WO2014065095A1 - Aspirateur électrique - Google Patents

Aspirateur électrique Download PDF

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Publication number
WO2014065095A1
WO2014065095A1 PCT/JP2013/076989 JP2013076989W WO2014065095A1 WO 2014065095 A1 WO2014065095 A1 WO 2014065095A1 JP 2013076989 W JP2013076989 W JP 2013076989W WO 2014065095 A1 WO2014065095 A1 WO 2014065095A1
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WO
WIPO (PCT)
Prior art keywords
dust
dust collection
case
unit
vacuum cleaner
Prior art date
Application number
PCT/JP2013/076989
Other languages
English (en)
Japanese (ja)
Inventor
雅俊 佐藤
近藤　大介
諒太 遠藤
福島　忠史
Original Assignee
三菱電機株式会社
三菱電機ホーム機器株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社, 三菱電機ホーム機器株式会社 filed Critical 三菱電機株式会社
Priority to JP2014543212A priority Critical patent/JP5979242B2/ja
Priority to AU2013335959A priority patent/AU2013335959B2/en
Priority to TW102137073A priority patent/TWI561201B/zh
Publication of WO2014065095A1 publication Critical patent/WO2014065095A1/fr

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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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1683—Dust collecting chambers; Dust collecting receptacles

Definitions

  • the present invention relates to a vacuum cleaner having a cyclone type dust collecting unit.
  • the dust collecting unit that collects dust of such a dust collecting unit also serves as a swirling chamber that generates a swirling flow in the air mixed with dust introduced into the dust collecting unit. It is configured in shape. Therefore, in order to efficiently separate dust from the dust-mixed air, such a dust collection unit must be configured in a cylindrical shape for the dust collection container, and there are restrictions on the design and dimensions. There is a problem when miniaturizing a vacuum cleaner.
  • the present invention has been made to solve the above-described problems, and maintains the dust collection capacity of the dust collection unit, increases the degree of freedom in design and actual dimensions, and enables the vacuum cleaner to be miniaturized. It is for the purpose.
  • the dust collection unit in a vacuum cleaner having a dust collection unit and a vacuum cleaner main body to which the dust collection unit is detachably attached, includes an inflow portion case, and a dust collection portion case.
  • the inflow portion case has a swirl chamber that swirls the dust-containing air introduced therein and separates the dust from the dust-containing airflow, and an opening that discharges the separated dust from the swirl chamber.
  • An inflow portion case is located inside the dust collection portion case, and a space formed between the dust collection case and the outer surface of the inflow portion case holds the dust discharged from the swirl chamber.
  • a dust collection chamber is formed.
  • the degree of freedom of the shape of the dust collection unit is increased, and the size can be suppressed while maintaining the dust collection capacity, and the vacuum cleaner can be downsized in both visual and actual dimensions.
  • FIG. 3 is a plan view of the dust collection unit 12 as viewed from the side attached to the main body 6. It is a center sectional view of the cleaner body in an embodiment. It is a perspective view of a dust collection unit. It is a disassembled perspective view of a dust collection unit.
  • FIG. 13 is a DD cross-sectional view of FIG. 12.
  • FIG. 13 is a perspective view of a DD section of FIG. 12. It is a top view of a dust collection unit. It is a side view of a dust collection unit. It is AA sectional drawing of FIG. FIG. 13 is a sectional view taken along line BB in FIG. It is a perspective view of the dust collection unit seen from the unit side outflow port.
  • FIG. 13 is a perspective view of a CC section of FIG. 12.
  • FIG. 13 is a comparative diagram comparing a cylindrical dust collecting unit and a CC cross section of FIG. 12.
  • FIG. 13 is a schematic diagram of a CC cross section of FIG. 12.
  • the vacuum cleaner 1 includes an attachment such as a suction port body 2 and an extension pipe 3, a connection pipe 4, a suction hose 5, and a cleaner main body 6 (hereinafter referred to as “main body 6”).
  • the suction port body 2 is for sucking dust (dust) on the floor surface together with air from an opening formed downward.
  • a connection portion 2 a for exhaust is provided at a substantially central portion in the longitudinal direction of the suction port body 2.
  • the end of one side (intake side) of the extension pipe 3 is connected to the connection part 2a of the suction port body 2.
  • the extension pipe 3 is configured to be stretchable by combining cylindrical members 3a and 3b having different inner diameters.
  • One end (intake side) of the connection pipe 4 is connected to the other end of the extension pipe 3.
  • the connection pipe 4 is made of a cylindrical member.
  • a handle 7 is provided on the connection pipe 4.
  • the handle 7 is for the user of the vacuum cleaner 1 to hold and operate.
  • the handle 7 is provided with an operation switch 8 for controlling the operation of the electric vacuum cleaner 1.
  • One end (intake side) of the suction hose 5 is connected to the other end of the connection pipe 4.
  • the suction hose 5 is made of a flexible bellows-shaped member.
  • the main body 6 separates the dust from the air (dust-containing air) including the sucked dust, and discharges the air (clean air) from which the dust has been removed (for example, returned to the room) )
  • a hose connection port 9 is formed at the front end of the main body 6.
  • the other end of the suction hose 5 is connected to the hose connection port 9 of the main body 6.
  • wheels 10 are attached to both sides and the lower surface of the main body 6.
  • the main body 6 includes a power cord 11.
  • the power cord 11 has a cord plug 11a attached to one end and is wound around a cord reel portion (not shown) provided in the main body 6 from the other end.
  • the cord plug 11a has a pair of blades that are inserted into the outlet.
  • the power cord outlet 6h where the cord plug 11a is located is arranged so that the user can easily pull out the power cord 11.
  • An opening is formed in the upper part of the main body 6 toward the rear.
  • cord plug 11a is held at a position protruding from the power cord outlet 6h so that the user can easily grasp it.
  • a cord plug 11a is connected to an outlet that is an external power supply source, thereby energizing an internal device such as an electric blower 13 described later.
  • the electric blower 13 is driven by energization and performs a predetermined suction operation according to an operation on the operation switch 8.
  • the suction port body 2, the extension pipe 3, the connection pipe 4 and the suction hose 5 are formed in a continuous manner.
  • an electric blower 13 to be described later performs a suction operation, dust on the floor is sucked into the suction port body 2 together with air.
  • the dust-containing air sucked into the suction port body 2 is sent to the main body 6 through the suction port body 2, the extension pipe 3, the connection pipe 4, and the suction hose 5 in this order.
  • the suction port body 2, the extension pipe 3, the connection pipe 4, and the suction hose 5 form an air passage for allowing dust-containing air to flow into the main body 6 from the outside.
  • FIG. 5 shows a state where the dust collection unit 12 is removed from the main body 6.
  • the main body 6 includes an electric blower housing unit 6a and a dust collection unit housing portion 6b.
  • the electric blower housing unit 6a is made of a box-shaped member (for example, a molded product).
  • the electric blower housing unit 6a has an upper surface formed obliquely so that a portion from the rear end portion to a predetermined position closer to the front side is higher in the rear and lower in the front.
  • the upper surface of the portion of the electric blower housing unit 6a in front of the predetermined position is formed obliquely so that the rear is lower and the front is higher.
  • a part of the upper surface of the electric fan housing unit 6a is substantially concave when viewed from the side.
  • the substantially concave portion of the electric blower housing unit 6a forms a dust collection unit housing portion 6b above the portion.
  • the dust collection unit accommodating portion 6 b is a part for accommodating the dust collection unit 12.
  • an electric fan 13, a cord reel portion, and the like are housed in the electric fan housing unit 6a of the main body 6. Further, an intake air passage 14 (FIG. 5) for guiding the dust-containing air flowing in from the hose connection port 9 to the dust collecting unit 12 is formed in the electric blower housing unit 6 a.
  • One end of the intake air passage 14 opens at the front surface of the main body 6 to form a hose connection port 9.
  • the intake air passage 14 passes through the internal space of the electric blower housing unit 6a.
  • the other end of the intake air passage 14 opens at the upper surface of the electric blower housing unit 6a (that is, the dust collection unit housing portion 6b side), and forms a main body side outlet 15.
  • the main body side outlet 15 is disposed on the upper surface of the electric blower housing unit 6a near the rear end and one side.
  • the dust collecting unit 12 is for separating the dust from the dust-containing air and temporarily storing the separated dust.
  • the dust collecting unit 12 rotates dust-containing air inside to separate dust from air by centrifugal force. That is, the dust collection unit 12 has a cyclone separation function inside.
  • the unit side inlet 18 is open on the side surface of the dust collection unit 12. This unit side inlet 18 is an opening for introducing an airflow mixed with dust from the main body side outlet 15 into the dust collecting unit 12. A unit-side outlet 19 that opens downward is provided at the top of the dust collection unit 12. The unit side outlet 19 is an opening for exhausting the airflow separated from the dust inside the dust collecting unit 12 toward the electric blower housing unit 6a.
  • the exhaust air passage 16 passes through the internal space of the electric blower housing unit 6a.
  • the other end of the exhaust air passage 16 opens toward the outside of the electric blower housing unit 6a to form an exhaust port.
  • the main body side inflow port 17 is disposed in the approximate center near the rear end portion in the upper part of the main body 6.
  • the unit side inlet 18 and the main body side outlet 15 are replaced by the unit side outlet 19 and the main body side inlet. 17 are connected to face each other.
  • the electric blower 13 includes an air passage formed in the vacuum cleaner 1 (an air passage for allowing dust-containing air to flow into the main body 6, an intake air passage 14, an air passage in a dust collection unit 12 described later, exhaust air) This is for generating an air flow in the path 16).
  • the electric blower 13 is disposed in the exhaust air passage 16 at a predetermined position near the rear end in the electric blower housing unit 6a.
  • Air (clean air) discharged from the dust collection unit 12 flows into the exhaust air passage 16 and passes through the electric blower 13 in the exhaust air passage 16.
  • the air that has passed through the electric blower 13 further travels through the exhaust air passage 16 and is discharged from the exhaust port to the outside of the main body 6 (the electric vacuum cleaner 1).
  • the dust collection unit 12 has a substantially elliptic cylindrical shape as a whole, and the dust collection unit 12 includes a discharge part case 12a, a filter part case 12b, an inflow part case 12c, and a dust collection part case. 12d.
  • discharge part case 12a, filter part case 12b, inflow part case 12c, and dust collecting part case 12d are formed of, for example, molded products.
  • the discharge part case 12a, the filter part case 12b, the inflow part case 12c, and the dust collecting part case 12d are disassembled into the state shown in FIG. 9 or shown in FIG. 8 by a predetermined operation (for example, an operation on the lock mechanism). It is configured so that it can be assembled into a state. Further, only the dust collecting case 12d can be removed from the state shown in FIG.
  • the dust collection unit 12 configured by appropriately combining the discharge unit case 12a, the filter unit case 12b, the inflow unit case 12c, and the dust collection unit case 12d will be described.
  • the upper and lower sides are specified based on the orientation shown in FIG.
  • a unit-side inlet 18 is formed on one side of the inflow portion case 12 c of the dust collection unit 12.
  • a unit side outlet 19 is formed substantially at the center of the discharge unit case 12a of the dust collection unit 12.
  • the unit side outlet 19 is disposed at a position higher than the unit side inlet 18.
  • the unit side inlet 18 and the unit side outlet 19 are opened facing the same side.
  • the unit side outlet 19 is disposed at a position higher than the unit side inlet 18.
  • the inflow portion case 12c is a portion for introducing dust-containing air from the outside, and has a swirl chamber 20 inside.
  • the upper part of the swirl chamber 20 consists of a cylindrical part 20a.
  • the lower part of the swirl chamber 20 is composed of a conical part 20b.
  • the cylindrical portion 20a has a hollow cylindrical shape.
  • the cylindrical portion 20a is arranged so that the central axis faces the up-down direction.
  • the conical portion 20b has a hollow conical shape with a tip portion cut off.
  • the conical portion 20b is arranged in the vertical direction so that the central axis coincides with the central axis of the cylindrical portion 20a.
  • the conical portion 20b is provided so that the upper end portion is connected to the lower end portion of the cylindrical portion 20a and extends downward from the lower end portion of the cylindrical portion 20a so that the diameter decreases as it goes downward.
  • the swirl chamber 20 is a space for swirling the dust-containing air introduced from the unit side inlet 18.
  • an inlet 21 is formed in the upper part of the cylindrical part 20 a (the uppermost part of the side wall forming the swirl chamber 20).
  • One end of an inflow pipe 22 is connected to the inflow port 21.
  • the other end of the inflow pipe 22 is connected to the unit side inlet 18.
  • the inflow pipe 22 is for guiding the dust-containing air that has passed through the intake air passage 14 to the inside of the cylindrical portion 20a (the swirl chamber 20).
  • the internal space of the inflow pipe 22 forms an inflow air path.
  • the inflow air passage is an air passage for allowing dust-containing air to flow into the swirl chamber 20 from the intake air passage 14.
  • the inflow pipe 22 has, for example, a quadrangular cylindrical shape and is made of a straight line.
  • the axis of the inflow pipe 22 is perpendicular to the central axis of the cylindrical portion 20a, and is arranged in the tangential direction of the cylindrical portion 20a (side wall of the swirl chamber 20).
  • a zero-order opening 28 is formed on the side wall of the cylindrical portion 20 a of the swirl chamber 20.
  • the zero-order opening 28 is disposed below the unit-side inlet 18 in the central axis direction of the swirl chamber 20. More specifically, the zero-order opening 28 is disposed below the inflow port 21 in the central axis direction of the swirl chamber 20, that is, downstream of the swirl flow generated in the swirl chamber 20.
  • the lower end portion of the conical portion 20b forming the swirl chamber 20 opens downward (in the direction of the central axis).
  • This opening formed at the lower end of the conical portion 20 b is the primary opening 29. Therefore, the primary opening 29 is disposed downstream of the zero-order opening 28 in the swirling flow generated in the swirling chamber 20.
  • a partition wall 30 is provided outside the conical portion 20b.
  • the partition wall 30 has a substantially cylindrical shape having substantially the same diameter as the cylindrical portion 20a.
  • the upper end of the partition wall 30 is connected to the vicinity of the connecting portion between the cylindrical portion 20a and the conical portion 20b.
  • the dust collecting case 12d has a cup-like substantially elliptical cylindrical shape with the lower part closed and the upper part opened.
  • the dust collecting part case 12d is disposed on the outer side and the lower side of the inflow part case 12c. That is, the cylindrical part 20a and the conical part 20b that form the swirl chamber 20 inside are located inside the dust collecting part case 12d.
  • the lower side from the upper end of the zero-order opening 28 of the cylindrical portion 20a of the inflow portion case 12c, the entire conical portion 20b, and the partition wall 30 are accommodated in the dust collecting portion case 12d.
  • the lower end part of the partition 30 engages with the projection part formed in the bottom face of the dust collecting part case 12d.
  • the opening 121d of the dust collecting part case 12d is closed by a lid part 121c protruding in a flange shape from the outer peripheral surface of the inflow part case 12c.
  • FIG. 19 is a schematic view of a cross section (cross section CC in FIG. 12) cut in the lateral direction at the position of the zero-order opening 28, the center O1 of the swirl chamber 20 and the center of the dust collector case 12d.
  • the swirl chamber 20 is positioned inside the dust collecting unit case 12d so that O2 has a substantially matching positional relationship.
  • the zero-order opening 28 is directed in the direction of the minor axis YY ′ of the ellipse, which is a cross section of the dust collector case 12d.
  • the interval a between the zero-order opening 28 and the inner surface of the dust collecting unit case 12d (the interval in which the dust collecting unit case 12d and the cylindrical portion 20a face the elliptical short axis YY ′ direction that is a cross section of the dust collecting unit case 12d. )
  • the distance b between the outer surface position of the cylindrical portion 20a rotated 90 degrees with respect to the center O1 of the swirl chamber 20 and the inner surface of the dust collecting portion case 12d (the dust collecting portion case 12d and the cylindrical portion 20a are the dust collecting case.
  • the interval facing the major axis XX ′ direction of the ellipse that is a cross section of 12d has a relationship of a ⁇ b.
  • the space formed between the inflow portion case 12c and the dust collecting portion case 12d is divided into two by the partition wall 30.
  • the space formed outside the cylindrical portion 20a and the partition wall 30 is the zero-order dust collection chamber 31, and formed below and outside the conical portion 20b and inside the partition wall 30.
  • the space is the primary dust collection chamber 32. That is, the space formed between the outer surface of the dust collecting unit case 12d and the inflow unit case 12c is the dust collecting chambers 31 and 32 that hold the dust discharged from the swirl chamber.
  • the zero-order dust collection chamber 31 communicates with the zero-order opening 28 and surrounds the entire outer periphery of the swirl chamber 20.
  • the zero-order dust collection chamber 31 extends downward from the zero-order opening 28.
  • the primary dust collecting chamber 32 extends from below the primary opening 29 to the entire outer periphery of the conical portion 20b.
  • a mesh-shaped discharge port 34 is provided at the center of the upper end of the cylindrical portion 20a.
  • the discharge port 34 is configured by a fine hole formed by opening a side wall and a part of the lower part of a tube having a substantially cylindrical shape in the upper part and a substantially conical shape in the lower part. For this reason, compared with the case where only the lower part of the pipe is opened to form the discharge port, the force for sucking the air flow in the swirl chamber 20 in the swirl direction is increased, and the swirl air flow in the swirl chamber 20 advances in the swirl direction. It becomes easy.
  • the discharge port 34 and the unit side outlet 19 are communicated with each other by a discharge pipe 33.
  • a part of the mesh-shaped discharge port 34 described above is constituted by a fine hole formed by opening a part of the side wall of the discharge pipe 33.
  • the discharge pipe 33 is mainly formed by the discharge part case 12a.
  • the discharge port 34 is formed in the filter part case 12b, and the upper end wall of the swirl chamber 20 is formed by a part of the bottom surface of the filter part case 12b.
  • the central axis of the swirl chamber 20 and the like is disposed obliquely according to the slope of the dust collection unit housing portion 6b. .
  • the unit side inlet 18 and the unit side outlet 19 are arranged so as to face the slope, and the unit side inlet 18 is connected to the main body side outlet 15.
  • the unit side outlet 19 is connected to the main body side inlet 17 (FIG. 7).
  • the zero-order opening 28 opens in the direction opposite to the main body 6, that is, in the upper surface direction R (FIGS. 2 to 4).
  • the upper surface direction R refers to a direction facing the direction opposite to the floor surface G direction when the cleaner is placed on the floor surface G.
  • the dust-containing air passes through the intake air passage 14 and reaches the main body side outlet 15 as described above.
  • the dust-containing air sequentially passes through the main body side outlet 15 and the unit side inlet 18, and flows into the inflow pipe 22, that is, into the inflow air path.
  • Dust-containing air that has flowed into the inflow air passage advances in the axial direction of the inflow pipe 22 (goes straight), passes through the inlet 21, and flows into the inside of the cylindrical portion 20a (swirl chamber 20).
  • Such a route is indicated by a solid arrow as a route A in the figure.
  • the dust-containing air taken into the swirl chamber 20 from the inlet 21 forms a swirl airflow that rotates in a predetermined direction along the side wall in the swirl chamber 20.
  • the whirling airflow flows downward due to the path structure and gravity while forming a forced vortex region near the central axis and a free vortex region outside the central vortex region.
  • Centrifugal force acts on the dust contained in the swirling airflow (the airflow in the swirling chamber 20).
  • relatively bulky waste such as fiber waste and hair (hereinafter such waste is referred to as “garbage ⁇ ”) is caused by this centrifugal force to cause the inner peripheral surface of the cylindrical portion 20a (the inner wall surface of the swirl chamber 20).
  • the inside of the swirl chamber 20 falls while being pressed against.
  • the waste ⁇ reaches the height of the zero-order opening 28, it is separated from the swirling airflow, passes through the zero-order opening 28, and is sent to the zero-order dust collection chamber 31.
  • the dust ⁇ discharged from the 0th-order opening 28 to the 0th-order dust collecting chamber 31 is discharged from the 0th-order opening 28 in the tangential direction of the cylindrical portion 20a due to the swirling airflow.
  • the dust ⁇ is discharged from the zero-order opening 28 in the direction of the long axis XX ′ of the ellipse, which is the cross-sectional shape of the dust collector case 12d, so that the gap between the cylindrical portion 20a and the dust collector case becomes a wide portion.
  • the zero-order dust collection chamber 31 flows to a relatively wide area.
  • the dust ⁇ that has entered the zero-order dust collection chamber 31 from the zero-order opening 28 moves in the same direction as the direction of the airflow that swirls in the swirl chamber 20 (the swirl direction), while in the zero-order dust collection chamber 31. To fall. Then, the garbage ⁇ reaches the bottom of the zero-order dust collecting chamber 31 and is collected.
  • Garbage that has not entered the zero-order dust collection chamber 31 from the zero-order opening 28 rides on the airflow in the swirl chamber 20 and proceeds downward while swirling in the swirl chamber 20.
  • Garbage with relatively small volume such as sand litter and fine fiber litter (hereinafter such litter is referred to as “garbage ⁇ ”) passes through the primary opening 29. And garbage (beta) falls in the primary dust collection chamber 32, and is caught.
  • the dust ⁇ is accumulated in the zero-order dust collecting chamber 31 and the dust ⁇ is accumulated in the primary dust collecting chamber 32 as described above. These dusts ⁇ and ⁇ can be easily discarded by removing the dust collecting case 12d from the dust collecting unit 12.
  • the dust-containing air flows into the swirl chamber 20 from the inlet 21 so as to push the swirl airflow in the swirl chamber 20 sequentially from the rear. That is, the dust-containing air newly taken into the swirl chamber 20 flows into the swirl chamber 20 so as to accelerate the swirl airflow already formed in the swirl chamber 20.
  • the swirl force in the swirl chamber 20 especially above the 0th-order opening 28 can be increased, and the function (separation performance) for separating dust (particularly relatively bulky dust ⁇ ) is greatly improved. . Therefore, it is not necessary to provide another separation device upstream or downstream of the dust collection unit 12, the dust collection unit 12 can be reduced in size, and the size of the main body 6 and the vacuum cleaner 1 can be reduced. .
  • the swirl force above the 0th-order opening 28 in the swirl chamber 20 is large and the swirling airflow is difficult to descend.
  • the component in the swirl direction of the airflow above the 0th-order opening 28 in the swirl chamber 20 is large. This means that the descending component of the airflow is small. Therefore, it is possible to suppress the dust ⁇ accumulated on the bottom surface of the zero-order dust collection chamber 31 from being rolled up and scattered by the airflow flowing into the zero-order dust collection chamber 31 and to improve the collection performance.
  • the dust collection unit 12 is configured to form independent dust spaces by forming dust collection chambers 31 and 32 around the swirl chamber 20.
  • the shape of the swirl chamber 20 is not affected by the shape of the dust collection chambers 31 and 32, the shape of the dust collection chambers 31 and 32 is not related to the cyclone separation performance for separating dust from the airflow in the swirl chamber 20. It has a configuration. Therefore, the dust collector case 12d having various shapes can be used. As a result, the dust collector case 12d can be easily reduced in size and the vacuum cleaner can be reduced, and the degree of freedom in design can be increased.
  • the shape of the dust collector case 12d can be determined without degrading the cyclone performance as described above, by making the shape of the dust collector case 12d substantially elliptical as in the present embodiment, When mounted on the vacuum cleaner body, the overall height can be reduced. For example, as shown in FIG. 18, the height ( ⁇ T) can be suppressed while maintaining the dust collection capacity, as compared with the case where the dust collection case is cylindrical (one-dot broken line).
  • the dust ⁇ discharged from the 0th-order opening 28 to the 0th-order dust collecting chamber 31 is affected by the swirling airflow and is therefore subjected to the 0th-order opening. It is discharged from the portion 28 in the tangential direction of the cylindrical portion 20a.
  • the dust ⁇ is discharged from the zero-order opening 28 in the direction of the major axis XX ′ of the ellipse, which is the cross-sectional shape of the dust collector case 12d, so that the gap between the cylindrical portion 20a and the dust collector case becomes a wide portion.
  • the zero-order dust collection chamber 31 is flowing to a relatively wide area.
  • the 0th-order opening 28 is configured to face upward. Therefore, the 0th-order opening 28 is added to the dust stored inside the dust collection unit 12. It can be set as the structure which is hard to block.
  • the dust collection unit 12 by configuring the dust collection unit 12 to have an elliptical cylindrical shape, the air flowing into the zeroth dust collection chamber 31 from the zeroth order opening 28 can be smoothly flowed, and noise can be prevented.

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

Abstract

La présente invention se rapporte à un aspirateur électrique (1) pour lequel une unité de collecte de poussière (12) comprend un boîtier de partie de flux entrant (12c) et un boîtier de partie de collecte de poussière (12d). Une chambre de rotation (20) qui fait tourner l'air contenant de la poussière qui est introduit dans cette dernière et sépare la poussière et la crasse de ce flux d'air qui contient de la poussière, ainsi qu'une ouverture (28) qui évacue de la chambre de mise en rotation (20) la poussière et la crasse séparées, sont formées dans le boîtier de partie de flux entrant (12c). Le boîtier de partie de flux entrant (12c) est placé dans le boîtier de partie de collecte de poussière (12d). Une chambre de collecte de poussière (31) qui conserve la poussière et la crasse qui est évacuée de la chambre de mise en rotation (20), est formée dans un espace qui est formé entre le boîtier de partie de collecte de poussière (12d) et la face externe du boîtier de partie de flux entrant (12c).
PCT/JP2013/076989 2012-10-24 2013-10-03 Aspirateur électrique WO2014065095A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2014543212A JP5979242B2 (ja) 2012-10-24 2013-10-03 電気掃除機
AU2013335959A AU2013335959B2 (en) 2012-10-24 2013-10-03 Electric vacuum cleaner
TW102137073A TWI561201B (en) 2012-10-24 2013-10-15 Vacuum cleaner

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-234597 2012-10-24
JP2012234597 2012-10-24

Publications (1)

Publication Number Publication Date
WO2014065095A1 true WO2014065095A1 (fr) 2014-05-01

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PCT/JP2013/076989 WO2014065095A1 (fr) 2012-10-24 2013-10-03 Aspirateur électrique

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JP (1) JP5979242B2 (fr)
AU (1) AU2013335959B2 (fr)
TW (1) TWI561201B (fr)
WO (1) WO2014065095A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016083032A (ja) * 2014-10-23 2016-05-19 三菱電機株式会社 サイクロン分離装置及び電気掃除機
JP2016165384A (ja) * 2015-03-10 2016-09-15 三菱電機株式会社 電気掃除機
TWI576081B (zh) * 2014-07-02 2017-04-01 Hitachi Appliances Inc vacuum cleaner
JP2017086188A (ja) * 2015-11-04 2017-05-25 三菱電機株式会社 サイクロン分離装置及びこれを用いた電気掃除機

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