WO2015025471A1 - 集塵装置 - Google Patents
集塵装置 Download PDFInfo
- Publication number
- WO2015025471A1 WO2015025471A1 PCT/JP2014/003922 JP2014003922W WO2015025471A1 WO 2015025471 A1 WO2015025471 A1 WO 2015025471A1 JP 2014003922 W JP2014003922 W JP 2014003922W WO 2015025471 A1 WO2015025471 A1 WO 2015025471A1
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- WIPO (PCT)
- Prior art keywords
- dust
- connection
- wall
- end portion
- dust collector
- Prior art date
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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
- A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
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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
- 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
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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
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/24—Hoses or pipes; Hose or pipe couplings
- A47L9/248—Parts, details or accessories of hoses or pipes
Definitions
- the present invention relates to a dust collector for collecting dust.
- Patent document 1 discloses the dust collector which attracts
- the dust collector may fall down if the object collides with the dust collector. This makes the cleaning operation inefficient.
- This invention aims at providing the dust collector which can contribute to efficiency improvement of the cleaning work.
- a dust collector collects dust, a housing that defines an internal space in which dust is accumulated, and a first inlet that allows the dust to flow into the internal space.
- a dust collecting mechanism a proximal end connected to the housing, and a distal end opposite to the proximal end, and guides an air flow from the distal end toward the proximal end A hose.
- the housing includes a first connection portion to which the proximal end portion is connected, a second connection portion to which the distal end portion is connected, a holding portion that holds the hose, and a bottom portion that is grounded to a floor surface, A ceiling wall portion opposite to the bottom portion, and a peripheral wall portion defining the internal space between the bottom portion and the ceiling wall portion.
- the first connection part is formed on the top wall part or the peripheral wall part.
- the second connection part is formed at the rear of the housing with respect to the first connection part.
- the tip portion is removable from the second connection portion.
- the hose held by the holding part flows in from the air flow and the first inlet along a reference plane that passes through the first connection part, the second connection part, and the center of gravity of the dust collecting mechanism. The dust is guided.
- a dust collector includes a housing that defines an internal space in which dust is accumulated and a first inlet that allows the dust to flow into the internal space, and the dust.
- a dust collecting mechanism for collecting, a proximal end connected to the housing, and a distal end opposite to the proximal end, and guiding an air flow from the distal end toward the proximal end And a hose to be provided.
- the housing includes a first connection portion to which the proximal end portion is connected, a second connection portion to which the distal end portion is connected, a holding portion that holds the hose, and a bottom portion that is grounded to a floor surface, A ceiling wall portion opposite to the bottom portion, and a peripheral wall portion defining the internal space between the bottom portion and the ceiling wall portion.
- the first connection part is formed on the top wall part or the peripheral wall part.
- the second connection part is formed at the rear of the housing with respect to the first connection part.
- the tip portion is removable from the second connection portion.
- the hose held by the holding part flows in from the air flow and the first inlet along a reference plane that passes through the first connection part, the second connection part, and the center of gravity of the dust collecting mechanism. The dust is guided.
- the peripheral wall portion includes a front wall portion that defines the first inflow port in cooperation with the floor surface.
- the dust collecting mechanism includes an internal duct including an inflow end portion that defines a second inflow port that opens toward the first inflow port, and a connection end portion that is coupled to the distal end portion.
- the internal duct is disposed along the reference plane.
- the dust collector according to the present invention can contribute to the efficiency of the cleaning work.
- FIG. 3 is a schematic right side view of the dust collector shown in FIG. 2.
- FIG. 4B is a schematic sectional view taken along line AA shown in FIG. 4A.
- FIG. 3 is a schematic rear view of the dust collector shown in FIG. 2.
- FIG. 3 is a schematic front view of the dust collector shown in FIG. 2.
- FIG. 6B is a schematic sectional view taken along line AA shown in FIG. 6A.
- FIG. 3 is a schematic cross-sectional view of the dust collector shown in FIG. 2. It is a schematic perspective view of the internal duct of the dust collector shown in FIG. It is a schematic perspective view of the bellows pipe
- FIG. 3 is a schematic perspective view of the dust collector shown in FIG. 2.
- FIG. 3 is a schematic perspective view of the dust collector shown in FIG. 2. It is a schematic perspective view of the dust collection unit of the dust collector shown in FIG. It is a schematic perspective view of the holding box of the dust collection unit shown in FIG. It is a schematic perspective view of the dust collection unit shown by FIG.
- FIG. 1 is a conceptual diagram showing the design principle of the dust collector 100 of the first embodiment.
- the dust collector 100 is demonstrated with reference to FIG.
- the solid line arrow shown by FIG. 1 represents the flow of air.
- the dust collector 100 includes a housing 200, a dust collection mechanism 300, a hose 400, and a holding unit 500.
- the housing 200 defines an internal space 201 in which dust is accumulated.
- the dust collection mechanism 300 is disposed in the internal space 201.
- the dust collection mechanism 300 collects dust using an airflow.
- the housing 200 defines an inflow port 202 that allows inflow of dust into the internal space 201.
- the dust collection mechanism 300 reduces the atmospheric pressure in the air flow path such as the hose 400 and sucks dust from the inflow port 202. Dust enters the internal space 201 from the inlet 202 and passes through the dust collection mechanism 300. Thereafter, the dust flows out of the housing 200 through the hose 400 and flows into the internal space 201 again. The dust is finally collected by the dust collecting mechanism 300.
- the inflow port 202 is illustrated as a 1st inflow port.
- the hose 400 includes a downstream end 410 located downstream in the air flow, and an upstream end 420 opposite to the downstream end 410.
- the housing 200 includes a first connection part 210 connected to the downstream end 410 and a second connection part 220 connected to the upstream end 420.
- the hose 400 guides the airflow from the upstream end 420 toward the downstream end 410.
- the downstream end 410 is exemplified as the proximal end portion.
- the upstream end 420 is exemplified as the tip portion.
- the upstream end 420 can be detached from the second connection part 220. If the user removes the upstream end 420 from the second connection part 220, dust is sucked from the upstream end 420. If the user connects the upstream end 420 to the second connection part 220, dust is sucked from the inlet 202 as described above. As shown in FIG. 1, the holding unit 500 holds the hose 400 while the upstream end 420 is connected to the second connection unit 220.
- FIG. 1 shows the center of gravity GC of the dust collection mechanism 300.
- the position of the second connection part 220 is determined so as to overlap with a virtual plane passing through the center of gravity GC and the first connection part 210.
- the hose 400 can guide the airflow and the dust flowing in from the inlet 202 along a virtual plane.
- the dust collection mechanism 300 can be constructed using a suction fan or other device that generates an air flow, but it is easy to design the dust collection mechanism 300 so that the center of gravity GC is located substantially in the center in the internal space 201 in the horizontal direction. is there.
- the virtual plane is exemplified as the reference plane.
- the positions of the first connection part 210 and the second connection part 220 are formed at appropriate positions on the reference plane.
- the first connection part 210 may be formed on the top wall part on the opposite side to the part (that is, the bottom part) of the casing that is grounded to the floor surface.
- the first connection part 210 may be formed on the peripheral wall part that defines the internal space 201 between the bottom part and the top wall part.
- the second connection part 220 may be formed at a position behind the housing 200 relative to the first connection part 210 in the reference plane.
- the directional term “front” used in the present embodiment may mean the opening direction of the inflow port 202.
- the directional term “backward” may mean a direction opposite to the opening direction of the inlet 202.
- the user can move the hose 400 to remove dust from the area around the dust collector 100. At this time, the user may pull the hose 400. The tension applied to the hose 400 may act to cause the housing 200 to fall.
- the first connecting portion 210 to which the downstream end 410 of the hose 400 is connected is located on the same plane as the center of gravity GC. Properties are less likely to occur.
- the dust collector 100 allows the user to select the suction of dust from the inlet 202 and the suction of dust from the upstream end 420. For example, if the user wishes to remove dust from the edge of the mop, the user may choose to suck dust from the inlet 202. If the user moves the mop around the inlet 202, the dust adhering to the hair tip of the mop is efficiently removed. If the user wishes to remove dust from the central area of the mop, the user may choose to suck dust from the upstream end 420. If the user brings the upstream end 420 close to the center area of the mop, the dust adhering to the center area of the mop is efficiently sucked. In addition, the user can move the upstream end 420 of the hose 400 to efficiently collect dust scattered around the dust collector 100 during the process of removing dust from the mop.
- the dust collector 100 can be used for purposes other than removing dust from a mop. For example, if the user brings the inflow port 202 close to dust collected with a scissors, the dust collector 100 serves as a dustpan.
- the principle of this embodiment is not limited by the usage application of the dust collector 100.
- Second Embodiment An exemplary dust collector constructed on the basis of the design principles described in connection with the first embodiment will be described. Various dust collectors can be constructed based on the design principle of the first embodiment. Therefore, the detailed structure, shape, and dimensions shown using the dust collector of the second embodiment do not limit the principle of the dust collector.
- FIG. 2 is a schematic perspective view of the dust collector 100A of the second embodiment.
- the dust collector 100A will be described with reference to FIGS. 1 and 2.
- the dust collector 100A includes a housing 200A and a bellows tube 400A. As in the first embodiment, the housing 200A accommodates a mechanism for sucking and collecting dust.
- the bellows pipe 400A corresponds to the hose 400 described in relation to the first embodiment.
- the casing 200A surrounds a bottom 230 that is grounded to the floor, a top wall 240 on the opposite side of the bottom 230, and a mechanism for sucking and collecting dust between the bottom 230 and the top wall 240.
- the top wall portion 240 includes a substantially cylindrical upper connection portion 210A.
- Bellows tube 400A includes a base end portion 410A.
- the base end portion 410A is rotatably inserted into the upper connection portion 210A. Therefore, the base end portion 410A can rotate around an axis substantially perpendicular to the floor surface.
- the upper connecting portion 210A corresponds to the first connecting portion 210 described in relation to the first embodiment.
- the housing 200A includes an arch-shaped holding arm 500A extending upward from the top wall 240.
- the holding arm 500A holds the bellows tube 400A.
- the holding arm 500A corresponds to the holding unit 500 described in the context of the first embodiment.
- FIG. 2 shows virtual parallel planes PP1 and PP2.
- the parallel planes PP1 and PP2 are drawn so as to be in contact with the substantially cylindrical upper connection portion 210A.
- the parallel plane PP2 is parallel to the parallel plane PP1.
- the bellows pipe 400A held by the holding arm 500A guides the airflow toward the base end 410A along the space between the parallel planes PP1 and PP2.
- the mechanism for sucking and collecting dust is designed so that the center of gravity of the mechanism for sucking and collecting dust is located between the parallel planes PP1 and PP2.
- a vertical plane VP is drawn between the parallel planes PP1 and PP2.
- the vertical plane VP is perpendicular to the floor surface on which the housing 200A is placed.
- the center of gravity of the mechanism for sucking and collecting dust is on the vertical plane VP.
- the vertical plane VP corresponds to the virtual plane described in connection with the first embodiment.
- the vertical plane VP passes through the center of the flow path of the air flowing through the bellows pipe 400A held by the holding arm 500A.
- the vertical plane may be set at a position offset from the center of the flow path.
- the housing 200A has a symmetrical shape with respect to the vertical plane VP. Note that the term “symmetric” does not mean mathematically perfect “symmetric”. If the housing 200A looks generally symmetrical with respect to the vertical plane VP, the housing 200A is symmetrical with respect to the vertical plane VP.
- the peripheral wall portion 250 includes a front wall portion 251 and a rear wall portion 252 on the opposite side of the front wall portion 251.
- the housing 200 ⁇ / b> A includes a front outer shell piece 260, a rear outer shell piece 270, an upper outer shell piece 280, and a lower outer shell piece 290.
- the front outer shell piece 260 mainly forms the front wall portion 251.
- the rear outer shell piece 270 mainly forms the rear wall portion 252.
- the upper outer shell piece 280 is connected to the upper edges of the front outer shell piece 260 and the rear outer shell piece 270.
- the lower outer shell piece 290 mainly forms the bottom portion 230.
- the lower outer shell piece 290 forms a lower part of the front wall part 251 and a lower part of the rear wall part 252.
- the dust collector 100A includes a dust collection unit 310.
- the dust collection unit 310 is inserted into the housing 200 ⁇ / b> A and exposed on the front wall portion 251.
- the air flowing into the housing 200A through the bellows pipe 400A passes through the dust collection unit 310.
- the dust collection unit 310 removes dust from the air. As a result, the dust is accumulated in the dust collection unit 310. Therefore, the dust collection unit 310 bears a part of the function of the dust collection mechanism 300 described in relation to the first embodiment.
- FIG. 3A is a schematic perspective view of the front outer shell piece 260.
- FIG. 3B is another schematic perspective view of the front outer shell piece 260.
- the front outer shell piece 260 will be described with reference to FIGS. 1 to 3B.
- the front outer shell piece 260 includes a main wall portion 261 that forms part of the front wall portion 251 and a cylindrical chamber wall 262 that protrudes from the main wall portion 261 toward the rear outer shell piece 270.
- the chamber wall 262 defines an accommodation space 263 for accommodating the dust collection unit 310.
- the accommodation space 263 corresponds to a part of the internal space 201 described in relation to the first embodiment.
- the chamber wall 262 includes a lower wall 264, an upper wall 265, a right wall 266, a left wall 267, and a rear wall 268.
- the lower wall 264 is located below the dust collection unit 310.
- the upper wall 265 is located between the dust collection unit 310 and the upper outer shell piece 280.
- the right wall 266 is located on the right side of the dust collection unit 310.
- the left wall 267 is located on the left side of the dust collection unit 310.
- the rear wall 268 faces the rear outer shell piece 270.
- An opening 269 is formed in the upper wall 265.
- the air that flows into the housing 200A through the bellows pipe 400A passes through the opening 269. Thereafter, the air flows into the dust collection unit 310 inserted into the accommodation space 263.
- the dust collection unit 310 removes dust from the air.
- the front outer shell piece 260 further includes an upper partition plate 322 and a lower partition plate 323. Both the upper partition plate 322 and the lower partition plate 323 protrude from the main wall portion 261 toward the rear outer shell piece 270.
- a first space 331 is formed between the upper partition plate 322 and the lower wall 264.
- a second space 332 is formed between the upper partition plate 322 and the lower partition plate 323. The first space 331 and the second space 332 correspond to a part of the internal space 201 described in relation to the first embodiment.
- FIG. 4A is a schematic right side view of the dust collector 100A.
- 4B is a schematic cross-sectional view along the line AA shown in FIG. 4A.
- the dust collector 100A is further described with reference to FIGS. 1, 3A, 4A, and 4B.
- the dust collector 100A includes a suction fan 320 disposed in the first space 331 below the dust collection unit 310.
- An opening mesh portion 321 is formed on the lower wall 264 above the suction fan 320. Since air is sucked through the opening mesh portion 321 by the suction fan 320, the suction fan 320 can generate an air flow from the bellows pipe 400 ⁇ / b> A toward the dust collection unit 310. Therefore, the suction fan 320 plays a part of the function of the dust collection mechanism 300 described in relation to the first embodiment.
- the suction fan 320 is exemplified as an airflow generation unit.
- the dust collection unit 310 disposed between the upper connection portion 210A and the suction fan 320 removes and accumulates dust from the air.
- the dust collection unit 310 is exemplified as a dust collection unit.
- the suction fan 320 is heavier than the dust collection unit 310. Therefore, the center of gravity of the dust collection structure constructed by the dust collection unit 310 and the suction fan 320 is set near the floor surface F. As a result, the housing 200A is unlikely to fall down.
- FIG. 5 is a schematic rear view of the dust collector 100A.
- the dust collector 100A is further described with reference to FIG. 1, FIG. 4B, and FIG.
- the dust collector 100 ⁇ / b> A further includes a reel mechanism 340 disposed in the second space 332 below the suction fan 320.
- the reel mechanism 340 is used to transmit electric power to the suction fan 320.
- the suction fan 320 can be operated by the electric power transmitted by the reel mechanism 340. Therefore, the reel mechanism 340 bears a part of the function of the dust collection mechanism 300 described in relation to the first embodiment.
- the reel mechanism 340 is exemplified as the transmission unit.
- the reel mechanism 340 includes a plug 341, a cord 342, a rotary reel unit 343, and an operation button 344.
- the plug 341 is exposed from the rear outer shell piece 270 and connected to a power source (not shown).
- the cord 342 extends from the plug 341 and is wound around the reel portion 343. If the user uses the dust collector 100 ⁇ / b> A at a position away from the power supply, the cord 342 is unwound from the reel unit 343.
- the reel unit 343 rotates and winds up the cord 342.
- the reel mechanism 340 is heavier than the dust collection unit 310. Therefore, the center of gravity of the dust collection structure constructed by the dust collection unit 310, the suction fan 320, and the reel mechanism 340 is set near the floor surface F. As a result, the housing 200A is unlikely to fall down.
- the peripheral wall portion 250 defines an accommodation space 263, a first space 331, and a second space 332 between the bottom portion 230 and the top wall portion 240.
- the dust collection unit 310 is disposed in the accommodation space 263.
- the suction fan 320 is disposed in the first space 331.
- the reel mechanism 340 is disposed in the second space 332.
- the dust collection unit 310 in the accommodation space 263, the suction fan 320 in the first space 331, and the reel mechanism 340 in the second space 332 are substantially symmetrical with respect to the vertical plane VP in terms of shape and weight.
- FIG. 6A is a schematic front view of the dust collector 100A.
- 6B is a schematic cross-sectional view along the line AA shown in FIG. 6A.
- the dust collector 100A is described with reference to FIGS. 3B, 6A, and 6B.
- the rear outer shell piece 270 forming the rear wall portion 252 includes a corner outer shell 271 and an exhaust wall 272.
- the corner outer shell 271 has a curved contour symmetric with respect to the vertical plane VP, and bends in a direction opposite to the front wall portion 251.
- the exhaust wall 272 includes a right exhaust wall 273, a left exhaust wall 274, and a half cylinder wall 275.
- the right exhaust wall 273 is disposed to the right of the corner outer shell 271.
- the left exhaust wall 274 is disposed on the left of the corner outer shell 271.
- the half cylinder wall 275 is disposed between the right exhaust wall 273 and the left exhaust wall 274.
- the front outer shell piece 260 includes a cylindrical wall 324.
- the cylindrical wall 324 protrudes downward from the lower wall 264.
- the cylindrical wall 324 surrounds the suction fan 320.
- a discharge port 325 is formed in the cylindrical wall 324. The discharge port 325 opens toward the front outer shell piece 260.
- a large number of exhaust holes 276 are formed in the right exhaust wall 273. Similar to the right exhaust wall 273, the left exhaust wall 274 is also formed with a number of exhaust holes 277.
- the air sucked by the suction fan 320 through the bellows pipe 400A is blown out from the discharge port 325. Since the dust collection unit 310 exists between the bellows pipe 400 ⁇ / b> A and the suction fan 320, dust is removed from the air blown out from the discharge port 325.
- the right half of the right exhaust wall 273 and the corner outer shell 271 draw a contour approaching the vertical plane VP from the right end of the front outer shell piece 260.
- the left half of the left exhaust wall 274 and the corner outer shell 271 also draws a contour that approaches the vertical plane VP from the left end of the front outer shell piece 260.
- the angle ⁇ defined by these contours is an acute angle.
- the angle ⁇ may be set to about 60 °.
- one of the right exhaust wall 273 and the left exhaust wall 274 is exemplified as the first wall portion.
- the other of the right exhaust wall 273 and the left exhaust wall 274 is exemplified as the second wall portion.
- the right exhaust wall 273 is exemplified as the first wall portion
- the right half of the corner outer shell 271 is exemplified as the first wall portion
- the left half of the corner outer shell 271 is defined as the second wall portion.
- the right exhaust wall 273 is exemplified as the second wall portion
- the right half of the corner outer shell 271 is exemplified as the second wall portion
- the left half of the corner outer shell 271 is designated as the first wall portion.
- the angle ⁇ is exemplified as the included angle.
- connection space 334 is used for connection between the bellows pipe 400A and the housing 200A.
- the connection space 334 is exemplified as a corner portion.
- FIG. 7 is a schematic cross-sectional view of the dust collector 100A along the vertical plane VP.
- the dust collector 100A will be described with reference to FIGS. 1, 4A, 5 and 7.
- FIG. 7 is a schematic cross-sectional view of the dust collector 100A along the vertical plane VP.
- the dust collector 100A will be described with reference to FIGS. 1, 4A, 5 and 7.
- FIG. 7 is a schematic cross-sectional view of the dust collector 100A along the vertical plane VP.
- the exhaust wall 272 forming the peripheral wall portion 250 includes an inclined wall 278 that is inclined downward from the top wall portion 240 toward the upper end of the corner outer shell 271.
- the holding arm 500 ⁇ / b> A extends upward from the top wall portion 240, then curves downward, and is connected to the inclined wall 278.
- the bellows tube 400A includes a distal end portion 420A opposite to the proximal end portion 410A.
- the tip portion 420A corresponds to the upstream end 420 described in the context of the first embodiment.
- the upper ends of the inclined wall 278 and the corner outer shell 271 form a lower connecting portion 220A that opens upward.
- the lower connection part 220A is used for connection between the tip part 420A and the housing 200A.
- the lower connection part 220A corresponds to the second connection part 220 described in relation to the first embodiment.
- the dust collector 100A further includes an internal duct 350 that defines an L-shaped flow path. While the holding arm 500A holds the bellows pipe 400A, the air outside the housing 200A flows into the bellows pipe 400A through the internal duct 350. Similar to the bellows pipe 400A held by the holding arm 500A, the internal duct 350 is arranged along the vertical plane VP. The internal duct 350 corresponds to a part of the dust collection mechanism 300 described in relation to the first embodiment.
- FIG. 8 is a schematic perspective view of the internal duct 350.
- a dust collector 100A will be described with reference to FIGS. 6A to 8.
- the front wall portion 251 includes a lower end edge 253 spaced from the floor surface F.
- an outer inflow port 202A that allows air outside the housing 200A to flow into the housing 200A is formed between the lower edge 253 and the floor surface F.
- the outer inflow port 202A corresponds to the inflow port 202 described in relation to the first embodiment.
- the outer inlet 202A is exemplified as the first inlet.
- the outer inflow port 202A is a slit extending along the floor surface F. Therefore, the dust collector 100 ⁇ / b> A can suck air and dust from a wide area in front of the front wall portion 251. For example, if the user places a mop near the outer inlet 202A, dust will be efficiently removed from the mop.
- the internal duct 350 includes a horizontal duct 351 and an upright duct 352.
- the horizontal duct 351 guides the flow of air flowing in from the outer inflow port 202A along the floor surface F.
- the upright duct 352 bends upward from the downstream end of the horizontal duct 351 and extends along the connection space 334 (see FIG. 6B).
- the upper end of the upright duct 352 is inserted into the tip portion 420A of the bellows pipe 400A.
- the horizontal duct 351 is exemplified as the first duct.
- the horizontal duct 351 includes an opening end 355 that defines an inner inlet 354 that opens toward the outer inlet 202A.
- the inner inlet 354 is exemplified as the second inlet.
- Open end 355 is illustrated as an inflow end.
- the air that has flowed into the casing 200 ⁇ / b> A from the outer inlet 202 ⁇ / b> A is introduced into the horizontal duct 351 through the inner inlet 354. Thereafter, air flows from the horizontal duct 351 to the upright duct 352.
- the upright duct 352 guides to the tip 420A of the bellows tube 400A.
- the upright duct 352 is exemplified as the second duct.
- the upper end of the upright duct 352 is exemplified as the connection end.
- the horizontal duct 351 defines a tapered flow path that narrows from the open end 355 toward the lower end of the upright duct 352. Therefore, the internal duct 350 can appropriately guide the air and dust flowing in from the outer inflow port 202A to the bellows pipe 400A.
- the internal duct 350 includes a separation piece 356.
- the separation piece 356 is disposed at a bent portion between the horizontal duct 351 and the upright duct 352.
- the separation piece 356 is separable from other parts of the inner duct 350.
- FIG. 9 is a schematic perspective view of the bellows tube 400A.
- the bellows tube 400A will be described with reference to FIGS.
- the bellows tube 400A includes a telescopic tube 430 extending from the distal end portion 420A to the proximal end portion 410A.
- the tip portion 420A of the bellows tube 400A includes a fixed tube 421 and a tip tube 422.
- the fixed cylinder 421 meshes with the outer surface of the telescopic tube 430.
- the tip tube 422 is connected to the fixed tube 421.
- a leak hole 423 is formed in the tip tube 422.
- the telescopic tube 430 and the tip tube 422 are exemplified as tube walls.
- the dust collector 100A includes an attachment member 600 that is attached to the tip portion 420A of the bellows tube 400A.
- the attachment member 600 includes an attachment cylinder 610 and a flange portion 620.
- the fixed cylinder 421 and the tip cylinder 422 are fitted into the mounting cylinder 610.
- the collar portion 620 extends along the telescopic tube 430.
- the attachment cylinder 610 is illustrated as a cylinder part.
- the collar portion 620 includes a tip portion 622 in which an opening 621 is formed. While the telescopic tube 430 can be deformed, the collar portion 620 hardly deforms. Therefore, while the bellows tube 400A is connected to the lower connection portion 220A and the expansion / contraction tube 430 is curved along the holding arm 500A, the distal end portion 622 is separated from the expansion / contraction tube 430. Since the user can easily grasp the tip portion 622, the user can remove the bellows tube 400A from the lower connection portion 220A. In this embodiment, the front-end
- FIG. 10 is a schematic perspective view of the dust collector 100A.
- the dust collector 100A is described with reference to FIG. 7, FIG. 9, and FIG.
- the user can remove the tip portion 420A of the bellows tube 400A from the lower connection portion 220A. Since the base end portion 410A of the bellows tube 400A is rotatably attached to the upper connection portion 210A, the user can freely move the bellows tube 400A around the upper connection portion 210A. During this time, the bellows tube 400A can be freely bent to the side opposite to the flange portion 620. Therefore, the user can bend the bellows tube 400A and remove dust from various regions.
- a communication hole 611 is formed in the mounting cylinder 610 of the mounting member 600.
- the communication hole 611 communicates with the leak hole 423. Therefore, when the user removes the tip portion 420A of the bellows pipe 400A from the lower connection portion 220A, the communication hole 611 and the leak hole 423 are opened.
- the suction fan 320 is designed to achieve a high suction force. If the user removes the tip portion 420A of the bellows pipe 400A from the lower connection portion 220A in the absence of the leak hole 423 and the communication hole 611, an excessively high suction force is generated at the tip portion 420A. If the user brings the tip 420A where an excessively high suction force is generated close to the mop, the tip 420A may not move smoothly.
- the leak hole 423 and the communication hole 611 prevent an excessively high suction force from being generated at the tip portion 420A of the bellows pipe 400A removed from the lower connection portion 220A. Therefore, the user can move the bellows tube 400A smoothly and perform the cleaning operation efficiently.
- FIG. 11 is a schematic perspective view of the dust collector 100A.
- FIG. 12 is a schematic perspective view of the dust collection unit 310. A dust collector 100A will be described with reference to FIGS. 11 and 12.
- a substantially rectangular insertion port 311 is formed in the front outer shell piece 260.
- the user can insert the dust collection unit 310 into the insertion port 311.
- the user can also pull out the dust collection unit 310 from the insertion port 311 as necessary.
- the dust collection unit 310 includes a holding box 370 and a dust collection bag 380.
- the holding box 370 holds the dust collection bag 380. If necessary, the user can separate the dust bag 380 from the holding box 370.
- FIG. 13 is a schematic perspective view of the holding box 370.
- the dust collection unit 310 will be described with reference to FIGS. 11 to 13.
- the holding box 370 includes a main plate 371 and a holding frame 372.
- Main plate 371 includes an outer surface 373.
- the outer surface 373 is substantially flush with the front outer shell piece 260.
- a recess 374 is formed in the outer surface 373.
- Main plate 371 includes a knob 375 disposed in recess 374. The user may hold the knob 375 and pull out the dust collection unit 310 from the housing 200A or insert it into the housing 200A.
- the holding frame 372 protrudes from the main plate 371 toward the rear outer shell piece 270.
- the holding frame 372 includes an upper plate 376, a lower plate 377, a right plate 378, and a left plate 379.
- the lower plate 377 is adjacent to the lower wall 264 in which the opening mesh portion 321 is formed.
- the lower plate 377 is formed with a mesh region 391 that communicates with the opening mesh portion 321.
- the right plate 378 is bent upward from the right edge of the lower plate 377.
- the left plate 379 bends upward from the left edge of the lower plate 377.
- the upper plate 376 extends between the upper edges of the right plate 378 and the left plate 379.
- the upper plate 376 includes a right rail portion 392 and a left rail portion 393.
- the right rail portion 392 and the left rail portion 393 extend from the main plate 371 toward the rear outer shell piece 270.
- an insertion space 394 for inserting the dust bag 380 is formed in the upper plate 376.
- the dust collection bag 380 includes a bag part 381 for collecting dust and a rectangular plate 382 having higher rigidity than the bag part 381.
- the right edge of the rectangular plate 382 meshes with the right rail portion 392.
- the left edge of the rectangular plate 382 meshes with the left rail portion 393.
- the user can separate the dust bag 380 from the holding box 370 by sliding the rectangular plate 382 along the right rail portion 392 and the left rail portion 393.
- FIG. 14 is a schematic perspective view of the dust collection unit 310.
- the dust collection unit 310 will be described with reference to FIGS. 4B, 11, and 14.
- An opening 383 is formed in the rectangular plate 382. While the dust collection unit 310 is accommodated in the housing 200A, the opening 383 faces the base end portion 410A of the bellows pipe 400A.
- the suction fan 320 When the suction fan 320 is activated, a downward air flow from the base end portion 410A of the bellows pipe 400A toward the suction fan 320 is generated. Dust and air flow into the bag portion 381 through the opening 383.
- the bag portion 381 captures dust while allowing passage of air. Accordingly, dust is accumulated in the bag portion 381.
- the unused bag portion 381 may be folded. As described above, since the bag portion 381 allows the downward airflow to pass therethrough, the bag portion 381 extends downward. Therefore, the volume for accumulating dust is automatically secured.
- the embodiment described above mainly includes the following configuration.
- the dust collector includes a housing that defines an internal space in which dust is accumulated and a first inlet that allows the dust to flow into the internal space, and the dust A dust collecting mechanism for collecting air, a base end connected to the housing, and a tip end opposite to the base end, and an air flow from the tip toward the base end And a hose for guiding.
- the housing includes a first connection portion to which the proximal end portion is connected, a second connection portion to which the distal end portion is connected, a holding portion that holds the hose, and a bottom portion that is grounded to a floor surface, A ceiling wall portion opposite to the bottom portion, and a peripheral wall portion defining the internal space between the bottom portion and the ceiling wall portion.
- the first connection part is formed on the top wall part or the peripheral wall part.
- the second connection part is formed at the rear of the housing with respect to the first connection part.
- the tip portion is removable from the second connection portion.
- the hose held by the holding part flows in from the air flow and the first inlet along a reference plane that passes through the first connection part, the second connection part, and the center of gravity of the dust collecting mechanism. The dust is guided.
- the user can collect dust through the first inflow port by connecting the tip of the hose to the second connection portion of the housing.
- the user can remove the tip of the hose from the second connection portion of the housing and collect dust through the tip of the hose. Therefore, the user can collect dust efficiently.
- the user may apply tension to the hose. Although the tension may act to cause the casing to fall, the center of gravity of the dust collection mechanism is on the reference plane, so that the casing is difficult to fall. Therefore, the user can efficiently collect dust through the tip of the hose.
- the hose guides the air flow and dust along the reference plane, so it is easy to design a flow path that is symmetric with respect to the reference plane. Become.
- the dust collection mechanism includes an air flow generation unit that generates the air flow, and a dust collection unit that removes and accumulates the dust from the air flow between the first connection unit and the air flow generation unit. But you can.
- the airflow generation unit may be heavier than the dust collection unit and disposed below the dust collection unit.
- the airflow generation unit heavier than the dust collection unit is disposed below the dust collection unit, the center of gravity exists near the floor surface on which the dust collection device is placed. Since the dust collecting device is difficult to fall, the user can efficiently collect the dust.
- the reference plane may be a vertical plane perpendicular to the floor surface on which the housing is placed.
- the housing may have a symmetrical shape with respect to the vertical plane.
- the casing since the casing has a symmetrical shape with respect to the vertical plane, the dust collector is unlikely to fall down. Therefore, the user can collect dust efficiently.
- the first connection part may be formed on the top wall part.
- the second connection portion may be formed on the peripheral wall portion.
- the first connection portion is formed on the top wall portion
- the second connection portion is formed on the peripheral wall portion, and therefore, along the vertical plane in the section from the tip portion to the airflow generation portion. A flow path will be established. Therefore, the dust collector can be easily designed such that a symmetrical suction balance is achieved with respect to the vertical plane.
- the holding portion may include an arch-shaped holding arm connected to the top wall portion and the peripheral wall portion.
- the hose is stably held by the arched holding arm.
- the user can grip the holding arm and lift, move or tilt the housing.
- the dust collector is designed under a weight balance symmetrical with respect to the vertical plane, and the holding arm extends along the vertical plane, so that the user can lift, move and tilt the casing. Such an operation can be easily performed.
- the holding arm may be curved downward after extending upward from the top wall and connected to the peripheral wall.
- the dust collector includes a housing that defines an internal space in which dust is accumulated and a first inlet that allows the dust to flow into the internal space, An air flow including a dust collecting mechanism for collecting dust, a base end connected to the housing, and a tip end opposite to the base end and directed from the tip toward the base end And a hose for guiding.
- the housing includes a first connection portion to which the proximal end portion is connected, a second connection portion to which the distal end portion is connected, a holding portion that holds the hose, and a bottom portion that is grounded to a floor surface, A ceiling wall portion opposite to the bottom portion, and a peripheral wall portion defining the internal space between the bottom portion and the ceiling wall portion.
- the first connection part is formed on the top wall part or the peripheral wall part.
- the second connection part is formed at the rear of the housing with respect to the first connection part.
- the tip portion is removable from the second connection portion.
- the hose held by the holding part flows in from the air flow and the first inlet along a reference plane that passes through the first connection part, the second connection part, and the center of gravity of the dust collecting mechanism.
- the dust is guided.
- the peripheral wall portion includes a front wall portion that defines the first inflow port in cooperation with the floor surface.
- the dust collecting mechanism includes an internal duct including an inflow end portion that defines a second inflow port that opens toward the first inflow port, and a connection end portion that is coupled to the distal end portion.
- the internal duct is disposed along the reference plane.
- the internal duct is disposed along the reference plane, the airflow from the first inlet to the airflow generation unit through the internal duct and the hose is along the reference plane. Therefore, a suction balance that is symmetrical with respect to the reference plane can be easily obtained.
- the internal duct is a first duct that guides the airflow along the floor surface, a second duct that bends upward from the first duct and guides the airflow toward the tip. And a duct.
- the first duct for guiding the air flow along the floor surface and the second duct bent upward from the first duct are disposed along the reference plane.
- the air flow toward the air flow generation unit through the hose is along the reference plane. Therefore, a suction balance that is symmetrical with respect to the reference plane can be easily obtained.
- the first inflow port may be a slit extending along the floor surface.
- the first duct may define a tapered flow path that narrows from the second inlet to the second duct.
- the dust collecting device can suck dust from a wide area on the floor surface. Since the first duct is arranged along the reference plane, a symmetric suction balance with respect to the reference plane can be easily obtained in a tapered flow path that narrows from the second inlet to the second duct. . Therefore, the suction balance at the slit is also likely to be symmetric with respect to the reference plane.
- the peripheral wall portion may include a rear wall portion that defines a corner portion that is bent in a direction opposite to the front wall portion.
- the second duct may be disposed at the corner portion.
- the corner portion may be formed on the reference plane.
- the dust collector since the corner portion is formed on the reference plane, the dust collector may be provided so that the corner portion matches the corner of the room. Since the second duct is disposed in the corner portion, the housing need not be expanded for the second duct.
- the rear wall portion may include a first wall portion and a second wall portion that defines the corner portion in cooperation with the first wall portion.
- An exhaust hole for exhausting air after being dust-removed by the dust collection mechanism may be formed in the first wall portion and the second wall portion.
- the included angle defined by the first wall portion and the second wall portion may be an acute angle.
- the included angle defined by the first wall portion and the second wall portion is an acute angle, at least one of the first wall portion and the second wall portion is from the wall surface of the room. Spaced apart. Therefore, air is appropriately exhausted from the housing through the exhaust hole.
- the base end portion may be rotatably attached to the first connection portion.
- the base end portion is rotatably attached to the first connection portion, the user rotates the hose around the first connection portion to efficiently remove dust from the area around the housing. Can be removed.
- the hose may include a tube wall that defines a flow path from the distal end portion to the proximal end portion.
- a leak hole may be formed in the tube wall. The second duct inserted at the tip may close the leak hole.
- the suction force generated by the airflow generation unit while the tip of the hose is connected to the second connection unit is reduced by the resistance of the internal duct.
- the leak hole is opened while the tip of the hose is separated from the second connection. During this time, the suction force generated by the airflow generation unit is reduced by the leak hole. Therefore, the difference between the suction force when sucking dust from the first inlet and the suction force when sucking dust from the tip of the hose is reduced.
- the dust collector may further include an attachment member attached to the tip portion.
- the attachment member may include a cylinder part fixed to the tip part and a flange part extending from the cylinder part along the tube wall.
- the flange portion may include a flange end that is separated from the tube wall while the hose is connected to the second connection portion.
- the hook end is separated from the tube wall while the hose is connected to the second connection portion, so that the user can easily hold the tip end and the tip end portion of the second connection portion. Can be separated from
- a communication hole communicating with the leak hole may be formed in the cylindrical portion.
- the leak hole is appropriately opened when the user separates the tip end portion from the second connection portion.
- the dust collector may further include a transmission unit for transmitting electric power for operating the airflow generation unit.
- the transmission unit may include a plug connected to a power source, a cord extending from the plug, and a reel unit for winding the cord in the internal space.
- the reel unit may be heavier than the dust collection unit and disposed below the dust collection unit.
- the reel portion heavier than the dust collection portion is disposed below the dust collection portion, so that the center of gravity exists near the floor surface on which the dust collection device is placed. Since the dust collecting device is difficult to fall, the user can efficiently collect the dust. In addition, the user can efficiently collect dust while moving the casing within a range determined by the cord.
- the dust collection unit may include a dust collection bag formed so as to expand and contract vertically.
- the dust bag is formed so as to be able to expand and contract in the vertical direction. Therefore, the dust is properly stored in the dust bag.
- the principle of this embodiment is suitably used for an apparatus used for cleaning work.
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- Filtering Of Dispersed Particles In Gases (AREA)
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Abstract
Description
第1実施形態に関連して、集塵装置の概略的な設計原理が説明される。
第1実施形態に関連して説明された設計原理に基づいて構築された例示的な集塵装置が説明される。尚、第1実施形態の設計原理に基づいて様々な集塵装置が構築可能である。したがって、第2実施形態の集塵装置を用いて示される詳細な構造、形状や寸法は、集塵装置の原理を何ら限定しない。
Claims (17)
- 塵埃が集積される内部空間と、前記内部空間への前記塵埃の流入を許容する第1流入口と、を規定する筐体と、
前記塵埃を集めるための集塵機構と、
前記筐体に接続される基端部と、前記基端部とは反対側の先端部と、を含み、且つ、前記先端部から前記基端部へ向かう気流を案内するホースと、を備え、
前記筐体は、前記基端部が接続される第1接続部と、前記先端部が接続される第2接続部と、前記ホースを保持する保持部と、床面に接地される底部と、前記底部とは反対側の天壁部と、前記底部と前記天壁部との間で前記内部空間を規定する周壁部と、を含み、
前記第1接続部は前記天壁部または前記周壁部に形成され、
前記第2接続部は前記第1接続部よりも筐体後方に形成され、
前記先端部は、前記第2接続部から取り外し可能であり、
前記保持部によって保持された前記ホースは、前記第1接続部と、前記第2接続部と、前記集塵機構の重心と、を通過する基準平面に沿って前記気流及び前記第1流入口から流入した前記塵埃を案内することを特徴とする集塵装置。 - 前記集塵機構は、前記気流を発生させる気流生成部と、前記第1接続部と前記気流生成部との間で前記気流から前記塵埃を除去並びに集積する集塵部と、を含み、
前記気流生成部は、前記集塵部よりも重く、且つ、前記集塵部よりも下方に配置されることを特徴とする請求項1に記載の集塵装置。 - 前記基準平面は、前記筐体が置かれる前記床面に対して垂直な垂直平面であり、
前記筐体は、前記垂直平面に対し、対称的な形状を有することを特徴とする請求項2に記載の集塵装置。 - 前記第1接続部は、前記天壁部に形成され、
前記第2接続部は、前記周壁部に形成されることを特徴とする請求項3に記載の集塵装置。 - 前記保持部は、前記天壁部と前記周壁部とに接続されるアーチ状の保持アームを含むことを特徴とする請求項4に記載の集塵装置。
- 前記保持アームは、前記天壁部から上方に延出した後に下方に湾曲し、前記周壁部に接続されることを特徴とする請求項5に記載の集塵装置。
- 塵埃が集積される内部空間と、前記内部空間への前記塵埃の流入を許容する第1流入口と、を規定する筐体と、
前記塵埃を集めるための集塵機構と、
前記筐体に接続される基端部と、前記基端部とは反対側の先端部と、を含み、且つ、前記先端部から前記基端部へ向かう気流を案内するホースと、を備え、
前記筐体は、前記基端部が接続される第1接続部と、前記先端部が接続される第2接続部と、前記ホースを保持する保持部と、床面に接地される底部と、前記底部とは反対側の天壁部と、前記底部と前記天壁部との間で前記内部空間を規定する周壁部と、を含み、
前記第1接続部は前記天壁部又は前記周壁部に形成され、
前記第2接続部は前記第1接続部よりも筐体後方に形成され、
前記先端部は、前記第2接続部から取り外し可能であり、
前記保持部によって保持された前記ホースは、前記第1接続部と、前記第2接続部と、前記集塵機構の重心と、を通過する基準平面に沿って前記気流及び前記第1流入口から流入した前記塵埃を案内し、
前記周壁部は、前記第1流入口を、前記床面と協働して規定する前壁部を含み、
前記集塵機構は、前記第1流入口に向かって開口した第2流入口を規定する流入端部と、前記先端部に連結される連結端部と、を含む内部ダクトと、を含み、
前記内部ダクトは、前記基準平面に沿って配置されることを特徴とする集塵装置。 - 前記内部ダクトは、前記床面に沿って前記気流を案内する第1ダクトと、前記第1ダクトから上方に屈曲し、且つ、前記先端部に向けて前記気流を案内する第2ダクトと、を含むことを特徴とする請求項7に記載の集塵装置。
- 前記第1流入口は、前記床面に沿って延びるスリットであり、
前記第1ダクトは、前記第2流入口から前記第2ダクトに向けて狭まるテーパ状の流路を規定することを特徴とする請求項8に記載の集塵装置。 - 前記周壁部は、前記前壁部とは反対方向に屈曲したコーナ部を規定する後壁部を含み、
前記第2ダクトは、前記コーナ部に配置され、
前記コーナ部は、前記基準平面上に形成されることを特徴する請求項8又は9に記載の集塵装置。 - 前記後壁部は、第1壁部と、前記コーナ部を前記第1壁部と協働して規定する第2壁部と、を含み、
前記第1壁部及び前記第2壁部には、前記集塵機構によって除塵された後の空気を排気するための排気穴が形成され、
前記第1壁部と前記第2壁部とによって規定される挟角は、鋭角であることを特徴とする請求項10に記載の集塵装置。 - 前記基端部は、前記第1接続部に回転可能に取り付けられることを特徴とする請求項8乃至11のいずれか1項に記載の集塵装置。
- 前記ホースは、前記先端部から前記基端部までの間の流動経路を規定する管壁を含み、
前記管壁には、漏穴が形成され、
前記先端部に挿入された前記第2ダクトは、前記漏穴を閉じることを特徴とする請求項12に記載の集塵装置。 - 前記先端部に取り付けられる取付部材を更に備え、
前記取付部材は、前記先端部に固定される筒部と、前記筒部から前記管壁に沿って延びる箆部と、を含み、
前記箆部は、前記ホースが前記第2接続部に接続されている間、前記管壁から離間する箆端を含むことを特徴とする請求項13に記載の集塵装置。 - 前記筒部には、前記漏穴に連通する連通穴が形成されることを特徴とする請求項14に記載の集塵装置。
- 前記気流生成部を作動させるための電力を伝達するための伝達部を更に備え、
前記伝達部は、電源に接続されるプラグと、前記プラグから延びるコードと、前記コードを前記内部空間内で巻き取るためのリール部と、を含み、
前記リール部は、前記集塵部よりも重く、且つ、前記集塵部の下方に配置されることを特徴とする請求項2乃至6のいずれか1項に記載の集塵装置。 - 前記集塵部は、上下に伸縮するように形成された集塵袋を含むことを特徴とする請求項2乃至6のいずれか1項に記載の集塵装置。
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KR (1) | KR20160045622A (ja) |
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JP2019037491A (ja) | 2017-08-25 | 2019-03-14 | パナソニックIpマネジメント株式会社 | 集塵装置 |
JP6913889B2 (ja) | 2017-11-15 | 2021-08-04 | パナソニックIpマネジメント株式会社 | 集塵装置 |
JP7224942B2 (ja) * | 2019-01-31 | 2023-02-20 | パナソニックホールディングス株式会社 | 集塵装置 |
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- 2013-08-20 JP JP2013170038A patent/JP6118681B2/ja active Active
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2014
- 2014-07-24 CN CN201480008959.8A patent/CN105072963B/zh active Active
- 2014-07-24 KR KR1020157022206A patent/KR20160045622A/ko not_active Application Discontinuation
- 2014-07-24 WO PCT/JP2014/003922 patent/WO2015025471A1/ja active Application Filing
- 2014-07-30 TW TW103126050A patent/TWI625111B/zh not_active IP Right Cessation
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JPS5112371U (ja) * | 1974-07-15 | 1976-01-29 | ||
JPS58169842U (ja) * | 1982-05-07 | 1983-11-12 | 東芝テック株式会社 | 電気掃除機 |
US4519113A (en) * | 1982-07-02 | 1985-05-28 | Hipple Robert J | Transforming the upright vacuum cleaner's own push-pull handle into a suction cleaning wand |
US4955106A (en) * | 1989-03-22 | 1990-09-11 | Stein & Co. Gmbh | Upright vacuum cleaner |
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WO2013080509A1 (ja) * | 2011-11-29 | 2013-06-06 | パナソニック株式会社 | 縦型電気掃除機 |
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CN105072963B (zh) | 2017-11-21 |
JP2015039378A (ja) | 2015-03-02 |
CN105072963A (zh) | 2015-11-18 |
TWI625111B (zh) | 2018-06-01 |
JP6118681B2 (ja) | 2017-04-19 |
KR20160045622A (ko) | 2016-04-27 |
TW201519845A (zh) | 2015-06-01 |
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