button 670 .
  • the first mark 661 may be printed or engraved on the outer surface of the first tool button 660
  • the second mark 671 may be printed or engraved on the outer surface of the second tool button 670 . there is.
  • the first mark 661 may be formed in a shape, shape, etc. similar to or identical to that of the first suction port 405 so as to intuitively associate the first suction port 405 .
  • the second mark 671 may have a shape, shape, etc. similar to or identical to that of the second suction port 505 so as to intuitively associate the second suction port 505 .
  • FIG. 25A is a cross-sectional view showing the second tool assembly 500 and the pipe assembly 600
  • FIG. 25B is a view showing the state when the brush cover 550 is moved backward in the first direction X2 in FIG. It is a cross section.
  • the brush cover 550 is moved forward in the first direction (X2) with respect to the second body 510 so that the brush cover 550 shields the brush 540 and is caught by the third
  • the protrusion 621 may be caught in the third locking groove 556 .
  • the third locking protrusion 621 of the third lever 620 is the third locking part. It is inserted into the groove 556 and can be caught. That is, the pipe assembly 600 and the second tool assembly 500 are fastened.
  • the third locking protrusion 621 is 3 It may be made to contact the outer surface of the brush cover 550 in front of the locking groove 556 .
  • the third locking protrusion 621 of the third lever 620 is the third locking part. It is not caught in the groove 556 and is located in front of the third locking groove 556 in the first direction X2. That is, the pipe assembly 600 and the second tool assembly 500 are not completely coupled. In this state, when the second tool assembly 500 is moved backward in the first direction X2 relative to the pipe assembly 600, the pipe assembly 600 and the second tool assembly 500 are separated from each other.
  • the brush 540 of the second tool assembly 500 moves to the third body 610 .
  • the coupling may not be performed properly, and bending deformation of the brush 540 may occur.
  • the coupling between the second tool assembly 500 and the pipe assembly 600 can be completed when the brush cover 550 is in the first position.
  • 26A is a perspective view illustrating a state in which the first tool assembly 400 and the second tool assembly 500 are separated according to an embodiment
  • FIG. 26B is the second tool assembly 500 of FIG. 26A from a different direction
  • 26C and 26D are perspective views illustrating a state in which the first tool assembly 400 and the second tool assembly 500 of FIG. 26A are combined, viewed from different directions.
  • a first guide 513 and a second guide 514 for guiding the first rotation body 450 and the second rotation body 460 to spread apart from each other are formed.
  • first guide and the second guide may be formed on the inner surface of the second body 510 of the second tool assembly 500 .
  • the first guide 513 and the second guide 514 may be formed on the inner surface of the brush cover 550 .
  • the first guide 513 and the second guide 514 are respectively formed on opposite sides of the inner surface of the second tool assembly 500 .
  • the second guide 514 may be formed at the lower side.
  • the first guide 513 is formed in the front relative to the third direction Z2
  • the second guide 514 is located in the rear relative to the third direction Z2. can be formed.
  • the first guide 513 and the second guide 514 each protrude inward from the inner surface of the second tool assembly 500 .
  • the first guide 513 and the second guide 514 may each be formed in a wedge shape that is pointed in a direction opposite to the first direction X2.
  • the first guide 513 enters between the first edge 451a and the third edge 461a and the first edge 451a. and the third corner 461a are spaced apart from each other, and the second guide 514 enters between the second corner 451b and the fourth corner 461b while entering the second corner 451b and the fourth corner 461b. make them spread apart from each other.
  • the first guide 513 and the second guide 514 allow the first half tube 451 and the second half tube 461 to spread apart from each other and remain in close contact with the inner surface of the second tool assembly 500 .
  • a vacuum cleaner includes a first tool assembly, a second tool assembly, and a pipe assembly.
  • the first tool assembly, the second tool assembly, or the pipe assembly can be selectively separated from the cleaning main body, and industrial applicability is remarkable in that each tool (suction port) is effectively used.

Landscapes

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

Abstract

L'invention porte sur un aspirateur. L'aspirateur comprend un corps d'aspirateur, une buse d'aspiration, un tuyau de raccordement, un premier ensemble outil, un second ensemble outil et un ensemble tuyau. Le premier ensemble outil est fixé de manière amovible à un orifice d'aspiration du corps de l'aspirateur et possède un premier orifice d'aspiration qui communique avec l'orifice d'aspiration du corps. Le second ensemble outil est fixé de manière amovible au premier ensemble outil et possède un second orifice d'aspiration qui communique avec l'orifice d'aspiration du corps. L'ensemble tuyau est fixé à l'arrière du tuyau de raccordement et fixé de manière amovible au second ensemble outil. Le premier ensemble outil, le second ensemble outil ou l'ensemble tuyau peuvent être détachés sélectivement du corps de l'aspirateur, et chaque outil (orifice d'aspiration) peut être utilisé efficacement.
PCT/KR2021/011069 2020-10-06 2021-08-20 Aspirateur WO2022075580A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US18/029,831 US20230404337A1 (en) 2020-10-06 2021-08-20 Vacuum cleaner
EP21877834.8A EP4226828A4 (fr) 2020-10-06 2021-08-20 Aspirateur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2020-0129015 2020-10-06
KR1020200129015A KR20220045857A (ko) 2020-10-06 2020-10-06 진공청소기

Publications (1)

Publication Number Publication Date
WO2022075580A1 true WO2022075580A1 (fr) 2022-04-14

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PCT/KR2021/011069 WO2022075580A1 (fr) 2020-10-06 2021-08-20 Aspirateur

Country Status (5)

Country Link
US (1) US20230404337A1 (fr)
EP (1) EP4226828A4 (fr)
KR (1) KR20220045857A (fr)
CN (1) CN216602698U (fr)
WO (1) WO2022075580A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12070171B2 (en) 2023-01-20 2024-08-27 Sharkninja Operating Llc Extraction cleaner
US12011129B1 (en) 2023-01-20 2024-06-18 Sharkninja Operating Llc Extraction cleaner

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JPS545628B2 (fr) 1975-04-03 1979-03-19
JP2004121879A (ja) * 2004-01-30 2004-04-22 Sharp Corp 電気掃除機
KR20040058827A (ko) * 2002-12-27 2004-07-05 삼성광주전자 주식회사 진공청소기의 일체형 보조 흡입툴
US6820305B2 (en) * 2001-02-22 2004-11-23 Bsh Bosch Und Siemens Hausgeraete Gmbh Vacuum cleaner with accessories
WO2011092484A1 (fr) * 2010-01-28 2011-08-04 Dyson Technology Limited Ensemble outil d'aspiration pour un appareil de nettoyage par le vide
KR20140136554A (ko) * 2013-05-20 2014-12-01 삼성전자주식회사 청소기
KR101841455B1 (ko) 2016-08-25 2018-05-04 엘지전자 주식회사 청소기 거치대

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US4167342A (en) 1977-06-13 1979-09-11 Dataproducts Corporation Control system for matrix print head
DE102008055043B4 (de) * 2008-12-19 2013-04-25 BSH Bosch und Siemens Hausgeräte GmbH Multifunktionsdüse für Staubsauger
CN104250958B (zh) * 2013-06-26 2016-05-18 苏州宝时得电动工具有限公司 吹吸装置
KR102519650B1 (ko) * 2017-03-03 2023-04-10 엘지전자 주식회사 청소기의 지지기구, 청소기 유닛

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS545628B2 (fr) 1975-04-03 1979-03-19
US6820305B2 (en) * 2001-02-22 2004-11-23 Bsh Bosch Und Siemens Hausgeraete Gmbh Vacuum cleaner with accessories
KR20040058827A (ko) * 2002-12-27 2004-07-05 삼성광주전자 주식회사 진공청소기의 일체형 보조 흡입툴
JP2004121879A (ja) * 2004-01-30 2004-04-22 Sharp Corp 電気掃除機
WO2011092484A1 (fr) * 2010-01-28 2011-08-04 Dyson Technology Limited Ensemble outil d'aspiration pour un appareil de nettoyage par le vide
KR20140136554A (ko) * 2013-05-20 2014-12-01 삼성전자주식회사 청소기
KR101841455B1 (ko) 2016-08-25 2018-05-04 엘지전자 주식회사 청소기 거치대

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Title
See also references of EP4226828A4

Also Published As

Publication number Publication date
CN216602698U (zh) 2022-05-27
EP4226828A1 (fr) 2023-08-16
KR20220045857A (ko) 2022-04-13
EP4226828A4 (fr) 2024-10-23
US20230404337A1 (en) 2023-12-21

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