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
  • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
  • A47L9/106—Dust removal
  • A47L9/108—Dust compression means

Definitions

• Embodiments relates to a vacuum cleaner.
• vacuum cleaners are used for sucking air and filtering dust from the air using a suction motor installed in a main body.
• a vacuum cleaner includes a suction nozzle for sucking air and dust, a main body connected to the suction nozzle, an extension conduit for guiding air from the suction nozzle toward the main body, and a connection conduit connected between the extension conduit and the main body.
• a nozzle inlet having a predetermined size is formed on a lower portion of the suction nozzle for easily sucking air and dust from a floor.
• a dust collector is detachably attached to the main body for collecting dust separated from air.
• the dust collector separates dust from air sucked through the suction nozzle and stores the separated dust. Disclosure of Invention Technical Problem
• Embodiments provide a vacuum cleaner including a dust collector having an increased dust collecting capacity by compressing dust.
• Embodiments also provide a vacuum cleaner in which dust can be removed from a dust collector without scattering the dust.
• a vacuum cleaner including: a main body; a dust collector detachably attached to the main body and including a dust storage chamber; a pressing member compressing dust stored in the dust storage chamber; and a driving unit disposed at the dust collector for actuating the pressing member.
• a vacuum cleaner including: a dust separation unit; a dust collection body in which a dust storage chamber is disposed for storing dust separated by the dust separation unit; a pressing member compressing dust stored in the dust storage chamber; a driving unit coupled to the dust collection body and actuating the pressing member; and a main body to which the dust collection body is detachably attached.
• a vacuum cleaner including: a dust separation unit; a dust collection body in which a dust storage chamber is disposed for storing dust separated by the dust separation unit; a pressing member compressing dust stored in the dust storage chamber; and a driving unit disposed at the dust separation unit for actuating the pressing member.
• a vacuum cleaner including: a dust separation unit; a dust collector in which a dust storage chamber is disposed for storing dust separated by the dust separation unit; a pressing member compressing dust stored in the dust storage chamber; and a driving unit disposed at an upper side of the dust storage chamber for actuating the pressing member.
• a vacuum cleaner including: a dust collector including a dust separation unit and a dust storage chamber; a pressing member at the dust storage chamber for compressing dust stored in the dust storage chamber; a driving unit disposed at the dust collector for actuating the pressing member; and a terminal part connected to the driving unit, the terminal part transmitting power to the driving unit when connected to a power supply.
• the pressing member compresses dust stored in the dust collector so that the dust collecting capacity of the dust collector can be increased.
• the dust collecting capacity of the dust collect can be increased by compressing dust using the pressing member, the bothering job of removing dust from the dust collector can be performed less frequently.
• the driving unit for actuating the pressing member can be detachably attached to the dust collector. Therefore, when cleaning the dust collector, the driving unit can be detached from the dust collector for protecting the driving unit from permeation of water.
• the driving unit can be easily repaired and replaced with a new one.
• Fig. 1 is a perspective view illustrating a vacuum cleaner according to a first embodiment.
• Fig. 2 is a perspective view illustrating the vacuum cleaner when a dust collector is detached from the vacuum cleaner.
• Fig. 3 is a perspective view illustrating the dust collector according to the first embodiment.
• Fig. 4 is a sectional view taken along line I-I' of Fig. 3.
• Fig. 5 is a perspective view illustrating a dust collector mount according to the first embodiment.
• Fig. 6 is a vertical sectional view illustrating the vacuum cleaner according to the first embodiment.
• Fig. 7 is a vertical sectional view illustrating a dust collector according to a second embodiment.
• Fig. 8 is a sectional view taken along line II-II' of Fig. 7.
• Fig. 9 is a vertical sectional view illustrating a dust collector according to a third embodiment.
• Fig. 10 is a perspective view illustrating a vacuum cleaner when a dust collector is detached from the vacuum cleaner according to a fourth embodiment.
• Fig. 11 is an exploded perspective view illustrating the dust collector according to the fourth embodiment.
• Fig. 12 is a sectional view taken along line III- HF of Fig. 10.
• Fig. 13 is a perspective view illustrating a vacuum cleaner when a dust collector is detached from the vacuum cleaner according to a fifth embodiment.
• Fig. 14 is a perspective view illustrating the dust collector when a cover member is detached from the dust collector according to the fifth embodiment.
• Fig. 15 is a vertical sectional view illustrating the dust collector according to the fifth embodiment.
• Fig. 16 is a bottom view illustrating the dust collector according to the fifth embodiment.
• Fig. 17 is a sectional view illustrating an upper structure of a dust collector mount of a main body of the vacuum cleaner according to the fifth embodiment.
• Fig. 14 is a perspective view illustrating the dust collector when a cover member is detached from the dust collector according to the fifth embodiment.
• Fig. 15 is a vertical sectional view illustrating the dust collector according to the fifth embodiment.
• Fig. 16 is a bottom view illustrating the dust collector according to the fifth embodiment.
• Fig. 17 is a sectional view illustrating an upper structure of a dust collector mount of
• Fig. 19 is a sectional view illustrating a coupling structure between a dust collector and a driving unit according to a sixth embodiment.
• Fig. 1 is a perspective view illustrating a vacuum cleaner 10 according to a first embodiment
• Fig. 2 is a perspective view illustrating the vacuum cleaner 10 when a dust collector 200 is detached from the vacuum cleaner 10
• Fig. 3 is a perspective view illustrating the dust collector 200 according to the first embodiment.
• the vacuum cleaner 10 of the current embodiment includes a main body 100 and a dust separation unit.
• a suction motor (not shown) is disposed in the main body 100 for generating a suction force.
• the dust separation unit separates dust from air sucked into the main body 100.
• the vacuum cleaner 10 further includes a suction nozzle (not shown) for sucking air and dust and a connection unit (not shown) for connecting the suction nozzle to the main body 100.
• a suction nozzle for sucking air and dust
• a connection unit for connecting the suction nozzle to the main body 100.
• detailed descriptions of the suction nozzle and the connection unit will be omitted since the suction nozzle and the connection unit have similar or the same structures as those of the related art.
• the main body 100 includes a main body inlet 110, a main body outlet (not shown), and main body grip 140.
• the main body inlet 110 is formed in a front lower portion of the main body 100, and air and dust sucked using the suction nozzle are introduced into the main body 100 through the main body inlet 110. After dust is separated from air, the air is discharged from the main body 100 through the main body outlet.
• the main body grip 140 is formed on an upper portion of the main body 100 so that a user can easily carry the vacuum cleaner 10 using the main body grip 140.
• the dust separation unit includes a dust collector 200 and a second cyclone unit 300.
• the dust collector 200 includes a first cyclone unit 230 (refer to Fig. 4) for primarily separating dust from air, and the second cyclone unit 300 is disposed in the main body 100 for secondly separating dust from the air.
• the dust collector 200 is detachably attached to a dust collector mount 170 formed at a front portion of the main body 100.
• a hook lever 142 is disposed at the main body grip 140, and a hook tap 256 corresponding to the hook lever 142 is formed on the dust collector 200.
• the first cyclone unit 230 of the dust collector 200 generates a cyclone for separating dust from air.
• the dust collector 200 further includes a dust collection body 210 in which a dust storage chamber is formed. Dust separated from air by the first cyclone unit 230 is stored in the dust storage chamber of the dust collection body 210.
• the dust collector 200 can be detachably installed in the main body 100.
• the dust collector 200 communicates with the second cyclone unit 300 of the main body 100.
• an air outlet 130 is formed in the main body 100, and a first air inlet 218 is formed in the dust collector 200. Air sucked into the main body 100 is discharged to the dust collector 200 through the air outlet 130 and the first air inlet 218.
• a first air outlet 252 is formed in the dust collector 200 for discharging air from the dust collector 200 after dust is primarily separated from the air by the first cyclone unit 230 of the dust collector 200, and a connection passage 114 is formed in the main body 100 for receiving the air discharged from the dust collector 200 through the first air outlet 252.
• Air introduced into the main body 100 through the connection passage 114 is directed to the second cyclone unit 300.
• the second cyclone unit 300 includes a plurality of conical cyclones that are connected to each other. Dust separated from air by the second cyclone unit 300 is stored in the dust collector 200.
• a dust inlet 254 is formed in the dust collector 200 to receive dust separated by the second cyclone unit 300, and then the dust is stored in the dust storage chamber of the dust collection body 210.
• the dust storage chamber of the dust collection body 210 is divided into a first dust storage chamber 214 (refer to Fig. 4) and a second dust storage chamber 216 (refer to Fig. 4). Dust separated by the first cyclone unit 230 of the dust collector 200 is stored in the first dust storage chamber 214, and dust separated by the second cyclone unit 300 is stored in the second dust storage chamber 216.
• the dust collector 200 has a structure for reducing the volume of dust stored in the dust storage chamber.
• Fig. 4 is a sectional view taken along line I-I' of Fig. 3
• Fig. 5 is a perspective view illustrating the dust collector mount 170 according to the first embodiment.
• the dust collector 200 includes the dust collection body
• the first cyclone unit 230 detachably attached to the inside of the dust collection body 210 for separating dust from sucked air, and a cover member 250 for selectively covering the top of the dust collection body 210.
• the dust storage chamber is formed in the dust collection body 210 for storing dust separated from air.
• the dust storage chamber includes the first dust storage chamber 214 for storing dust separated by the first cyclone unit 230 of the dust collector 200, and the second dust storage chamber 216 for storing dust separated by the second cyclone unit 300.
• the dust collection body 210 includes a first wall 211 for forming the first dust storage chamber 214 and a second wall 212 for forming the second dust storage chamber 216 in association with the first wall 211.
• the second wall 212 is formed around a portion of the first wall 211 such that the second dust storage chamber 216 is formed around the first dust storage chamber 214.
• the first cyclone unit 230 includes a dust guide passage 232 for easily discharging dust separated from air to the first dust storage chamber 214. Dust is introduced into the dust guide passage 232 in a tangential direction and is discharged downward from the dust guide passage 232.
• an inlet 233 of the dust guide passage 232 is formed at a lateral portion of the first cyclone unit 230, and an outlet 234 of the dust guide passage 232 is formed at a lower portion of the first cyclone unit 230.
• the cover member 250 is detachably attached to a top portion of the dust collection body 210.
• the first dust storage chamber 214 and the second dust storage chamber 216 can be both opened using the cover member 250.
• the first cyclone unit 230 is coupled to a lower portion of the cover member 250.
• the cover member 250 includes a discharge hole 251 in a lower portion for discharging air from the first cyclone unit 230 after dust is separated from the air.
• a filter member 260 is attached to the lower portion of the cover member 250.
• the filter member 260 includes a plurality of penetration holes 262 in an outer surface. Therefore, air is discharged from the first cyclone unit 230 through the filter member 260 and the discharge hole 251 after dust is separated from the air in the first cyclone unit 230.
• the cover member 250 further includes a passage 253 for guiding air discharged from the first cyclone unit 230 through the discharge hole 251 toward the first air outlet 252. That is, the passage 253 is formed between the discharge hole 251 and the first air outlet 252.
• a pair of pressing members 270 and 280 is disposed in the dust collection body 210 for compressing dust stored in the first dust storage chamber 214.
• the pressing members 270 and 280 interlock with each other to compress dust for reducing the volume of the dust.
• the density of dust stored in the first dust storage chamber 214 can increase owing to the pressing members 270 and 280, and thus the dust collecting capacity of the dust collection body 210 can increase.
• the pressing member 270 will be also referred to as a first pressing member, and the pressing member 280 will be also referred to as a second pressing member for clarity.
• At least one of the pressing members 270 and 280 is rotatable in the dust collection body 210 so as to compress dust disposed between the pressing members 270 and 280.
• the pressing members 270 and 280 when the pressing members 270 and 280 are rotatable in the dust collection body 210, the pressing members 270 and 280 can be rotated toward each other to reduce the distance between the pressing members 270 and 280 for compressing dust disposed between the pressing members 270 and 280.
• the first pressing member 270 is rotatable in the dust collection body 210, and the second pressing member 280 is fixed to the inside of the dust collection body 210. That is, the first pressing member 270 is a rotatable member, and the second pressing member 280 is a fixed member.
• the second pressing member 280 can be disposed between a rotation shaft
• the shaft 271 is a rotation center of the first pressing member 270.
• the second pressing member 280 can be disposed on a plane defined between an inner surface of the first dust storage chamber 214 and a centerline of the rotation shaft 272.
• the second pressing member 280 can partially or completely screen the space between the inner surface of the first dust storage chamber 214 and the rotation shaft 272.
• the second pressing member 280 is used together with the first pressing member 270 for compressing dust by rotating the first pressing member 270.
• One side of the second pressing member 280 can be formed integral with the inner surface of the dust collection body 210, and the other side of the second pressing member 280 can be formed integral with a fixed shaft 282 that is coaxial with the rotation shaft 272.
• only one side of the second pressing member 280 can be formed integral with the inner surface of the dust collection body 210, or only the other side of the second pressing member 280 can be formed integral with the fixed shaft 282. That is, the second pressing member 280 is fixed to at least one of the inner surface of the dust collection body 210 and the fixed shaft 282.
• the side of the second pressing member 280 may be close to the inner surface of the dust collection body 210.
• the other side of the second pressing member 280 is not integral with the fixed shaft 282, the other side of the second pressing member 280 may be close to the fixed shaft 282.
• the pressing members 270 and 280 include rectangular plates, and the rotation shaft
• the 272 of the first pressing member 270 may be coaxial with a centerline of the dust collection body 210.
• the fixed shaft 282 extends upward from a bottom surface of the dust collection body 210 and includes a hole 283 formed in an axial direction for coupling with the rotation shaft 272.
• the rotation shaft 272 can be coupled to the fixed shaft 282 by inserting a portion of the rotation shaft 272 into the hole 283 from the top of the hole 283.
• the dust collector 200 can further include a driving unit
• the driving unit 400 is detachably attached to a predetermined portion of the dust collector 200.
• the driving unit 400 can be detachably attached to a lower portion of the dust collector 200.
• the driving unit 400 is connected to the first pressing member 270.
• the driving unit 400 Since the driving unit 400 is attached to the dust collector 200, the driving unit 400 can be removed from the main body 100 by detaching the dust collector 200 from the main body 100.
• the driving unit 400 includes a compression motor 410 for generating a driving force, a driving gear 430 for transmitting the driving force from the compression motor 410 to the first pressing member 270, and a motor housing 420 for accommodating the compression motor 410.
• the motor housing 420 is coupled to a coupling rib 290 formed on a lower portion of the dust collection body 210.
• a coupling protrusion 422 is formed on an outer surface of the motor housing 420, and a protrusion insertion hole 292 is formed in the coupling rib 290 for receiving the coupling protrusion 422.
• the driving gear 430 is coupled to a shaft 412 of the compression motor 410.
• the driving gear 430 is connected to a lower portion of the rotation shaft 272.
• a gear coupling portion 273 corresponding to the driving gear 430 is formed on the lower portion of the rotation shaft 272.
• the driving gear 430 functions as a power transmission member.
• a terminal part 424 is formed at a side of the motor housing 420 and is connected to the compression motor 410.
• the terminal part 424 is connected to a power supply terminal 174 formed on the dust collector mount 170. Therefore, power can be supplied to the compression motor 410 from the main body 100.
• power can be supplied to the compression motor 410 when the dust collector 200 is attached to the dust collector mount 170.
• the main body 100 functions as a power supply unit for the compression motor 410.
• the compression motor 410 can rotate in a reverse direction. That is, the compression motor 410 may be a bidirectional motor capable of rotating in both directions.
• the first pressing member 270 can be rotated forwardly and backwardly. Therefore, compressed dust can be deposited on both sides of the second pressing member 280 by rotating the first pressing member 270 forwardly and backwardly.
• a bidirectional synchronous motor can be used as the compression motor 410.
• the synchronous motor can rotate in both directions without using an additional mechanism.
• a force applied to the synchronous motor increases to a set value during rotation of the synchronous motor, the synchronous motor rotates in a reverse direction.
• the synchronous motor is well kwon to those of skill in the related art. Thus, a detailed description of the synchronous motor will be omitted.
• the compression motor 410 may continuously rotate the first pressing member 270 forward and backward at a predetermined angular velocity for facilitating compression of dust.
• the dust collector mount 170 is formed on the main body 100 for receiving the dust collector 200.
• a mount recess 172 is formed in the dust collector mount 170 for receiving the driving unit 400 when the dust collector 200 is mounted on the dust collector mount 170.
• the power supply terminal 174 is formed at the mount recess 172 for selective connection to the terminal part 424 of the driving unit 400.
• FIG. 6 is a vertical sectional view illustrating the vacuum cleaner 10 according to the first embodiment.
• the dust collector 200 is coupled to the main body 100 of the vacuum cleaner 10 at a predetermined angle.
• the bottom of the dust collector 200 makes a predetermined angle with a plane extending from a front side of the main body 100 to a rear side of the main body 100.
• the second pressing member 280 formed in the dust collection body 210 is close to the main body 100. That is, the second pressing member 280 is disposed in a region of the first dust storage chamber 214 from which dust starts to settle.
• the dust collector 200 is first mounted on the dust collector mount 170. Then, the terminal part 424 of the driving unit 400 can be connected to the power supply terminal 174 of the dust collector mount 170. Thus, power can be supplied to the driving unit 400 from the main body 100 of the vacuum cleaner 10.
• the suction motor (not shown) operates to generate a suction force. Owing to the suction force generated by the suction motor, air and dust can be sucked through the suction nozzle (not shown). The air and dust is guided to the main body 100 through the main body inlet 110 and passes through a predetermined passage. Then, the air and dust enter the dust collector 200.
• the air and dust swirl down along the inner surface of the first cyclone unit 230. While swirling down in the first cyclone unit 230, the air and the dust are separated since different centrifugal forces are applied to the air and the dust due to different specific gravities.
• the air passes through the penetration holes 262 of the filter member 260 and is discharged from the dust collector 200 through the discharge hole 251 and the first air outlet 252.
• the dust is separated from the air while swirling down in the first cyclone unit 230 and enters the dust guide passage 232 in a tangential direction.
• the moving direction of the dust is changed.
• the dust is discharged downward through the outlet 234 to the first dust storage chamber 214.
• the air is introduced into the second cyclone unit 300 through a second air inlet (not shown) connected to an end of the connection passage 114 in a tangential direction of the inner surface of the second cyclone unit 300.
• a second air inlet (not shown) connected to an end of the connection passage 114 in a tangential direction of the inner surface of the second cyclone unit 300.
• dust is secondly separated from the air.
• the dust secondly separated from the air by the second cyclone unit 300 is directed to the dust collector 200 through the dust inlet 254 and is accumulated in the second dust storage chamber 216.
• the driving unit 400 rotates the first pressing member 270 to compress dust settled in the first dust storage chamber 214.
• the first pressing member 270 compresses dust stored in the first dust storage chamber 214 while rotating in both directions.
• dust can be compressed using the pressing members 270 and 280 to increase the dust collecting capacity of the dust collector 200. Furthermore, since dust is compressed in the dust collector 200, the possibility of floating or scattering of the dust reduces, and thus the dust can be easily removed from the dust collector 200.
• the dust collector 200 can be washed after detaching the driving unit 400 for protecting the driving unit 400 from water permeation.
• Fig. 7 is a vertical sectional view illustrating a dust collector 500 according to a second embodiment
• Fig. 8 is a sectional view taken along line II-II' of Fig. 7.
• a driving unit 600 is attached to a sidewall of the dust collector 500.
• the dust collector 500 includes a cylindrical dust collection body 510 in which a dust storage chamber 511 is formed, and a pressing member 550 coupled to a sidewall of the dust collection body 510.
• the dust collection body 510 includes a mount rib 512 on which a rotation shaft 552 of the pressing member 550 is placed.
• the mount rib 512 extends inwardly from the sidewall of the dust collection body 510.
• the mount rib 512 can have a semicircular shape, and the rotation shaft 552 includes a mount groove 555 for receiving the mount rib 512.
• the centerline of the rotation shaft 552 of the pressing member 550 makes a predetermined angle with a vertical line of the dust collection body 510.
• the centerline of the rotation shaft 552 can be perpendicular to the vertical line of the dust collection body 510.
• the rotation shaft 552 of the pressing member 550 can be horizontally disposed in the dust collection body 510.
• the pressing member 550 rotates vertically on the horizontal rotation shaft 552.
• the rotation shaft 552 placed on the mount rib 512 is inserted through the sidewall of the dust collection body 510.
• a motor shaft 612 of a compression motor 610 is coupled to an end of the rotation shaft 552 inserted through the sidewall of the dust collection body 510.
• the motor shaft 612 of the compression motor 610 can be inserted through the sidewall of the dust collection body 510 and then be coupled to the rotation shaft 552.
• the pressing member 550 includes a semi-circular pressing plate 554. Since the dust collection body 510 has a cylindrical shape, dust stored in the dust collection body 510 can be effectively compressed using the semi-circular pressing plate 554.
• the shape of the pressing plate 554 can be changed according to the horizontal section of the dust collection body 510.
• the pressing plate 554 can be formed into a rectangular shape.
• a compartment rib 514 is protruded from a bottom surface of the dust collection body 510 to divide the dust storage chamber 511.
• the compartment rib 514 is formed under the rotation shaft 552.
• the driving unit 600 includes a motor housing 620 and the compression motor 610.
• the motor housing 620 is coupled to the sidewall of the dust collection body 510, and the compression motor 610 is disposed in the motor housing 620.
• the motor shaft 612 of the compression motor 610 is coupled to the rotation shaft 552.
• a terminal part 662 is formed at the motor housing 620 for supplying power to the compression motor 610.
• the structure for supplying power to the compression motor 610 through the terminal part 662 is the same as that described in the first embodiment. Thus, a description thereof will be omitted.
• the compression motor 610 When the compression motor 610 is powered on, the compression motor 610 rotates in a predetermined direction. Then, the pressing member 550 connected to the compression motor 610 is rotated in a predetermined direction (e.g., clockwise in Fig. 8). In this case, a space between the pressing member 550 and a right bottom surface of the dust storage chamber 511 is narrowed such that dust stored at the right side of the compartment rib 514 is compressed.
• a predetermined direction e.g., clockwise in Fig. 8
• the compression motor 610 rotates reversely. Then, the pressing member 550 is rotated counterclockwise as shown in Fig. 8. In this case, a space between the pressing member 550 and a left bottom surface of the dust storage chamber 511 is narrowed such that dust stored at the left side of the compartment rib 514 is compressed.
• the bottom surface of the dust storage chamber 511 functions as a fixed pressing member for compressing dust in interlocking with the pressing member 550. That is, although a fixed pressing member such as the second pressing member 280 of the first embodiment is not used in the current embodiment, dust can be effectively compressed since the bottom surface of the dust storage chamber 511 functions as a fixed pressing member.
• dust stored in the dust storage chamber 511 may be not mixed while the dust is compressed by the pressing member 550.
• FIG. 9 is a vertical sectional view illustrating a dust collector 700 according to a third embodiment.
• the dust collector 700 of the current embodiment includes a dust collection body 710, a compartment portion 711, and a cover member 730.
• the dust collection body 710 forms the exterior of the dust collector 700.
• the compartment wall 711 divides the inside area of the dust collection body 710 into a dust separation chamber 712 and a dust storage chamber 714.
• the cover member 730 is coupled to a top portion of the dust collection body 710.
• a pressing member 750 is disposed in the dust storage chamber 714 to compress dust stored in the dust storage chamber 714.
• the pressing member 750 is connected to a driving unit 800 attached to a sidewall of the dust collection body 710.
• a suction hole 715 is formed in a lower side of the compartment wall 711 to allow air to flow into the dust separation chamber 712. That is, air is introduced into the dust separation chamber 712 from a lower side.
• An air discharge hole 717 is formed in a bottom center portion of the dust separation chamber 712 to discharge air after dust is separated from the air.
• a discharge pipe 716 having a predetermined height is disposed at the air discharge hole 717.
• the discharge pipe 716 is vertically disposed in the dust separation chamber 712 such that air can be discharged from the dust separation chamber 712 in a direction parallel to a vertical centerline of the dust collection body 710.
• a discharge passage 718 is formed under the dust separation chamber 712. Air discharged from the dust separation chamber 712 flows through the discharge passage 718.
• a spiral flow guide 719 is disposed in the dust separation chamber 712 around the discharge pipe 716.
• a transportation passage 713 is formed between the compartment wall 711 and the cover member 730 to allow dust separated at the dust separation chamber 712 to flow to the dust storage chamber 714.
• a mount rib 720 is formed on an inner surface of the dust storage chamber 714.
• a rotation shaft 752 of the pressing member 750 is placed on the mount rib 720.
• the mount rib 720 can have a semi-circular shape.
• a mount groove 755 is formed in the rotation shaft 752 for receiving the mount rib 720.
• the centerline of the rotation shaft 752 of the pressing member 750 makes a predetermined angle with a vertical line of the dust storage chamber 714.
• the centerline of the rotation shaft 752 can be perpendicular to the vertical line of the dust storage chamber 714.
• the rotation shaft 752 of the pressing member 750 can be horizontally disposed in the dust storage chamber 714.
• the rotation shaft 752 placed on the mount rib 720 is inserted through the sidewall of the dust collection body 710.
• a motor shaft 822 of a compression motor 820 is coupled to an end of the rotation shaft 752 inserted through the sidewall of the dust collection body 710.
• the pressing member 750 includes a rectangular pressing plate 754.
• a compartment rib 721 is protruded from a bottom surface of the dust collection body 710 to divide the dust storage chamber 714.
• the compartment rib 721 is parallel with the rotation shaft 752.
• the driving unit 800 includes a motor housing 810 and the compression motor 820.
• the motor housing 810 is coupled to the sidewall of the dust collection body 710, and the compression motor 820 is disposed in the motor housing 810.
• the motor shaft 822 of the compression motor 820 is coupled to the rotation shaft 752.
• a terminal part 812 is formed at the motor housing 810 for supplying power to the compression motor 820.
• the structure for supplying power to the compression motor 820 through the terminal part 812 is the same as that described in the first embodiment. Thus, a detailed description thereof will be omitted.
• the bottom surface of the dust storage chamber 714 functions as a fixed pressing member for compressing dust in interlocking with the pressing member 750. That is, although a fixed pressing member such as the second pressing member 280 of the first embodiment is not used in the current embodiment, dust can be effectively compressed since the bottom surface of the dust storage chamber 714 functions as a fixed pressing member.
• FIG. 10 is a perspective view illustrating a vacuum cleaner 900 when a dust collector 1000 is detached from the vacuum cleaner 900 according to a fourth embodiment
• Fig. 11 is an exploded perspective view illustrating the dust collector 1000 according to the fourth embodiment
• Fig. 12 is a sectional view taken along line III-IIF of Fig. 10.
• the vacuum cleaner 900 of the current embodiment includes a main body 910 and the dust collector 1000.
• a suction motor (not shown) is disposed in the main body 910.
• the dust collector 1000 separates dust from sucked air and stores the separated dust.
• a main body inlet 920 is formed in a front lower portion of the main body
• Air and dust sucked through a suction nozzle are introduced into the main body 910 through the main body inlet 920.
• a main body outlet 930 is formed at a side of the main body 910 for discharging air from the main body 910 after dust is separated from the air.
• a dust collector mount 940 is formed above the main body inlet 920 for receiving the dust collector 1000, and an air outlet 950 is formed at a predetermined side of the dust collector mount 940 for allowing air introduced into the main body 910 through the main body inlet 920 to flow into the dust collector 1000.
• the dust collector 1000 includes a dust separation unit 1010 for separating dust from sucked air, a dust collection body 1050 detachably coupled to the dust separation unit 1010 for storing the dust separated by the dust separation unit 1010, and an upper cover 1030 coupled to a top portion of the dust separation unit 1010.
• the dust separation unit 1010 includes a cylindrical cyclone part 1011 for separating dust from sucked air using a cyclone. That is, the cyclone part 1011 separates air and dust by swirling the air and the dust to apply different centrifugal forces to the air and the dust.
• An inlet 1012 is formed at an upper portion of the cyclone part 1011 for introducing air and dust into the cyclone part 1011.
• the inlet 1012 formed in a tangential direction of the cyclone part 1011 to generate a cyclone in the cyclone part 1011.
• a discharge hole 1032 is formed in a center portion of the upper cover
• a filter member 1040 is attached to a rear side of the upper cover 1030.
• the filter member 1040 includes a plurality of penetration holes 1042 in an outer surface for discharging air from the cyclone part 1011.
• air is discharged from the cyclone part 1011 through the filter member 1040 and the discharge hole 1032 after dust is separated from the air in the cyclone part 1011.
• a dust outlet 1018 is formed in a lower side of the dust separation unit 1010 for discharging separated dust.
• the dust collection body 1050 is coupled to a lower side of the dust separation unit 1010.
• a dust storage chamber 1055 is formed in the dust collection body 1050 for storing dust separated by the dust separation unit 1010.
• the dust separation unit 1010 and the dust collection body 1050 can be easily handled and carried using the grips 1013 and 1051.
• the dust collector 1000 has a hook structure for coupling the dust separation unit
• a hook ring 1014 can be formed on a lower outer surface of the dust separation unit 1010, and a hook latch 1053 corresponding to the hook ring 1014 can be formed on an upper outer surface of the dust collection body 1050.
• First and second pressing members 1060 and 1070 are disposed in the dust collector
• the first pressing member 1060 is coupled to a lower side of the dust separation unit 1010, and the second pressing member 1070 is formed inside the dust collection body 1050.
• the first pressing member 1060 is rotated by a driving unit (described later in detail) for pressing dust against both sides of the second pressing member 1070.
• the driving unit is disposed in the dust separation unit 1010 and connected to the first pressing member 1060.
• the driving unit includes a compression motor 1100 for generating a driving force and a driving gear 1110 for transmitting the driving force of the compression motor 1100 to the first pressing member 1060.
• the compression motor 1100 is disposed in a motor accommodation part 1016 formed at a lower portion of the dust separation unit 1010. After the compression motor 1100 is disposed in the motor accommodation part 1016, a cover member 1020 closes the lower portion of the dust separation unit 1010.
• the cover member 1020 is detachably coupled to the lower portion of the dust separation unit 1010 so that the compression motor 1100 can be easily repaired or replaced with a new one.
• the cover member 1020 includes an opening 1022 to allow dust to fall from the dust outlet 1018 to the dust collection body 1050.
• the driving gear 1110 is connected between a motor shaft 1102 of the compression motor 1100 and a rotation shaft 1062 of the first pressing member 1060. That is, the driving gear 1110 functions as a power transmission member.
• a gear joint portion 1063 is formed at an end of the rotation shaft 1062.
• the gear joint portion 1063 has a shape corresponding to the driving gear 1110.
• a terminal part 1124 is formed at a side portion of the dust separation unit 1010.
• the terminal part 1124 is connected to the compression motor 1100 through a connector 1122.
• the terminal part 1124 is connected to a power supply terminal 942 formed at the dust collector mount 940.
• the dust collector 1000 compresses dust in the same manner as those described in the previous embodiments. Thus, a detailed description thereof will be omitted.
• the dust separation unit 1010 and the dust collection body 1050 are detachably coupled to each other, and the compression motor 1100 is disposed at the dust separation unit 1010. In this case, the weight of the dust collection body 1050 can be reduced so that dust stored in the dust collection body 1050 can be easily removed.
• FIG. 13 is a perspective view illustrating a vacuum cleaner 1200 when a dust collector 1300 is detached from the vacuum cleaner 1200 according to a fifth embodiment.
• the vacuum cleaner 1200 of the current embodiment includes a main body 1210 and the dust collector 1300.
• a suction motor (not shown) is disposed in the main body 1210 for generating a suction force.
• the dust collector 1300 separates dust from air sucked into the main body 1210 and stores the separated dust.
• the vacuum cleaner 1200 further includes a suction nozzle 1214 for sucking air and dust, a handle 1211 for handling the suction nozzle 1214, an extension pipe 1212 for connecting the suction nozzle 1214 and the handle 1211, and a connection hose 1213 for connecting the handle 1211 and the main body 1210.
• a main body inlet 1217 is formed in a front lower portion of the main body 1210 for introducing air and dust sucked through the suction nozzle 1214 into the main body 1210. Air and dust introduced through the main body inlet 1217 is directed to the dust collector 1300 for separating the dust from the air.
• a dust collector mount 1216 is formed at the main body 1210 for receiving the dust collector 1300.
• An air outlet 1218 is formed in a bottom surface of the dust collector mount 1216 to allow air and dust introduced into the main body 1210 through the main body inlet 1217 to flow to the dust collector 1300.
• the dust collector 1300 includes a dust collection body 1310 in which a dust storage chamber is formed, and a cover member 1330 for selectively closing and opening the top of the dust collection body 1310.
• a driving unit 1400 is disposed at the cover member 1330 for driving a pressing member (described later in detail) to compress dust stored in the dust storage chamber of the dust collection body 1310.
• a guide 1219 is formed at the main body 1210 for guiding the driving unit 1400 when the dust collector 1300 is mounted on the main body 1210.
• Fig. 14 is a perspective view illustrating the dust collector 1300 when the cover member 1330 is detached from the dust collector 1300 according to the fifth embodiment
• Fig. 15 is a vertical sectional view illustrating the dust collector 1300 according to the fifth embodiment
• Fig. 16 is a bottom view illustrating the dust collector 1300 according to the fifth embodiment.
• the dust collector 1300 of the current embodiment includes the dust collection body 1310 forming the exterior of the dust collector 1300, a cyclone part 1321 disposed in the dust collection body 1310 for separating dust from sucked dust, and the cover member 1330 for selectively opening and closing the top of the dust collection body 1310.
• the dust collection body 1310 can have a cylindrical shape.
• the cyclone part 1321 is formed at a center portion of the dust collection body 1310, and a dust storage chamber 1322 is formed in the dust collection body 1310 around the cyclone part 1321.
• the dust collection body 1310 includes an outer wall 1311, an inner wall 1313, and a bottom wall 1312 to form the dust storage chamber 1322.
• the cyclone part 1321 is a part in which dust is separated from air by a centrifugal force.
• the cyclone part 1321 is formed by the inner wall 1313 and the bottom wall 1312.
• the inner wall 1313 may be lower than the outer wall 1311.
• a connection passage (P) can be formed to allow movement of separated dust from the cyclone part 1321 to the dust storage chamber 1322.
• An inlet 1314 is formed in the bottom wall 1312 of the cyclone part 1321 to introduce air and dust introduced into the cyclone part 1321.
• An air outlet 1316 is formed in a center portion of the bottom wall 1312 of the cyclone part 1321 to discharge air from the cyclone part 1321 after dust is separated from the air, and a discharge pipe 1315 having a predetermined height is welded or bonded to the air outlet 1316.
• An air inlet 1220 (refer to Fig. 13) corresponding to the air outlet 1316 is formed at the dust collector mount 1216 for introducing air discharged from the dust collector
• the discharge pipe 1315 is vertically disposed in the cyclone part 1321 such that air can be discharged from the dust collection body 1310 in a direction parallel to the centerline of the dust collection body 1310 after dust is separated from the air.
• the discharge pipe 1315 is lower than the inner wall 1313. In this case, air can be smoothly discharged through the discharge pipe 1315 after dust is separated from the air.
• the discharge pipe 1315 can be formed integrally with the bottom wall 1312 by molding.
• the discharge pipe 1315 can have various shapes such as a rectangular shape and a triangular shape, including a circular shape.
• the flow guide 1323 can extend from the bottom wall 1312 of the dust collection body 1310. Alternatively, the flow guide 1323 can be prepared as a separate part and then be welded or bonded to the bottom wall 1312. [197] Meanwhile, since the dust storage chamber 1322 is formed around the cyclone part
• the structure of the dust collection body 1310 can be simple and neat.
• a plurality of pressing members is included in the dust collector 1300 to compress dust stored in the dust storage chamber 1322 for increasing the dust collecting capacity of the dust collector 1300.
• the pressing members include a first pressing member 1440 and a second pressing member 1450.
• the first pressing member 1440 is rotatably disposed in the dust storage chamber 1322, and the second pressing member 1450 is fixedly disposed in the dust storage chamber 1322.
• the driving unit 1400 rotates the first pressing member 1440.
• the driving unit 1400 is coupled to the top of the cover member 1330, and a rotatable member 1430 is disposed at the bottom of the cover member 1330.
• the first pressing member 1440 is formed on the rotatable member 1430.
• the rotatable member 1430 is connected to the driving unit 1400 through a coupling part 1432.
• the driving unit 1400 includes a compression motor 1420 and a motor housing 1410 in which the compression motor 1420 is disposed.
• the motor housing 1410 is coupled to coupling ribs 1332 formed on the top of the cover member 1330.
• Coupling tabs 1412 are formed on an outer surface of the motor housing 1410, and tab insertion holes 1333 are formed in the coupling ribs 1332 for selectively receiving the coupling tabs 1412.
• a terminal part 1414 is formed at a side of the compression motor 410 and is connected to the compression motor 1420.
• the terminal part 1414 is connected to a power supply terminal 1221 (refer to Fig. 17) formed at the dust collector mount 1216.
• the first pressing member 1440 extends downward from the rotatable member 1430 to a predetermined length.
• the first pressing member 1440 is spaced apart from a rotation centerline of the rotatable member 1430.
• a plurality of first pressing members 1440 can be provided.
• the first pressing member 1440 may have a width smaller than the distance between the inner wall 1313 and the outer wall 1311 of the dust collection body 1310 so as to be disposed in the dust storage chamber 1322 of the dust collection body 1310 when the cover member 1330 is coupled to the dust collection body 1310.
• the second pressing member 1450 extends upward from the bottom wall 1312 to a predetermined height and is located between the inner wall 1313 and the outer wall
• the second pressing member 1450 can be formed integrally with the inner wall 1313 or the outer wall 1311. A plurality of second pressing member 1450 can be provided. In this case, the number of the second pressing members 1450 may correspond to the number of the first pressing members 1440.
• the first pressing member 1440 can extend downward close to the bottom wall
• the second pressing member 1450 can extend upward close to the cover member 1330. In this case, dust can be effectively compressed by interaction between the first and second pressing members 1440 and 1450.
• first and second pressing members 1440 and 1450 can be shaped to increase an overlapping area between the first and second pressing members 1440 and 1450 is
• connection passage (P) is formed between the cover member 1330 and the dust collection body 1310 to connect the cyclone part 1321 and the dust storage chamber 1322.
• a backflow restriction part 1434 is formed on the bottom surface of the rotatable member 1430 to screen a portion of the connection passage (P).
• the backflow restriction part 1434 has a circular shape and is located inside the first pressing member 1440.
• the height of the backflow restriction part 1434 is smaller than the width of the connection passage (P) such that the backflow restriction part 1434 can screen the connection passage (P) partially to form a ring-shaped auxiliary passage (Pl). Dust separated at the cyclone part 1321 can be discharged downward to the dust storage chamber 1322 through the auxiliary passage (Pl).
• the backflow restriction part 1434 has an outer diameter greater than that of the cyclone part 1321. Therefore, dust separated from air and moving in the direction of arrow (A) can be guided by the backflow restriction part 1434 down to the dust storage chamber 1322, but to the cyclone part 1321, through the auxiliary passage (Pl) as indicated by arrow (C).
• Fig. 17 is a sectional view illustrating an upper structure of the dust collector mount
• the dust collector mount 1216 is formed at the main body 1210 for receiving the dust collector 1300.
• the guide 1219 is formed in the dust collector mount 1216 in a front- to-back direction to guide the dust collector 1300 when the dust collector 1300 is mounted on the dust collector mount 1216 of the main body 1210.
• the power supply terminal 1221 is formed at a rear portion of the dust collector mount 1216.
• the power supply terminal 1221 can be selectively connected to the terminal part 1414 of the driving unit 1400.
• the power supply terminal 1221 is connected to a power supply (not shown) through a connection line 1222.
• Fig. 18 is a view for explaining how dust is compressed by the pressing members
• the dust collector 1300 is mounted on the dust collector mount 1216. Then, the terminal part 1414 of the driving unit 1400 is connected to the power supply terminal 1221 of the dust collector mount 1216.
• the suction motor (not shown) is powered on for sucking air and dust into the cyclone part 1321 through the inlet 1314.
• the air and the dust can swirl upward to the cover member 1330 owing the flow guide 1323.
• connection passage (P) While the air and the dust swirl upward, the dust is separated from the air by a centrifugal force and is discharged from the cyclone part 1321 through the connection passage (P).
• the driving unit 1400 rotates the first pressing member 1440 to compress dust stored in the dust storage chamber 1322.
• the compression motor 1420 rotates the rotatable member 1430. Then, the first pressing member 1440 is rotated together with the rotatable member 1430 in a predetermined direction to compress dust.
• the first pressing member 1440 compresses the dust
• a reaction force is applied to the first pressing member 1440. If the reaction force reaches or exceeds a preset value, the rotation of the compression motor 1420 is reversed. In this case, the first pressing member 1440 rotates in a reverse direction to compress the other side dust. In this way, the first pressing member 1440 compresses dust stored in the dust storage chamber 1322 while rotating in both directions.
• the compression motor 1420 stops when the suction motor stops.
• the vacuum cleaner is characterized in that dust stored in the dust collector is compressed using the driving unit. That is, dust can be separated from air using a structure different from those described in the embodiments, and the dust collector can have a structure different from those described in the embodiments without departing from the spirit and scope of the present disclosure.
• Fig. 19 is a sectional view illustrating a coupling structure between a dust collector
• the dust collector 1600 of the current embodiment includes a dust collection body 1610 and a cover member 1620 selectively coupled to an upper side of the dust collection body 1610.
• the dust collection body 1610 of the current embodiment has the same structure as the dust collection body 1310 of the fifth embodiment. Thus, a detailed description thereof will be omitted.
• the driving unit 1700 of the current embodiment includes a compression motor
• the power transmission members transmit a driving force of the compression motor 1710 to a first pressing member 1640.
• the power transmission members include a driving gear 1720 and a driven gear
• the driven gear 1730 is coupled to the first pressing member 1640, and the driving gear 1720 transmits power to the driven gear 1730.
• the driving gear 1720 is coupled to a motor shaft 1712 of the compression motor 1710 such that the driving gear 1720 can be rotated by the compression motor 1710.
• a rotatable member 1630 is coupled to a bottom surface of the cover member 1620, and the first pressing member 1640 is formed on the rotatable member 1630.
• the rotatable member 1630 includes a coupling part 1632 extending upward through the cover member 1620.
• a spindle 1732 of the driven gear 1730 is coupled to the coupling part 1632.
• a support rib 1622 is formed on the top of the cover member 1620 for supporting the driven gear 1730 and spacing the driven gear 1730 apart from the top of the cover member 1620.
• a dust collector mount 1510 is formed at a cleaner main body 1500, and the dust collector 1600 is mounted on the dust collector mount 1510.
• the compression motor 1710 is disposed at the dust collector mount 1510, and the driving gear 1720 coupled to the compression motor 1710 is partially exposed to the dust collector mount 1510 from the cleaner main body 1500.
• an opening 1520 is formed in the cleaner main body 1500 for partially exposing the periphery of the driving gear 1720 toward the dust collector mount 1510.
• the driven gear 1730 is disposed at the top of the dust collector
• dust stored in the dust collector is compressed by the pressing member so that the dust collecting capacity of the dust collector can be increased.
• the industrilal applicability of the vacuum cleaner is high.

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• 2007
  • 2007-11-15 EP EP07834065.0A patent/EP2164376B1/de not_active Not-in-force
  • 2007-11-15 WO PCT/KR2007/005759 patent/WO2009011478A1/en active Application Filing
  • 2007-11-15 AU AU2007356554A patent/AU2007356554B2/en not_active Ceased
  • 2007-11-15 RU RU2009143355/12A patent/RU2428916C2/ru not_active IP Right Cessation

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