WO2022102953A1 - Aspirateur - Google Patents

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Publication number
WO2022102953A1
WO2022102953A1 PCT/KR2021/012988 KR2021012988W WO2022102953A1 WO 2022102953 A1 WO2022102953 A1 WO 2022102953A1 KR 2021012988 W KR2021012988 W KR 2021012988W WO 2022102953 A1 WO2022102953 A1 WO 2022102953A1
Authority
WO
WIPO (PCT)
Prior art keywords
drum
slider
housing
guide holder
cover
Prior art date
Application number
PCT/KR2021/012988
Other languages
English (en)
Korean (ko)
Inventor
김경웅
강훈
권기환
김동준
Original Assignee
삼성전자주식회사
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 삼성전자주식회사 filed Critical 삼성전자주식회사
Publication of WO2022102953A1 publication Critical patent/WO2022102953A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0466—Rotating tools
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0427—Gearing or transmission means therefor

Definitions

  • the present invention relates to a vacuum cleaner having a suction head provided with a rotating drum brush, and more particularly to a vacuum cleaner having an improved suction head structure.
  • a vacuum cleaner has a suction force generating device that generates a suction force, a suction head that sucks air and foreign substances on the cleaning surface through the suction power of the suction power generating device, and a foreign material collection room that separates and collects foreign substances from the air sucked through the suction head It is a home appliance that is provided with a cleaning device.
  • the suction head may include a housing having a suction port, and a drum brush that sweeps the cleaning surface to induce foreign substances on the cleaning surface to be efficiently sucked into the suction port.
  • the drum brush may be provided to be rotatably connected to the driving unit.
  • One aspect of the present invention can provide a vacuum cleaner that can be easily repaired, replaced or cleaned by easily exposing the bearing disposed between the drum and the drum cover to the outside.
  • Another aspect of the present invention may provide a vacuum cleaner capable of preventing the drum and the drum cover from being completely separated from each other in the process of exposing the bearing to the outside, and preventing the loss of parts or damage due to falling.
  • a vacuum cleaner according to the spirit of the present invention, the cleaner body; and a suction head connected to the main body of the cleaner to suck the foreign substances from the cleaning surface and guide them to the foreign substance collection chamber.
  • the suction head the housing having a suction port; a drum rotatably installed inside the housing so that the foreign material is sucked into the housing through the suction port; a drum cover detachably coupled to the housing to form one side of the housing and rotatably supporting the drum; and a connecting member that connects the drum and the drum cover, and is provided so that one end of the drum and the drum cover are spaced apart from each other within a predetermined distance in the direction of the rotation axis of the drum.
  • One end of the connecting member may be fixed to the drum, the other end of the connecting member may be rotatably coupled to the drum cover, and the connecting member may be provided to rotate together with the drum.
  • the connecting member includes a guide holder fixed to the drum and a slider rotatably coupled to the drum cover, wherein the slider is connected to the guide holder and rotates the drum within a predetermined distance with respect to the guide holder It may be slidable in an axial direction.
  • the guide holder may include a slider seating part formed in the body of the guide holder as a slider seating part to which the guide holder is inserted and connected to an open side.
  • the slider seating part may include a sliding groove cut in a direction of a rotation axis of the drum.
  • the slider may include a limiting protrusion inserted into the sliding groove and slidable along the sliding groove.
  • the limiting protrusion may be limited in movement at both ends of the sliding groove.
  • the slider seating portion may include a fixing groove, and the slider may include a fixing protrusion corresponding to the fixing groove.
  • the fixing protrusion may be inserted into the fixing groove to limit movement of the slider with respect to the guide holder.
  • the slider may include a bearing connection part protruding from a body of the slider in a direction of a rotation axis of the drum, and the bearing connection part may be rotatably coupled to a bearing fixed to the drum cover.
  • the bearing may be provided to be located inside the drum when the distance between the one end of the drum and the drum cover is minimum.
  • the separation distance between one end of the drum and the drum cover is maximum, it may be provided in a space between one end of the drum and the drum cover to be exposed to the outside.
  • a plurality of the sliding grooves may be provided along the circumference of the slider seating part, and a plurality of the limiting protrusions corresponding to the sliding grooves may be provided along the circumference of the slider.
  • a plurality of fixing grooves may be provided along the circumference of the slider seating part, and a plurality of fixing protrusions corresponding to the fixing grooves may be provided along the circumference of the slider.
  • the guide holder or the slider may be provided in a cylindrical shape to correspond to an inner circumferential surface of the drum.
  • an air conditioner according to the spirit of the present invention includes a cleaner body;
  • a suction head having a housing connected to the cleaner main body to suck foreign substances from a cleaning surface and guide it to a foreign material collection room, the drum module being detachably coupled to one side of the housing through a drum insertion hole formed on one side of the housing a suction head; wherein the drum module includes: a drum rotatably installed inside the housing so that the foreign material is sucked into the housing through the suction port; a drum cover detachably coupled to the housing to form one side of the housing and rotatably supporting the drum; and
  • a guide holder fixed to the drum and a slider rotatably fixed to the drum cover, wherein the guide holder and the slider are slidably connected to each other, so that one end of the drum and the drum cover are moved within a predetermined distance It may be provided to be spaced apart.
  • the guide holder may include a sliding groove cut in a direction of the drum rotation axis, and the slider may include a limiting protrusion inserted into the sliding groove and slidable along the sliding groove.
  • the limiting protrusion may be limited in movement at both ends of the sliding groove.
  • the slider may include a bearing connection part protruding from a body of the slider in a direction of a rotation axis of the drum, and the bearing connection part may be rotatably coupled to a bearing fixed to the drum cover.
  • the separation distance between one end of the drum and the drum cover is maximum, it may be provided in a space between one end of the drum and the drum cover to be exposed to the outside.
  • the drum and the drum cover are connected by a connecting member that is stretchable in length in the direction of the rotation axis of the drum, and the bearing disposed therebetween is easily exposed to the outside, so that the vacuum is easy to repair, replace or clean.
  • a vacuum cleaner can be provided.
  • the drum and the drum cover are not completely separated from each other in the process of exposing the bearing to the outside, and parts are lost or dropped. It is possible to provide a vacuum cleaner capable of preventing damage caused by the vacuum cleaner.
  • FIG. 1 is a view showing a vacuum cleaner according to an embodiment of the present invention.
  • FIG. 2 is a perspective view illustrating a suction head of a vacuum cleaner according to an embodiment of the present invention.
  • FIG 3 is an exploded view illustrating a suction head of a vacuum cleaner according to an embodiment of the present invention.
  • FIG. 4 is an exploded perspective view of a drum brush module of a vacuum cleaner viewed from one side according to an embodiment of the present invention.
  • FIG. 5 is an exploded perspective view of FIG. 4 viewed from another direction.
  • FIG. 6 is an enlarged view of the guide holder and the slider of FIG. 5 .
  • FIG. 7 is a cross-sectional view illustrating a fixing groove and a fixing protrusion of a suction head of a vacuum cleaner according to an embodiment of the present invention when the distance between one end of the drum and the drum cover is minimum.
  • FIG. 8 is a cross-sectional view illustrating a fixing groove and a fixing protrusion of a suction head of a vacuum cleaner according to an embodiment of the present invention when the separation distance between one end of the drum and the drum cover is maximum.
  • FIG. 9 is a cross-sectional view illustrating a sliding groove and a limiting protrusion of a suction head of a vacuum cleaner according to an embodiment of the present invention when the distance between one end of the drum and the drum cover is minimum.
  • FIG. 10 is a cross-sectional view illustrating a sliding groove and a limiting protrusion of a suction head of a vacuum cleaner according to an embodiment of the present invention when the distance between one end of the drum and the drum cover is maximum.
  • first may be referred to as a second component
  • second component may also be referred to as a first component.
  • the term “and/or” includes a combination of a plurality of related listed items or any of a plurality of related listed items.
  • FIG. 1 is a view showing a vacuum cleaner according to an embodiment of the present invention.
  • the vacuum cleaner 1 may include a cleaner body 10 , a suction head 100 , and an extension pipe 20 connecting the cleaner body 10 and the suction head 100 .
  • the cleaner body 10 includes a suction force generating device 30 that generates a suction force, a foreign material collection chamber 50 that separates and collects foreign substances from the sucked air, a handle 50 , and a power supply to the suction force generating device 30 . It may include a battery 60 that can supply.
  • the suction force generating device 30 may include a motor for converting electric force into mechanical rotational force, and a fan connected to the motor to rotate.
  • the foreign material collection chamber 50 may collect foreign materials through a cyclone method for separating foreign materials using centrifugal force or a dust bag method for separating foreign materials by passing air through a filter bag. Air from which foreign substances are removed through the foreign material collection chamber 50 may be discharged to the outside of the cleaner body 10 .
  • the extension pipe 20 may be formed of a pipe having a predetermined rigidity or a flexible hose.
  • the extension tube 20 may transmit the suction force generated through the suction force generating device 30 to the suction head 100 , and guide air and foreign substances sucked through the suction head 100 to the cleaner body 10 .
  • the suction head 100 may be in close contact with the cleaning surface to suck air and foreign substances from the cleaning surface.
  • the suction head 100 may be rotatably coupled to the extension tube 20 .
  • FIG. 2 is a perspective view illustrating a suction head of a vacuum cleaner according to an embodiment of the present invention.
  • 3 is an exploded view illustrating a suction head of a vacuum cleaner according to an embodiment of the present invention.
  • a coupling direction (B, see FIG. 4 ) along the rotation axis A of the drum 210 may be defined.
  • the motor bearing 140 , the motor 160 , and the drum module 200 to be described later may be coupled to the housing 110 in the coupling direction B .
  • the suction head 100 of the vacuum cleaner 1 includes a housing 110 having a suction port 101 formed therein, a connector 130 , a motor bearing 260 , a motor 160 , and a drum module ( 200) may be included.
  • the suction head 100 may include a suction connector 70 connecting the housing 110 and the extension pipe 20 .
  • the drum module 200 is disposed on one side of the rotating drum 210 and the drum 210 so that foreign substances are effectively sucked into the inside of the housing 102 through the suction port 101, and the drum cover connected to the drum 210 (250).
  • the coupling relationship between the drum 210 and the drum cover 250 will be described later in detail.
  • the drum module 200 may further include a brush 214 provided on the outer peripheral surface of the drum 210 so that foreign substances are effectively sucked into the interior of the housing 110 through the suction port 101 .
  • the housing 110 of the suction head 100 may include an upper housing 11 and a lower housing 112 .
  • the housing 110 may further include a side housing connecting both components between the upper housing 111 and the lower housing 112 .
  • the side housing is located at the other side of the drum cover 250 and the drum 210 connected to the drum 210 from one side of the drum 210, and includes a connector side housing 110c to which the connector 130 is fixed.
  • the drum cover 250 may be coupled to the left side of the housing 110 .
  • the present invention is not limited thereto, and the left and right arrangement states of the connector side housing 110c and the drum cover 250 may be provided in reverse.
  • the suction head 100 may further include a connector 120 .
  • the connector 120 may be fixed to the connector side housing 110c.
  • the connector 120 is coupled to the motor 160 , and may supply power to drive the motor 160 .
  • the electric wire (not shown) for supplying power is connected from the battery 60 and comes out in the order of the cleaner body 10, the extension tube 20, the suction connector 70, the lower housing 120, and the connector side housing 110c. It may extend to pass through and finally be electrically connected to the connector 130 .
  • the suction head 100 may further include a motor bearing 140 .
  • the motor bearing 140 may be provided to support the inner peripheral surface of the drum 210 of the drum module 200 .
  • the motor bearing 140 may include a sealing member for sealing the gap between the motor bearing 140 and the drum module 200 to prevent foreign substances from flowing into the connector 130 or the motor 160 .
  • the suction head 100 may further include a motor 160 coupled to the connector 130 coupled to the left side of the housing 110 .
  • the motor 160 may be provided to be detachable from the connector 130 .
  • the motor 160 may be electrically connected to the connector 130 .
  • the motor 160 may be electrically connected to the connector 210 to receive power from the battery 60 .
  • the motor bearing 140 is seated and supported on a portion of the outer periphery of the connector 130 , and between the connector 130 and the motor 160 . can be placed.
  • the motor bearing 140 may be provided to support the inner circumferential surface of the drum 210 as described above. In other words, one end of the drum 210 may be supported by the motor bearing 140 seated around the connector 130 of the connector 130 formed in the connector side housing 110c.
  • the motor 160 may be provided in a substantially bottle shape.
  • the motor case of the motor 160 provided to surround and protect the detailed components may be provided in an approximately bottle shape.
  • the bottle shape may mean a shape including a cylindrical body provided with a predetermined diameter, and a neck connected to the body and provided with a diameter smaller than the diameter of the body.
  • the motor case may position and protect each component of the motor 160 that generates or transmits a driving force to rotate the drum 210 of the drum module 200 therein.
  • the motor 160 may further include a coupler 170 coupled to the rotation shaft of the motor 160 and rotatable integrally.
  • the suction head 100 may further include a drum module 200 .
  • the drum module 200 may include a drum 210 having a cylindrical shape.
  • the drum 210 may be provided in a cylindrical shape in which an empty space is formed along a rotation axis. That is, the drum 210 may be provided in a hollow cylinder shape.
  • "Hollow” in “hollow cylinder” may mean an empty space formed along the rotation axis.
  • the motor 160 may be seated in an empty space formed along the rotation axis of the drum 210 , that is, in the hollow.
  • the drum module 200 may further include a drum cover 250 forming one side of the housing 110 .
  • the drum 210 may be rotatably coupled to the drum cover 250 in a state in which the drum module 200 is finally coupled to the housing 110 .
  • the drum cover 250 may be provided to be spaced apart from one side 210a of the drum 210 within a predetermined distance. This structure may be implemented by connecting members 220 and 240 connecting the drum cover 250 and the drum 210 . The connection members 220 and 240 will be described in detail later.
  • a coupler groove 213 provided in a shape corresponding to the coupler 170 may be provided inside the drum 210 .
  • the coupler groove 13 may be integrally formed inside the drum 210 . Alternatively, it may be provided in a manner that is fixed to the inner circumferential surface of the drum 210 after being provided as a separate configuration.
  • the coupler 170 and the coupler groove 213 may be engaged with each other so that the driving force of the motor 160 is transmitted to the drum 210 to be rotatable.
  • the drum module 200 accommodates the connector 130 , the motor bearing 140 , and the motor 160 in an empty space formed along the rotation axis of the drum 210 , and may be fixed to the housing 110 .
  • a schematic coupling sequence of the suction head 100 is as follows. First, the connector 130 may be provided in a coupled state to the left side of the housing 110 . Second, the motor bearing 140 may be coupled to the connector 130 by approaching it in the coupling direction (B). Third, the motor 160 approaches the coupling direction B to be physically or electrically connected to the connector 130 . Finally, the motor 160, the motor bearing 140, and the connector 130 are accommodated in the empty space formed along the rotation axis of the drum 210, and the drum module 200 approaches in the coupling direction (B) to the housing 110 ) can be finally combined.
  • drum module 200 will be described in detail.
  • FIG. 4 is an exploded perspective view of a drum brush module of a vacuum cleaner viewed from one side according to an embodiment of the present invention.
  • 5 is an exploded perspective view of FIG. 4 viewed from another direction.
  • 6 is an enlarged view of the guide holder and the slider of FIG. 5 .
  • 7 is a cross-sectional view illustrating a fixing groove and a fixing protrusion of a suction head of a vacuum cleaner according to an embodiment of the present invention when the distance between one end of the drum and the drum cover is minimum.
  • 8 is a cross-sectional view illustrating a fixing groove and a fixing protrusion of a suction head of a vacuum cleaner according to an embodiment of the present invention when the separation distance between one end of the drum and the drum cover is maximum.
  • FIG. 9 is a cross-sectional view illustrating a sliding groove and a limiting protrusion of a suction head of a vacuum cleaner according to an embodiment of the present invention when the distance between one end of the drum and the drum cover is minimum.
  • 10 is a cross-sectional view illustrating a sliding groove and a limiting protrusion of a suction head of a vacuum cleaner according to an embodiment of the present invention when the distance between one end of the drum and the drum cover is maximum.
  • the drum module 200 may include a drum 210 and a drum cover 250 .
  • the drum 210 may be rotatably installed inside the housing 110 .
  • One side of the drum 210 may face the drum cover 250 .
  • the other side of the drum 210 may face the connector side housing 110c. (See Fig. 3)
  • the drum cover 250 may form one side of the housing 110 .
  • the drum cover 250 may be detachably coupled to the housing 110 .
  • the drum cover 250 may support the drum 210 to be rotatable.
  • the drum module 200 may further include connecting members 220 and 240 .
  • the connecting members 220 and 240 may be provided to connect the drum cover 250 and the drum 210 .
  • the connection members 220 and 240 may be provided so that the drum cover 250 can be spaced apart from one end 210a of the drum 210 within a predetermined distance.
  • the drum cover 250 may be provided to be spaced apart from one end 210a of the drum 210 in the rotation axis direction B of the drum 210 .
  • connection members 220 and 240 may be fixed to the drum 210 .
  • the other ends of the connecting members 220 and 240 may be rotatably coupled to the drum cover 250 .
  • the connecting members 220 and 240 may be provided to rotate together with the drum 210 . A structure in which the connecting members 220 and 240 rotate together with the drum 210 will be described in detail later.
  • the connecting members 220 and 240 should be configured to connect the drum cover 250 and the drum 210 while allowing the drum cover 250 to be spaced apart from one end 210a of the drum 210 within a predetermined distance. Therefore, the connecting members 220 and 240 need to be provided in a structure in which the length in the rotation axis direction (B) of the drum 210 can be increased or contracted.
  • the connecting members 220 and 240 may include the guide holder 220 and the slider 240 that are slidably coupled to each other in the direction of the rotation axis of the drum 210 (B).
  • the guide holder 220 and the slider 240 may be provided in a substantially cylindrical shape to correspond to the inner circumferential surface of the drum 210 .
  • the present invention is not limited thereto, and may be provided in various forms that can be slidably coupled to each other in the direction B of the rotation axis of the drum 210 .
  • the guide holder 220 may be fixed to the drum 210 , and the slider 240 may be rotatably coupled to the drum cover 250 .
  • a bearing 260 may be fixed to the drum cover 250 , and the slider 240 may be rotatably coupled to the bearing. The specific structure of the slider 240, the bearing 260, and the drum cover 250 will be described later.
  • the drum 210 and the drum cover 250 also rotate the axis of the drum 210 (B). It may be provided to be slidable in the direction.
  • the guide holder 220 may be fixed to the drum 210 .
  • the guide holder 220 may be disposed on one side of the drum 210 facing the drum cover 250 .
  • the motor 160 may be seated in an empty space formed along the rotation axis of the drum 210 , that is, in the hollow.
  • the guide holder 220 may be seated in a hollow formed along the rotation axis of the drum 210 like the motor 160 .
  • a portion on which the guide holder 220 is seated may be referred to as a holder seating part 211 .
  • a holder fixing part 213 may be provided inside the drum 210 so that the guide holder 220 seated on the holder seating part 211 may be fixed to the drum 210 .
  • the holder fixing part 213 may extend from the inner circumferential surface of the drum 210 .
  • the guide holder 220 may be provided with a holder fixing part 224 provided to correspond to the holder fixing part 213 formed on the drum 210 . That is, the holder fixing parts 213 and 224 may include a holder fixing part 213 formed on the drum 210 side and a holder fixing part 224 formed on the guide holder 220 side.
  • the holder fixing part 213 formed on the drum 210 side and the holder fixing part 224 formed on the guide holder 220 side may be fixed to each other by the first fastening member 230 . 4 and 5 , the first fastening member 230 may be provided in the form of a screw.
  • the present invention is not limited thereto, and the first fastening member 230 includes various types of coupling the holder fixing part 213 formed on the drum 210 side and the holder fixing part 224 formed on the guide holder 220 side. It can be provided by means.
  • the guide holder 220 may further include a slider seating part 221 so that the slider 240 can be inserted into the body of the guide holder 220 .
  • the slider seat 221 may be formed inside the body of the guide holder 220 .
  • the shape of the slider seat 221 may be provided to correspond to the outer shape of the slider 240 so that the slider 240 can be inserted. Since the slider 240 may be provided in a cylindrical shape, the slider seating part 221 may be provided in a cylindrical shape corresponding thereto.
  • the diameter of the slider seat 221 may correspond to the outer circumference of the slider 240 .
  • the slider 240 may be inserted through one open side of the body 220a.
  • the slider 240 may be slidably coupled in the rotation axis direction B of the drum 210 while being inserted into the slide seating portion 221 of the guide holder 220 .
  • the slider 240 moves a predetermined distance in the process of sliding in the direction B of the rotation axis of the drum 210. It can be removed and completely separated from the guide holder 220 .
  • the guide holder 220 may further include a sliding groove 223
  • the slider 240 may include a limiting protrusion 243a.
  • the slider 240 may include a limiting protrusion 243a formed at a position corresponding to the sliding groove 223 .
  • the limiting protrusion 243a may be provided in a shape protruding from the slider 240 toward the guide holder 220 .
  • the sliding groove 223 is formed in the slider seating part 221 , and may be provided in a cut-out shape along the rotation axis direction B of the drum 210 .
  • the sliding groove 223 may be provided to have a predetermined length L2.
  • the limiting protrusion 243a may be inserted into the sliding groove 223 .
  • the limiting protrusion 243a may slide along the sliding groove 223 in the rotation axis direction B of the drum 210 .
  • movement of the limiting protrusion 243a may be restricted at both ends of the sliding groove 223 .
  • the guide holder 220 and the slider 240 slide in the direction of the rotation axis of the drum 210 only within a predetermined distance L2 (B) direction.
  • the guide holder 220 is fixed to the drum 210, and the slider 240 is rotatably coupled to the drum cover 250, so the drum 210 and the drum cover 250 are also drum only within a predetermined distance L3.
  • the rotation axis direction (B) of the 210 may be slid.
  • the structure in which the limiting protrusion 243a is inserted into the sliding groove 223 enables the slider 240 to slide in the rotation axis direction B of the drum 210 with respect to the guide holder 220 .
  • the slider 240 and the guide holder 220 rotate together without relative motion. Therefore, when the drum 210 rotates, the slider 240 and the guide holder 220 may also rotate together in the rotation direction of the drum 210 . That is, the connecting members 220 and 240 may be provided to rotate together with the drum 210 .
  • the guide holder 220 may further include a fixing groove 222 separately from the sliding groove 223 .
  • the slider 240 may further include a fixing protrusion 242a.
  • the slider 240 may include a fixing protrusion 242a formed at a position corresponding to the fixing groove 222 .
  • the fixing protrusion 242a may be provided in a shape to protrude from the slider 240 toward the guide holder 220 similarly to the limiting protrusion 243a.
  • the fixing protrusion 242a may be provided to be inserted into the fixing groove 222 when the separation distance between one end of the drum 210 and the drum cover 250 is minimum.
  • the fixing groove 222 is formed in the slider seating part 221 , and may be provided in a shape cut along the rotation axis direction B of the drum 210 .
  • the sliding groove 223 may be cut and formed to a shorter length L1 than a predetermined length L2 .
  • the cut length L1 of the fixing groove 222 may be formed to correspond to the size of the fixing protrusion 242a. That is, unlike the limiting protrusion 243a , when the fixing protrusion 242a is inserted into the fixing groove 222 , the sliding motion of the slider 240 with respect to the guide holder 220 may be limited.
  • a plurality of sliding grooves 223 formed in the slider seating part 221 of the guide holder 220 may be provided.
  • a plurality of fixing grooves 222 formed in the slider seating portion 221 of the guide holder 220 may be provided.
  • a plurality of sliding grooves 223 and fixing grooves 222 may be provided along the circumference of the slider seat 221 .
  • the sliding groove 223 and the fixing groove 222 may be formed to cross each other along the circumference of the slider seat 221 .
  • the sliding groove 223 and the fixing groove 222 may be alternately formed along the circumference of the slider seat 221 .
  • the sliding grooves 223 and the fixing grooves 222 are shown to be provided in two, respectively, but the number of the sliding grooves 223 and the fixing grooves 222 is not limited thereto, and each one is one. It may be provided, or three or more may be provided.
  • a plurality of limiting projections 243a of the slider 240 may be provided to correspond to the sliding grooves 223 formed in the slider seating portion 221 of the guide holder 220 .
  • a plurality of fixing protrusions 242a of the slider 240 may be provided to correspond to the fixing grooves 222 formed in the slider seating portion 221 of the guide holder 220 .
  • the limiting protrusion 243a and the fixing protrusion 242a may be formed to cross along the circumference of the slider 240 .
  • the limiting protrusion 243a and the fixing protrusion 242a may be alternately formed along the circumference of the slider 240 .
  • the limiting protrusion 243a and the fixing protrusion 242a are shown to be provided by two, respectively, but the limiting protrusion 243a and the fixing protrusion 242a are not limited thereto, and the number of each is not limited thereto. One may be provided, or three or more may be provided.
  • the limiting protrusion 243a and the fixing protrusion 242a have been described as protruding from the body 240a of the slider 240 toward the guide holder 220, respectively, but unlike the limiting protrusion 243a and the fixing protrusion 242a) Each may be formed at one end of the lever extending from the body 240a of the slider 240 in the direction of the rotation axis of the drum 210 (B).
  • the fixing protrusion 242a may be formed at one end of the fixing lever 242b extending from the body 240a of the slider 240 in the direction of the rotation axis B of the drum 210 .
  • the limiting protrusion 243a may be formed at one end of the guide lever 243b extending from the body 240a of the slider 240 in the direction of the rotation axis B of the drum 210 .
  • the length of the fixing lever 242b may be longer than the length of the guide lever 243b.
  • the slider 240 may further include a bearing connection part 244 protruding from the body 240a of the slider 240 in the rotation axis direction B of the drum 210 .
  • the bearing connection part 244 may be provided in a small cylindrical shape.
  • a bearing 260 may be fixed to the drum cover 250 .
  • the drum cover 250 may be provided with a bearing fixing part 251 for fixing the bearing 260 at a position corresponding to the rotation axis A of the drum 210 .
  • the bearing fixing part 251 may be provided to correspond to the shape of the bearing.
  • the bearing 260 may be fixed in close contact with the bearing fixing unit 251 .
  • the bearing connection part 244 of the slider 240 may be inserted into the bearing 260 so as to be in contact with the inner diameter of the bearing 260 .
  • the bearing connection part 244 of the slider 240 may be inserted into the bearing hole 263 formed in the center of the bearing 260 .
  • the bearing connection part 244 of the slider 240 may be rotatably coupled to the bearing 260 by the second fastening member 263 after being inserted into the bearing hole 263 .
  • the slider 240 may be finally rotatably coupled to the drum cover 250 .
  • a side cap 280 may be coupled to the side of the drum cover 250 .
  • the side cap 280 may be provided to correspond to the side shape of the drum cover 250 .
  • the side cap 280 may be provided to cover the side surface of the drum cover 250 so that the bearing 260 is fixed in close contact with the bearing fixing part 251 and the bearing 260 is not visible from the outside.
  • the fixing protrusion 242a of the slider 240 is the guide holder 220. It is possible to maintain a state inserted into the fixing groove 222 . In this state, the sliding movement of the slider 240 with respect to the guide holder 220 may be limited. Since the sliding motion is limited, a minimum separation distance can be maintained between the one end 210a of the drum 210 and the drum cover 250 .
  • the user may apply a force in a direction in which the drum 210 and the drum cover 250 move away from each other in the direction B of the rotation axis of the drum 210 .
  • the fixing protrusion 242a is separated from the fixing groove 222 of the guide holder 220 and may slide in contact with the inner surface 221a of the slider seating part 221 .
  • the limiting protrusion 243a may be caught in the sliding groove 223 at the point where the cutting of the sliding groove 223 ends.
  • the guide holder 220 is fixed to the drum 210, and the slider 240 is rotatably coupled to the drum cover 250, so the drum 210 and the drum cover 250 are also drum only within a predetermined distance L3.
  • the rotation axis of the 210 may be slid in the direction (B) direction.
  • the bearing 260 is formed between the drum 210 and the drum cover 250 through the cleaning space (X). can be exposed to the outside. The user can easily remove foreign substances entangled in the bearing 260 through the cleaning space (X).
  • the drum 210 and the drum cover 250 are connected with a connecting member whose length in the direction of the rotation axis of the drum can be stretched and the bearing 260 disposed therebetween is easily exposed to the outside and repaired. , replacement or cleaning can be facilitated.
  • the drum 210 and the drum cover 250 are completely separated from each other in the process of exposing the bearing 260 to the outside. It may not work, so it is possible to prevent loss of parts or damage due to falling.

Landscapes

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

Abstract

L'invention concerne une tête d'aspiration pour un aspirateur. L'aspirateur comprend : un corps d'aspirateur ; et une tête d'aspiration reliée au corps d'aspirateur de manière à aspirer les matières étrangères sur une surface à nettoyer et à guider les matières étrangères vers une chambre de collecte des matières étrangères, la tête d'aspiration comportant : un boîtier doté d'un orifice d'aspiration ; un tambour disposé de manière rotative dans le boîtier pour aspirer les matières étrangères dans le boîtier à travers l'orifice d'aspiration ; un couvercle de tambour accouplé de manière amovible au boîtier pour former une surface latérale du boîtier et supportant le tambour de manière rotative ; et un élément de liaison reliant le tambour et le couvercle de tambour l'un à l'autre et prévu pour permettre au couvercle de tambour d'être espacé d'une extrémité du tambour dans la direction de l'axe de rotation du tambour sur une distance prédéterminée.
PCT/KR2021/012988 2020-11-12 2021-09-23 Aspirateur WO2022102953A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020200150852A KR20220064602A (ko) 2020-11-12 2020-11-12 진공 청소기
KR10-2020-0150852 2020-11-12

Publications (1)

Publication Number Publication Date
WO2022102953A1 true WO2022102953A1 (fr) 2022-05-19

Family

ID=81602485

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2021/012988 WO2022102953A1 (fr) 2020-11-12 2021-09-23 Aspirateur

Country Status (2)

Country Link
KR (1) KR20220064602A (fr)
WO (1) WO2022102953A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050055143A (ko) * 2003-12-05 2005-06-13 엘지전자 주식회사 청소기의 흡입기구
KR20050069877A (ko) * 2003-12-30 2005-07-05 삼성광주전자 주식회사 드럼브러시 및 이를 구비한 진공청소기
KR20140114868A (ko) * 2012-01-10 2014-09-29 다이슨 테크놀러지 리미티드 진공 청소기용 청소기 헤드
KR20140123091A (ko) * 2012-02-08 2014-10-21 다이슨 테크놀러지 리미티드 진공 청소기용 청소기 헤드
US20180333028A1 (en) * 2017-05-18 2018-11-22 Dyson Technology Limited Cleaner head

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050055143A (ko) * 2003-12-05 2005-06-13 엘지전자 주식회사 청소기의 흡입기구
KR20050069877A (ko) * 2003-12-30 2005-07-05 삼성광주전자 주식회사 드럼브러시 및 이를 구비한 진공청소기
KR20140114868A (ko) * 2012-01-10 2014-09-29 다이슨 테크놀러지 리미티드 진공 청소기용 청소기 헤드
KR20140123091A (ko) * 2012-02-08 2014-10-21 다이슨 테크놀러지 리미티드 진공 청소기용 청소기 헤드
US20180333028A1 (en) * 2017-05-18 2018-11-22 Dyson Technology Limited Cleaner head

Also Published As

Publication number Publication date
KR20220064602A (ko) 2022-05-19

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