US20100005611A1 - Cleaner - Google Patents
Cleaner Download PDFInfo
- Publication number
- US20100005611A1 US20100005611A1 US12/424,774 US42477409A US2010005611A1 US 20100005611 A1 US20100005611 A1 US 20100005611A1 US 42477409 A US42477409 A US 42477409A US 2010005611 A1 US2010005611 A1 US 2010005611A1
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- US
- United States
- Prior art keywords
- channel
- valve
- main body
- cleaner
- cleaner according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 239000000126 substance Substances 0.000 claims abstract description 17
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 230000000153 supplemental effect Effects 0.000 claims 3
- 239000000428 dust Substances 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
- A47L5/32—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with means for connecting a hose
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/0009—Storing devices ; Supports, stands or holders
- A47L9/0018—Storing devices ; Supports, stands or holders integrated in or removably mounted upon the suction cleaner for storing parts of said suction cleaner
- A47L9/0036—Storing devices ; Supports, stands or holders integrated in or removably mounted upon the suction cleaner for storing parts of said suction cleaner specially adapted for holding the suction hose
Definitions
- the present invention relates to a cleaner, and more particularly to a cleaner having a channel conversion device.
- Cleaners are apparatuses, which remove foreign substances, such as dust, and vacuum cleaners are mainly used at home.
- Vacuum cleaners suck dust using suction force generated by a blowing device and then filter out the dust through a filter, and are roughly divided into a canister type cleaner and an upright type cleaner.
- a conventional upright type cleaner includes a brush assembly, a main body rotatably connected to the brush assembly, a duct member installed in the main body and provided with a first channel connected to the brush assembly, a second channel connected to a subsidiary suction device, a third channel connected to a suction source, and a crossing channel, in which the first, second, and third channels join together, and a valve member installed in the crossing channel to selectively communicate the first channel or the second channel with the third channel.
- the valve member is rotated to close an inlet of any one of the first channel and the second channel, and the other one of the first channel and the second channel, which is not closed, is communicated with the third channel.
- the valve member of the conventional upright type cleaner is rotated from the downstream portion of the first or second channel to the upstream portion of the first or second channel, and thus closes the first or second channel.
- one aspect of the present invention is to provide a cleaner, which has an improved channel conversion performance.
- the present invention provides a cleaner comprising a base and a subsidiary suction device respectively provided with suction ports to suck external foreign substances; a suction fan generating suction force to suck the external foreign substances; a first channel connected to the base to transmit the suction force to the base; a second channel connected to the subsidiary suction device to transmit the suction force to the subsidiary suction device; and a channel conversion device including a first valve and a second valve rotated to respectively open and close the first channel and the second channel, wherein the first valve and the second valve are respectively rotated from the upstream portion of a flow to the downstream portion of the flow, and thus close the first channel and the second channel.
- the cleaner may further comprise a rotary shaft provided with one side connected to the first valve and the other side connected to the second valve.
- the rotary shaft may be disposed at the intersection of the first channel and the second channel.
- the cleaner may further comprise a first flange part and a second flange part respectively provided on the first channel and the second channel to be closely adhered to the edge of the first valve and the edge of the second valve when the channels are closed by the first valve and the second valve.
- the cleaner may further comprise a sealing member to airtightly close the first channel or the second channel by the first valve or the second valve.
- the sealing member may be provided on the first valve or the second valve, and include a convex part.
- the cleaner may further comprise a main body rotatably connected to the base, and the first channel may be opened and the second channel may be closed when the main body is located within a first rotating range, and the first channel may be closed and the second channel may be opened when the main body is located within a second rotating range.
- the channel conversion device may further include an actuator moving rectilinearly through the rotation of the main body, and a rotary shaft connected to the first valve and the second valve, and the rotary shaft may be rotated in linkage with the actuator.
- the actuator may be elastically supported by the main body, and be pressed by the base according to the rotating angle of the main body.
- the present invention provides a cleaner, which has a brush assembly and a subsidiary suction device, comprising a first channel connected to the brush assembly; a second channel connected to the subsidiary suction device; and a channel conversion device including a first valve to open and close the first channel and a second valve to open and close the second channel, wherein the first valve or the second valve moves in the flowing direction of sucked air, and thus closes the first channel or the second channel.
- the first valve and the second valve may be provided with a single rotary shaft, and the rotary shaft may be rotated in linkage with the rotation of the main body.
- the cleaner may further comprise an actuator provided on the main body, and pressed by the base and moving rectilinearly when the main body is rotated at a designated angle, and the rotating shaft may be rotated by the rectilinear movement of the actuator.
- the present invention provides a cleaner having a first suction channel and a second suction channel, which are selectively opened and closed, and suck external foreign substances, comprising a first valve and a second valve respectively rotated from the upstream portion of a flow to the downstream portion of the flow to close the first channel and the second channel.
- the first valve and the second valve may be formed integrally.
- the second channel may be closed by the second valve when the first channel is opened by the first valve, and the second channel may be opened by the second valve when the first channel is closed by the first valve.
- FIG. 1 is a perspective view illustrating the external appearance of an upright type cleaner in accordance with one embodiment of the present invention
- FIGS. 2 and 3 are respectively exploded perspective and longitudinal-sectional views illustrating a fixing part of a subsidiary suction device in accordance with one embodiment of the present invention
- FIG. 4 is an exploded perspective view illustrating a channel conversion device in accordance with one embodiment of the present invention.
- FIGS. 5A and 5B are views illustrating a channel conversion structure around a valve assembly in accordance with one embodiment of the present invention.
- FIGS. 6A and 6B are perspective views illustrating the operation of the channel conversion device in accordance with one embodiment of the present invention.
- FIG. 1 is a perspective view illustrating the external appearance of an upright type cleaner in accordance with one embodiment of the present invention.
- the cleaner in accordance with one embodiment of the present invention includes a brush assembly 10 , a main body 20 rotatably connected to the brush assembly 10 , and a subsidiary suction device 30 detachably attached to the main body 20 .
- the brush assembly 10 includes a base 11 provided with a suction port 12 , a rotary brush 13 accommodated in the base 11 and rotated to brush away dust from a surface to be cleaned and induce the dust to the inside of the base 11 , a driving motor 14 to drive the rotary brush 13 , and a plurality of wheels 15 provided at the lower portion of the base 11 .
- the main body 20 includes a main body casing 21 connected to the base 11 of the brush assembly 10 such that the main body 20 can be rotated, a suction fan (not shown) accommodated in the main body casing 21 to generate suction force of sucking external foreign substances, and a dust collector 22 to collect the filtered-out foreign substances.
- Non-described reference numeral 25 represents an exhaust port, through which air filtered by the dust collector 22 is exhausted from the main body 20 to the outside.
- the dust collector 22 includes a filter 23 located at the inlet side of the suction fan to filter out foreign substances, and a collection tank 24 provided around the filter 23 to collect the filtered-out foreign substances.
- the subsidiary suction device 30 includes a wand assembly 31 , and a flexible hose 35 connected to the wand assembly 31 to transmit the suction force generated from the suction fan to the wand assembly 31 .
- the wand assembly 31 includes a handle 32 easily gripped by a user, and a pipe 33 provided at one side of the handle 32 and connected to the flexible hose 35 .
- the handle 32 in this embodiment may serve as a handle of the main body 20 under the condition that the wand assembly 31 is mounted on the main body 20 .
- the wand assembly 31 may further include a tool 34 detachably connected to the front end of the pipe 33 .
- the subsidiary suction device 30 in this embodiment is an exemplary device, which supplements the function of the brush assembly 10 and thus sucks foreign substances, and the structure and configuration of the subsidiary suction device 30 is not limited.
- the subsidiary suction device may include only a flexible hose.
- the cleaner in accordance with this embodiment further includes a first channel 41 connected to the base 11 to transmit the suction force generated from the suction fan to the brush assembly 10 , a second channel 42 connected to the subsidiary suction device 30 to transmit the suction force generated from the suction fan to the subsidiary suction device 30 , a third channel 43 connected to the dust collector 22 , and a channel conversion device 100 provided around the intersection of the first, second, and third channels 41 , 42 , and 43 to selectively communicate the first channel 41 or the second channel 42 with the third channel 43 .
- FIGS. 2 and 3 are respectively exploded perspective and longitudinal-sectional views illustrating a fixing part of the subsidiary suction device in accordance with one embodiment of the present invention. With reference to the FIGS. 2 and 3 , the fixing structure of the subsidiary suction device in accordance with this embodiment will be described.
- the cleaner in this embodiment includes a rotating unit 50 provided on the wand assembly 31 and the main body 20 such that the wand assembly 31 is supported by the main body 20 and is rotated, a locking unit 60 provided on the wand assembly 31 and the main body 20 such that the wand assembly 31 rotated in one direction is locked with the main body 20 , and an elastic support unit 70 elastically supporting the wand assembly 31 in the opposite direction to the locking direction.
- the rotating unit 50 includes a rotary shaft 51 provided on the wand assembly 31 , and a rotary groove 52 , into which the rotary shaft 51 is inserted, provided on the main body 20 .
- the rotary groove 52 of the main body 20 is provided at the upper portion of the main body 20 such that a user can easily observe the position of the rotary groove 52 .
- the handle side of the wand assembly 31 i.e., a portion of the handle 32 or a portion of the pipe 33 being adjacent to the handle 32 , is rotatably supported by the main body 20 .
- the locking unit 60 includes a locking hook 61 provided on the main body 20 , an elastic body 62 elastically supporting the locking hook 61 in one direction, a release button 63 formed integrally with the locking hook 61 to allow a user to press the locking hook 61 in the opposite direction to the elastically supporting direction of the locking hook 61 , and a fastening part 64 , to which the locking hook 61 is fastened, provided on the wand assembly 31 .
- Reference numeral 65 represents a cover to cover the front surface of the main body 20 .
- the elastically supporting unit 70 includes a support body 71 contacting the wand assembly 31 , and an elastic body 72 elastically supporting the support body 71 .
- the release button 63 formed integrally with the locking hook 61 is pressed, the wand assembly 31 is released from the main body 20 .
- the fastening between the locking hook 61 of the main body 20 and the fastening part 64 of the wand assembly 31 is released, and the wand assembly 31 is rotated in the opposite direction to the locking direction by the elastic force of the elastically supporting unit 70 and is released from the main body 20 .
- the release button 63 is preferably located at the upper portion of the main body 20 such that a user of the subsidiary suction device 30 can conveniently press the release button 63 .
- the above mounting structure of the wand assembly 30 is exemplary, and the wand assembly 30 may be fixed to the main body 20 by other various methods.
- FIG. 4 is an exploded perspective view illustrating the channel conversion device in accordance with one embodiment of the present invention
- FIGS. 5A and 5B are views illustrating a channel conversion structure around a valve assembly in accordance with one embodiment of the present invention
- FIGS. 6A and 6B are perspective views illustrating the operation of the channel conversion device in accordance with one embodiment of the present invention.
- the channel conversion device in this embodiment will be described.
- the channel conversion device 100 in this embodiment includes a valve assembly 110 , and a driving unit 120 to drive the valve assembly 110 .
- the valve assembly 110 includes a first valve 111 to open and close the first channel 41 , a second valve 112 to open and close the second channel 42 , and a rotary shaft 113 provided with one side connected to the first valve 111 and the other side connected to the second valve 112 and disposed at the intersection of the first channel 41 and the second channel 42 .
- the first valve 111 and the second valve 112 in this embodiment forms a V shape and are connected to the rotary shaft 113 .
- the front end of the first valve 111 and the front end of the second valve 112 are respectively extended to the downstream portion of the first channel 41 and the downstream portion of the second channel 42 .
- first channel 41 is opened by the first valve 111 and the second channel 42 is closed by the second valve 112 simultaneously, as shown in FIG. 5A
- first channel 41 is closed by the first valve 111 and the second channel 42 is opened by the second valve 112 simultaneously, as shown in FIG. 5B .
- first valve 111 and the second valve 112 in this embodiment are rotated in the same direction as the flowing direction of sucked air to respectively close the first channel 41 and the second channel 42 , thus reducing the leakage of suction force through the closed channels 41 and 42 .
- the second valve 112 is rotated from the upstream portion of the flow to the downstream portion of the flow (i.e., in the A direction) and closes the second channel 42 , and thus more strongly closes the second channel 42 due to the suction force transmitted from the suction fan.
- the first valve 111 is rotated from the upstream portion of the flow to the downstream portion of the flow (i.e., in the B direction) and closes the first channel 41 .
- Reference mark g represents the flowing direction of the sucked air.
- the cleaner of this embodiment further includes flange parts 114 and 115 respectively provided on the first channel 41 and the second channel 42 to more firmly close the channels 41 and 42 through the valves 111 and 112 .
- the first flange part 114 of the first channel 41 contacts the edge of the first valve 111
- the second flange part 115 of the second channel 42 contacts the edge of the second valve 112 .
- the cleaner further includes sealing members 116 respectively provided on the flange parts 114 and 115 or the valves 111 and 112 contacting the flange parts 114 and 115 .
- the sealing members 116 are provided on the first valve 111 and the second valve 112 , and a convex part 117 combined with the cross-section of each of the channels 41 and 42 is provided on the center of each of the sealing members 116 to further improve airtight force.
- the driving unit 120 includes an actuator 121 elastically supported by the main body 20 and moving rectilinearly through the rotation of the main body 20 , and a link 122 provided with one end rotatably connected to the actuator 121 and the other end fixedly connected to the rotary shaft 113 such that the rotary shaft 113 of the valve assembly 110 can be rotated by the rectilinear movement of the actuator 121 .
- Reference numeral 123 represents an elastic body elastically supporting the actuator 121 against the brush assembly 10 .
- the main body 20 , the actuator 121 , and the rotary shaft 113 are linked with each other, and thus the rotary shaft 113 of the valve assembly 110 is rotated by the rotation of the main body 20 and the first channel 41 or the second channel 42 is selectively opened and closed thereby.
- the actuator 121 is preferably designed such that the lower end 124 of the actuator 121 does not contact the brush assembly 10 although the main body 20 in the tilted state is rotated within a designated range.
- the designated range is a first rotating range ( ⁇ ).
- the actuator 121 is pressed by the brush assembly 10 and moves upward, the valve assembly 110 linked with the actuator 121 is rotated in the B direction, and thus the first channel 41 is closed and the second channel 42 is opened.
- the user separates the wand assembly 31 from the main body 20 under the condition that the main body 20 is erected against the brush assembly 10 .
- the actuator 121 is pressed by the brush assembly 10
- the valve assembly 110 linked with the actuator 12 is rotated to close the first channel 41 and open the second channel 42 , and thus the suction force of the suction fan is concentrated upon the second channel 42 .
- the cleaner in accordance with this embodiment does not require a user to manipulate the channel conversion device 100 separately to use the brush assembly 10 or the subsidiary suction device 30 . That is, in case that the user performs cleaning using the brush assembly 10 under the condition that the main body 20 is tilted at a designated angle, the first channel 41 connected to the brush assembly 10 is automatically opened and the second channel 42 connected to the subsidiary suction device 30 is automatically closed. Further, in case that the user erects the main body 20 against the brush assembly 10 , the second channel 42 connected to the subsidiary suction device 30 is automatically opened and the first channel 41 connected to the brush assembly 10 is automatically closed.
- the channel conversion device 100 to automatically convert the channel has a relatively simple structure, and the productivity of the cleaner of the present invention is improved.
- the present invention may be applied any cleaner having two or more suction channels and be variously modified.
- valve assembly 110 in the embodiment has a single rotary shaft 113
- the respective valves may have separate rotary shafts.
- the driving unit 120 may include a separate driving motor, and driving motor may be controlled based on a signal generated from a sensor, which senses the pose of the main body 20 .
- the present invention provides a cleaner, which has an improved channel conversion performance.
Abstract
Disclosed is a cleaner, which has an improved channel conversion structure. The cleaner includes a first suction channel and a second suction channel, which are selectively opened and closed, and suck external foreign substances, and a first valve and a second valve, which are respectively rotated from the upstream portion of a flow to the downstream portion of the flow and thus close the first channel and the second channel.
Description
- This application claims the benefit of Korean Patent Application No. 2008-0067155, filed on Jul. 10, 2008, in the Korean Intellectual Property Office, the disclosure of which is incorporated herein by reference.
- 1. Field of the Invention
- The present invention relates to a cleaner, and more particularly to a cleaner having a channel conversion device.
- 2. Description of the Related Art
- Cleaners are apparatuses, which remove foreign substances, such as dust, and vacuum cleaners are mainly used at home. Vacuum cleaners suck dust using suction force generated by a blowing device and then filter out the dust through a filter, and are roughly divided into a canister type cleaner and an upright type cleaner.
- A conventional upright type cleaner includes a brush assembly, a main body rotatably connected to the brush assembly, a duct member installed in the main body and provided with a first channel connected to the brush assembly, a second channel connected to a subsidiary suction device, a third channel connected to a suction source, and a crossing channel, in which the first, second, and third channels join together, and a valve member installed in the crossing channel to selectively communicate the first channel or the second channel with the third channel. Here, the valve member is rotated to close an inlet of any one of the first channel and the second channel, and the other one of the first channel and the second channel, which is not closed, is communicated with the third channel. Thus, the valve member of the conventional upright type cleaner is rotated from the downstream portion of the first or second channel to the upstream portion of the first or second channel, and thus closes the first or second channel.
- Therefore, one aspect of the present invention is to provide a cleaner, which has an improved channel conversion performance.
- In accordance with one aspect, the present invention provides a cleaner comprising a base and a subsidiary suction device respectively provided with suction ports to suck external foreign substances; a suction fan generating suction force to suck the external foreign substances; a first channel connected to the base to transmit the suction force to the base; a second channel connected to the subsidiary suction device to transmit the suction force to the subsidiary suction device; and a channel conversion device including a first valve and a second valve rotated to respectively open and close the first channel and the second channel, wherein the first valve and the second valve are respectively rotated from the upstream portion of a flow to the downstream portion of the flow, and thus close the first channel and the second channel.
- The cleaner may further comprise a rotary shaft provided with one side connected to the first valve and the other side connected to the second valve.
- The rotary shaft may be disposed at the intersection of the first channel and the second channel.
- The cleaner may further comprise a first flange part and a second flange part respectively provided on the first channel and the second channel to be closely adhered to the edge of the first valve and the edge of the second valve when the channels are closed by the first valve and the second valve.
- The cleaner may further comprise a sealing member to airtightly close the first channel or the second channel by the first valve or the second valve.
- The sealing member may be provided on the first valve or the second valve, and include a convex part.
- The cleaner may further comprise a main body rotatably connected to the base, and the first channel may be opened and the second channel may be closed when the main body is located within a first rotating range, and the first channel may be closed and the second channel may be opened when the main body is located within a second rotating range.
- The channel conversion device may further include an actuator moving rectilinearly through the rotation of the main body, and a rotary shaft connected to the first valve and the second valve, and the rotary shaft may be rotated in linkage with the actuator.
- The actuator may be elastically supported by the main body, and be pressed by the base according to the rotating angle of the main body.
- In accordance with a further aspect, the present invention provides a cleaner, which has a brush assembly and a subsidiary suction device, comprising a first channel connected to the brush assembly; a second channel connected to the subsidiary suction device; and a channel conversion device including a first valve to open and close the first channel and a second valve to open and close the second channel, wherein the first valve or the second valve moves in the flowing direction of sucked air, and thus closes the first channel or the second channel.
- The first valve and the second valve may be provided with a single rotary shaft, and the rotary shaft may be rotated in linkage with the rotation of the main body.
- The cleaner may further comprise an actuator provided on the main body, and pressed by the base and moving rectilinearly when the main body is rotated at a designated angle, and the rotating shaft may be rotated by the rectilinear movement of the actuator.
- In accordance with another aspect, the present invention provides a cleaner having a first suction channel and a second suction channel, which are selectively opened and closed, and suck external foreign substances, comprising a first valve and a second valve respectively rotated from the upstream portion of a flow to the downstream portion of the flow to close the first channel and the second channel.
- The first valve and the second valve may be formed integrally.
- The second channel may be closed by the second valve when the first channel is opened by the first valve, and the second channel may be opened by the second valve when the first channel is closed by the first valve.
- These and/or other aspects and advantages of the invention will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings in which:
-
FIG. 1 is a perspective view illustrating the external appearance of an upright type cleaner in accordance with one embodiment of the present invention; -
FIGS. 2 and 3 are respectively exploded perspective and longitudinal-sectional views illustrating a fixing part of a subsidiary suction device in accordance with one embodiment of the present invention; -
FIG. 4 is an exploded perspective view illustrating a channel conversion device in accordance with one embodiment of the present invention; -
FIGS. 5A and 5B are views illustrating a channel conversion structure around a valve assembly in accordance with one embodiment of the present invention; and -
FIGS. 6A and 6B are perspective views illustrating the operation of the channel conversion device in accordance with one embodiment of the present invention. - Reference will now be made in detail to the embodiment of the present invention, an example of which is illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout. The embodiment is described below to explain the present invention by referring to the annexed drawings.
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FIG. 1 is a perspective view illustrating the external appearance of an upright type cleaner in accordance with one embodiment of the present invention. - The cleaner in accordance with one embodiment of the present invention includes a
brush assembly 10, amain body 20 rotatably connected to thebrush assembly 10, and asubsidiary suction device 30 detachably attached to themain body 20. - The
brush assembly 10 includes abase 11 provided with asuction port 12, arotary brush 13 accommodated in thebase 11 and rotated to brush away dust from a surface to be cleaned and induce the dust to the inside of thebase 11, a drivingmotor 14 to drive therotary brush 13, and a plurality ofwheels 15 provided at the lower portion of thebase 11. - The
main body 20 includes amain body casing 21 connected to thebase 11 of thebrush assembly 10 such that themain body 20 can be rotated, a suction fan (not shown) accommodated in themain body casing 21 to generate suction force of sucking external foreign substances, and adust collector 22 to collect the filtered-out foreign substances. Non-describedreference numeral 25 represents an exhaust port, through which air filtered by thedust collector 22 is exhausted from themain body 20 to the outside. - The
dust collector 22 includes afilter 23 located at the inlet side of the suction fan to filter out foreign substances, and acollection tank 24 provided around thefilter 23 to collect the filtered-out foreign substances. - The
subsidiary suction device 30 includes awand assembly 31, and aflexible hose 35 connected to thewand assembly 31 to transmit the suction force generated from the suction fan to thewand assembly 31. - The
wand assembly 31 includes ahandle 32 easily gripped by a user, and apipe 33 provided at one side of thehandle 32 and connected to theflexible hose 35. Thehandle 32 in this embodiment may serve as a handle of themain body 20 under the condition that thewand assembly 31 is mounted on themain body 20. Thewand assembly 31 may further include atool 34 detachably connected to the front end of thepipe 33. - The
subsidiary suction device 30 in this embodiment is an exemplary device, which supplements the function of thebrush assembly 10 and thus sucks foreign substances, and the structure and configuration of thesubsidiary suction device 30 is not limited. For example, the subsidiary suction device may include only a flexible hose. - The cleaner in accordance with this embodiment further includes a
first channel 41 connected to thebase 11 to transmit the suction force generated from the suction fan to thebrush assembly 10, asecond channel 42 connected to thesubsidiary suction device 30 to transmit the suction force generated from the suction fan to thesubsidiary suction device 30, athird channel 43 connected to thedust collector 22, and achannel conversion device 100 provided around the intersection of the first, second, andthird channels first channel 41 or thesecond channel 42 with thethird channel 43. -
FIGS. 2 and 3 are respectively exploded perspective and longitudinal-sectional views illustrating a fixing part of the subsidiary suction device in accordance with one embodiment of the present invention. With reference to theFIGS. 2 and 3 , the fixing structure of the subsidiary suction device in accordance with this embodiment will be described. - The cleaner in this embodiment includes a rotating
unit 50 provided on thewand assembly 31 and themain body 20 such that thewand assembly 31 is supported by themain body 20 and is rotated, alocking unit 60 provided on thewand assembly 31 and themain body 20 such that thewand assembly 31 rotated in one direction is locked with themain body 20, and anelastic support unit 70 elastically supporting thewand assembly 31 in the opposite direction to the locking direction. - The rotating
unit 50 includes arotary shaft 51 provided on thewand assembly 31, and arotary groove 52, into which therotary shaft 51 is inserted, provided on themain body 20. Preferably, therotary groove 52 of themain body 20 is provided at the upper portion of themain body 20 such that a user can easily observe the position of therotary groove 52. Further, preferably, the handle side of thewand assembly 31, i.e., a portion of thehandle 32 or a portion of thepipe 33 being adjacent to thehandle 32, is rotatably supported by themain body 20. - The
locking unit 60 includes alocking hook 61 provided on themain body 20, anelastic body 62 elastically supporting thelocking hook 61 in one direction, arelease button 63 formed integrally with thelocking hook 61 to allow a user to press thelocking hook 61 in the opposite direction to the elastically supporting direction of thelocking hook 61, and a fasteningpart 64, to which thelocking hook 61 is fastened, provided on thewand assembly 31.Reference numeral 65 represents a cover to cover the front surface of themain body 20. - The elastically supporting
unit 70 includes asupport body 71 contacting thewand assembly 31, and anelastic body 72 elastically supporting thesupport body 71. - Through the above structure, when the
rotary shaft 51 of thewand assembly 31 is inserted into therotary groove 52 of themain body 20 and then thewand assembly 31 is rotated in a direction of causing the lower end of thewand assembly 31 to come close to themain body 20, as shown inFIG. 3 , thelocking hook 61 moves in the opposite direction to the elastically supporting direction and then is returned to its original position. During this process, thefastening part 64 provided on thewand assembly 31 is fastened to the lockinghook 61, and thus thewand assembly 31 is supported by the elastically supportingunit 70 and is fixed to themain body 20. - On the other hand, when the
release button 63 formed integrally with the lockinghook 61 is pressed, thewand assembly 31 is released from themain body 20. The fastening between the lockinghook 61 of themain body 20 and thefastening part 64 of thewand assembly 31 is released, and thewand assembly 31 is rotated in the opposite direction to the locking direction by the elastic force of the elastically supportingunit 70 and is released from themain body 20. Here, therelease button 63 is preferably located at the upper portion of themain body 20 such that a user of thesubsidiary suction device 30 can conveniently press therelease button 63. - The above mounting structure of the
wand assembly 30 is exemplary, and thewand assembly 30 may be fixed to themain body 20 by other various methods. -
FIG. 4 is an exploded perspective view illustrating the channel conversion device in accordance with one embodiment of the present invention,FIGS. 5A and 5B are views illustrating a channel conversion structure around a valve assembly in accordance with one embodiment of the present invention, andFIGS. 6A and 6B are perspective views illustrating the operation of the channel conversion device in accordance with one embodiment of the present invention. With reference toFIGS. 4 to 6B , the channel conversion device in this embodiment will be described. - The
channel conversion device 100 in this embodiment includes avalve assembly 110, and adriving unit 120 to drive thevalve assembly 110. - The
valve assembly 110 includes afirst valve 111 to open and close thefirst channel 41, asecond valve 112 to open and close thesecond channel 42, and arotary shaft 113 provided with one side connected to thefirst valve 111 and the other side connected to thesecond valve 112 and disposed at the intersection of thefirst channel 41 and thesecond channel 42. - As shown in
FIGS. 5A and 5B , thefirst valve 111 and thesecond valve 112 in this embodiment forms a V shape and are connected to therotary shaft 113. The front end of thefirst valve 111 and the front end of thesecond valve 112 are respectively extended to the downstream portion of thefirst channel 41 and the downstream portion of thesecond channel 42. - Thereby, the
first channel 41 is opened by thefirst valve 111 and thesecond channel 42 is closed by thesecond valve 112 simultaneously, as shown inFIG. 5A , and thefirst channel 41 is closed by thefirst valve 111 and thesecond channel 42 is opened by thesecond valve 112 simultaneously, as shown inFIG. 5B . - Further, the
first valve 111 and thesecond valve 112 in this embodiment are rotated in the same direction as the flowing direction of sucked air to respectively close thefirst channel 41 and thesecond channel 42, thus reducing the leakage of suction force through theclosed channels - For example, in case that the
first channel 41 is opened and thesecond channel 42 is closed, as shown inFIG. 5A , thesecond valve 112 is rotated from the upstream portion of the flow to the downstream portion of the flow (i.e., in the A direction) and closes thesecond channel 42, and thus more strongly closes thesecond channel 42 due to the suction force transmitted from the suction fan. - On the other hand, in case that the
first channel 41 is closed and thesecond channel 42 is opened, as shown inFIG. 5B , thefirst valve 111 is rotated from the upstream portion of the flow to the downstream portion of the flow (i.e., in the B direction) and closes thefirst channel 41. Reference mark g represents the flowing direction of the sucked air. - The cleaner of this embodiment further includes
flange parts first channel 41 and thesecond channel 42 to more firmly close thechannels valves first channel 41 is closed, thefirst flange part 114 of thefirst channel 41 contacts the edge of thefirst valve 111, and when thesecond channel 42 is closed, thesecond flange part 115 of thesecond channel 42 contacts the edge of thesecond valve 112. - The cleaner further includes sealing
members 116 respectively provided on theflange parts valves flange parts members 116 are provided on thefirst valve 111 and thesecond valve 112, and aconvex part 117 combined with the cross-section of each of thechannels members 116 to further improve airtight force. - The driving
unit 120 includes anactuator 121 elastically supported by themain body 20 and moving rectilinearly through the rotation of themain body 20, and alink 122 provided with one end rotatably connected to theactuator 121 and the other end fixedly connected to therotary shaft 113 such that therotary shaft 113 of thevalve assembly 110 can be rotated by the rectilinear movement of theactuator 121.Reference numeral 123 represents an elastic body elastically supporting theactuator 121 against thebrush assembly 10. - Therefore, the
main body 20, theactuator 121, and therotary shaft 113 are linked with each other, and thus therotary shaft 113 of thevalve assembly 110 is rotated by the rotation of themain body 20 and thefirst channel 41 or thesecond channel 42 is selectively opened and closed thereby. - Specifically, in case that the
main body 20 is tilted against thebrush assembly 10 at a designated angle, as shown inFIG. 6A , since alower end 124 of theactuator 121 is separated from thebrush assembly 10, theactuator 121 maintains an elastically supported state at the lower part thereof, thevalve assembly 110 linked with theactuator 121 maintains a rotated state in the A direction, and thus thefirst channel 41 is opened and thesecond channel 42 is closed. Here, since themain body 20 is rotated within the range of a designated angle and thebrush assembly 10 is used in general, theactuator 121 is preferably designed such that thelower end 124 of theactuator 121 does not contact thebrush assembly 10 although themain body 20 in the tilted state is rotated within a designated range. In this embodiment, the designated range is a first rotating range (α). - Further, in case that the
main body 20 is erected against thebrush assembly 10, as shown inFIG. 6B , theactuator 121 is pressed by thebrush assembly 10 and moves upward, thevalve assembly 110 linked with theactuator 121 is rotated in the B direction, and thus thefirst channel 41 is closed and thesecond channel 42 is opened. - Hereinafter, a cleaning operation using the cleaner of this embodiment will be described in brief.
- When the bottom, such as a carpet or a floor, is cleaned, a user pushes and pulls the
handle 32 forward and backward under the condition that themain body 20 is tilted to effectively suck foreign substances through thebrush assembly 10. Here, although themain body 20 is rotated forward and backward within the first rotating range (α), thelower end 124 of theactuator 121 does not contact thebrush assembly 10, the opening state of thefirst channel 41 and the closing state of thesecond channel 42 are maintained, and thus the suction force of the suction fan is concentrated upon thefirst channel 41. - In case that a gap, a curtain, or a ceiling is cleaned using the
subsidiary suction device 30, the user separates thewand assembly 31 from themain body 20 under the condition that themain body 20 is erected against thebrush assembly 10. Here, as themain body 20 is rotated, theactuator 121 is pressed by thebrush assembly 10, thevalve assembly 110 linked with theactuator 12 is rotated to close thefirst channel 41 and open thesecond channel 42, and thus the suction force of the suction fan is concentrated upon thesecond channel 42. - As described above, the cleaner in accordance with this embodiment does not require a user to manipulate the
channel conversion device 100 separately to use thebrush assembly 10 or thesubsidiary suction device 30. That is, in case that the user performs cleaning using thebrush assembly 10 under the condition that themain body 20 is tilted at a designated angle, thefirst channel 41 connected to thebrush assembly 10 is automatically opened and thesecond channel 42 connected to thesubsidiary suction device 30 is automatically closed. Further, in case that the user erects themain body 20 against thebrush assembly 10, thesecond channel 42 connected to thesubsidiary suction device 30 is automatically opened and thefirst channel 41 connected to thebrush assembly 10 is automatically closed. - Thus, a user's trouble of converting the channel according to cleaning modes is saved, and the convenience of use of the cleaner is increased.
- Further, the
channel conversion device 100 to automatically convert the channel has a relatively simple structure, and the productivity of the cleaner of the present invention is improved. - Although the embodiment illustrates the upright type cleaner, the present invention may be applied any cleaner having two or more suction channels and be variously modified.
- For example, although the
valve assembly 110 in the embodiment has a singlerotary shaft 113, the respective valves may have separate rotary shafts. - Further, the driving
unit 120 may include a separate driving motor, and driving motor may be controlled based on a signal generated from a sensor, which senses the pose of themain body 20. - As apparent from the above description, the present invention provides a cleaner, which has an improved channel conversion performance.
- Although an embodiment of the invention has been shown and described, it would be appreciated by those skilled in the art that changes may be made in this embodiment without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (27)
1. A cleaner comprising:
a base and a subsidiary suction device respectively provided with suction ports to suck external foreign substances;
a suction fan generating suction force to suck the external foreign substances;
a first channel connected to the base to transmit the suction force to the base;
a second channel connected to the subsidiary suction device to transmit the suction force to the subsidiary suction device; and
a channel conversion device including a first valve and a second valve rotated to respectively open and close the first channel and the second channel,
wherein the first valve and the second valve are respectively rotated from the upstream portion of a flow to the downstream portion of the flow, and thus close the first channel and the second channel.
2. The cleaner according to claim 1 , further comprising a rotary shaft provided with one side connected to the first valve and the other side connected to the second valve.
3. The cleaner according to claim 2 , wherein the rotary shaft is disposed at the intersection of the first channel and the second channel.
4. The cleaner according to claim 1 , further comprising a first flange part and a second flange part respectively provided on the first channel and the second channel to be closely adhered to the edge of the first valve and the edge of the second valve when the channels are closed by the first valve and the second valve.
5. The cleaner according to claim 4 , further comprising a sealing member to airtightly close the first channel or the second channel by the first valve or the second valve.
6. The cleaner according to claim 5 , wherein the sealing member is provided on the first valve or the second valve, and includes a convex part.
7. The cleaner according to claim 1 , further comprising a main body rotatably connected to the base,
wherein the first channel is opened and the second channel is closed when the main body is located within a first rotating range, and the first channel is closed and the second channel is opened when the main body is located within a second rotating range.
8. The cleaner according to claim 7 , wherein the channel conversion device further includes an actuator moving rectilinearly through the rotation of the main body, and a rotary shaft connected to the first valve and the second valve, and the rotary shaft is rotated in linkage with the actuator.
9. The cleaner according to claim 8 , wherein the actuator is elastically supported by the main body, and is pressed by the base according to the rotating angle of the main body.
10. A cleaner, which has a brush assembly and a subsidiary suction device, comprising:
a first channel connected to the brush assembly;
a second channel connected to the subsidiary suction device; and
a channel conversion device including a first valve to open and close the first channel and a second valve to open and close the second channel,
wherein the first valve or the second valve moves in the flowing direction of sucked air, and thus closes the first channel or the second channel.
11. The cleaner according to claim 10 , wherein the first valve and the second valve are provided with a single rotary shaft, and the rotary shaft is rotated in linkage with the rotation of the main body.
12. The cleaner according to claim 11 , further comprising an actuator provided on the main body, and pressed by the base and moving rectilinearly when the main body is rotated at a designated angle,
wherein the rotating shaft is rotated by the rectilinear movement of the actuator.
13. A cleaner having a first suction channel and a second suction channel, which are selectively opened and closed, and suck external foreign substances, comprising a first valve and a second valve respectively rotated from the upstream portion of a flow to the downstream portion of the flow to close the first channel and the second channel.
14. The cleaner according to claim 13 , wherein the first valve and the second valve are formed integrally.
15. The cleaner according to claim 13 , wherein the second channel is closed by the second valve when the first channel is opened by the first valve, and the second channel is opened by the second valve when the first channel is closed by the first valve.
16. An upright vacuum cleaner having a main body and a bottom suction device, the cleaner comprising:
a supplemental suction device;
a first channel connected to the bottom suction device to suck foreign substances;
a second channel connected to the supplemental suction device to suck foreign substances;
a suction fan generating suction force to suck the foreign substances;
a channel conversion device having a first valve and a second valve to control flow of air to the first channel and the second channel respectively;
wherein the channel conversion device controls the flow of air in accordance with the position of the main body with respect to the bottom suction device.
17. The cleaner according to claim 16 , wherein the channel conversion device selectively routes either of the first channel air flow or the second channel airflow to the main body.
18. The cleaner according to claim 17 , wherein the channel conversion device has a first valve and a second valve respectively for the first channel and the second channel.
19. The cleaner according to claim 16 , wherein the first channel air flow is routed to the main body when the cleaner is in the upright position and the second channel air flow is routed to the main body when the cleaner is in the tilted position.
20. The cleaner according to claim 16 , wherein the channel conversion device it rotated between two different positions to respectively route first channel airflow and the second channel airflow.
21. The cleaner according to claim 16 , further comprising an actuator for causing rotation of the channel conversion device.
22. The cleaner according to claim 21 , wherein a link is provided between the actuator and the channel conversion device.
23. The cleaner according to claim 21 , wherein the actuator is urged by an elastic device is a first direction.
24. The cleaner according to claim 23 , wherein the actuator is urged toward a second direction opposite the first direction, by a body of the bottom suction device, when the cleaner is positioned in an upright position.
25. The cleaner according to claim 24 , wherein the supplemental suction device is activated when the cleaner is positioned in the upright position.
26. The cleaner according to claim 23 , wherein the bottom suction device is activated when the cleaner is positioned in a tilted position having a predetermined range of angel between the main body and the bottom suction device.
27. The cleaner according to claim 26 , wherein the bottom suction device has a rotatable brush.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020080067155A KR20100006787A (en) | 2008-07-10 | 2008-07-10 | Cleaner |
KR2008-0067155 | 2008-07-10 |
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US20100005611A1 true US20100005611A1 (en) | 2010-01-14 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US12/424,774 Abandoned US20100005611A1 (en) | 2008-07-10 | 2009-04-16 | Cleaner |
Country Status (4)
Country | Link |
---|---|
US (1) | US20100005611A1 (en) |
KR (1) | KR20100006787A (en) |
AU (1) | AU2009201295B2 (en) |
GB (1) | GB2461606B (en) |
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Also Published As
Publication number | Publication date |
---|---|
GB0906260D0 (en) | 2009-05-20 |
GB2461606B (en) | 2012-07-25 |
AU2009201295A1 (en) | 2010-01-28 |
AU2009201295B2 (en) | 2014-07-03 |
KR20100006787A (en) | 2010-01-21 |
GB2461606A (en) | 2010-01-13 |
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