WO2021020812A1 - 에지테이터를 구비하는 청소용 유닛 - Google Patents
에지테이터를 구비하는 청소용 유닛 Download PDFInfo
- Publication number
- WO2021020812A1 WO2021020812A1 PCT/KR2020/009748 KR2020009748W WO2021020812A1 WO 2021020812 A1 WO2021020812 A1 WO 2021020812A1 KR 2020009748 W KR2020009748 W KR 2020009748W WO 2021020812 A1 WO2021020812 A1 WO 2021020812A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shaft
- brush
- cam
- end cap
- power module
- Prior art date
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
- A47L9/04—Nozzles with driven brushes or agitators
- A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
- A47L9/0466—Rotating tools
- A47L9/0477—Rolls
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B13/00—Brushes with driven brush bodies or carriers
- A46B13/001—Cylindrical or annular brush bodies
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B13/00—Brushes with driven brush bodies or carriers
- A46B13/001—Cylindrical or annular brush bodies
- A46B13/005—Cylindrical or annular brush bodies made up of a series of longitudinal strips or segments
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/08—Supports or guides for bristles
- A46B9/10—Adjustable supports
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
- A47L7/02—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids with driven tools for special purposes
-
- 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
- A47L9/0405—Driving means for the brushes or agitators
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
- A47L9/04—Nozzles with driven brushes or agitators
- A47L9/0427—Gearing or transmission 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
- A47L9/04—Nozzles with driven brushes or agitators
- A47L9/0494—Height adjustment of 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
- A47L9/02—Nozzles
- A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
- A47L9/066—Nozzles with fixed, e.g. adjustably fixed brushes or the like with adjustably mounted brushes, combs, lips or pads; Height adjustment of nozzle or 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
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
-
- 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
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2805—Parameters or conditions being sensed
-
- 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
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2836—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means characterised by the parts which are controlled
- A47L9/2847—Surface treating elements
-
- 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
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2836—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means characterised by the parts which are controlled
- A47L9/2852—Elements for displacement of the vacuum cleaner or the accessories therefor, e.g. wheels, casters or nozzles
-
- 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
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2894—Details related to signal transmission in 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
- A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
-
- 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
- A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
- A47L2201/04—Automatic control of the travelling movement; Automatic obstacle detection
Definitions
- the present invention relates to a cleaning unit, and more particularly, to a cleaning unit having an agitator capable of extending the length of a brush when a cleaner is running on a carpet.
- a vacuum cleaner is a device that performs a vacuum cleaning function in which dust and foreign substances are sucked together with air to separate and collect dust.
- the vacuum cleaner includes a suction nozzle module, and the suction nozzle module contacts a surface to be cleaned and sucks dust and foreign substances present on the surface together with air.
- vacuum cleaners are mainly operated in a floor environment.
- the suction nozzle module includes an agitator for lifting or lifting dust and foreign matter from the cleaning surface.
- the brush or rubber plate protrudes from the outer circumferential surface of the cylindrical body of the edge data, and as the edge data rotates, the brush or rubber plate rotates together to float or pick up dust and foreign substances from the floor. The dust and foreign matters raised or picked up are sucked through the suction nozzle module, separated and collected.
- a plurality of grooves having different heights are formed in the body of the edge data, and by separating and assembling the brushes into a plurality of grooves, step by step Disclosed is an edge data capable of varying the length of a brush.
- a cleaner having a structure capable of changing the length of the edge data brush or rubber plate by recognizing the change of the floor environment without the user's manipulation should be proposed.
- the present invention is to provide a cleaning unit capable of varying the length of a brush in response to changes in the floor environment.
- the present invention is to provide a cleaning unit having a structure capable of easily changing the length of the brush without touching the dust by hand in the process of changing the length of the brush.
- the present invention is to provide a cleaning unit having a structure capable of automatically varying the length of a brush in response to a floor environment.
- the present invention is to provide a cleaning unit having a structure in which the brush protrudes from the outer peripheral surface of the body portion and expands as the shaft inserted in the hollow of the body member of the edge data moves horizontally along the longitudinal direction of the body member.
- the present invention is to provide a cleaning unit having a structure capable of preventing the brush from being separated from the outer circumferential surface of the body member when the brush protrudes and expands from the outer circumferential surface of the body member by the horizontal movement of the shaft.
- the present invention is to provide a cleaning unit having a structure capable of preventing the brush from protruding and expanding due to centrifugal force when the body member of the edge data and the brush rotate together.
- the present invention is to provide a cleaning unit having a structure capable of returning the expanded brush when the brush protrudes from the outer circumferential surface of the body member and expands due to the horizontal movement of the shaft.
- the present invention is to provide a cleaning unit having a structure in which the body member of the edge data rotates together with the brush, and the body member and the shaft are engaged and rotated together.
- the present invention is to provide a cleaning unit having a structure capable of pressing one side of the shaft so that the shaft of the edge data moves horizontally when the edge data rotates.
- the present invention is to provide a cleaning unit having a structure that prevents rotation of the shaft pressing portion when pressing one side of the shaft so that the shaft moves horizontally.
- the present invention is to provide a cleaning unit having a structure capable of guiding both sides of the brush so that the brush does not shake when the brush protrudes and expands due to the horizontal motion of the shaft.
- the present invention adopts a structure in which the brush is protruded and expanded by the horizontal motion of the shaft, and the shaft and the brush are fitted together to assemble the brush, and the brush is protruded and expanded by the horizontal motion of the shaft and It is to provide a cleaning unit having a structure capable of simultaneously implementing a function of preventing protrusion.
- the present invention is to provide a cleaning unit having a structure capable of providing a stable restoring force in returning the expanded brush when the brush is protruded and expanded by the horizontal motion of the shaft.
- the present invention is to provide a cleaning unit having a structure capable of easily setting a balance between a centrifugal force generated in a brush as the edge data rotates and a restoring force to return the brush.
- the power module A body portion connected to the power module to rotate and having a first through hole formed on an outer peripheral surface thereof;
- a shaft inserted into the hollow in the body in the longitudinal direction of the body and reciprocating for a predetermined length in the longitudinal direction of the body in the body;
- a brush part contacting the outer peripheral surface of the body part along the longitudinal direction of the body part;
- a first cam extending from a surface contacting the outer circumferential surface of the body part of the brush part toward the outer circumferential surface of the shaft through the first through hole;
- a second cam extending from an outer circumferential surface of the shaft toward the first cam, wherein any one of the first cam and the second cam has an inclined surface inclined along the longitudinal direction on one side thereof, and the second cam
- the other one of the first cam and the second cam provides a cleaning unit formed to pressurize the inclined surface to lift the brush part in the radial direction of the shaft as the shaft reciprocates.
- the body portion a hollow body member having the first through hole, both ends of which are open; A first end cap inserted in a predetermined length from one end of the body member to the inside of the body member to cover the one end and accommodate one side of the shaft; And a second end cap inserted in a predetermined length from the other end of the body member to the inside of the body member to cover the other end and accommodate the other side of the shaft.
- a second through hole is formed on an outer circumferential surface of the body part, and the brush part extends from one side of the brush part to the inside of the body part through the second through hole, and as the brush part rises in the radial direction
- An elastic member for pressing the inner surface of the body portion may be formed.
- the elastic member may include a first elastic portion extending from one side of the brush portion to the inside of the body portion through the second through hole; And a second elastic portion bent from the first elastic portion and extending along a longitudinal direction of the shaft.
- a third through hole is formed on an outer circumferential surface of the body portion, and the brush portion extends from one side of the brush portion to the inside of the body portion through the third through hole, and in a radial direction of the body portion and the shaft. At least a portion of the overlapping separation prevention portion may be formed.
- the brush unit a brush; And a brush holder connected to the outer circumferential surface of the body member in the longitudinal direction of the shaft, one side having the first cam, and the other side being coupled to the brush.
- a receiving groove for receiving the brush holder is formed in the body member along a longitudinal direction of the shaft, the first end cap covers one end of the receiving groove, and the second end cap is the receiving groove Covering the other end of the first end cap and the first end cap and the second end cap cover one end of the receiving groove, respectively, radial guide grooves are formed, and facing the first end cap of the brush holder Radial guide protrusions are formed on a surface and a surface of the brush holder facing the second end cap, respectively, and the radial guide protrusions may be inserted into the radial guide grooves to be guided in the radial direction of the shaft.
- a cavity formed in the inner direction of the body member from one side of the first end cap is formed at one side of the first end cap, and an end portion in one side direction of the shaft is accommodated at the other side of the first end cap.
- a guide hole guiding into the cavity may be formed.
- an end portion of the shaft in one side direction and the guide hole may be formed in a polygonal column shape meshing with each other.
- one side is connected to the power module, the other side includes a power transmission unit inserted into the cavity, and the cavity and the other side of the power transmission unit may be formed in a polygonal column shape meshing with each other.
- a cavity formed in the inner direction of the body member from one side of the first end cap is formed on one side of the second end cap, and the other side of the shaft is formed on the other side of the first end cap.
- a guide hole may be formed to be accommodated to protrude and support it in the radial direction of the shaft.
- it may include a receiving space for accommodating the other lateral end of the shaft, and a shaft receiving portion having a bearing inserted between the outer circumferential surface of the other lateral end of the shaft and the inner circumferential surface of the receiving space.
- the power module a first power module for rotating the shaft; And a second power module connected to the shaft receiving unit and pressing the shaft receiving unit according to operation information, and a sensor unit connected to the first power module to detect a current value of the first power module.
- the operation information is calculated, the second power module is energized and connected to transmit the calculated operation information to the second power module, and the second power module is energized to be connected to the sensor unit and sensed from the sensor unit.
- a control unit configured to receive a current value of the power module, and the control unit may calculate the operation information by using the detected current value of the first power module.
- the operation information includes first operation information and second operation information
- the second power module is stopped by receiving the first operation information, and receiving the second operation information and the shaft receiving unit at a preset pressure.
- the control unit calculates first operation information, and when the detected current value of the first power module is greater than or equal to the first value, the control unit performs a second operation. Information can be computed.
- the operation information includes first operation information, second operation information, and third operation information
- the second power module is stopped by receiving the first operation information, and receiving the second operation information Pressing the shaft receiving portion with pressure, receiving third operation information and pressing the shaft receiving portion with a second pressure, the control unit, the first operation when the detected current value of the first power module is less than a first value It calculates information, calculates second operation information when the detected current value of the first power module is greater than or equal to the first value, and calculates third operation information when the detected current value of the first power module is greater than or equal to the second value.
- the second pressure may be greater than the first pressure
- the second value may be greater than the first value.
- the power module A body portion connected to the power module to rotate and having a through hole formed on an outer peripheral surface thereof; A shaft inserted into the hollow in the body in the longitudinal direction of the body and reciprocating for a predetermined length in the longitudinal direction of the body in the body; A brush part contacting the outer peripheral surface of the body part along the longitudinal direction of the body part; A first cam extending from a surface contacting the outer circumferential surface of the body part of the brush part toward the outer circumferential surface of the shaft through the through hole; And a second cam extending from an outer circumferential surface of the shaft toward the first cam, wherein any one of the first cam and the second cam includes a pair of walls having an end inclined along a longitudinal direction of the shaft part; And an inclined portion connecting between ends of the pair of wall portions to form an inner space, and the other one of the first cam and the second cam is slidably inserted into the inner space along one side of the inclined portion. Insertion part; And a pressing unit for pressing the other side
- the body portion a hollow body member having the through hole, both ends of which are open; A first end cap that is inserted in a predetermined length from one end of the body member to the inside of the body member to cover one end of the body member and accommodate one side of the shaft; And a second end cap inserted in a predetermined length from the other end of the body member to the inside of the body member to cover the other end of the body member and accommodate the other side of the shaft.
- one side of the shaft is formed with a rim portion protruding a predetermined length in the radial direction of the shaft from the outer circumference of the shaft, surrounds one side of the shaft, and both ends are fixedly coupled to the first end cap and the rim. It may contain springs.
- a cavity formed in the inner direction of the body member from one side of the first end cap is formed at one side of the first end cap, and an end portion in one side direction of the shaft is accommodated at the other side of the first end cap.
- a guide hole leading to the cavity is formed, the inner circumferential surface of the guide hole and the outer circumferential surface of one end of the shaft are engaged with each other, and the outer circumferential surface of one end of the shaft accommodated by the guide hole and one of the shaft
- a stepped surface may be formed between the lateral end and the outer circumferential surface of the connecting portion connected to it.
- the present invention adopts a cam structure that converts the longitudinal motion of the shaft into radial motion of the brush unit, so that the length of the brush unit can be varied according to the floor environment. Through this, even when the cleaner is separated from the surface, such as in a carpet environment, the length of the brush can be extended to stroke the surface. That is, it is possible to maintain the cleaning performance of the cleaner in various floor environments.
- the user can easily change the length of the brush without touching the dust. Through this, the user can clean various floor environments while maintaining cleanliness.
- the present invention is provided with a separation prevention unit that prevents the brush from being separated from the outer circumferential surface of the body when the brush protrudes and expands from the outer circumferential surface of the body by the horizontal movement of the shaft, so that when the brush is expanded, the brush is excessively expanded.
- a separation prevention unit that prevents the brush from being separated from the outer circumferential surface of the body when the brush protrudes and expands from the outer circumferential surface of the body by the horizontal movement of the shaft, so that when the brush is expanded, the brush is excessively expanded.
- the expanded brush portion can be returned to its original position by the elastic force of the elastic member.
- the inner peripheral surface of the guide hole is formed in a polygonal column shape
- the guide The outer peripheral surface of the shaft accommodated in the ball may be formed in a polygonal column shape.
- a guide groove is formed in the first end cap and the second end cap, and the guide protrusion of the brush portion is accommodated in the guide groove and guided, so that when the brush protrudes and expands due to the horizontal movement of the shaft, the brush is It can be rotated without shaking in the circumferential direction in the receiving groove.
- the present invention adopts a structure in which the brush is protruded and expanded by the horizontal movement of the shaft, and the shaft and the brush are fitted together to assemble the brush, and thus the brush is protruded and expanded by the horizontal movement of the shaft. It may have a function of preventing the brush from protruding.
- the present invention is a cleaning unit having a structure capable of providing a stable restoring force in returning the expanded brush by providing a spring for pressing the shaft in the longitudinal direction when the brush is protruded and expanded by the horizontal movement of the shaft. It is to provide.
- the brush unit can be expanded and operated in a carpet environment.
- the brush unit can be gradually expanded and operated in various carpet environments.
- FIG. 1 is a perspective view showing a conventional robot cleaner.
- FIG. 2 is a side view of the cleaner shown in FIG. 1.
- FIG. 3 is a perspective view showing an embodiment of the edge data (agitator) according to the present invention.
- FIG. 4 is an exploded view of the edge data shown in FIG. 3.
- FIG. 5 is a perspective view showing the body of the edge data shown in FIG. 4.
- FIG. 6A is a cross-sectional view of the edge data shown in FIG. 3 taken along the line I-I.
- FIG. 6B is a cross-sectional view showing an expanded state of the brush portion of the edge data shown in FIG. 6A.
- FIG. 7 is a cross-sectional perspective view of the edge data shown in FIG. 6A taken along area II.
- FIG. 8 is a perspective view showing another embodiment of the edge data (agitator) according to the present invention.
- FIG. 9 is an exploded view of the edge data shown in FIG. 8.
- FIG. 10A is a cross-sectional perspective view of the edge data shown in FIG. 8 taken along the line III-III.
- FIG. 10B is a cross-sectional view showing an extended state of the brush portion of the edge data shown in FIG. 10A.
- 11A is a cross-sectional perspective view of the edge data shown in FIG. 10A taken along a region IV.
- FIG. 11B is a cross-sectional perspective view showing an expanded state of the edge data shown in FIG. 11A.
- FIG. 12A is a cross-sectional perspective view showing a modified example of the edge data shown in FIG. 10A.
- FIG. 12B is a cross-sectional perspective view showing an expanded state of the edge data shown in FIG. 12A.
- FIG. 13 is a cross-sectional perspective view of the edge data shown in FIG. 10A taken along area V.
- FIG. 14 is a block diagram showing a configuration for controlling a cleaning unit according to the present invention.
- 15 is a flow chart showing the flow of a method for controlling a cleaning unit according to the present invention.
- step S20 of FIG. 15 is a flow chart illustrating an embodiment of step S20 of FIG. 15.
- step S20 of FIG. 15 is a flow chart illustrating another embodiment of step S20 of FIG. 15.
- FIG. 1 is a perspective view showing an example of a conventional cleaner
- FIG. 2 is a side view of the cleaner shown in FIG. 1.
- the robot cleaner 100 may be configured to perform not only a function of sucking dust from the floor, but also a function of mopping the floor. To this end, the robot cleaner 100 includes a cleaner body 110 and a suction nozzle module 120.
- the cleaner body 110 and the suction nozzle module 120 form the exterior of the robot cleaner 100.
- Various parts including a control unit (not shown) for controlling the robot cleaner 100 are built-in or mounted in the cleaner body 110.
- various parts for cleaning the area to be cleaned are mounted on the suction nozzle module 120.
- the exterior of the cleaner body 110 is formed by the outer cover 111 and the base body 112.
- the outer cover 111 and the base body 112 are coupled to each other to form the exterior of the cleaner body 110.
- the base body 112 forms a bottom portion of the cleaner body 110 and is formed to accommodate the components of the robot cleaner 100.
- the outer cover 111 is coupled on the base body 112.
- the cleaner body 110 is provided with wheels 160 and 160 ′ for driving the robot cleaner 100.
- the wheels 160 and 160 ′ may be provided on the cleaner body 110 or the lower portion of the suction nozzle module 120, respectively.
- the robot cleaner 100 may be moved back and forth, left and right, or rotated by the wheels 160 and 160 ′.
- the wheels 160 and 160 ′ may be configured with a wheel module 160 that is rotated by receiving a driving force from a driving motor.
- the wheels 160 and 160 ′ may be configured to have only a rolling function for a conventional floor.
- An auxiliary wheel 160 ′ may be additionally provided on the cleaner body 110.
- the auxiliary wheel 160 ′ supports the cleaner body 110 together with the wheel module 160 and may be configured to only allow manual rotation.
- the auxiliary wheel 160 ′ is configured to assist the driving of the robot cleaner 100 by the wheel module 160.
- the dust bin 170 is mounted at the rear of the cleaner body 110.
- the cleaner body 110 may have a partially recessed shape in order to maintain the circular appearance while accommodating the dust container 170.
- the dust bin 170 may be provided with at least one of a filter or a cyclone for filtering dust and foreign substances in the inhaled air.
- the robot cleaner 100 may include a dust bin cover 171 covering the dust bin 170.
- the dust bin cover 171 In a state in which the dust bin cover 171 is disposed to cover the upper surface of the dust bin 170, the dust bin cover 171 may restrain the dust bin. Accordingly, the dust bin cover 171 can prevent the dust bin 170 from being arbitrarily separated from the cleaner body 110.
- the dust bin cover 171 is hingedly coupled to the cleaner body 110 to be rotatable.
- the dust bin cover 171 may be fixed to the dust bin 170 or the cleaner body 110 to maintain a state covering the upper surface of the dust bin 170.
- a sensing unit 118 for sensing a surrounding situation may be provided in the cleaner body 110.
- a control unit including a main printed circuit board (not shown) or the like may detect an obstacle, detect a topographical object, or electronically generate a map of a driving area through the sensing unit 118.
- the suction nozzle module 120 is coupled in a protruding form to the front of the cleaner body 110.
- the exterior of the suction nozzle module 120 is formed by a module mounting housing 121, and an edge data mounting portion 121a is formed inside the module mounting housing 121.
- the edge data 200 is detachably mounted on the edge data mounting portion 121a.
- a bumper switch 122 for detecting a physical collision may be installed outside the suction nozzle module 120.
- the suction nozzle module 120 is provided with a bumper switch 122.
- the bumper switch 122 is disposed in front of the suction nozzle module 120, and in some cases, it may be disposed not only in the front but also in both sides as shown.
- the auxiliary wheel 160 ′ described above is the suction nozzle module 120 for stable driving of the robot cleaner 100. It can also be provided on the bottom of.
- the edge data 200 detachably mounted on the edge data mounting portion 121a is configured to clean the area to be cleaned. Dust and foreign substances in the air sucked through the edge data 200 are separated from the air by a filter or a cyclone provided in the main body of the cleaner or the dust bin, and collected in the dust bin 170. In addition, the air separated from dust and foreign matter is discharged to the outside of the cleaner body 110.
- An intake passage (not shown) for guiding the flow of air from the edge data mounting portion 121a to the dust bin 170 may be formed inside the cleaner body 110.
- an exhaust flow path (not shown) for guiding the flow of air from the dust bin 170 to the outside of the cleaner body 110 may be formed inside the cleaner body 110.
- the cleaners shown in Figs. 1 and 2 illustrate locations where the edge data 200 and 300 according to the present invention are installed, and briefly describe a conventional cleaner in which the edge data 200 and 300 are combined and operated.
- the edge data 200 and 300 according to the present invention may be employed not only for a robot cleaner that is automatically operated, but also for a cleaner that a user directly manipulates.
- FIG. 3 is a perspective view showing an embodiment of the edge data 200 according to the present invention.
- the edge data 200 of the present invention includes a body member 210, a shaft 220 (see FIG. 4), a brush part 230, a power transmission part 240, a first end cap 250 , A second end cap 260 and a shaft receiving portion 270 may be included.
- the “longitudinal direction” used hereinafter means the axial direction of the shaft 220 (refer to FIG. 4) to be described later. That is, the "length direction” refers to a direction from the first end cap 250 to the second end cap 260 and a direction from the second end cap 260 to the first end cap 250.
- the "radial direction" used hereinafter refers to an arbitrary outer circumferential surface of the body member 210 located on a plane perpendicular to the central axis at an arbitrary point of the central axis extending from the shaft 220 (see FIG. 4) to be described later. It means the direction toward the shortest distance to a point of.
- the "circumferential direction” used hereinafter refers to a direction of rotation when a virtual line perpendicular to the central axis of the shaft 220 (see FIG. 4) to be described later is rotated along the central axis.
- front side used hereinafter refers to the side facing the first end cap 250
- rear side refers to the side facing the second end cap 260
- the body member 210 has an outer circumferential surface and an inner circumferential surface, and may be formed in a hollow shape with both sides open.
- the shaft 220 (refer to FIG. 4) to be described later is inserted into the hollow of the body member 210 in the longitudinal direction, and the front and rear sides of the shaft 220 are the first end cap 250 and the second end cap 260. ) Can be accommodated respectively.
- the shaft 220 (refer to FIG. 4) is accommodated on both sides of the first end cap 250 and the second end cap 260 to reciprocate in the longitudinal direction. In this regard, it will be described in detail later.
- the first end cap 250 may accommodate the front side of the shaft 220 (see FIG. 4) and at the same time be fitted into the front end of the body member 210 to cover the front end of the body member 210.
- the second end cap 260 may accommodate the rear side of the shaft 220 (see FIG. 4) and at the same time be fitted into the rear end of the body member 210 to cover the rear end of the body member 210.
- the rear side of the shaft 220 passes through the second end cap 260 and is connected to the shaft receiving portion 270.
- the outer circumferential surface of the body member 210 is formed with a receiving groove 211 (refer to FIG. 4) for receiving the brush unit 230 by being recessed for a predetermined length in the radial direction along the longitudinal direction, and the receiving groove 211 (refer to FIG. 4)
- the brush part 230 may be inserted radially inward along the longitudinal direction.
- the inserted brush part 230 may protrude in a radial direction and expand. In this regard, it will be described in detail later.
- the brush unit 230 includes a brush holder 232 inserted into the receiving groove 211 (see FIG. 4) and a brush 231 coupled to the brush holder 232 along the longitudinal direction, and the brush holder 232 Guide protrusions 233 may protrude on both sides.
- the guide protrusion 233 is inserted into the first and second guide grooves 251a and 261a respectively formed in the first end plate 251 and the second end plate 261. Thereby, the brush unit 230 may be guided to elevate in the radial direction.
- the shaft 220 (see FIG. 4) is accommodated in the hollow in the body part in the longitudinal direction, It can reciprocate a predetermined length in the longitudinal direction within the body.
- the brush unit 230 may be in contact with the outer circumferential surface of the body in the longitudinal direction and rotate in the circumferential direction together with the body.
- edge data (agitator) according to the present invention shown in FIG. 3 is disassembled and described in detail for each configuration.
- FIG. 4 is an exploded view of the edge data shown in FIG. 3.
- the body member 210 has an outer circumferential surface and an inner circumferential surface, and is formed in a hollow shape with both ends open, and a receiving groove 211 formed by recessing a predetermined length inward from the outer circumferential surface in the radial direction along the longitudinal direction is formed. I can.
- the receiving grooves 211 are opposite to each other, and include both surfaces in contact with the brush holder 232 so that the brush holder 232 can be inserted in a sliding manner, and a bottom surface supporting a surface in the insertion direction of the brush holder, and a plurality of Through holes 213, 215, 217 (refer to FIG. 5) may be formed.
- the shaft 220 is accommodated in the longitudinal direction in the hollow of the body member 210, the brush unit 230 is inserted radially inward in the receiving groove 211 of the body member 210, and The first end cap 250 and the second end cap 260 may be inserted into each of the open ends.
- the shaft 220 is accommodated in the hollow of the body member 210 in the longitudinal direction, and both sides are accommodated in the first and second end caps 250 and 260, respectively, to reciprocate in the longitudinal direction.
- the shaft 220 includes a front end 221, a rear end 225, and a connection portion 224 connecting between the front end 221 and the rear end 225.
- a second cam 223 may be formed to protrude radially outward on an outer peripheral surface of the shaft 220.
- the second cam 223 may be formed in plural along the circumferential direction from the outer circumferential surface of the shaft 220.
- the second cam 223 protrudes toward the brush part 230 and may be formed as many as the number of brush parts 230 along the circumferential direction from the outer circumferential surface of the shaft 220.
- the second cam 223 may be formed in plural along the longitudinal direction of the shaft 220.
- the second cam 223 formed on the outer circumferential surface of the shaft 220 may contact the first cam 235 formed on the brush part 230.
- the front end 221 of the shaft may be received at the rear side of the first end cap 250, and the rear end 225 of the shaft may be received at the front side of the second end cap 260.
- the front end 221 of the shaft, the rear end 225 of the shaft, and the connecting portion 224 connecting both ends may be formed in different shapes.
- the front end 221 of the shaft may be formed in a polygonal column shape.
- the polygonal column type does not necessarily include a shape formed of a straight line, but a shape in which a straight line and a curve are combined, and may include all shapes other than a cylindrical shape.
- the front end 221 of the shaft may be formed such that a length of the front end 221 of the shaft is limited to be inserted into the first end cap 250.
- at least a part of the outer peripheral surface of the front end 221 of the shaft may be formed to have a radial step difference from the outer peripheral surface of the connection portion 224. That is, when the front end 221 of the shaft is inserted and received in the first end cap 250, the insertion length may be limited by a step difference between the front end 221 and the connection part 224 of the shaft. .
- the rear end 225 of the shaft may be formed in a cylindrical shape.
- the rear end 225 of the cylindrical shaft passes through the second end cap 260 and is received in the shaft receiving portion 270.
- a bearing 271 may be provided between the outer circumferential surface of the rear end 225 of the shaft and the shaft receiving portion 270 receiving the same.
- the rear end 225 of the shaft may be formed so that the length of the rear end 225 of the shaft penetrating through the second end cap 250 and inserted into the shaft receiving portion 270 is limited.
- at least a part of the outer peripheral surface of the rear end 225 of the shaft may be formed to have a radial step difference from the outer peripheral surface of the connection portion 224. That is, when the rear end 225 of the shaft is inserted and received in the second end cap 260, the insertion length may be limited by the step between the rear end 225 and the connection part 224 of the shaft. .
- the stepped surface between the rear end 225 and the connection part 224 of the shaft is the front side surface of the bearing 271
- the insertion length is limited by pressing.
- the connecting portion 224 of the shaft 220 may be formed in a cylindrical shape or a polygonal column shape.
- the polygonal column type is not necessarily formed of only straight lines, but a combination of straight lines and curves, and may include a shape other than a cylindrical shape.
- the brush part 230 is inserted into the receiving groove 211 formed by being depressed for a predetermined length radially inward from the outer peripheral surface of the body member 210 in the longitudinal direction, and as the shaft 220 reciprocates in the longitudinal direction, the radial direction You can move up and down.
- the brush unit 230 may include a brush 231 and a brush holder 232 that is coupled by receiving the brush 231.
- the brush 231 and the brush holder 232 may be formed to have substantially the same length in the longitudinal direction.
- the brush 231 may also rotate together.
- the brush is formed to have a predetermined radial length, and an outer end of the brush 231 in the radial direction may support or pick up dust or foreign matter located on the floor.
- the brush holder 232 may include a bottom surface that contacts the brush 231 and connects both walls facing each other and ends at the radially inner sides of both walls. That is, both walls of the brush holder 232 are inserted in contact with opposite walls of the receiving groove 211, and the bottom surface of the brush holder 232 may contact the bottom surface of the receiving groove 211.
- Guide protrusions 233 may be protruded on the front side and rear side of the bottom of the brush holder 232.
- the guide protrusion 233 includes a first guide groove 251a formed in the first end plate 251 of the first end cap 250 and a second end plate 261 formed in the second end cap 260. Each may be inserted into the guide groove (261a).
- the guide protrusion 233 may be guided in a radial direction by the first and second guide grooves 251a and 261a.
- the bottom surface of the brush holder 232 is in contact with the bottom surface of the receiving groove 211, and at a position corresponding to the plurality of through holes 213, 215, 217 formed in the bottom surface of the receiving groove 211, the elastic member 234, 1 cam 235, separation prevention portion 236 may be formed.
- the elastic member 234, the first cam 235, and the separation prevention part 236 may be formed to extend from the bottom surface of the brush holder 232 toward the outer peripheral surface of the shaft 220, respectively.
- the elastic member 234 In the state where the brush holder 232 is inserted into the receiving groove 211, the elastic member 234 has a predetermined length from the bottom of the brush holder 232 through the second through hole 213 (see FIG. 5) in the radial direction. After being extended, it may be bent and extended along the longitudinal direction.
- the edge data 200 rotates, the brush unit 230 is prevented from being expanded by centrifugal force generated, and when the brush unit 230 is expanded, a restoring force is formed to restore it. This will be described in detail later.
- the elastic member 234 may be formed in plural along the bottom surface of the brush holder 232. In an embodiment of the present invention, the elastic member 234 may be formed to be spaced apart from each other by the same length at the front side and the rear side of the brush holder 232.
- the first cam 235 may extend from the bottom surface of the brush holder 232 toward the outer peripheral surface of the shaft 220.
- the first cam 235 is predetermined radially inward from the bottom of the brush holder 232 through the first through hole 215 (refer to FIG. 5). After the length is extended, it may contact the second cam 223 of the shaft 220. When the shaft 220 moves in the longitudinal direction toward the first end cap 250, the first cam 235 is pressed by the second cam 223 formed on the shaft 220 to rise outward in the radial direction. I can. This will be described in detail later.
- a plurality of first cams 235 may be formed at positions corresponding to the second cams 223.
- the separation prevention part 236 may be formed to extend from the bottom surface of the brush holder 232 toward the outer peripheral surface of the shaft 220.
- the separation prevention part 236 is predetermined radially inward from the bottom of the brush holder 232 through the third through hole 217 (see FIG. 5). Length can be extended. Separation prevention part 236 may be formed such that, in a state where the brush holder 232 is inserted into the receiving groove 211, the body member 210 and at least a portion overlap in the radial direction.
- the power transmission unit 240 may include a motor connection part 241 and an edge data connection part 243 connected to the first power module 13a (refer to FIG. 14) at the front side.
- the motor connection part 241 is connected to the first power module 13a (see FIG. 14) and rotated by the first power module 13a (see FIG. 14), and as the motor connection part 241 rotates, the motor connection part 241
- the edge data connection portion 243 bonded to the rear side of) may be rotated.
- the edge data connector 243 is inserted into engagement with the inner circumferential surface of the first cavity 255 formed on the front side of the first end cap 250, so that the first end cap 250 is rotated and the edge data 200 is rotated. Can be.
- the motor connection part 241 of the power transmission part 240 may be formed in a polygonal column shape so as to rotate while being engaged with the first power module 13a (see FIG. 14) without idling.
- the edge data connection part 243 formed on the other side of the motor connection part 241 is formed in the shape of a polygonal column.
- the outer peripheral surface of the edge data connector 243 may be inserted into the first cavity 255 formed by being recessed from the front side to the rear side of the first end cap 250.
- the outer peripheral surface of the edge data connector 243 is inserted into engagement with at least a portion of the inner peripheral surface of the first cavity 255. Accordingly, the rotational force of the first power module 13a (see FIG. 14) may be transmitted to the first end cap 250. That is, the edge data connector 243 may be formed in a polygonal column shape that meshes with at least a portion of the inner circumferential surface of the first cavity 255.
- a coupling protrusion 245 may be formed on the outer peripheral surface of the edge data connection part 243.
- the coupling protrusion 245 is inserted into the first coupling groove 253a formed in the fitting portion 253 forming the first cavity 255 when the edge data connection portion 243 is inserted into the first cavity 255. I can.
- the edge data connector 243 may be coupled so as not to be separated from the first cavity 255, and the power transmission unit 240 and the first end cap 250 are coupled to each other.
- the first end cap 250 accommodates the front end 221 of the shaft and guides it to reciprocate a predetermined length in the longitudinal direction, covers one end of the body member 210, and covers one end of the receiving groove 211 Can cover up.
- the first end cap 250 is fitted in engagement with the inner circumferential surface of the body member 210 and extends radially outward from the front side of the first fitting portion 253 and the first fitting portion 253 covering one end of the body member It may include a first end plate 251 covering one end of the receiving groove 211.
- the first fitting portion 253 may be formed along the inner circumferential surface of the body member 210 and the outer wall and the outer wall to be fitted in the circumferential direction, and may be formed as a bottom surface covering one end of the body member 210.
- the outer wall and the bottom surface form a first cavity 255.
- a first guide hole 257 (refer to FIG. 6A) for receiving the front end 221 of the shaft and guiding it to the first cavity 255 of the first end cap 250 is provided at the bottom of the first fitting part 253. Is formed, and the longitudinal reciprocating movement of the shaft 220 is guided through the guide hole 257 (FIG. 6A).
- the first guide hole 257 (see FIG. 6A) is capable of being engaged with the outer circumferential surface of the front end 221 of the shaft so that the rotational force of the first end cap 250 can be transmitted to the front end 221 of the shaft. Can be formed. This will be described in detail later.
- the inner circumferential surface of the first cavity 255 may be formed to be engaged with a part of the outer circumferential surface of the edge data connector 243 of the power transmission unit 240.
- the outer wall of the first fitting portion 253 may be formed by extending a predetermined length in the rearward direction of the body member 210 from the bottom surface of the first fitting portion 253, and the brush portion 230 may rise in the radial direction.
- the end of the elastic member 234 of the brush holder 232 presses a portion extending in the rearward direction of the body member 210 of the first fitting part 253 to generate a restoring force of the brush part 230. I can. This will be described in detail later.
- a first guide groove 251a is formed in a portion where the first end plate contacts the open end of the receiving groove 211 to accommodate the guide protrusion 233 of the brush holder 232.
- the first guide groove 251a may be formed by recessing or penetrating a predetermined length from the rear side to the front side of the first end plate 251 along the radial direction, and the inner circumferential surface of the first guide groove 251a is a guide protrusion 233 ) Is formed to engage with a part of the outer circumferential surface of the brush holder 232 can be prevented from shaking in the circumferential direction.
- the second end cap 260 accommodates the rear side of the shaft 220 and guides the reciprocating motion for a predetermined length in the longitudinal direction, covers the other end of the body member 210, and closes the other end of the receiving groove 211. It can cover up.
- the second end cap 260 is fitted in engagement with the inner circumferential surface of the body member 210 to cover the rear end of the body member, from the rear side of the second fitting portion 263 and the second fitting portion 263 to the radially outward side. It may include a second end plate 261 extending and covering the rear end of the receiving groove 211.
- the second fitting portion 263 may be formed along the inner circumferential surface of the body member 210 and along the outer wall and the outer wall that are engaged and fitted along the circumferential direction, and may be formed as a bottom surface covering the other end of the body member 210.
- the second cavity 265 is formed by a predetermined length from the rear side to the front side of the second end cap 260 by the outer wall and the bottom surface.
- the second guide hole 267 (refer to FIG. 6A) is the rear side of the connecting portion 224 of the shaft 220 so that the rotational force of the second end cap 250 can be transmitted to the rear side of the connecting portion 224 of the shaft 220. It may be formed to be engaged with the outer peripheral surface of.
- the second cavity 265 accommodates the shaft receiving portion 270 in which the rear end 225 of the shaft is accommodated when the shaft 220 moves in the direction of the first end cap 250.
- the inner circumferential surface of the second cavity 265 may be formed so as not to contact the shaft receiving portion 270 accommodated in the second cavity 265 when the second end cap 260 rotates.
- a second guide groove 261a is formed at a portion where the second end plate contacts the other open end of the receiving groove 211 to accommodate the guide protrusion 233 of the brush holder 232.
- the second guide groove 261a may be formed to be depressed or penetrated by a predetermined length along the radial direction, and the inner circumferential surface of the second guide groove 261a is formed to be engaged with a part of the outer circumferential surface of the guide protrusion 233, so that the brush holder (232) can be prevented from shaking in the circumferential direction.
- the shaft receiving part 270 accommodates the rear end 225 of the shaft, and presses the rear end 225 of the received shaft in the front direction of the shaft 220 to move the shaft 220 in the longitudinal direction. I can.
- An accommodation space 273 for accommodating the rear end 225 of the shaft may be formed on the front side of the shaft receiving part 270.
- the accommodation space 273 may be formed in a cylindrical shape to accommodate the rear end 225 of the cylindrical shaft.
- a bearing 271 is inserted between the inner circumferential surface of the receiving space 273 and the outer circumferential surface of the rear end 225 of the shaft to radially support the rear end 225 of the rotating shaft. Through this, the shaft receiving portion 270 may be fixed without rotating together with the shaft 220.
- a protrusion protruding a predetermined length radially inward along the circumferential direction from the inner circumferential surface of the shaft receiving part 270 may be formed, and the protrusion may support the bearing or the rear end 225 of the shaft in the longitudinal direction.
- FIG. 5 is a perspective view showing a body member 210 according to an embodiment of the present invention.
- FIG. 5 a plurality of through holes 213, 215, 217 formed on the bottom of the receiving groove 211 of the body member 210 are shown by showing the body member 210 shown in FIG. 4 at different angles. do.
- a first through hole 215, a second through hole 213, and a third through hole 217 may be formed on the bottom surface of the receiving groove 211.
- the first, second and third through holes 215, 213, 217 are formed to penetrate from the outer circumferential surface of the body member 210 toward the inner circumferential surface, and a first cam 235 is inserted into the first through hole 215
- an elastic member 234 may be inserted into the second through hole 213, and a departure preventing portion 236 may be inserted into the third through hole 217.
- the first, second and third through holes 215, 213, 217 may be formed in plural along the length direction of the body member 210, and if formed in plural, the front side of the body member 210 and It is preferably formed at the same distance from the rear side.
- the body member 210 when the first through hole 215 into which the first cam 235 is inserted is formed in two, the body member 210 is formed to be spaced apart by the same distance from the front side and the rear side. I can.
- the first through hole 215 into which the first cam 235 is inserted is formed of three, one is located in the middle of the length in the longitudinal direction of the body member 210 , The remaining two may be formed to be spaced apart by the same distance from the front side and the rear side of the body member 210. That is, it may be formed to be symmetric with respect to the intermediate point of the length of the body member 210 in the longitudinal direction.
- the receiving groove 211 formed by receiving the brush part 230 and being depressed from the outer circumferential surface along the longitudinal direction of the body member 210 may be formed in plural along the circumferential direction of the body member 210, and the receiving groove ( The first, second, and third through holes 215, 213, and 217 formed on the bottom surface of 211) may also be formed in plural along the circumferential direction.
- FIG. 6A shows a state before the brush unit 230 of the edge data 200 is expanded
- FIG. 6B shows a state where the brush unit 230 of the edge data 200 is expanded.
- 6A is a cross-sectional view showing a cross section of the edge data 200 of FIG. 3 taken along the line I-I.
- the shaft 220 is accommodated in the hollow of the body member 210 along the longitudinal direction, and the first end cap accommodates the front end 221 of the shaft and covers one end of the body member 210, The second end cap may cover the other end of the body member 210 while receiving the rear end 225 of the shaft.
- the front end 221 of the shaft engages with the inner circumferential surface of the guide hole 257 formed in the first fitting portion 253 of the first end cap 250 so that at least a part of the outer circumferential surface is accommodated in the first guide hole 257. I can.
- the front end 221 of the shaft passes through the first guide hole 257 and is exposed to the first cavity 255 of the first end cap 250.
- At least a part of the outer peripheral surface of the rear side of the connecting portion 224 of the shaft 220 may be accommodated in the second guide hole 267 formed in the second fitting portion 263.
- the rear side of the connecting portion 224 of the shaft 220 passes through the second guide hole 267 and is exposed to the second cavity 265 of the second end cap 260.
- the rear end 225 of the shaft is accommodated in the receiving space 273 of the shaft receiving unit 270, and when the brush unit 230 is expanded, the shaft receiving unit 270 is the rear end 225 of the shaft. It may be accommodated in the second cavity 265 of the second end cap 260 together with the rear end 225 of the shaft by pressing.
- a pressing module connected to the shaft receiving unit 270 presses the shaft receiving unit 270, and the shaft receiving unit 270 presses the rear end 225 of the shaft.
- the shaft 220 is guided by the first guide hole 257 and the second guide hole 267 and can be moved along the length direction in the front side direction of the body member.
- the front end 221 of the shaft protrudes in the front direction of the body member 210 within the first cavity 255, and a stepped surface connecting the connection part 224 and the outer peripheral surface of the front end 221 is defined. 1
- the movement of the shaft 220 may be stopped by pressing the end cap 250.
- the front end 221 of the moved shaft is pressed in contact with the inner surface of the edge data connector 243 of the power transmission unit 240 inserted into the first cavity 255 Movement of the shaft 220 may be stopped.
- the movement of the shaft 220 may be stopped.
- a plurality of receiving grooves 211 formed along the longitudinal direction are formed along the circumferential direction, and the body member 210 is formed on the bottom surface of the receiving groove 211 from the outer circumferential surface of the shaft 220
- the first, second, and third through-holes 215, 213, and 217 may be formed to pass through.
- the brush holder 232 of the brush part 230 is inserted into the receiving groove 211, and corresponding to the first, second and third through holes 215, 213, 217 of the bottom surface of the brush holder 232
- the first cam 235, the elastic member 234, and the separation prevention part 236 may extend from the portion, respectively.
- the first cam 235 extends toward the outer circumferential surface of the shaft 220 through the first through hole 215 and extends from the outer circumferential surface of the shaft 220 toward the first cam 235 and I can touch it.
- each end surface of the first cam 235 and the second cam 223 may be formed to be inclined, and may be formed to engage with each other.
- the end in the direction in which the first cam 235 extends toward the second cam 223 is formed to be inclined at a first slope along the length direction, and the second cam 223 is directed toward the first cam 235.
- the ends in the extending direction are formed to be inclined with a second slope along the length direction, and the first and second slopes are formed to be substantially the same, so that the first cam 235 and the second cam 223 may be engaged with each other. .
- the elastic member 234 presses the body member 210, so that the first cam 235 presses the second cam 223, and the second cam ( By moving the inclined surface of 223 in the longitudinal direction to pressurize the inclined surface of the first cam 235, the force of the first cam 235 pressing the second cam 223 is canceled, and the second cam 235 is Radial motion is induced.
- the contact area between the first cam 235 and the second cam 223 When the contact area between the first cam 235 and the second cam 223 is small, a pressure formed in the contact area may be excessively formed. As the pressure formed on the contact area increases, the magnitude of the force applied per unit area increases, so that frictional force is formed, which may cause problems in durability. Therefore, it is preferable that the inclined surface of the first cam 235 and the inclined surface of the second cam 223 are in contact with a sufficient area to reduce frictional force.
- the inclined surface of the second cam 223 presses the first cam 235, not only the force to raise the first cam 235 in the radial direction but also the force to move it in the longitudinal direction acts, so that the first cam ( It is preferable that the second cam 223 cancels the force of moving the first cam 235 in the longitudinal direction by forming a contact surface between the 235 and the first through hole 215 so as to engage with each other.
- the length in the longitudinal direction of the first through hole 215 and the length in the longitudinal direction of the first cam 235 may be formed substantially the same.
- the elastic member 234 may extend toward the outer peripheral surface of the shaft 220 through the second through hole 213.
- the elastic member 234 may extend a predetermined length in the radial direction toward the outer circumferential surface of the shaft 220 and then be bent to extend along the longitudinal direction. That is, the elastic member 234 may include a radial extension and a longitudinal extension bent therefrom.
- the end of the longitudinal extension portion of the elastic member 234 is the inner peripheral surface of the body member 210 or the first fitting of the first end cap 250 It may be formed to be in contact with the portion 253.
- the end of the longitudinal extension part of the elastic member 234 is in contact with the inner circumferential surface of the body member 210 or the fitting part 253 of the first end cap 250, and the inner circumferential surface or the first fitting part ( 253) can be pressed radially outward. That is, the elastic member 234 may be formed to apply an elastic force toward the radially outward side when the lengthwise extension portion of the elastic member 234 is bent away from the brush holder 232 in the radial direction inward.
- the longitudinal extension of the elastic member 234 is formed to contact the inner circumferential surface of the body member 210 or the first fitting part 253 in a state spaced apart from the brush holder 232 by a predetermined length, and the body member ( An elastic force may be applied to the inner surface of 210) or the first fitting part 253 in the radial direction outward.
- the inner surface of the body member 210 or the first fitting portion 253 is fixed, and the reaction force applied by the inner surface of the body member 210 or the first fitting portion 253 at the end of the longitudinal extension of the elastic member This is applied, through which the brush unit 230 is pressed radially inward.
- the centrifugal force formed radially outward in the brush part 230 is canceled by the elastic member 234 with the force pressed in the radial direction inward, so that the edge Even when the shaft receiving portion 270 does not press the shaft 220 in the rotating state of the data 200, the brush portion 230 may be prevented from being expanded.
- the shaft accommodating portion 270 is pressed so that the shaft 220 moves in the front direction of the shaft 220 along the length direction, and the brush portion 230 is radially raised and expanded by the second cam 223
- the lengthwise extension portion of the elastic member 234 may be further spaced apart from the brush unit 230 by the extended length to generate a stronger elastic force.
- the brush part 230 may be returned to the inner side in the radial direction.
- the second through hole 213 into which the elastic member 234 is inserted may be formed so that the longitudinal extension portion of the elastic member 234 can be easily inserted. That is, the length in the longitudinal direction of the second through hole 213 may be formed substantially the same as the length in the longitudinal direction of the elastic member 234.
- the departure prevention part 236 may extend radially inward through the third through hole 217 toward the outer peripheral surface of the shaft 220.
- the length in the longitudinal direction of the departure prevention part 236 accommodated in the third through hole 217 is substantially the same as the length of the third through hole 217
- the third through hole 217 and the portion positioned inside the body member 210 may be formed to overlap at least a portion of the inner peripheral surface of the body member 210 in a radial direction.
- the separation prevention unit 236 is formed by a portion where the separation prevention unit 236 overlaps the inner circumferential surface of the body member 210 in the radial direction and the inner circumferential surface of the body member 210. By pressing, it is possible to prevent the brush unit 230 from being extended to the maximum length or being separated from the receiving groove 211.
- 6B is a cross-sectional view illustrating an extended state of the brush part 230 of the edge data 200.
- the shaft receiving portion 270 presses the rear end 225 of the shaft to move the shaft 220 in the front direction of the shaft 220 along the longitudinal direction, so that the brush portion 230 A cross section of the expanded state is shown.
- the brush 231 may reach the surface of the carpet, and may be sucked into the suction nozzle by lifting or lifting dust or foreign substances deposited on the surface of the carpet.
- the brush unit 230 can be raised to the outside in the radial direction.
- the front end 221 of the shaft is moved in the front direction of the shaft 220 along the longitudinal direction until it contacts the edge data connector 243 inserted in the first cavity 255.
- the front end 221 of the shaft is formed to have a short length in the longitudinal direction, and a stepped surface connecting the outer circumferential surface of the connecting portion 224 and the outer circumferential surface of the front end 221 of the shaft is the first end cap 250 It can be moved until pressing the other side.
- the brush part 230 rises in the radial direction, and the elastic member 234, the first cam 235, and the separation prevention part 236 of the brush holder 232 rise in the radial direction.
- the detachment preventing part 236 of the brush holder 232 is guided radially outward along the third through hole 217 and raised, and the part overlapping the body member 210 of the detachment preventing part 236 in the radial direction By pressing the inner surface of the body member 210, it is possible to prevent the brush unit 230 from being separated from the receiving groove 211.
- the first end plate 251 of the first end cap 250 covers one end of the receiving groove 211, and the second end plate 261 of the second end cap 260 covers the receiving groove 211. You can cover the other end.
- a first guide groove 251a is recessed or penetrated by a predetermined length along the radial direction on a surface contacting the front end of the receiving groove 211.
- the second guide groove 261a may be recessed or penetrated by a predetermined length along the radial direction on a surface of the second end plate 261 facing the rear side of the receiving groove 211.
- the first and second guide grooves 261a may be formed in the same number as the receiving grooves 211.
- Guide protrusions 233 protruding from both sides of the brush holder 232 are inserted into the first and second guide grooves 251a and 261a, and the guide protrusions 233 as the brush unit 230 rises in the radial direction. Is guided radially outward within the first and second guide grooves 261a, and as the brush unit 230 descends in the radial direction, the guide protrusion 233 is formed with the first and second guide grooves 251a and 261a. It can be guided radially inward within.
- the first and second guide grooves 251a and 261a face each other, extend in a circumferential direction, and may include opposing surfaces for guiding the guide protrusion 233 by contacting the outer peripheral surface of the guide protrusion 233.
- the brush part 230 When the brush part 230 extends in the radial direction, the area in which the brush holder 232 contacts the receiving groove 211 decreases, and accordingly, the brush holder 232 may swing in the circumferential direction.
- the outer circumferential surface of the guide protrusion 233 is inserted in contact between the opposed surfaces of the first and second guide grooves 251a and 261a, so that the guide protrusion 233 is circumferentially within the first and second guide grooves 251a and 261a. It may be formed to be fixed without moving in the direction, and when the brush unit 230 is extended, it is possible to prevent the brush holder 232 from shaking in the circumferential direction.
- the guide protrusion 233 and the first and second guide grooves 251a and 261a may guide the brush part 230 to expand in the radial direction without shaking in the circumferential direction.
- the elastic member 234 may include a radially extending portion formed radially inward through the second through hole 213 and a lengthwise extending portion bent therefrom and extending in the lengthwise direction.
- the elastic members 234 are formed on both sides of the bottom surface of the brush holder 232 so that the ends of the longitudinal extension portions of the elastic member 234 press the first fitting portion 253 and the second fitting portion 263, respectively. Can be formed.
- the longitudinal extension of the elastic member 234 is bent, and the end of the longitudinal extension is radially spaced apart from the brush holder 232.
- the end of the longitudinal extension presses the first end cap and the second end cap due to the property of the curved longitudinal extension to be restored.
- the end of the lengthwise extension part pulls the radially extension part radially inward, through which the brush part 230 is pulled radially inward.
- the inclined surface of the first cam 235 extending from the brush holder 232 presses the inclined surface of the second cam 223 with a stronger force compared to before the brush unit 230 is extended, so that the shaft receiving portion 270 When the force pressing the shaft 220 is extinguished, the shaft 220 may be restored to its original position.
- FIG. 7 is a cross-sectional perspective view of the edge data 200 of FIG. 6A taken along area II, and shows the coupling structure of the edge data 200 on the front side. Some configurations have been omitted for convenience of description.
- An inner cavity opened toward the first guide hole 257 of the first end cap 250 may be formed in the edge data connector 243 of the power transmission unit 240 inserted into the first cavity 255.
- the outer circumferential surface of the edge data connection part 243 is formed in a polygonal column shape, and may be engaged with the inner circumferential surface of the first cavity 255.
- the front end 221 of the shaft is introduced into the inner cavity formed in the edge data connector 243.
- the front end 221 of the shaft reciprocates in the longitudinal direction in the inner cavity of the edge data connector 243.
- the inner circumferential surface of the first guide hole 257 may be formed in a polygonal column shape, and the outer circumferential surface of the front end 221 of the shaft may be formed in a polygonal columnar shape corresponding thereto. As the inner circumferential surface of the first guide hole 257 and the outer circumferential surface of the front end 221 of the shaft are engaged, the shaft 220 may rotate together with the first end cap 250 without idling.
- a receiving groove 211 may be formed on the outer circumferential surface of the body member 210, and a second through hole 213 may be formed on the bottom surface of the receiving groove 211.
- the length of the second through hole 213 in the length direction may be shorter than the length of the lengthwise extension portion of the elastic member 234.
- At least a portion of the longitudinal extension portion of the elastic member 234 may be formed to overlap the first end cap 250 in the radial direction. Through this, when the brush holder 232 is raised, at least a part of the lengthwise extension portion of the elastic member 234 may press the first end cap 250.
- At least part of the elastic member 234 presses the inner circumferential surface of the body member 210 or the first end cap 250 to prevent the brush holder 232 from being expanded by centrifugal force, and the brush holder 232 is expanded It is possible to provide an elastic force for returning from the state to the original state.
- FIG. 8 is a perspective view of an edge data 300 according to another embodiment of the present invention.
- the edge data 300 of the present invention includes a body member 310, a shaft 320 (see FIG. 9), a brush part 330, a power transmission part 340, and a first end cap 350. , A second end cap 360, and a shaft receiving portion 370 may be included.
- the "longitudinal direction” used hereinafter means the axial direction of the shaft 320 (refer to FIG. 9) to be described later. That is, the "longitudinal direction” means a direction from the first end cap 350 to the second end cap 360 and a direction from the second end cap 360 to the first end cap 350.
- the "radial direction" used hereinafter refers to an arbitrary outer circumferential surface of the body member 310 located on a plane perpendicular to the central axis at an arbitrary point of the central axis extending from the shaft 320 (see FIG. 9) to be described later. It means the direction toward the shortest distance to a point of.
- the "circumferential direction” used hereinafter refers to a direction in which a circle is formed when an imaginary line perpendicular to the central axis of the shaft 320 (see FIG. 9) to be described later is rotated along the central axis.
- front side used hereinafter refers to a side facing the first end cap 350
- rear side refers to a side facing the second end cap 360.
- the body member 310 may have an outer circumferential surface and an inner circumferential surface, and may be formed in a hollow shape with both sides open.
- the shaft 320 (see FIG. 9) to be described later is inserted into the hollow of the body member 310 in the longitudinal direction, and the front and rear sides of the shaft 320 are the first end cap 350 and the second end cap 360 ) Can be accommodated respectively.
- the shaft 320 (refer to FIG. 9) is accommodated on both sides of the first end cap 350 and the second end cap 360 to reciprocate in the longitudinal direction. In this regard, it will be described in detail later.
- the first end cap 350 accommodates the front side of the shaft 320 (refer to FIG. 9) and is fitted to one end of the body member 310 to cover one end of the body member 310.
- the second end cap 360 may accommodate the rear side of the shaft 320 (refer to FIG. 9) and at the same time be fitted to the other end of the body member 310 to cover the other end of the body member 310.
- the rear side of the shaft 320 passes through the second end cap 360 and is connected to the shaft receiving portion 370.
- a receiving groove 311 for receiving the brush part 330 is formed by being depressed in a radial direction along the longitudinal direction, and receiving groove 311 (see FIG. 9)
- receiving groove 311 In the brush part 330 may be inserted radially inward along the longitudinal direction.
- the inserted brush part 330 may protrude in a radial direction and expand. In this regard, it will be described in detail later.
- the brush unit 330 may include a brush holder 332 inserted into the receiving groove 311 (see FIG. 9) and a brush 331 coupled to the brush holder 332 along the longitudinal direction.
- the shaft 320 (refer to FIG. 9) is accommodated in a hollow in the body part in the longitudinal direction, and the body part It can reciprocate a predetermined length in the longitudinal direction within.
- the brush part 330 may be in contact with the outer circumferential surface of the body part in the longitudinal direction and rotate in the circumferential direction together with the body part.
- FIG. 9 is an exploded view of the edge data 300 shown in FIG. 8.
- the edge data 300 according to another embodiment of the present invention performs the same function as the edge data 200 according to an embodiment of the present invention, and is an improved form by deforming the cam structure and the elastic member. The explanation is focused on the part.
- the body member 310 has an outer circumferential surface and an inner circumferential surface, and is formed in a hollow shape with both ends open, and a receiving groove 311 formed by recessing a predetermined length inward from the outer circumferential surface in the radial direction along the longitudinal direction is formed. I can.
- the receiving groove 311 is opposed to each other, and includes both surfaces in contact with the brush holder 332 so that the brush holder 332 can be inserted in a sliding manner, and a bottom surface supporting a surface in the insertion direction of the brush holder, and the bottom surface has a plurality of Through holes 315 and 317 (refer to FIG. 9) may be formed.
- the shaft 320 is accommodated in the longitudinal direction in the hollow of the body member 310, and the brush part 330 is inserted radially inward in the receiving groove 311 of the body member 310, The first end cap 350 and the second end cap 360 may be inserted into each of the open ends.
- the second cam 323 formed on the shaft 320 includes an insertion portion 323a and a pressing portion 323b, and is improved from the second cam 223 of the shaft 220 according to an embodiment of the present invention. Became. This will be described in detail later.
- the shaft 320 is accommodated in the hollow of the body member 310 in the longitudinal direction, and both sides are accommodated in the first and second end caps 350 and 360, respectively, to reciprocate in the longitudinal direction.
- the shaft 320 includes a front end 321, a rear end 325, and a connection portion 324 connecting between the front end 321 and the rear end 325.
- the second cam 323 may be formed to protrude radially outward from the outer peripheral surface of the connection part 324.
- the second cam 323 has an insertion portion 323a and a pressing portion 323b, and the insertion portion 323a and the pressing portion 323b extend radially outward from the connection portion 324 of the shaft 320 It is formed, the insertion portion 323a and the pressing portion 323b may form an inclined guide groove in the longitudinal direction therebetween.
- the insertion portion 323a and the pressing portion 323b are formed on the same line in the longitudinal direction, the insertion portion 323a is formed such that the rear side is inclined at a first slope along the length direction, and the pressing portion 323b is formed on the front side. It is formed to be inclined at a first slope along the longitudinal direction, and the pressing portion 323a may be formed to be spaced apart a predetermined distance from the insertion portion 323b in the rearward direction of the shaft 320.
- the second cam 323 may be formed in a plurality along the circumferential direction from the outer peripheral surface of the shaft 320.
- the second cam 323 protrudes toward the brush part 330 and may be formed as many as the number of brush parts 330 along the circumferential direction from the outer circumferential surface of the shaft 320.
- the second cam 323 may be formed in plural along the longitudinal direction of the shaft 320.
- the second cam 323 formed on the outer circumferential surface of the shaft 320 may contact the first cam 335 formed on the brush part 330.
- the front end 321 of the shaft may be received at the rear side of the first end cap 350, and the rear end 325 of the shaft may be received at the front side of the second end cap 360.
- the front end 321 of the shaft, the rear end 325 of the shaft, and the connecting portion 324 connecting both ends may be formed in different shapes.
- the front end 321 of the shaft may be formed in a polygonal column shape.
- the polygonal column type does not necessarily include a shape formed of a straight line, but a shape in which a straight line and a curve are combined, and may include all shapes other than a cylindrical shape.
- the front end portion 321 of the shaft may be formed such that the length at which the front end end 321 of the shaft is inserted into the first end cap 350 is limited.
- at least a portion of the outer peripheral surface of the front end 321 of the shaft may be formed to have a radial step difference from the outer peripheral surface of the connection portion 324. That is, when the front end 321 of the shaft is inserted into and received in the first end cap 350, the insertion length may be limited by the step difference between the front end 321 and the connection part 324 of the shaft. .
- the outer peripheral surface of the front side of the shaft 320 has a rim part 327 protruding from the outer peripheral surface in a radial direction along the circumferential direction for a predetermined distance. ) Can be formed.
- the front side surface of the rim 327 may be coupled to the rear side of the spring 390 surrounding the front end 321 of the shaft. This will be described in detail later.
- the rear end 325 of the shaft may be formed in a cylindrical shape.
- the rear end 325 of the cylindrical shaft passes through the second end cap 360 and is received in the shaft receiving portion 370.
- a bearing 371 may be provided between the outer circumferential surface of the rear end 325 of the shaft and the shaft receiving portion 370 receiving the same.
- the rear end 325 of the shaft may be formed such that the length of the rear end 325 of the shaft penetrating through the second end cap 350 and inserted into the shaft receiving portion 370 is limited.
- at least a portion of the outer peripheral surface of the rear end 325 of the shaft may be formed to have a radial step difference from the outer peripheral surface of the connection portion 324. That is, when the rear end 325 of the shaft is inserted and received in the second end cap 360, the insertion length may be limited by a step difference between the front end 321 and the connecting portion 324 of the shaft. .
- the stepped surface between the front end 321 and the connecting part 324 of the shaft makes the front side surface of the bearing 371
- the insertion length is limited by pressing.
- the connecting portion 324 of the shaft 320 may be formed in a cylindrical shape or a polygonal column shape.
- the polygonal column type is not necessarily formed of only a straight line, but a combination of a straight line and a curve, and may include a shape other than a cylindrical shape.
- the brush part 330 is inserted into the receiving groove 311 formed by being depressed for a predetermined length in the radial direction from the outer peripheral surface of the body member 310 in the longitudinal direction, and as the shaft 320 reciprocates in the longitudinal direction, the radial direction You can move up and down.
- the brush unit 330 may include a brush 231 and a brush holder 332 that is coupled by receiving the brush 231.
- the brush 231 and the brush holder 332 may be formed to have substantially the same length in the longitudinal direction.
- the brush 331 may also rotate together.
- the brush 331 is formed to have a predetermined radial length, and an outer end of the brush 331 in the radial direction may float or pick up dust or foreign matter located on the floor.
- the brush holder 332 may include a bottom surface that contacts the brush 331 and connects both walls facing each other and ends at the radially inner ends of both walls. That is, both walls of the brush holder 332 are inserted in contact with opposite walls of the receiving groove 311, and the bottom surface of the brush holder 332 may contact the bottom surface of the receiving groove 311.
- the guide protrusion may not be formed in the brush holder 332 according to another embodiment of the present invention. This is because it is possible to provide sufficient stability for the lifting movement of the brush holder 332 through the improved cam structure described later. This will be described in detail later.
- the bottom surface of the brush holder 332 is in contact with the bottom surface of the receiving groove 311, and prevents the first cam 335 and separation at a position corresponding to the plurality of through holes 315 and 317 formed in the bottom surface of the receiving groove 311 A portion 336 may be formed.
- the elastic member 234 is not formed in the brush holder 332 according to another embodiment of the present invention. This is because it is possible to prevent the brush unit 330 from protruding by centrifugal force through the improved cam structure described later. This will be described in detail later.
- the first cam 335 and the separation prevention part 336 may be formed to extend from the bottom surface of the brush holder 332 toward the outer peripheral surface of the shaft 320, respectively.
- the first cam 335 may extend from the bottom surface of the brush holder 332 toward the outer peripheral surface of the shaft 320.
- the first cam 335 is predetermined radially inward from the bottom of the brush holder 332 through the first through hole 315 (see FIG. 10A). After the length is extended, it may come into contact with the second cam 323 of the shaft 320. When the shaft 320 moves in the longitudinal direction toward the first end cap 350, the first cam 335 is pressed by the second cam 323 formed on the shaft 320 to rise outward in the radial direction. I can.
- the first cam 335 has a pair of wall portions having inclined ends along the longitudinal direction of the shaft 320.
- An inclined portion 335c for forming an inner space may be provided by connecting the ends of the 335a and 335b and the pair of wall portions 335a and 335b.
- the insertion portion 323a of the second cam 323 is inserted into the inner space formed in the first cam 335 and slides into the inner space along one side facing the inner space of the inclined portion 335b, The other side of the portion 333b may be supported by the inclined surface of the pressing portion 323b.
- the inclined portion 335c may be inserted into the inclined guide groove formed between the insertion portion 323a and the pressing portion 323b to be guided. This will be described in detail later.
- a plurality of first cams 335 may be formed at positions corresponding to the second cams 323.
- the separation prevention part 336 may be formed to extend from the bottom surface of the brush holder 332 toward the outer peripheral surface of the shaft 320.
- Departure prevention part 336 is determined radially inward from the bottom of the brush holder 332 through the second through hole 317 (see FIG. 10A). Length can be extended. Departure prevention part 336 may be formed such that, in a state where the brush holder 332 is inserted into the receiving groove 311, the body member 310 and at least a portion overlap in the radial direction.
- the power transmission unit 340 may include a motor connection part 241 and an edge data connection part 343 connected to the first power module 13a (refer to FIG. 14 ).
- the motor connection part 241 is connected to the first power module 13a (see FIG. 14) and rotated by the first power module 13a (see FIG. 14), and as the motor connection part 341 rotates, the motor connection part 341 ) And the edge data connection portion 343 bonded to it may be rotated.
- the edge data connector 343 is inserted into engagement with the inner circumferential surface of the first cavity 355 formed on the front side of the first end cap 350, so that the first end cap 350 is rotated, and the edge data 300 is rotated. Can be.
- the motor connection part 341 of the power transmission unit 340 may be formed in a polygonal column shape so as to rotate while being engaged with the first power module 13a (refer to FIG. 14) without idling.
- the edge data connection part 343 formed on the other side of the motor connection part 341 may be formed in a shape of a polygonal column, and may be formed in a form that is recessed from the rear side of the edge data connection part 343 toward the front side.
- the outer circumferential surface of the edge data connector 343 may be inserted into a first cavity formed by being recessed from the front side to the rear side of the first end cap 350.
- the outer circumferential surface of the edge data connector 343 is inserted into engagement with at least a portion of the inner circumferential surface of the first cavity 355, thereby transmitting the rotational force of the first power module 13a (see FIG. 14) to the first end cap 350 Can be. That is, the first cavity 355 may be formed in a polygonal column shape having a surface engaging at least a portion of the inner peripheral surface of the first cavity 355.
- a coupling protrusion 345 may be formed on the outer circumferential surface of the edge data connection part 343.
- the coupling protrusion 345 is inserted into the first coupling groove 343a formed in the fitting portion 353 forming the first cavity 355 when the edge data connection portion 343 is inserted into the first cavity 355. I can.
- the edge data connector 343 may be coupled so as not to be separated from the first cavity 355, and the power transmission unit 340 and the first end cap 350 are coupled to each other.
- the first end cap 350 accommodates the front end 321 of the shaft and guides it to reciprocate for a predetermined length in the longitudinal direction, covers one end of the body member 310, and covers one end of the receiving groove 311 Can cover up.
- the first end cap 350 is fitted in engagement with the inner circumferential surface of the body member 310 and extends radially outward from the front side of the first fitting portion 353 and the first fitting portion 353 covering one end of the body member It may include a first end plate 351 that covers one end of the receiving groove 311.
- the first fitting portion 353 may be formed along the inner circumferential surface of the body member 310 and along the outer wall and the outer wall that are engaged and fitted along the circumferential direction, and may be formed as a bottom surface covering one end of the body member 310.
- a first cavity 355 is formed on the outer wall and the bottom surface.
- a first guide hole 357 (refer to FIG. 10A) for receiving the front end 321 of the shaft and guiding it to the first cavity 355 of the first end cap 350 is provided on the bottom of the first fitting part 353. It is formed, and the longitudinal reciprocating motion of the shaft 320 is guided through the first guide hole 357 (FIG. 10A).
- the first guide hole 357 (refer to FIG. 10A) is to be engaged with the outer circumferential surface of the front end 321 of the shaft so that the rotational force of the first end cap 350 can be transmitted to the front end 321 of the shaft. Can be formed. This will be described in detail later.
- the inner circumferential surface of the first cavity 355 may be formed to be engaged with a part of the outer circumferential surface of the edge data connection unit 343 of the power transmission unit 340.
- first fitting portion 353 may have a shorter length in the longitudinal direction than the first fitting portion 253 according to the exemplary embodiment of the present invention.
- the first fitting part 253 requires a space in which the shaft front end 221 can be inserted and a portion in which the end of the longitudinal extension of the elastic member 234 can contact,
- the first cavity 255 has a length in the longitudinal direction, and has to be formed to protrude a predetermined length toward the rear side of the shaft 220 so that the end of the longitudinal extension portion of the elastic member 234 can be in contact.
- the edge data 300 since the edge data 300 according to another embodiment of the present invention does not separately include an elastic member, the length of the first fitting portion 353 may be formed relatively short. However, since the length inserted into the body member 310 is shortened, the coupling force between the first end cap 350 and one end of the body member 310 may be reduced.
- the first fitting portion 353 may include a first end cap coupling portion 359 extending from the rear side of the first fitting portion 353 to the rear side of the shaft 320.
- the end of the first end cap coupling portion 359 is detachably coupled with the end cap coupling hole 313 formed on the bottom surface of the receiving groove 311, so that the first end cap 350 is a part of the body member 310 It can prevent separation from the stage.
- the second end cap 360 accommodates the rear side of the shaft 320 and guides the reciprocating motion for a predetermined length in the longitudinal direction, covers the other end of the body member 310, and closes the other end of the receiving groove 311. It can cover up.
- the second end cap 360 is fitted in engagement with the inner circumferential surface of the body member 310 and extends radially outward to the rear side of the second fitting portion 263 and the second fitting portion 263 covering the other end of the body member. It may include a second end plate 361 covering the other end of the receiving groove 311.
- the second fitting portion 363 may be formed along the inner circumferential surface of the body member 310 and along the outer wall and the outer wall that are engaged and fitted along the circumferential direction, and may be formed as a bottom surface covering the other end of the body member 310.
- the outer wall and the bottom surface form a second cavity 365.
- the second guide hole 367 (refer to FIG. 10A) is the rear side of the connecting portion 324 of the shaft 320 so that the rotational force of the second end cap 350 can be transmitted to the rear side of the connecting portion 324 of the shaft 320. It may be formed to be engaged with the outer peripheral surface of.
- the second cavity 365 accommodates the shaft receiving portion 370 in which the rear end 325 of the shaft is accommodated when the shaft 320 moves in the direction of the first end cap 350.
- the inner circumferential surface of the second cavity 365 may be formed so as not to contact the shaft receiving portion 370 accommodated in the second cavity 365 when the second end cap 360 rotates.
- the shaft receiving portion 370 accommodates the rear end 325 of the shaft, and presses the rear end 325 of the received shaft in the front direction of the shaft 320 to move the shaft 320 in the longitudinal direction. I can.
- the shaft accommodating part 370 may include an accommodating space 373 accommodating the rear end 325 of the shaft at the front side.
- the accommodation space 373 may be formed in a cylindrical shape to accommodate the rear end 325 of the cylindrical shaft.
- a bearing 371 is inserted between the inner circumferential surface of the receiving space 373 and the outer circumferential surface of the rear end 325 of the shaft to radially support the rear end 325 of the rotating shaft. Through this, the shaft receiving portion 370 may be fixed without rotating together with the shaft 320.
- a protrusion protruding a predetermined length radially inward along the circumferential direction from the inner circumferential surface of the shaft receiving portion 370 may be formed, and the protrusion may support the bearing or rear end 325 of the shaft in the longitudinal direction.
- FIG. 10A shows a state before the brush portion 330 of the edge data 300 is expanded
- FIG. 10B shows a state where the brush portion 330 of the edge data 300 is expanded.
- 10A is a cross-sectional view of the edge data 300 of FIG. 8 taken along line III-III.
- FIG. 10A a state before the shaft 320 moves in the direction of the first end cap 350 along the length direction is shown.
- the shaft 320 is accommodated in the hollow of the body member 310 along the longitudinal direction, and the first end cap accommodates the front end 321 of the shaft and covers one end of the body member 310, The second end cap may cover the other end of the body member 310 while receiving the rear end 325 of the shaft.
- the front end portion 321 of the shaft engages with the inner circumferential surface of the guide hole 357 formed in the first fitting portion 353 of the first end cap 350 so that at least a portion of the outer circumferential surface is accommodated in the first guide hole 357. I can.
- the front end 321 of the shaft passes through the first guide hole 357 and is exposed to the first cavity 355 of the first end cap 350.
- connection part 324 At least a part of the outer peripheral surface of the rear side of the connection part 324 may be accommodated in the second guide hole 367 formed in the second fitting part 363.
- the rear side of the connection part 324 passes through the second guide hole 367 and is exposed to the second cavity 365 of the second end cap 360.
- the rear end 325 of the shaft is accommodated in the receiving space 373 of the shaft receiving unit 370, and when the brush unit 330 is extended, the shaft receiving unit 370 is the rear end 325 of the shaft It may be accommodated in the second cavity 365 of the second end cap 360 together with the rear end 325 of the shaft by pressing.
- a pressing module connected to the shaft receiving unit 370 presses the shaft receiving unit 370, and the shaft receiving unit 370 presses the rear end 325 of the shaft.
- the shaft 320 is guided by the first guide hole 357 and the second guide hole 367 and can be moved along the length direction in the front side direction of the body member.
- the front end 321 of the shaft protrudes in the front direction of the body member 310 within the first cavity 355, and the front end connection 324 of the shaft 320 and the front end 321 of the shaft
- a radial stepped surface connecting the outer circumferential surface of) presses the first end cap 350 so that the movement of the shaft 320 may be stopped.
- the movement of the shaft 320 may be stopped.
- a plurality of receiving grooves 311 formed along the longitudinal direction are formed along the circumferential direction, and the body member 310 is formed on the bottom surface of the receiving groove 311 from the outer circumferential surface of the shaft 320
- the first and second through-holes 215 and 217 may be formed through toward the.
- the brush holder 232 of the brush part 330 is inserted into the receiving groove 311, and the first and second through holes 215 and 217 of the bottom surface of the brush holder 232 are respectively
- the cam 335 and the separation prevention part 336 may be extended.
- the first cam 335 extends toward the outer circumferential surface of the shaft 320 through the first through hole 315 and extends from the outer circumferential surface of the shaft 320 toward the first cam 335. It can be guided by being inserted into the inclined guide groove.
- the first cam 335 connects the end portions of the pair of wall portions 335a and 335b and the pair of wall portions 335a and 335b having an inclined end along the longitudinal direction of the shaft 320 to provide an inner space. It may be provided with an inclined portion (335c) forming a.
- the second cam 323 includes an insertion portion 323a and a pressing portion 323b formed on the same line in the longitudinal direction, and the insertion portion 323a is formed such that the rear side is inclined at a predetermined slope along the length direction.
- the pressing part 323b is formed so that the front side is inclined at a predetermined inclination along the longitudinal direction, and the pressing part 323b may be formed to be spaced a predetermined distance from the insertion part 323a in the rearward direction of the shaft 320. . That is, an inclined guide groove inclined at a predetermined inclination may be formed between the insertion portion 323a and the pressing portion 323b.
- the inclined portion 335c of the first cam 335 is formed substantially the same as the inclination of the inclined guide groove, and the inclined portion 335c is inclined at the inclined rear side of the insertion portion 323a and the inclined portion of the pressing portion 323b. It can be inserted into the inclined guide groove between the front side and guided.
- the pressing portion 323b of the second cam 323 is the inclined portion of the first cam 335
- the first cam 335 may be pressed through the contact surface with the 335c.
- the first cam 335 may be raised in the radial direction by using a force that the pressing portion 323b of the second cam 323 presses the inclined portion 335c of the first cam 335 in the longitudinal direction.
- the insertion portion 323a of the second cam 323 is inclined to the wall portions 335a and 335b of the first cam 335 It can be fitted into the inner space formed by the portion (335c).
- the elastic member 234 provided in the brush part 230 has a function of returning the brush part 230 that has been pressed and expanded in addition to the function of preventing expansion by the centrifugal force of the brush part 230. Equipped.
- the function of returning the extended brush unit 330 must be implemented by a different configuration.
- a spring 390 may be provided on the front side of the shaft 320.
- a rim portion 327 protruding from the outer peripheral surface in a radial direction along the circumferential direction is formed, and the spring 390 surrounding the front end 321 of the shaft is formed on the front side. 1 It is combined with the end cap 350, and the rear side may be combined with the front side of the rim 327.
- the shaft 320 moves in the front side direction of the shaft 320 along the longitudinal direction, and the second cam of the shaft 320 (
- the pressing portion 323b of the brush portion 323 presses the inclined portion 335c of the first cam 335 of the brush portion 330, the brush portion 330 may rise and expand in the radial direction.
- the front side surface of the rim 327 presses the spring 390 to shorten the length of the spring 390, and the spring ( 390 applies an elastic force to the front side of the rim 327 in the rearward direction of the shaft 320.
- the inclined rear side of the insertion portion 323a of the second cam 323 inserted into the inner space of the first cam 335 is the first cam ( By pressing the inclined portion 323c of 335, the inclined portion 323c may be guided radially inward along the inclined guide groove of the second cam 323.
- the elastic force and The separated distance can be expressed as a geometric nonlinear function.
- the elastic member 234 is not only the longitudinal extension portion bent, but also the radial extension portion connected to the longitudinal extension portion is also bent, the end of the longitudinal extension portion is the body member 210 or the first end cap 250 Since the pressing position can also be variable, there can be a lot of variables to consider.
- the elastic member 234 is formed of a material having strong elasticity in order to prevent the brush part 230 from being expanded by the centrifugal force of the edge data 200, the shaft receiving part 270 to expand the brush part 230 ), there is a risk that the force exerted on the shaft 220 is unnecessarily increased, or plastic deformation of the elastic member 234 occurs.
- the brush unit 230 is expanded by the rotation of the edge data 200 or the force applied by the shaft receiving unit 270 to the shaft 220 Even if this disappears, a problem of maintaining the expanded state may occur even if the brush unit 230 is not returned.
- the spring 390 may express a length compressed in the longitudinal direction of the spring 390 and an elastic force generated accordingly as a linear function.
- the elastic modulus of the spring 390 is k
- the compressed length in the longitudinal direction of the spring 390 is x
- the elastic force generated by the spring 390 is f
- the spring 390 may provide an elastic force proportional to the compressed length in a direction opposite to the compressed direction.
- the tension between the centrifugal force acting on the brush holder 332 and the elastic force can be adjusted to efficiently set the force for pressing the shaft 320 by the shaft receiving portion 370.
- the edge data 300 when the edge data 300 is set to extend the brush part 330 at a predetermined rotation speed, the edge data 300 is formed on the brush part 330 of the edge data 300 at a predetermined rotation speed. You can specify the sum of centrifugal forces.
- the sum of the specified centrifugal force is applied to the inclined rear side of the insertion portion 323a of the shaft 320 through the inclined portion 335c of the brush portion 330, and applied radially outward from the inclined rear side.
- the centrifugal force is converted into a longitudinal force that presses the shaft 320 in the forward direction of the shaft 320.
- F1 is the longitudinal force that presses the shaft 320 toward the front side of the shaft 320 by centrifugal force at a predetermined rotational speed
- F1 and the elastic force f becomes 0, the two forces are canceled and the brush It may be set so that the part 330 does not protrude outward in the radial direction before a predetermined rotational speed.
- the spring 390 may be compressed and positioned between the first end cap 350 and the rim 327.
- the spring 390 is more than the force that the shaft 320 is pressed in the front direction of the shaft 320 by the centrifugal force formed in the brush part 330.
- a force for pressing the shaft 320 in the rearward direction of the shaft 320 is formed to be greater, so that the brush portion 330 may not be expanded.
- the force that the shaft 320 is pressed in the front direction of the shaft 320 by the centrifugal force formed in the brush part 330 and the spring 390 are applied to the shaft. Since the sum of the forces pressing 320 in the rearward direction of the shaft 320 becomes 0, resistance due to the spring 390 when the shaft receiving portion 370 presses the rear end 325 of the shaft Without it, the brush unit 330 can be easily expanded.
- the bottom surface of the brush holder 332 can be used more efficiently. That is, by forming more first cams 335, the force is distributed to reduce the load applied between the first cams 335 and the second cams 323, thereby improving durability. By forming more of the first cam 335 and the departure prevention part 336, the expansion operation of the brush part 330 can be operated more stably.
- the separation prevention part 336 may extend radially inward through the second through hole 317 toward the outer peripheral surface of the shaft 320.
- the operating principle of the departure prevention unit 336 according to another embodiment of the present invention is the same as that of the separation prevention unit 236 according to an embodiment of the present invention, and a detailed description thereof will be omitted.
- 10B is a cross-sectional view illustrating an extended state of the brush portion 330 of the edge data 300.
- the shaft receiving portion 370 presses the rear end 325 of the shaft to move the shaft 320 in the front direction of the shaft 320 along the longitudinal direction, so that the brush portion 330 A cross section of the expanded state is shown.
- the brush 331 may reach the surface of the carpet, and may be sucked into the suction nozzle by lifting or lifting dust or foreign matter deposited on the surface of the carpet.
- the brush unit 330 may be raised to the outside in the radial direction.
- the front end portion 321 of the shaft is moved in the front side direction of the shaft 320 along the longitudinal direction until it contacts the edge data connector 343 inserted in the first cavity 355.
- the front end 321 of the shaft is formed to have a short length in the longitudinal direction, and a stepped surface connecting the outer circumferential surface of the connecting portion 324 and the outer circumferential surface of the front end 321 of the shaft is formed of the first end cap 350. It can be moved until pressing the rear side.
- the brush part 330 rises in the radial direction, and the first cam 335 and the separation prevention part 336 of the brush holder 332 rise in the radial direction.
- the detachment prevention part 336 of the brush holder 332 is guided radially outward along the second through hole 317 to rise, and the part overlapping the body member 310 of the detachment prevention part 336 in the radial direction By pressing the inner surface of the body member 310, it is possible to prevent the brush unit 330 from being separated from the receiving groove 311.
- the brush part 330 when the brush part 330 is expanded to reduce the contact area between the brush holder 332 and the receiving groove 311, the pair of wall parts 335a and 335b of the first cam 335 ) By being in contact with the insertion portion 323a and being fixed without shaking in the circumferential direction, it is possible to prevent the brush holder 232 from shaking in the circumferential direction.
- the spring 390 is compressed, and the compressed spring 390 is the shaft 320 It is possible to press the front side of the rim portion 327 in the rear side direction of.
- the unit 330 may return to a state before being expanded from an expanded state.
- FIG. 11A is a cross-sectional perspective view of the edge data 300 shown in FIG. 10A taken along a region IV
- FIG. 11B is a cross-sectional view showing an expanded state of the brush portion 330 of the edge data 300 shown in FIG. 11A It is a perspective view.
- FIGS. 11A and 11B a mechanism by which the brush part 330 is expanded as the shaft 320 is pressed from the rear side of the shaft 320 is shown in detail through a cross-sectional perspective view. Some configurations have been omitted for convenience of explanation.
- the first cam 335 connects the end portions of the pair of wall portions 335a and 335b and the pair of wall portions 335a and 335b having an inclined end along the longitudinal direction of the shaft 320 to provide an inner space. It may be provided with an inclined portion (335c) forming a.
- the inner space of the first cam 335 is formed in a columnar shape having a trapezoidal cross section in which one of the four sides in a rectangle is inclined.
- the inner space of the first cam 335 may accommodate the insertion portion 323a of the second cam 335.
- the inclined portion of the insertion portion 323a is in contact so as to slide along the surface facing the inner space of the inclined portion 335c, and the insertion portion 323a is inserted to be fixed in the circumferential direction in the inner space of the first cam 335 .
- the insertion portion 323a inserted into the inner space of the first cam 335 is circumferential It can be shaken by, this can increase the friction force in the extension of the brush unit 330.
- the opposite surface of the surface facing the inner space of the inclined portion 335c may be in contact with the inclined portion of the pressing portion 323b so as to slide. Through this, the inclined portion 335c of the first cam 335 may be slidably moved between the inclined portion of the insertion portion 323a and the pressing portion 323b.
- first cam 335 can be fixed in the longitudinal direction and the circumferential direction by the first through hole 315, it can be substantially raised and lowered only in the radial direction.
- the inclined portion of the pressing portion 323b presses the inclined portion 335c, so that the inclined portion 335c is inclined between the insertion portion 323a and the inclined portion of the pressing portion 323b. It can be raised radially outward along the part.
- the inclined portions of the insertion portion 323a and the pressing portion 323b are formed to have substantially the same inclination, and the inclined guide groove formed between the inclined portions of the insertion portion 323a and the pressing portion 323b is a first cam (
- the inclined portion 335c of the 335 may be formed to be fixed in the radial direction. That is, the separation between the inclined portion 335c and the insertion portion 323a and the separation between the inclined portion 335c and the pressing portion 323b may be formed such that the inclined portion 335c is fixed in the radial direction.
- the inclined portion 335c of the first cam 335 receives a centrifugal force radially outward in the rotating state of the edge data 300, and the inclined portion 335c is an inclined portion of the insertion portion 323a accommodated in the inner space It can be in contact with.
- the inclined portion 335c and the inclined portion of the pressing portion 323b are large, when the shaft 320 is pressed, the inclined portion of the pressing portion 323b will hit the inclined portion 335c. I can.
- FIGS. 12A and 12B are cross-sectional views illustrating a modified example of the cam structure of the edge data 300 shown in FIGS. 10A and 10B.
- FIGS. 12A and 12B A modified example of FIGS. 12A and 12B is a structure in which the first cam 335 and the second cam 323 in the edge data 300 shown in FIGS. 10A and 10B are reversed, and the first cam 335 and the second cam Except for the cam 323, all other configurations are the same.
- Configurations corresponding to the remaining configurations except for the first cam 335 and the second cam 323 are illustrated to be different by reference numeral 100.
- the body member 310 illustrated in FIGS. 10A and 10B and the body member 410 illustrated in FIGS. 12A and 12B may perform the same function.
- a second cam 423 extending from an outer peripheral surface of the shaft 420 toward the brush unit 430 may be formed on the shaft 420.
- the second cam 423 connects between the end portions of the pair of wall portions 423a and 423b and the pair of wall portions 423a and 423b having inclined ends along the longitudinal direction of the shaft 420 to provide an inner space.
- An inclined portion 423c forming a may be provided.
- the inner space of the second cam 423 is formed in a columnar shape having a trapezoidal cross section in which one of the four sides in a rectangle is inclined.
- a first cam 435 extending from the brush holder 432 toward the second cam 423 may be formed in the brush holder 432 provided in the brush part 430.
- the first cam 435 has an insertion portion 435a and a pressing portion 435b, and the insertion portion 435a and the pressing portion 435b extend radially outward from the connection portion 424 of the shaft 420 It is formed, the insertion portion (435a) and the pressing portion (435b) may form an inclined guide groove in the longitudinal direction therebetween.
- the insertion portion 435a and the pressing portion 435b are formed on the same line in the longitudinal direction, the insertion portion 435a is formed so that the front side is inclined along the length direction, and the pressing portion 435b has the rear side in the longitudinal direction. It is formed to be inclined along the side, the pressing portion 435a may be formed to be spaced apart a predetermined distance in the front direction of the shaft 420 from the insertion portion 435b.
- the inner space of the second cam 423 may accommodate the insertion portion 435a of the first cam 435.
- the inclined portion of the insertion portion 435a is in contact so as to slide along the surface facing the inner space of the inclined portion 423c, and the insertion portion 435a is inserted to be fixed in the circumferential direction in the inner space of the second cam 435 .
- the inclined portion 423c of the second cam 423 is formed substantially the same as the inclination of the inclined guide groove, and the inclined portion 423c is an inclined front side of the insertion portion 435a and an inclined front side of the pressing portion 435b. It can be inserted and guided in the inclined guide groove between the rear side.
- the inclined portion 423c of the second cam 423 is a pressing portion of the first cam 435
- the first cam 435 may be pressed through the contact surface with the 435b.
- the first cam 435 may be raised in the radial direction by using the force that the inclined portion 423c of the second cam 423 presses the pressing portion 435b of the first cam 435 in the longitudinal direction.
- the inclined front side of the insertion part 435a is at the inclined part 423c in the inner space of the second cam 423.
- the spring 490 and the separation prevention part 436 operate in the same manner as in the edge data 300 shown in FIGS. 10A and 10B, and are replaced therewith.
- the deformed body member 410, the brush holder 432, and the shaft 420 may operate in combination with the remaining components of the edge data 300 shown in another embodiment according to the present invention.
- FIG. 13 is a cross-sectional perspective view of the edge data shown in FIG. 10A taken along area V.
- An inner cavity opened toward the first guide hole 357 of the first end cap 360 may be formed in the edge data connector 343 of the power transmission unit 340 inserted into the first cavity 355.
- the outer circumferential surface of the edge data connector 343 may be formed in a polygonal column shape to be engaged with the inner circumferential surface of the first cavity 355.
- the front end 321 of the shaft is introduced into the inner cavity formed in the edge data connection part 343.
- the front end 321 of the shaft reciprocates in the longitudinal direction in the inner cavity of the edge data connector 343.
- the inner circumferential surface of the first guide hole 357 may be formed in a polygonal column shape, and the outer circumferential surface of the front end 321 of the shaft may be formed in a polygonal columnar shape corresponding thereto. As the inner circumferential surface of the first guide hole 357 and the outer circumferential surface of the front end 321 of the shaft are engaged, the shaft 320 may rotate together with the first end cap 350 without idling.
- a rim part 327 is formed on an outer circumferential surface of the connection part 324 connected to the front end 321 of the shaft by a predetermined distance from the front end 321 of the shaft.
- the rim portion 327 is formed by extending radially along the circumferential direction from the outer peripheral surface of the connection portion 324.
- a spring 390 surrounding the shaft 320 is inserted between the rim 327 and the first end cap 350, and the spring 390 has a front side to the first end cap 350 and a rear side to the rim ( 327).
- FIG. 14 is a block diagram showing a configuration for controlling a cleaning unit according to the present invention.
- a cleaning unit including a configuration for controlling edge data in the present invention includes a casing unit 10, a sensor unit 20, a control unit 30, and a database unit 40.
- the casing portion 10 forms the casing of the cleaning unit of the present invention.
- the casing unit 10 may be the cleaner body 110 shown in FIG. 1 to describe a conventional cleaner.
- a predetermined space is formed inside the casing portion 10.
- a sensor unit 20, a control unit 30, and a database unit 40 may be provided.
- the casing unit 10 includes a driving module 11 and a power module 13.
- the driving module 11 may be driven by the power module 13. That is, the driving force generated by the power module 13 may be transmitted to the driving module 11.
- the driving module 11 may include a rotation module 11a and a pressure module 11b, and the edge data 200 and 300 according to the present invention may be employed as the rotation module 11a. It may be, the shaft receiving portions 270 and 370 according to the present invention may be employed as the pressing module 11b.
- the power module 13 may be provided with a first power module 13a and a second power module 13b, and the first power module 13a is a module that produces rotational force, and is connected to the rotation module 11a.
- the rotation module 11a can be rotated, and the second power module 13b is a module that applies pressure in a specific direction, and is connected to the pressing module 11b to drive the pressing module 11b.
- a servo motor that generates rotational force may be employed as the first power module 13a, and a linear servomotor that applies pressure in a specific direction may be employed as the second power module 13b.
- a servo motor and a linear servo motor any known power device capable of applying a rotational force and pressure in a specific direction may be employed.
- the edge data 200 and 300 connected thereto may be rotated by the first power module 13a, and the shaft receiving portions 270 and 370 are pressed by the second power module 13b during rotation, and the shaft 220, As the 320 is moved in the forward direction, the brush units 230 and 330 may expand in the radial direction.
- the power module 13 may receive power from the outside.
- the power module 13 may be powered by a battery (not shown) provided in the cleaner body 110.
- the power module 13 may be electrically connected to the battery (not shown).
- the first power module 13a and the second power module 13b may be driven independently. That is, whether each of the first power module 13a and the second power module 13b rotates, the number of rotations, etc. may be independently controlled. To this end, the first power module 13a and the second power module 13b may be connected to the control unit 30 so as to be energized, respectively.
- the sensor unit 20 may detect a value of a current generated by the first power module 13a rotating the rotation module 11a. That is, the first power module 13a may detect the value of the current generated by rotating the edge data 200 and 300.
- the information sensed by the sensor unit 20 is transmitted to the control unit 30 so that the control unit 30 can generate control information suitable for a situation.
- the sensor unit 20 may be provided in an arbitrary form capable of sensing the current value of the first power module 13a.
- the sensor unit 20 may be electrically connected to a battery (not shown). Power required for the operation of the sensor unit 20 may be supplied from a battery (not shown).
- the sensor unit 20 includes a current value sensor module 21 capable of detecting a current value.
- the current value sensor module 21 may measure a current value by measuring an ammeter electrically connected to the circuit or a magnetic field of the circuit.
- the floor environment in which the vacuum cleaner is currently operating may be detected.
- the wheels of the cleaner When the cleaner is located in a carpet environment other than a hard floor environment, the wheels of the cleaner are buried for a predetermined length from the top of the carpet environment, and thus the first power module 13a is used to rotate the edge data 200 and 300. The current value is increased.
- Appropriate operation information may be generated by comparing the current value detected by the current value sensor module 21 by the control unit 30 with a preset current value that may determine that the cleaner is located in the carpet environment.
- the current value sensor module 21 may be configured to be connected to the first power module 13a in order to measure the current value of the first power module 13a.
- control unit 30 will be described.
- the control unit 30 receives a current value from the sensor unit 20 and calculates operation information for operating the second power module 13b.
- control unit 30 is electrically connected to the sensor unit 20 so as to receive a current value sensed by the sensor unit 20.
- the controller 30 may calculate operation information using the received sensing information. Also, the control unit 30 may control the second power module according to the calculated operation information. To this end, the control unit 30 is connected to the second power module 13b to be energized.
- control unit 30 is connected to the database unit 40 so as to be energized. Information sensed by the sensor unit 20 and information calculated by the control unit 30 may be stored in the database unit 40.
- the control unit 30 may be provided in any form capable of inputting, outputting, and calculating information.
- the control unit 30 may be provided in the form of a microprocessor, a central processing unit (CPU), a printed circuit board (PCB), or the like.
- the control unit 30 is located in a predetermined space formed inside the cleaner body 110.
- the control unit 30 may be sealed in the space so as not to be affected by external moisture or the like.
- the control unit 30 includes a sensing information receiving module 32, an operation information calculation module 33, and an operation control module 31.
- the operation information calculation module 33 calculates operation information for operating the second power module 13b.
- the operation information calculation module 33 may calculate operation information by using the current value of the first power module 13a received by the sensing information receiving module 32.
- the operation control module 31 is connected to the operation information calculation module 33 to be energized.
- the operation information may be implemented by the operation control module 31.
- the operation control module 31 corresponds to the calculated operation information. It is configured to control the second power module (13b).
- the operation information refers to information that the second power module 13b presses the shaft receiving portions 270 and 370, and the shaft receiving portions 270 and 370 are pressed by the second power module 13b.
- the edge data 200 and 300 may expand the brush portions 230 and 330 during rotation.
- the database unit 40 stores information related to the operation of the cleaner.
- the database unit 40 may be provided in any form capable of inputting, outputting, and storing information.
- the database unit 40 may be provided in the form of an SD card, micro SD card, USB memory or SSD.
- the database unit 40 is connected to the operation information calculation module 33 so as to be energized.
- the operation information calculated by the operation information calculation module 33 may be transferred to and stored in the database unit 40.
- the database unit 40 is electrically connected to the sensor unit 20 through the sensing information receiving module 32.
- the current value sensed by the sensor unit 20 may be transferred to and stored in the database unit 40.
- the database unit 40 includes a sensing information storage module 41 and an operation information storage module 42.
- the modules 41 and 42 may be electrically connected to each other.
- the operation information storage module 42 stores operation information calculated by the operation information calculation module 33.
- the operation information storage module 42 is electrically connected to the operation information calculation module 33.
- the sensing information storage module 41 may store sensing information according to specific operation information.
- the sensing information storage module 41 is connected to the operation information storage module 42 to be energized.
- the above-described sensing process of the sensor unit 20, information processing and calculation process of the control unit 30, and storage process in the database unit 40 may be performed in real time.
- 15 is a flow chart showing the flow of a method for controlling a cleaning unit according to the present invention.
- the sensor unit 20 senses the current value of the first power module 13a (S10).
- the first power module 13a is connected to the edge data 200 and 300 of the cleaner and rotates the edge data 200 and 300.
- the edge data 200 and 300 are connected to the suction nozzle module 120, and when the suction nozzle module 120 slides and moves in the floor environment, it is exposed to the floor environment and rotates.
- the suction nozzle module 120 is moved by a predetermined distance from the floor by the wheel module 160, and when moved in a hard floor environment, the edge data 200 and 300 provided in the suction nozzle module 120 are hard floors. It rotates away from the environment by a certain distance.
- the wheel module 160 When the vacuum cleaner is moved from the hard floor environment to the carpet environment, the wheel module 160 is buried a predetermined distance from the upper surface of the carpet, and the edge data 200 and 300 are located closer to the upper surface of the carpet than in the hard floor environment.
- the brushes (231, 331) of the edge data (200, 300) receive more resistance compared to the hard environment, and the first power module (13a) that rotates the edge data (200, 300) more current value Will flow.
- the current value flowing through the first power module 13a may be detected by the current value sensor module 21 provided in the sensor unit 20.
- the control unit 30 calculates operation information using the current value of the first power module 13a (S20).
- the current value of the first power module 13a measured by the current value sensor module 21 is received by the sensing information receiving module 32 of the control unit 30, and the operation information calculating module 33 receives the sensing information.
- the operation information is calculated using the current value received by the module 32.
- the second power module is controlled according to the calculated operation information (S30).
- the operation information calculated by the operation information calculation module 33 is transmitted to the operation control module 31, and the second power module 13b is operated according to the operation information by the operation control module 31.
- the operation information includes that the second power module 13b presses the shaft receiving portions 270 and 370 with a preset pressure, or that the second power module 13b is stopped.
- the operation information calculation module 33 will be described in detail with reference to FIGS. 16 and 17 with respect to the process of calculating the operation information.
- step S20 of FIG. 15 is a flow chart illustrating an embodiment of step S20 of FIG. 15.
- the current value of the first power module is input (S201).
- the current value of the first power module is transmitted to the sensing information receiving module 32 of the control unit 30, and the operation information calculating module 33 uses this to compare with a preset first value (S202).
- the operation information calculation module 33 calculates the first operation information (S203).
- the first value is a set value of the current flowing through the first power module 13a when the first power module 13a is driven in a carpet environment, and the operation information calculation module when the transmitted current value is less than the first value (33) determines that the vacuum cleaner is driven in a hard floor environment, not a carpet environment.
- the first operation information includes information that causes the first power module 13a to be stopped without being driven.
- the first operation information is transmitted to the operation control module 31, and the operation control module 31 controls the second power module 13b to not operate.
- the operation information calculation module 33 calculates the second operation information (S204).
- the first value is a set value of the current flowing through the first power module 13a when the first power module 13a is driven in a carpet environment, and when the transmitted current value is greater than the first value, the operation information calculation module Reference numeral 33 determines that the vacuum cleaner is driven in a carpet environment.
- the second operation information is that the first power module 13a presses the shaft receiving portions 270 and 370 with a preset pressure to expand the brush portions 230 and 330 of the rotating edge data 200 and 300. Include information.
- the second operation information is transmitted to the operation control module 31, and the operation control module 31 controls the second power module 13b to pressurize the pressing module 12b with a preset pressure.
- the brush portions 230 and 330 of the edge data 200 and 300 may be controlled to be gradually expanded.
- Carpets used in the home can be cleaned more efficiently by gradually adjusting the length of the extension of the mock materials, lengths, and shapes of the carpet, as well as the lengths of the edge data (200, 300) brushes (231, 331). have.
- step S20 of FIG. 15 a flowchart illustrating another embodiment of step S20 of FIG. 15 is shown.
- the current value of the first power module is input (S211).
- the current value of the first power module is transmitted to the sensing information receiving module 32 of the control unit 30, and the operation information calculating module 33 uses this to compare with a preset first value (S212).
- the operation information calculation module 33 calculates the first operation information (S213).
- a current value greater than or equal to the first value is a value obtained by setting a current value that can flow to the first power module 13a when the first power module 13a is driven in a carpet environment, and the transmitted current value is less than the first value.
- the operation information calculation module 33 determines that the cleaner is driven in a hard floor environment, not a carpet environment.
- the first operation information includes information that causes the first power module 13a to be stopped without being driven.
- the first operation information is transmitted to the operation control module 31, and the operation control module 31 controls the second power module 13b to not operate.
- the operation information calculation module 33 compares the transferred current value with a preset second value (S214).
- the second value is a value greater than the first value, and when the transferred current value is less than the second value, the operation information calculating module 33 calculates the second operation information (S215).
- the operation information calculation module 33 calculates the second operation information.
- the current value that is greater than or equal to the first value and less than the second value is a value obtained by setting a current value that can flow to the first power module 13a when the first power module 13a is driven in the first carpet environment, and the transmitted current value
- the operation information calculation module 33 determines that the cleaner is driven in the first carpet environment.
- the second operation information includes the brush portions 230 and 330 of the rotating edge data 200 and 300 by pressing the shaft accommodating portions 270 and 370 with the first pressure by the first power module 13a. Contains information to expand.
- the second operation information is transmitted to the operation control module 31, and the operation control module 31 controls the second power module 13b to press the pressurization module 12b with a preset first pressure.
- the operation information calculation module 33 calculates the third operation information.
- a current value greater than or equal to the second value is a value obtained by setting a current value that can flow to the first power module 13a when the first power module 13a is driven in the second carpet environment, and the delivered current value is the second value.
- the operation information calculation module 33 determines that the cleaner is driven in the second carpet environment.
- the third operation information includes the brush portions 230 and 330 of the rotating edge data 200 and 300 by pressing the shaft accommodating portions 270 and 370 with the second pressure by the first power module 13a. Contains information to expand.
- the third operation information is transmitted to the operation control module 31, and the operation control module 31 controls the second power module 13b to pressurize the pressing module 12b with a preset second pressure.
- the second pressure is a value greater than the first pressure, and when the pressing module 12b is pressed by the second pressure, the length of the extended brushes 231 and 331 is the pressing module 12b pressed by the first pressure. If it is longer than the length of the extended brushes (231, 331).
- the second carpet environment is an environment in which a stronger stroke of force is applied compared to the first carpet environment, and the length of the brushes 231 and 331 is extended longer by determining this by the magnitude of the current value.
- FIG. 17 a method in which the lengths of the brushes 231 and 331 are divided into two stages and replaced in stages is shown, but the brushes 231 and 331 can be controlled to be expanded by dividing into more stages.
- the current value is set by dividing the first value, the second value, and the third value
- the operation information calculation module 33 calculates first operation information for stopping the pressing module 11b, and when the detected current value is greater than or equal to the first value and less than the second value, Calculates second operation information to pressurize the pressurizing module 11b with the first pressure, and when the detected current value is greater than or equal to the second value and less than the third value, a third operation to pressurize the pressurizing module 11b with a second pressure.
- the information is calculated and the detected current value is greater than or equal to the third value, it may be configured to calculate fourth operation information for pressing the pressing module 11b with the third pressure.
- the second value is set to a value greater than the first value and less than the third value
- the second pressure is set to a pressure greater than the first pressure and less than the third pressure, so that the brushes 231 and 331 are divided into three steps and are stepwise. Can be extended to In a similar way, it can be expanded by dividing it into 4, 5 or more steps.
- a control signal input module through which a user can input a control signal may be provided in the cleaner, and the brush unit may be expanded according to a control signal input by the user.
- the operation information calculation module calculates first operation information that causes the second power module to stop, and when the user inputs the second signal, the operation information calculation module
- the second power module may be configured to calculate second operation information for pressing the pressure module at a preset pressure.
- the brush unit may be sequentially expanded as the user inputs the control signal.
- the control signal input module may be configured to allow a user to manually input, and may be configured to allow a user to input a control signal through a terminal or the like.
- the terminal may be provided with a smartphone or the like.
- the cleaner unit according to the present invention is applied to an automatically operated device, such as a robot cleaner, and can be automatically controlled to expand the brush unit according to the floor environment.
- an automatically operated device such as a robot cleaner
- the expansion of the brush portion of the cleaner unit having the edge data 200 and 300 according to the present invention is not limited to being performed by automatic control, and the shaft receiving portion 270 capable of pressing the shafts 220 and 320 370) and connected to the mechanical configuration.
- the brush units 230 and 330 may be mechanically extended by a user's button manipulation.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
Description
Claims (19)
- 동력모듈;상기 동력모듈과 연결되어 회전하고, 외주면에 제1 관통공이 형성되는 몸체부;상기 몸체부 내의 중공에 상기 몸체부의 길이방향으로 삽입되고, 상기 몸체부 내에서 상기 몸체부의 길이방향으로 소정길이 왕복 운동하는 샤프트;상기 몸체부의 외주면에 상기 몸체부의 길이방향을 따라 접하는 브러쉬부;상기 브러쉬부의 상기 몸체부의 외주면에 접하는 면으로부터 상기 제1 관통공을 통하여 상기 샤프트의 외주면을 향해 연장되는 제1 캠; 및상기 샤프트의 외주면으로부터 상기 제1 캠을 향해 연장되는 제 2캠을 포함하고,상기 제1 캠 및 제2 캠 중 어느 하나는 일 측에 상기 길이방향을 따라 경사진 경사면이 형성되며,상기 제1 캠 및 제2 캠 중 다른 하나는 상기 샤프트가 왕복 운동함에 따라, 상기 경사면을 가압하여 상기 브러쉬부를 상기 샤프트의 방사방향으로 승강시키도록 형성되는, 청소용 유닛.
- 제1항에 있어서,상기 몸체부는,상기 제1 관통공을 구비하고, 양단이 개방되는 중공형 몸체부재;상기 몸체부재의 일 단으로부터 상기 몸체부재의 내측으로 소정 길이 삽입되어 상기 일 단을 복개하고, 상기 샤프트의 일 측을 수용하는 제1 앤드캡; 및상기 몸체부재의 타 단으로부터 상기 몸체부재의 내측으로 소정 길이 삽입되어 상기 타 단을 복개하고, 상기 샤프트의 타 측을 수용하는 제2 앤드캡을 포함하는, 청소용 유닛.
- 제1항에 있어서,상기 몸체부의 외주면에 제2 관통공이 형성되고,상기 브러쉬부에는 상기 브러쉬부의 일 측으로부터 상기 제2 관통공을 통하여 상기 몸체부 내측으로 연장되고, 상기 브러쉬부가 방사??향으로 상승함에 따라 상기 몸체부의 내측면을 가압하는 탄성부재가 형성되는, 청소용 유닛.
- 제3항에 있어서,상기 탄성부재는,상기 브러쉬부의 일 측으로부터 상기 제2 관통공을 통하여 상기 몸체부의 내측으로 연장되는 제1 탄성부; 및상기 제1 탄성부로부터 구부러져 샤프트의 길이방향을 따라 연장되는 제2 탄성부를 구비하는, 청소용 유닛.
- 제1항에 있어서,상기 몸체부의 외주면에는 제3 관통구멍이 형성되고,상기 브러쉬부에는 상기 브러쉬부의 일 측으로부터 상기 제3 관통구멍을 통하여 상기 몸체부의 내측으로 연장되고, 상기 몸체부와 상기 샤프트의 방사방향으로 적어도 일부가 중첩되는 이탈방지부가 형성되는,청소용 유닛.
- 제2항에 있어서,상기 브러쉬부는,브러쉬; 및상기 몸체부재의 외주면에 상기 샤프트의 길이방향으로 접하고, 일 측은 상기 제1 캠을 구비하며, 타 측은 상기 브러쉬와 결합되는 브러쉬홀더를 구비하는, 청소용 유닛.
- 제6항에 있어서,상기 몸체부재에 상기 샤프트의 길이방향을 따라 상기 브러쉬홀더를 수용하는 수용홈이 형성되고,상기 제1 앤드캡은 상기 수용홈의 일 단을 복개하며,상기 제2 앤드캡은 상기 수용홈의 타 단을 복개하고,상기 제1 앤드캡 및 제2 앤드캡이 상기 수용홈의 일 단을 복개하는 면에는 각각 방사방향 가이드홈이 형성되고,상기 브러쉬홀더의 상기 제1 앤드캡과 대향하는 면 및 상기 브러쉬홀더의 상기 제2 앤드캡과 대향하는 면에는 방사방향 가이드돌부가 각각 형성되며,상기 방사방향 가이드돌부는 상기 방사방향 가이드홈에 삽입되어 상기 샤프트의 방사방향으로 가이드되는, 청소용 유닛.
- 제2항에 있어서,상기 제1 앤드캡의 일 측에는 상기 제1 앤드캡의 일 측으로부터 상기 몸체부재의 내측방향으로 함몰 형성된 공동이 형성되고, 상기 제1 앤드캡의 타 측에는 상기 샤프트의 일 측 방향 단부를 수용하여 상기 공동으로 유도하는 가이드공이 형성되는, 청소용 유닛.
- 제8항에 있어서,상기 샤프트의 일 측 방향 단부 및 상기 가이드공은 서로 맞물리는 다각기둥형으로 형성되는, 청소용 유닛.
- 제9항에 있어서,일 측이 상기 동력모듈과 연결되고, 타 측이 상기 공동에 삽입되는 동력전달부를 포함하고,상기 공동과 상기 동력전달부의 타 측은 서로 맞물리는 다각기둥형으로 형성되는, 청소용 유닛.
- 제2항에 있어서,상기 제2 앤드캡의 일 측에는 상기 제2 앤드캡의 일 측으로부터 상기 몸체부재의 내측방향으로 함몰 형성된 공동이 형성되고, 상기 제2 앤드캡의 타 측에는 상기 샤프트의 타 측을 상기 공동으로 돌출되도록 수용하여 상기 샤프트의 방사방향으로 지지하는 가이드공이 형성되는, 청소용 유닛.
- 제11항에 있어서,상기 샤프트의 타 측 방향 단부를 수용하는 수용공간 및 상기 샤프트의 타 측 방향 단부의 외주면과 상기 수용공간의 내주면 사이에 삽입되는 베어링을 구비하는 샤프트 수용부를 포함하는, 청소용 유닛.
- 제12항에 있어서,상기 동력모듈은,상기 샤프트를 회전시키는 제1 동력모듈; 및상기 샤프트 수용부와 연결되며, 작동 정보에 따라 상기 샤프트 수용부를 가압하는 제2 동력모듈을 포함하고,상기 제1 동력모듈과 연결되어 상기 제1 동력모듈의 전류 값을 감지하도록 구성되는 센서부; 및상기 작동 정보를 연산하고, 상기 제2 동력모듈과 통전 가능하게 연결되어 상기 제2 동력모듈에 연산된 상기 작동 정보를 전달하며, 상기 센서부와 통전 가능하게 연결되어 상기 센서부로부터 감지된 상기 제1 동력모듈의 전류 값을 전달받도록 구성되는 제어부를 포함하며,상기 제어부는,감지된 상기 제1 동력모듈의 전류 값을 이용하여 상기 작동 정보를 연산하는, 청소용 유닛.
- 제13항에 있어서,상기 작동 정보는 제1 작동 정보 및 제2 작동 정보를 포함하고,상기 제2 동력모듈은,제1 작동 정보를 전달받아 정지되고,제2 작동 정보를 전달받아 기 설정된 압력으로 상기 샤프트 수용부를 가압하며,상기 제어부는,감지된 상기 제1 동력모듈의 전류 값이 제1 값 미만인 경우 제1 작동 정보를 연산하고,감지된 상기 제1 동력모듈의 전류 값이 제1 값 이상인 경우 제2 작동 정보를 연산하는, 청소용 유닛.
- 제13항에 있어서,상기 작동 정보는 제1 작동 정보, 제2 작동 정보 및 제3 작동 정보를 포함하고,상기 제2 동력모듈은,제1 작동 정보를 전달받아 정지되고,제2 작동 정보를 전달받아 제1 압력으로 상기 샤프트 수용부를 가압하고,제3 작동 정보를 전달받아 제2 압력으로 상기 샤프트 수용부를 가압하며,상기 제어부는,감지된 상기 제1 동력모듈의 전류 값이 제1 값 미만인 경우 제1 작동 정보를 연산하고,감지된 상기 제1 동력모듈의 전류 값이 제1 값 이상인 경우 제2 작동 정보를 연산하며,감지된 상기 제1 동력모듈의 전류 값이 제2 값 이상인 경우 제3 작동 정보를 연산하고,상기 제2 압력은 상기 제1 압력보다 크고,상기 제2 값은 상기 제1 값보다 큰, 청소용 유닛.
- 동력모듈;상기 동력모듈와 연결되어 회전하고, 외주면에 관통공이 형성되는 몸체부;상기 몸체부 내의 중공에 상기 몸체부의 길이방향으로 삽입되고, 상기 몸체부 내에서 상기 몸체부의 길이방향으로 소정길이 왕복 운동하는 샤프트;상기 몸체부의 외주면에 상기 몸체부의 길이방향을 따라 접하는 브러쉬부;상기 브러쉬부의 상기 몸체부의 외주면에 접하는 면으로부터 상기 관통공을 통하여 상기 샤프트의 외주면을 향해 연장되는 제1 캠; 및상기 샤프트의 외주면으로부터 상기 제1 캠을 향해 연장되는 제2 캠을 포함하고,상기 제1 캠 및 제2 캠 중 어느 하나는,상기 샤프트의 길이방향을 따라 경사진 단부를 갖는 한 쌍의 벽 부; 및상기 한 쌍의 벽 부의 단부 사이를 연결하여 내측공간을 형성하는 경사부를 구비하며,상기 제1 캠 및 제2 캠 중 다른 하나는,상기 경사부의 일 측면을 따라 상기 내측공간으로 미끄러지듯 삽입되는 삽입부; 및상기 경사부의 타 측면과 접하여 상기 타 측면을 가압하는 가압부를 구비하고,상기 샤프트가 왕복 운동함에 따라, 상기 경사부를 가압하여 상기 브러쉬부를 상기 샤프트의 방사방향으로 승강시키도록 형성되는, 청소용 유닛.
- 제16항에 있어서,상기 몸체부는,상기 관통공을 구비하고, 양단이 개방되는 중공형 몸체부재;상기 몸체부재의 일 단으로부터 상기 몸체부재의 내측으로 소정 길이 삽입되어 상기 몸체부재의 일 단을 복개하고, 상기 샤프트의 일 측을 수용하는 제1 앤드캡; 및상기 몸체부재의 타 단으로부터 상기 몸체부재의 내측으로 소정 길이 삽입되어 상기 몸체부재의 타 단을 복개하고, 상기 샤프트의 타 측을 수용하는 제2 앤드캡을 포함하는, 청소용 유닛.
- 제17항에 있어서,상기 샤프트의 일 측에는 상기 샤프트의 외주로부터 상기 샤프트의 방사방향으로 소정길이 돌출된 림부가 형성되고,상기 샤프트의 일 측을 감싸고, 양 단이 상기 제1 앤드캡 및 상기 림부에 고정 결합되는 스프링을 포함하는, 청소용 유닛.
- 제18항에 있어서,상기 제1 앤드캡의 일 측에는 상기 제1 앤드캡의 일 측으로부터 상기 몸체부재의 내측방향으로 함몰 형성된 공동이 형성되고,상기 제1 앤드캡의 타 측에는 상기 샤프트의 일 측 방향 단부를 수용하여 상기 공동으로 유도하는 가이드공이 형성되며,상기 가이드공의 내주면과 상기 샤프트의 일 측 방향 단부의 외주면은 서로 맞물리고,상기 가이드공으로 수용되는 상기 샤프트의 일 측 방향 단부의 외주면과 상기 샤프트의 일 측 방향 단부와 연결되는 연결부의 외주면 사이에 단차면이 형성되는, 청소용 유닛.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/597,930 US20230180981A1 (en) | 2019-07-30 | 2020-07-24 | Cleaning unit comprising agitator |
EP20848409.7A EP4005449B1 (en) | 2019-07-30 | 2020-07-24 | Cleaning unit |
CN202080054601.4A CN114173624B (zh) | 2019-07-30 | 2020-07-24 | 包括搅动器的清洁单元 |
AU2020321555A AU2020321555B2 (en) | 2019-07-30 | 2020-07-24 | Cleaning unit comprising agitator |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020190092683A KR102676076B1 (ko) | 2019-07-30 | 2019-07-30 | 에지테이터를 구비하는 청소용 유닛 |
KR10-2019-0092683 | 2019-07-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2021020812A1 true WO2021020812A1 (ko) | 2021-02-04 |
Family
ID=74230758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2020/009748 WO2021020812A1 (ko) | 2019-07-30 | 2020-07-24 | 에지테이터를 구비하는 청소용 유닛 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20230180981A1 (ko) |
EP (1) | EP4005449B1 (ko) |
KR (1) | KR102676076B1 (ko) |
CN (1) | CN114173624B (ko) |
AU (1) | AU2020321555B2 (ko) |
WO (1) | WO2021020812A1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024139705A1 (zh) * | 2022-12-30 | 2024-07-04 | 北京石头世纪科技股份有限公司 | 自动清洁设备 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020000075A (ko) * | 2000-06-21 | 2002-01-04 | 구자홍 | 진공청소기용 흡입구체의 아지테이터 |
KR20140140854A (ko) * | 2013-05-30 | 2014-12-10 | 엘지전자 주식회사 | 진공 청소기 |
KR20180027037A (ko) * | 2016-09-05 | 2018-03-14 | 레이캅코리아 주식회사 | 회전 펀치 브러쉬 모듈 |
KR101851585B1 (ko) * | 2016-12-14 | 2018-05-09 | (주)아이포바인 | 진공 청소기용 브러쉬장치 |
CN207666529U (zh) | 2017-07-07 | 2018-07-31 | 小狗电器互联网科技(北京)股份有限公司 | 一种滚刷及其吸尘器 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH457357A (de) * | 1966-07-11 | 1968-06-15 | Haelg Walter | Walzenbürste |
US6023807A (en) * | 1994-04-15 | 2000-02-15 | Beissner; Hans-Wilhelm | Driving unit for cleaning accessory |
ITTV980085A1 (it) * | 1998-05-27 | 1999-11-29 | Ws Spa | Accessorio per elettrodomestico, finalizzato alla pulizia delle super fici, particolarmente un battitappeto con effetto spazzola complesso |
KR100504891B1 (ko) * | 2003-04-25 | 2005-07-29 | 엘지전자 주식회사 | 업라이트 청소기의 회전브러쉬구조 |
CA2522111A1 (en) * | 2004-10-04 | 2006-04-04 | Panasonic Corporation Of North America | Vacuum cleaner with displaceable height adjustment assembly and rotary agitator |
FR2928525B3 (fr) * | 2008-03-17 | 2010-08-13 | Bakkour Kattan | Brosse modulable. |
KR101984574B1 (ko) * | 2012-06-21 | 2019-05-31 | 엘지전자 주식회사 | 진공청소기용 흡입노즐 |
KR101610258B1 (ko) * | 2014-09-02 | 2016-04-07 | (주)아이포바인 | 청소기용 브러쉬장치 |
CN107252276B (zh) * | 2017-07-07 | 2019-07-09 | 小狗电器互联网科技(北京)股份有限公司 | 一种滚刷及其吸尘器 |
CN208775733U (zh) * | 2018-06-04 | 2019-04-23 | 河北奋进矿山机械有限公司 | 一种新型输送带用滚刷清扫器 |
-
2019
- 2019-07-30 KR KR1020190092683A patent/KR102676076B1/ko active IP Right Grant
-
2020
- 2020-07-24 AU AU2020321555A patent/AU2020321555B2/en active Active
- 2020-07-24 EP EP20848409.7A patent/EP4005449B1/en active Active
- 2020-07-24 US US17/597,930 patent/US20230180981A1/en active Pending
- 2020-07-24 CN CN202080054601.4A patent/CN114173624B/zh active Active
- 2020-07-24 WO PCT/KR2020/009748 patent/WO2021020812A1/ko unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020000075A (ko) * | 2000-06-21 | 2002-01-04 | 구자홍 | 진공청소기용 흡입구체의 아지테이터 |
KR20140140854A (ko) * | 2013-05-30 | 2014-12-10 | 엘지전자 주식회사 | 진공 청소기 |
KR20180027037A (ko) * | 2016-09-05 | 2018-03-14 | 레이캅코리아 주식회사 | 회전 펀치 브러쉬 모듈 |
KR101851585B1 (ko) * | 2016-12-14 | 2018-05-09 | (주)아이포바인 | 진공 청소기용 브러쉬장치 |
CN207666529U (zh) | 2017-07-07 | 2018-07-31 | 小狗电器互联网科技(北京)股份有限公司 | 一种滚刷及其吸尘器 |
Non-Patent Citations (1)
Title |
---|
See also references of EP4005449A4 |
Also Published As
Publication number | Publication date |
---|---|
AU2020321555B2 (en) | 2023-11-23 |
CN114173624B (zh) | 2022-11-08 |
EP4005449A1 (en) | 2022-06-01 |
EP4005449B1 (en) | 2024-07-10 |
KR102676076B1 (ko) | 2024-06-18 |
CN114173624A (zh) | 2022-03-11 |
EP4005449A4 (en) | 2023-08-02 |
KR20210014511A (ko) | 2021-02-09 |
AU2020321555A1 (en) | 2022-03-24 |
US20230180981A1 (en) | 2023-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2021261811A1 (ko) | 청소기 스테이션 및 청소기 스테이션의 제어방법 | |
WO2019212188A1 (ko) | 청소기의 노즐 | |
WO2019212176A1 (ko) | 청소기의 노즐 | |
WO2019212177A1 (ko) | 청소기의 노즐 | |
WO2016003077A1 (en) | Cleaning robot and controlling method thereof | |
WO2015076593A1 (en) | Cleaning robot and method for controlling the same | |
WO2019212187A1 (ko) | 청소기의 노즐 | |
WO2018038371A1 (ko) | 청소기 | |
WO2021137505A1 (en) | Display apparatus | |
WO2020122631A1 (ko) | 진공 청소기와 도킹 스테이션을 포함하는 청소 장치 | |
WO2020027524A1 (ko) | 청소기의 노즐 | |
WO2020055216A1 (ko) | 청소기 | |
WO2021080099A1 (ko) | 변환 부재 및 이를 포함하는 전기 청소기 | |
WO2020027469A1 (ko) | 청소기의 노즐 및 그 제어방법 | |
WO2021020812A1 (ko) | 에지테이터를 구비하는 청소용 유닛 | |
WO2022114636A1 (ko) | 진공 청소기와 도킹 스테이션을 포함하는 청소 장치 및 그 제어 방법 | |
WO2021020681A1 (ko) | 이동 로봇 | |
WO2022075580A1 (ko) | 진공청소기 | |
WO2011059301A2 (ko) | 휴대용 표시장치 | |
WO2022075718A1 (ko) | 청소기 스테이션 | |
WO2021157799A1 (ko) | 로봇 청소기 및 그 제어 방법 | |
WO2021137476A1 (ko) | 로봇청소기의 충전대 | |
WO2022019401A1 (ko) | 노즐부 및 이를 포함하는 로봇 청소기 | |
WO2021040240A1 (ko) | 에지테이터를 구비하는 청소용 유닛 | |
WO2015084031A1 (ko) | 청소기 및 청소기의 제어 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 20848409 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2020848409 Country of ref document: EP Effective date: 20220228 |
|
ENP | Entry into the national phase |
Ref document number: 2020321555 Country of ref document: AU Date of ref document: 20200724 Kind code of ref document: A |