WO2022070320A1 - Duct unit and vacuum cleaner - Google Patents

Duct unit and vacuum cleaner Download PDF

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Publication number
WO2022070320A1
WO2022070320A1 PCT/JP2020/037186 JP2020037186W WO2022070320A1 WO 2022070320 A1 WO2022070320 A1 WO 2022070320A1 JP 2020037186 W JP2020037186 W JP 2020037186W WO 2022070320 A1 WO2022070320 A1 WO 2022070320A1
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WO
WIPO (PCT)
Prior art keywords
dust
unit
air
filter
vacuum cleaner
Prior art date
Application number
PCT/JP2020/037186
Other languages
French (fr)
Japanese (ja)
Inventor
反町幹夫
Original Assignee
バルミューダ株式会社
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 バルミューダ株式会社 filed Critical バルミューダ株式会社
Priority to JP2022553314A priority Critical patent/JP7456673B2/en
Priority to PCT/JP2020/037186 priority patent/WO2022070320A1/en
Publication of WO2022070320A1 publication Critical patent/WO2022070320A1/en

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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
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action

Definitions

  • the present invention relates to a dust unit and a vacuum cleaner.
  • a vacuum cleaner equipped with a rotating brush on a vacuum cleaner head (nozzle head) that absorbs dust and other debris on the cleaning surface is known.
  • the vacuum cleaner moves the nozzle head in the front-rear direction by the user's operation, and scrapes the dust by the rotation of the rotating brush, and sucks the scraped dust.
  • the cyclone type vacuum cleaner is equipped with a dust unit (dust box) that separates dust from air containing sucked dust.
  • the dust unit comprises a cylindrical dust case. Air containing dust passes through an air intake path located inside the dust unit. The air containing dust that has passed through the intake passage is discharged from the outlet (exhaust port) of the intake passage toward the inner peripheral surface of the dust case. The air discharged from the intake passage swirls along the inner peripheral surface of the dust case. Due to the centrifugal force generated by this swirl, the dust is separated from the air and collected inside the dust case.
  • An object of the present invention is to realize a dust unit capable of enhancing the function of separating dust and air without increasing the diameter of the dust unit.
  • the dust unit according to the present invention includes a separation unit that forms a swirling flow of air containing dust, and a dust case that houses the separation unit, and the separation unit constitutes an intake passage through which air passes. It comprises an intake pipe and an outlet with an outlet for discharging air from the intake passage, the dust case has a wall for swirling the air discharged from the exhaust passage, and the intake passage is the center of the dust case. It is characterized in that it is arranged at a position offset from the wall side.
  • the function of separating dust and air can be enhanced without increasing the diameter of the dust unit.
  • FIG. 1 It is a front perspective view which shows the embodiment of the vacuum cleaner which concerns on this invention. It is a front perspective view of the head for a vacuum cleaner provided in the vacuum cleaner of FIG. It is a bottom perspective view of the head for a vacuum cleaner of FIG. It is a rear view of the main body for a vacuum cleaner provided in the vacuum cleaner of FIG. It is A side view of the main body for a vacuum cleaner of FIG. It is an exploded side view of the main body part which constitutes the main body for a vacuum cleaner of FIG. 4, and a dust box. It is sectional drawing in the BB line of the main body for a vacuum cleaner of FIG. It is a front view of the dust box of FIG. It is a side perspective view of the dust box of FIG.
  • FIG. 1 is a front perspective view showing an embodiment of a vacuum cleaner according to the present invention.
  • Vacuum cleaner 1 sucks up dust and other debris on the cleaning surface.
  • the vacuum cleaner 1 includes a vacuum cleaner head 10, a universal joint portion 20, a vacuum cleaner main body 30, and a handle 40.
  • FIG. 2 is a front perspective view of the vacuum cleaner head 10.
  • FIG. 3 is a bottom perspective view of the vacuum cleaner head 10.
  • the vacuum cleaner head 10 sucks air containing dust such as dust on the cleaning surface.
  • the vacuum cleaner head 10 is connected to the vacuum cleaner main body 30 via the universal joint portion 20.
  • the vacuum cleaner head 10 includes a head body 11.
  • the head body 11 accommodates a rotating brush (first rotating brush 114, second rotating brush 115) that scrapes off dust on the cleaning surface.
  • the head body 11 includes a suction port 110, a mounting port 111, a suction portion 112, a cover body 113, a rotating brush (first rotating brush 114, second rotating brush 115), and a first hover brush 116.
  • a second hover brush 117, casters (first caster 118a, second caster 118b), and a safety caster 119 are provided.
  • the suction port 110 is a passage (flow path) through which dust collected by the first rotating brush 114 and the second rotating brush 115 and collected in the suction unit 112 passes.
  • the suction port 110 is arranged at a position substantially in the center of the head main body 11 and overlapping with the mounting port 111.
  • the mounting port 111 is a hole to which the universal joint portion 20 is mounted.
  • the mounting port 111 is arranged substantially in the center of the head body 11.
  • a suction port 110 is arranged inside the mounting port 111.
  • the suction unit 112 is a space in which dust scraped off by the first rotating brush 114 and the second rotating brush 115 is collected.
  • the dust collected in the suction unit 112 is collected through the suction port 110 by the suction force generated by the operation of the intake fan driven by the suction motor (not shown) described later, and the dust box of the main body 30 for the vacuum cleaner. It is stored in 32 (see FIG. 4).
  • the cover body 113 houses the first rotating brush 114 and the second rotating brush 115 inside.
  • the cover body 113 includes an upper cover 113a, a side cover 113b, and a side cover 113c.
  • the upper cover 113a is provided with a suction port 110 in the substantially center of the plan view.
  • the upper cover 113a covers the first rotating brush 114 and the second rotating brush 115 from above.
  • the side cover 113b is attached to the right end of the upper cover 113a.
  • a first caster 118a is attached to substantially the center of the lower surface of the side cover 113b.
  • the side cover 113c is attached to the left end of the upper cover 113a.
  • a second caster 118b is attached to substantially the center of the lower surface of the side cover 113c.
  • the rotating brush is housed in the cover body 113.
  • the rotary brush is a brush that extends in the left-right direction (longitudinal direction in the plan view of the vacuum cleaner head 10).
  • the rotary brush includes a first rotary brush 114 and a second rotary brush 115.
  • Each of the first rotating brush 114 and the second rotating brush 115 partially abuts (grounds / contacts) with the cleaning surface while rotating, and dust and the like on the cleaning surface and the cleaning surface are fluffy.
  • dust such as hair and food debris that has entered the inside of the hair feet is scraped out and collected in the suction unit 112.
  • the shape, size, and mass of the first rotating brush 114 are the same as the shape, size, and mass of the second rotating brush 115, respectively.
  • the first rotating brush 114 is attached to the first rotating shaft (not shown) and is housed inside the cover body 113 (upper cover 113a).
  • the first rotary brush 114 rotates with the rotation of the first rotary shaft due to the rotary drive of the drive motor (not shown).
  • the first rotating brush 114 is arranged on the front side of the head main body 11.
  • the second rotating brush 115 is attached to the second rotating shaft (not shown) and is housed inside the cover body 113 (upper cover 113a).
  • the second rotary brush 115 rotates with the rotation of the second rotary shaft due to the rotary drive of the drive motor (not shown).
  • the second rotating brush 115 is arranged on the back surface side of the head main body 11. Further, the second rotating brush 115 rotates in the direction opposite to the rotation direction of the first rotating brush 114.
  • the first hover brush 116 is arranged at both left and right ends of the first rotating brush 114 and rotates together with the first rotating brush 114.
  • the first hover brush 116 reduces the frictional force between the first rotating brush 114 and the cleaning surface.
  • the second hover brush 117 is arranged at the left and right ends of the second rotating brush 115 and rotates together with the second rotating brush 115.
  • the second hover brush 117 reduces the frictional force between the second rotating brush 115 and the cleaning surface.
  • the first caster 118a is attached to the head body 11 and rotates along the traveling direction of the head body 11.
  • the first caster 118a is rotatable in all directions on the cleaning surface.
  • the first caster 118a is arranged below the side cover 113b.
  • the first caster 118a is, for example, a wheel type caster.
  • the first caster 118a is arranged at an intermediate position between the first rotating brush 114 and the second rotating brush 115. That is, the first caster 118a is arranged at a position equidistant from each of the first rotating brush 114 and the second rotating brush 115.
  • the second caster 118b is attached to the head body 11 and rotates along the traveling direction of the head body 11.
  • the second caster 118b is rotatable in all directions on the cleaning surface.
  • the second caster 118b is arranged below the side cover 113c.
  • the second caster 118b is, for example, a wheel type caster.
  • the second caster 118b is arranged at an intermediate position between the first rotating brush 114 and the second rotating brush 115. That is, the second caster 118b is arranged at a position equidistant from each of the first rotating brush 114 and the second rotating brush 115.
  • the shape, size, and mass of the first caster 118a are the same as the shape, size, and mass of the second caster 118b, respectively.
  • the direction of the line (virtual line) connecting the first caster 118a and the second caster 118b is parallel to the extending direction of the first rotating brush 114 and the extending direction of the second rotating brush 115.
  • the safety caster 119 is attached to the lower part of the head body 11.
  • the safety caster 119 can move up and down.
  • Safety casters 119 are wheeled casters that can rotate in the front-back direction.
  • the safety caster 119 retracts (retracts) upward (in the direction opposite to the cleaning surface) when the vacuum cleaner head 10 is mounted on the cleaning surface (hereinafter referred to as "mounted state”).
  • the drive motor (not shown) is in an energized state (hereinafter referred to as “energized state") when it is in the mounted state.
  • the drive motor in the energized state drives the first rotary brush 114 and the second rotary brush 115.
  • the driven first rotating brush 114 and the second rotating brush 115 rotate.
  • the safety caster 119 advances (progresses) downward (in the direction toward the cleaning surface) when the vacuum cleaner head 10 is separated from the cleaning surface (hereinafter referred to as "separated state").
  • the drive motor is in the separated state, the energized state is released (non-energized state).
  • the drive motor in the non-energized state does not drive the first rotary brush 114 and the second rotary brush 115.
  • the undriven first rotating brush 114 and the second rotating brush 115 do not rotate. That is, the rotation of the first rotating brush 114, which was driven and rotated in the energized state, and the rotation of the second rotating brush 115 stop in the non-energized state.
  • the universal joint portion 20 connects the vacuum cleaner head 10 and the vacuum cleaner main body 30.
  • the universal joint portion 20 enables the vacuum cleaner main body 30 to freely tilt at an arbitrary angle with respect to the vacuum cleaner head 10.
  • One end of the universal joint portion 20 (the lower end of the paper surface in FIG. 1) is attached to the attachment port 111. That is, the universal joint portion 20 is attached to substantially the center of the upper part of the vacuum cleaner head 10. One end of the universal joint portion 20 is arranged at a position where it overlaps with the suction port 110 in a plan view. The axis (axis) of the suction port 110 coincides with the axis of the universal joint portion 20.
  • the other end of the universal joint portion 20 (the upper end of the paper surface in FIG. 1) is attached to the lower end of the vacuum cleaner main body 30.
  • the axis of the universal joint portion 20 coincides with the axis of the vacuum cleaner main body 30. That is, the axis of the universal joint portion 20 is located on the axis of the vacuum cleaner main body 30.
  • the vacuum cleaner main body 30 is located on the axis (axis) of the suction port 110 and is freely tilted at an arbitrary angle with respect to the vacuum cleaner head 10.
  • the universal joint portion 20 houses a flexible member (not shown) such as a bellows-shaped hose inside.
  • the flexible member is connected to the suction port 110 and the lower end of the vacuum cleaner main body 30.
  • the flexible member constitutes a passage (flow path) through which dust passing through the suction port 110 passes toward the vacuum cleaner main body 30.
  • the other end of the universal joint portion 20 and the flexible member are detachable from the lower end of the vacuum cleaner main body 30.
  • FIG. 4 is a rear view of the vacuum cleaner main body 30.
  • FIG. 5 is a side view taken along the line A of the main body 30 for a vacuum cleaner of FIG.
  • the vacuum cleaner main body 30 includes a main body portion 31 and a dust box 32.
  • the vacuum cleaner body 30 is removable from the handle 40 (see FIG. 1).
  • One end (lower end of the paper surface in FIG. 4) of the vacuum cleaner main body 30 is connected to the universal joint portion 20 (see FIG. 1).
  • the other end of the vacuum cleaner body 30 (the upper end of the paper surface in FIG. 4) is connected to the handle 40.
  • the vacuum cleaner main body 30 has a substantially tubular shape.
  • the main body 31 includes a handle attachment / detachment portion 33, a handle removal outer side 34, an exhaust port 35, a suction motor (not shown), and a battery (not shown).
  • the dust box 32 is removable from the main body 31. As will be described later, a part of the members constituting the dust box 32 is composed of a transparent or translucent member. Therefore, the internal structure of the dust box 32 can be visually recognized from the outside of the dust box 32 (see FIGS. 4, 5 and 6, 6, 8 and 9 described later).
  • FIG. 6 is an exploded side view of the main body 31 and the dust box 32. The figure shows a state in which the dust box 32 is removed from the main body 31.
  • FIG. 7 is a cross-sectional view taken along the line BB of the vacuum cleaner main body 30 of FIG. The figure shows a state in which the dust box 32 is attached to the main body 31. In the figure, the illustration of the internal structure of the main body 31 is omitted.
  • the main body 31 accommodates the dust box 32, the suction motor, and the battery. One end of the main body portion 31 (lower end of the paper surface in FIG. 7) is connected to the universal joint portion 20 (see FIG. 1).
  • the main body 31 includes a dust box accommodating portion 311 and a fixing portion 312.
  • the dust box accommodating portion 311 is a U-shaped (see FIG. 7) cutout space for accommodating the dust box 32 when viewed from the side.
  • the dust box 32 is arranged inside this notch.
  • the bottom portion of the dust box accommodating portion 311 is a tapered surface that hangs from the front side of the main body portion 31 (left side of the paper surface in FIG. 7) to the back side side of the main body portion 31 (right side of the paper surface in FIG. 7) and is inclined downward.
  • the upper portion of the dust box accommodating portion 311 is a tapered surface that hangs from the front side of the main body portion 31 to the back side of the main body portion 31 and is inclined upward.
  • the fixing portion 312 fixes the dust box 32 to the main body portion 31.
  • the fixing portion 312 is a portion for fastening the hook 511C described later of the dust box 32 when the dust box 32 is housed in the dust box accommodating portion 311 (main body portion 31).
  • the shape composed of the main body 31 and the dust box 32 is substantially cylindrical.
  • the dust box 32 separates dust that has been scraped off by the first rotating brush 114 (see FIG. 3) and the second rotating brush 115 (see FIG. 3) and sucked together with the air from the air.
  • the dust separated from the air inside the dust box 32 is collected inside the dust box 32.
  • the air from which the dust is separated passes through the inside of the main body 31 from the dust box 32, and is discharged to the outside of the main body 31 from the exhaust port 35.
  • the dust collected inside the dust box 32 is discarded by the user to the outside of the dust box 32. At this time, first, the user removes the dust box 32 from the main body 31.
  • the user removes a part of the members of the dust box 32 (separation unit 520 and filter unit 530 described later) from the member containing dust (dust case 510 described later).
  • the user discharges the dust from the opening of the member by tilting the member for accommodating the dust.
  • the specific configuration of the dust box 32 will be described later.
  • the dust box 32 is accommodated in the dust box accommodating portion 311 from the side of the dust box accommodating portion 311 (main body portion 31).
  • the handle attachment / detachment portion 33 is removable from the handle 40.
  • the handle attachment / detachment portion 33 is arranged at the other end of the main body portion 31 (the upper end of the paper surface in FIG. 4).
  • the handle attachment / detachment portion 33 includes an insertion port (not shown).
  • the insertion port is an opening into which the insertion portion (not shown) of the handle 40 is inserted.
  • the handle removal outer 34 is used when the user removes the handle 40 attached to the handle attachment / detachment portion 33.
  • the handle removal outer surface 34 is, for example, a pressing type button.
  • the handle removal outer surface 34 is attached to, for example, the handle attachment / detachment portion 33.
  • the "user” is the user (operator) of the vacuum cleaner 1.
  • the exhaust port 35 is sucked by a suction motor and discharges the air that has passed through the dust box 32 to the outside of the main body 31.
  • the exhaust port 35 is a plurality of openings arranged on the outer periphery of the main body 31.
  • the exhaust port 35 communicates the inside and the outside of the main body 31 with each other.
  • the exhaust port 35 exhausts the air inside the main body 31 to the outside.
  • the suction motor drives an intake fan (not shown) that generates an air flow in the flow path from the suction unit 112 to the exhaust port 35.
  • the intake fan driven by the suction motor sucks air.
  • the suction motor and the intake fan are housed in the main body 31.
  • the battery is a power source that drives the drive motor and the suction motor.
  • the battery is housed (attached) in the main body 31.
  • the handle 40 is gripped by the user during use. That is, the user grips the handle 40 and operates the vacuum cleaner 1.
  • the handle 40 is rod-shaped and substantially cylindrical.
  • the handle 40 is detachably attached (attached) to the handle attachment / detachment portion 33.
  • the handle 40 extends upward from the handle attachment / detachment portion 33 (vacuum cleaner main body 30).
  • the axis (axis) of the handle 40 in the state of being attached to the handle attachment / detachment portion 33 coincides with the axis of the universal joint portion 20.
  • the handle 40 includes a grip portion 41, an operation portion 42, and an insertion portion (not shown).
  • the shape of the handle is not limited to the rod shape. That is, for example, the shape of the handle may be the shape of a handle.
  • the grip portion 41 is gripped by the user.
  • the grip portion 41 is a portion between the operation portion 42 and the insertion portion.
  • the operation unit 42 switches the power of the vacuum cleaner 1 on and off. That is, the operation unit 42 controls the operation of the drive motor and the suction motor.
  • the operation unit 42 is, for example, a pressing type operation button.
  • the operation unit 42 is arranged on the other end side (upper end side) of the handle 40. The operation unit 42 is operated by the user when the cleaning is started (when the cleaning that has been temporarily interrupted is resumed) and when the cleaning is finished (when the cleaning is temporarily interrupted).
  • the insertion portion is inserted into the insertion slot of the handle attachment / detachment portion 33.
  • the insertion portion is arranged on one end side (lower end side) of the handle 40. By inserting the insertion portion into the insertion slot, the handle 40 is attached (mounted) to the handle attachment / detachment portion 33 (vacuum cleaner main body 30).
  • the user pulls the handle 40 in a direction away from the vacuum cleaner main body 30 while pressing the handle removal outer surface 34 (see FIG. 4) to pull the handle 40. , Can be removed from the handle attachment / detachment portion 33 (vacuum cleaner main body 30).
  • FIG. 8 is a front view of the dust box 32.
  • FIG. 9 is a side perspective view of the dust box 32.
  • FIG. 10 is a cross-sectional view taken along the line CC of the dust box 32 of FIG.
  • FIG. 11 is a cross-sectional view taken along the line DD of the dust box 32 of FIG.
  • the dust box 32 includes a dust unit 500 and a cover unit 500C.
  • the dust unit 500 separates dust from the air containing dust that has passed through the suction port 110 (see FIG. 2).
  • the dust unit 500 includes a dust case 510, a separation unit 520, and a filter unit 530.
  • the dust case 510 houses the separation unit 520 inside.
  • a filter unit 530 is arranged on the upper part of the dust case 510 (above the paper surface in FIG. 8).
  • the dust case 510 collects dust separated from the sucked air.
  • the dust case 510 is made of, for example, a transparent or translucent plastic.
  • the dust case 510 is visible from the outside of the main body 31. That is, the dust collected inside the dust case 510 can be visually recognized from the outside of the vacuum cleaner main body 30.
  • the dust case 510 includes an outer peripheral wall 511, an inner peripheral wall 512, a bottom portion 513, and a foot portion 514.
  • the dust case 510 is a bottomed, substantially hollow cylinder with an open top.
  • the outer peripheral wall 511 is an outer frame of the dust case 510 and is a wall for swirling the air discharged from the separation unit 520.
  • the outer peripheral wall 511 has a cylindrical shape.
  • a filter unit 530 is arranged on the upper part of the outer peripheral wall 511.
  • the inner peripheral wall 512 is arranged inside the outer peripheral wall 511 substantially parallel to the outer peripheral wall 511.
  • the inner peripheral wall 512 projects upward from the bottom 513.
  • the internal space surrounded by the inner peripheral surface of the inner peripheral wall 512 (hereinafter referred to as “internal space of the inner peripheral wall 512”) constitutes the first intake passage P1 together with the intake pipe 521 described later of the separation unit 520. That is, the internal space of the inner peripheral wall 512 is a part of the first intake passage P1.
  • the height of the inner peripheral wall 512 from the bottom 513 is approximately half the height of the outer peripheral wall 511 from the bottom 513.
  • the upper part of the inner peripheral wall 512 is connected to the separation unit 520. Details of the first intake passage P1 and the dust collecting space DS will be described later.
  • the bottom portion 513 is the bottom of the dust case 510. Dust separated inside the dust case 510 is collected (accumulated) on the bottom 513.
  • the bottom portion 513 is a tapered surface that is inclined upward from the front side (right side of the paper surface in FIG. 10) to the back side (left side of the paper surface in FIG. 10) of the dust case 510. That is, among the bottom portions 513, the height position of the bottom portion 513 on the back side (position in the vertical direction of the paper surface in FIG. 10) is higher than the height position of the bottom portion 513 on the front side.
  • the foot 514 keeps the dust case 510 horizontal.
  • the foot portion 514 is arranged on the lower surface of the bottom portion 513. As shown in FIG. 10, the foot portion 514 is a plate-shaped member extending from the front side (right side of the paper surface in FIG. 10) to the back side (left side of the paper surface in FIG. 10) of the dust case 510. Further, the foot portion 514 is arranged on the left and right sides of the bottom portion 513 as shown in FIG.
  • the outer peripheral wall 511, the inner peripheral wall 512, and the bottom portion 513 constituting the dust case 510 are integrally molded.
  • the upper end of the dust case 510 is horizontal in a side sectional view, as shown in FIG. That is, due to the inclination of the bottom portion 513 which is the tapered surface, the length from the bottom portion 513 of the outer peripheral wall 511 on the back surface to the upper end of the dust case 510 is from the bottom portion 513 of the outer peripheral wall 511 on the front side to the upper end of the dust case 510. Shorter than the length.
  • the alternate long and short dash line on the right side of the paper surface and the black circle on the lower side of the paper surface among the two black circles shown in FIG. 11 are the centers of the inner diameter of the dust case 510 (inner diameter of the outer peripheral wall 511).
  • the separation unit 520 together with the dust case 510, forms (generates) a swirling flow of air containing dust.
  • the separation unit 520 includes an intake pipe 521, a discharge portion 522, a peripheral wall 523, and an umbrella portion 524.
  • FIG. 12 is a side view of the separation unit 520. The following description of the separation unit 520 will also be referred to in FIGS. 8-11.
  • the intake pipe 521 has a space inside.
  • the internal space of the intake pipe 521 communicates with the internal space of the inner peripheral wall 512 of the dust case 510.
  • the internal space of the intake pipe 521 is circular in cross-sectional view, as shown in FIG.
  • the internal space of the intake pipe 521 together with the internal space of the inner peripheral wall 512 constitutes the first intake passage P1. That is, the internal space of the intake pipe 521 is a part of the first intake passage P1.
  • the first intake passage P1 is a flow path through which air including dust that has passed through the suction port 110 passes.
  • the first intake passage P1 is composed of an internal space of the inner peripheral wall 512 and an internal space of the intake pipe 521.
  • the first intake passage P1 is an example of the intake passage in the present invention.
  • the first intake passage P1 is a circular flow path in a cross-sectional view.
  • the alternate long and short dash line on the left side of the paper surface and the black circle on the upper side of the paper surface among the two black circles shown in FIG. 11 are the central axis (central axis) Y of the inner diameter of the first intake passage P1. Is.
  • the central axis Y does not overlap with the central axis X.
  • the axial direction of the central axis Y is parallel to the axial direction of the central axis X. That is, the first intake passage P1 is arranged at a position offset from the center of the inner diameter of the dust case 510 (the inner diameter of the outer peripheral wall 511) toward the outer peripheral wall 511. That is, the first intake passage P1 arranged in the dust case 510 is not arranged coaxially with the outer peripheral wall 511 of the dust case 510.
  • FIG. 13 is a schematic view showing the distance between the center of the first intake passage P1 (central axis Y) and the outer peripheral wall 511 of the dust case 510.
  • FIG. 14 is a schematic diagram showing the distance between the center of the dust case 510 (central axis X) and the outer peripheral wall 511 of the dust case 510.
  • the distance L1 from the center (central axis Y) of the first intake passage P1 to the inner peripheral surface of the outer peripheral wall 511 of the dust case 510 passing through the tip of the discharge portion 522 is dust.
  • the distance from the center of the case 510 (central axis X) to the inner peripheral surface of the outer peripheral wall 511 of the dust case 510 passing through the tip of the discharge portion 522 is longer than the distance L2. That is, the direction in which the first intake passage P1 is offset from the center of the inner diameter of the dust case 510 (inner diameter of the outer peripheral wall 511) is the direction of the outer peripheral wall 511 opposite to the discharge port 5221.
  • the discharge portion 522 is a part of the intake pipe 521 and projects from the portion constituting the first intake passage P1 of the intake pipe 521 toward the outer peripheral wall 511.
  • the discharge unit 522 is a portion that discharges air containing dust from the first intake passage P1.
  • the discharge unit 522 includes a discharge port 5221.
  • the discharge unit 522 discharges air containing dust from the first intake passage P1 toward the outer peripheral wall 511 via the discharge port 5221.
  • the air discharged from the discharge unit 522 swirls along the inner peripheral surface of the outer peripheral wall 511.
  • the peripheral wall 523 is arranged around the discharge portion 522 and on the outer peripheral side of the intake pipe 521.
  • the peripheral wall 523 includes a filter mounting frame 5231 and a first filter F1.
  • the turning circuit SP is a flow path through which air containing dust discharged from the discharge unit 522 (discharge port 5221) swirls.
  • the air containing dust that swirls the turning circuit SP is centrifugally separated into large dust such as cotton dust and hair and air containing dust by the centrifugal force of the swirling flow. That is, the turning circuit SP is a cyclone space.
  • the large dust centrifugally separated by turning the turning circuit SP is pressed against the inner peripheral surface of the outer peripheral wall 511.
  • the swirling force from the swirling flow to the dust pressed against the inner peripheral surface of the outer peripheral wall 511 is weakened. As a result, the dust falls from the inner peripheral surface of the outer peripheral wall 511 and is collected (accumulated) in the dust collecting space DS.
  • the air containing dust after the large dust is centrifuged by swirling the turning circuit SP goes to the first filter F1.
  • the dust collection space DS swirls the turning circuit SP to collect (accumulate) the centrifugally separated dust.
  • the dust collecting space DS is composed of an inner peripheral surface of the outer peripheral wall 511, an outer peripheral surface of the inner peripheral wall 512, and a bottom portion 513.
  • the filter mounting frame 5231 is a frame body to which the first filter F1 is mounted.
  • the filter mounting frame 5231 is arranged around the discharge portion 522 and on the outer peripheral side of the intake pipe 521.
  • the first filter F1 swirls the turning circuit SP to filter the air containing dust after the large dust is centrifuged.
  • the first filter F1 collects dust contained in the air swirling the turning circuit SP.
  • the dust contained in the air includes coarse dust and fine dust.
  • the first filter F1 collects coarse dust among coarse dust and fine dust.
  • the first filter F1 is attached to the filter mounting frame 5231.
  • the first filter F1 is, for example, a mesh filter made of a material made of PET (Polyethylene Terephthalate).
  • the first filter F1 is an example of the filter in the present invention.
  • the air that has passed through the first filter F1 enters the second intake passage P2.
  • the second intake passage P2 is a flow path that sends out the air (air containing fine dust) that has passed through the first filter F1 to the filter unit 530.
  • the second intake passage P2 is composed of an inner peripheral surface of the peripheral wall 523 and an outer peripheral surface of the intake pipe 521.
  • the umbrella portion 524 prevents dust collected in the dust collection space DS (dust collected by swirling the turning circuit SP and centrifugally separated) from flying up and returning to the turning circuit SP, and the first filter F1 is dusty. Receives dust falling from the first filter F1 when collecting air containing the above.
  • the umbrella portion 524 is H-shaped in a side sectional view.
  • the umbrella portion 524 is arranged below the intake pipe 521 and connects the separation unit 520 and the inner peripheral wall 512.
  • the umbrella portion 524 is removable from the inner peripheral wall 512.
  • the filter unit 530 collects fine dust contained in the air that has passed through the second intake passage P2, that is, the air that has passed through the first filter F1.
  • the filter unit 530 is arranged on the upper part of the dust case 510.
  • the filter unit 530 includes a filter case 531 and a second filter F2.
  • the filter case 531 accommodates the second filter F2.
  • the filter case 531 is connected to the upper end of the outer peripheral wall 511 and the upper portion of the separation unit 520.
  • the second filter F2 filters fine dust contained in the air that has passed through the first filter F1.
  • the second filter F2 collects dust contained in the air that has passed through the first filter F1.
  • the second filter F2 is attached to the filter case 531.
  • the second filter F2 is made of a fluororesin such as PTFE (Polytetrafluoroethylene), for example.
  • the second filter F2 has a pleated shape bent in the vertical direction.
  • the air that has passed through the second filter F2 is discharged to the outside of the dust unit 500.
  • the air discharged to the outside of the dust unit 500 enters a flow path (not shown) inside the main body 31, and is then discharged from the exhaust port 35.
  • the roughness of the eyes of the second filter F2 is finer than the roughness of the eyes of the first filter F1. Therefore, the second filter F2 can collect fine dust that cannot be collected by the first filter F1.
  • the air discharged from the exhaust port 35 is air that has cleared the BFE (Bacterial Filtration Efficiency) standard. More preferably, the air discharged from the exhaust port 35 is air that has cleared the standard of VFE (Viral Filtration Efficiency). More preferably, the air discharged from the exhaust port 35 is air that has cleared the standard of PFE (Particle Filtration Efficiency).
  • BFE Bacterial Filtration Efficiency
  • VFE Virtual Filtration Efficiency
  • PFE Particle Filtration Efficiency
  • the cover unit 500C covers the dust unit 500.
  • the cover unit 500C is attached so as to cover the outer peripheral surface on the front side of the dust unit 500.
  • the outer surface of the cover unit 500C is flush with the outer surface of the main body 31 when the dust box 32 is housed in the main body 31.
  • the cover unit 500C is exposed to the outside of the main body 31.
  • the cover unit 500C includes a dust case cover 510C and a filter unit cover 530C.
  • the dust case cover 510C covers the outer peripheral surface on the front side of the dust case 510.
  • the dust case cover 510C is a transparent member. Therefore, the dust collected inside the dust case 510 can be visually recognized from the outside of the dust case cover 510C.
  • the dust case cover 510C is exposed to the outside of the main body 31. Further, when the dust box 32 is housed in the main body 31, the outer surface of the dust case cover 510C is flush with the outer surface of the main body 31.
  • the dust case cover 510C includes a hook 511C.
  • the hook 511C fixes the dust box 32 to the fixing portion 312 of the main body portion 31 when the dust box 32 is housed in the main body portion 31.
  • the filter unit cover 530C covers the outer peripheral surface on the front side of the filter unit 530.
  • the filter unit cover 530C is exposed to the outside of the main body 31.
  • the outer surface of the filter unit cover 530C is flush with the outer surface of the main body 31.
  • the dust unit 500 includes a separation unit 520 and a dust case 510 for accommodating the separation unit 520.
  • the separation unit 520 forms a swirling flow of air containing dust.
  • the separation unit 520 includes an intake pipe 521 constituting an intake passage (first intake passage) P1 through which air passes, and an discharge port 5221 for discharging air from the intake passage P1.
  • the dust case 510 includes a wall (outer peripheral wall) 511 that swirls the air discharged from the discharge unit 522.
  • the intake passage P1 is arranged at a position offset from the center of the dust case 510 toward the wall 511.
  • the dust unit 500 can increase the swirling angle of the air from the intake passage P1 until a swirling flow is formed. That is, the dust unit 500 can suppress the pressure loss of the air until the swirling flow is formed from the intake passage P1. As a result, the dust unit 500 does not need to increase the diameter of the dust case 510 in order to increase the swirling angle of the air from the intake passage P1 until the swirling flow is formed. Further, since the dust unit 500 can suppress the pressure loss of the air until the swirling flow is formed from the intake passage P1, the function of separating dust from the air discharged from the intake passage P1 is enhanced.
  • the intake passage P1 is arranged at a position where the central axis Y of the intake passage P1 is offset from the central axis X of the dust case 510 to the side opposite to the discharge port 5221.
  • the distance from the center of the intake passage P1 to the wall 511 is increased by the amount that the intake passage P1 is offset to the side opposite to the discharge port 5221. Therefore, the moving distance of the air from the intake passage P1 to the formation of the swirling flow is longer than that in the case where the intake passage P1 is not offset.
  • the dust unit 500 enhances the dust separation function while realizing the miniaturization of the dust case.
  • the peripheral wall 523 includes a filter (first filter) F1 that collects dust (coarse dust) contained in the air swirling the turning circuit SP.
  • the dust unit 500 includes a filter unit 530 including a second filter F2 that collects dust (fine dust) contained in the air that has passed through the filter F1.
  • large dust such as cotton dust and hair contained in the air passing through the intake passage P1 is separated from the air by the centrifugal force of the swirling flow.
  • the coarse dust contained in the air after the large dust is separated is collected by the filter F1.
  • the fine dust contained in the air after the coarse dust is collected is collected by the second filter F2.
  • the air subsequently discharged to the outside of the dust unit 500 contains almost no dust.
  • the dust case may be provided with a shielding member that is connected to the inner peripheral wall and the bottom portion and is erected in the radial direction of the dust case in the dust collecting space DS.
  • the shielding member prevents the dust collected in the dust collecting space DS and collected at the bottom of the dust case from continuing to swirl.
  • Vacuum cleaner 10 Vacuum cleaner head 11 Head body 110 Suction port 111 Mounting port 112 Suction part 113 Cover body 113a Top cover 113b Side cover 113c Side cover 114 1st rotation brush 115 2nd rotation brush 116 1st hover brush 117th 2 Hover brush 118a 1st caster 118b 2nd caster 119 Safety caster 20 Universal joint part 30 Vacuum cleaner body 31 Main body 311 Dust box storage part 312 Fixed part 32 Dust box 33 Handle attachment / detachment part 34 Handle removal outside 35 Exhaust port 40 Handle 41 Grip 42 Operation unit 500 Dust unit 510 Dust case 511 Outer wall 512 Inner peripheral wall 513 Bottom 514 Foot 520 Separation unit 521 Intake pipe 522 Discharge unit 5221 Discharge port 523 Peripheral wall 5231 Filter mounting frame 524 Umbrella unit 530 Filter unit 531 Filter case 500C Cover unit 510C Dust case cover 511C Hook 530C Filter unit cover P1 1st intake passage (intake

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

Abstract

The present invention realizes a duct unit with which it is possible to enhance a function for separating waste and air without increasing the diameter of the duct unit.　This duct unit 500 has a separation unit 520 that forms a swirl flow of air that includes dust, and a duct case 510 that accommodates the separation unit. The separation unit is provided with an air intake pipe 521 that constitutes an air intake path P1 through which air passes, and an exhaust unit 522 equipped with an exhaust port 5221 that exhausts air from the air intake path. The dust case 510 is provided with a wall 511 by which air exhausted from the exhaust unit is caused to swirl. The air intake path is positioned at a position offset toward the wall from the center X of the dust case.

Description

ダストユニットと掃除機Dust unit and vacuum cleaner
　本発明は、ダストユニットと掃除機とに関する。 The present invention relates to a dust unit and a vacuum cleaner.
　清掃面上の塵埃などのゴミを吸い取る掃除機用ヘッド（ノズルヘッド）に回転ブラシを搭載した掃除機が知られている。掃除機は、ユーザの操作によりノズルヘッドを前後方向に移動させることで、回転ブラシの回転によりゴミを掻き取り、掻き取られたゴミを吸引する。 A vacuum cleaner equipped with a rotating brush on a vacuum cleaner head (nozzle head) that absorbs dust and other debris on the cleaning surface is known. The vacuum cleaner moves the nozzle head in the front-rear direction by the user's operation, and scrapes the dust by the rotation of the rotating brush, and sucks the scraped dust.
　このような掃除機のタイプの１つに、いわゆるサイクロン式の掃除機がある。サイクロン式の掃除機は、吸引されたゴミを含む空気から、ゴミを分離するダストユニット（ダストボックス）を備える。ダストユニットは、円筒状のダストケースを備える。ゴミを含む空気は、ダストユニットの内部に位置する吸気路を通過する。吸気路を通過したゴミを含む空気は、吸気路の出口（排出口）からダストケースの内周面に向けて排出される。吸気路から排出された空気は、ダストケースの内周面に沿って旋回する。この旋回による遠心力により、ゴミは、空気から分離されて、ダストケースの内部に集塵される。 One of these types of vacuum cleaners is the so-called cyclone type vacuum cleaner. The cyclone type vacuum cleaner is equipped with a dust unit (dust box) that separates dust from air containing sucked dust. The dust unit comprises a cylindrical dust case. Air containing dust passes through an air intake path located inside the dust unit. The air containing dust that has passed through the intake passage is discharged from the outlet (exhaust port) of the intake passage toward the inner peripheral surface of the dust case. The air discharged from the intake passage swirls along the inner peripheral surface of the dust case. Due to the centrifugal force generated by this swirl, the dust is separated from the air and collected inside the dust case.
　円筒状の塵箱の塵箱蓋側に入口（吸込入口）が配置されたサイクロン式の掃除機が提案されている（例えば、特許文献１参照）。 A cyclone-type vacuum cleaner in which an inlet (suction inlet) is arranged on the dust box lid side of a cylindrical dust box has been proposed (see, for example, Patent Document 1).
特開２０１９－１１８８１３号公報Japanese Unexamined Patent Publication No. 2019-18813
　ここで、一般的に、吸気路の中心から吸気路の出口までの距離が長いと、ダストユニットの内部で空気を旋回させる旋回力は、高まる。旋回力が高まると、ダストユニットにおけるゴミと空気との分離機能は、高まる。そのため、ゴミと空気との分離機能を高めるためには、ダストユニットの径を大きくすることが考えられる。しかしダストユニットの径を大きくすると、掃除機全体が大型化する。 Here, in general, when the distance from the center of the intake passage to the outlet of the intake passage is long, the turning force for swirling the air inside the dust unit increases. As the turning force increases, the function of separating dust and air in the dust unit increases. Therefore, in order to enhance the function of separating dust and air, it is conceivable to increase the diameter of the dust unit. However, if the diameter of the dust unit is increased, the entire vacuum cleaner becomes larger.
　本発明は、ダストユニットの径を大きくすることなく、ゴミと空気との分離機能を高めることができるダストユニットを実現することを目的とする。 An object of the present invention is to realize a dust unit capable of enhancing the function of separating dust and air without increasing the diameter of the dust unit.
　本発明に係るダストユニットは、塵埃を含む空気の旋回流を形成する分離ユニットと、分離ユニットを収容するダストケースと、を有してなり、分離ユニットは、空気が通過する吸気路を構成する吸気管と、吸気路からの空気を排出する排出口を備える排出部と、を備え、ダストケースは、排出部から排出された空気を旋回させる壁、を備え、吸気路は、ダストケースの中心から壁側にオフセットされた位置に配置される、ことを特徴とする。 The dust unit according to the present invention includes a separation unit that forms a swirling flow of air containing dust, and a dust case that houses the separation unit, and the separation unit constitutes an intake passage through which air passes. It comprises an intake pipe and an outlet with an outlet for discharging air from the intake passage, the dust case has a wall for swirling the air discharged from the exhaust passage, and the intake passage is the center of the dust case. It is characterized in that it is arranged at a position offset from the wall side.
　本発明によれば、ダストユニットの径を大きくすることなく、ゴミと空気との分離機能を高めることができる。 According to the present invention, the function of separating dust and air can be enhanced without increasing the diameter of the dust unit.
本発明に係る掃除機の実施の形態を示す正面斜視図である。It is a front perspective view which shows the embodiment of the vacuum cleaner which concerns on this invention. 図１の掃除機が備える掃除機用ヘッドの正面斜視図である。It is a front perspective view of the head for a vacuum cleaner provided in the vacuum cleaner of FIG. 図２の掃除機用ヘッドの底面斜視図である。It is a bottom perspective view of the head for a vacuum cleaner of FIG. 図１の掃除機が備える掃除機用本体の背面図である。It is a rear view of the main body for a vacuum cleaner provided in the vacuum cleaner of FIG. 図４の掃除機用本体のＡ矢視側面図である。It is A side view of the main body for a vacuum cleaner of FIG. 図４の掃除機用本体を構成する本体部とダストボックスとの分解側面図である。It is an exploded side view of the main body part which constitutes the main body for a vacuum cleaner of FIG. 4, and a dust box. 図４の掃除機用本体のＢＢ線における断面図である。It is sectional drawing in the BB line of the main body for a vacuum cleaner of FIG. 図６のダストボックスの正面図である。It is a front view of the dust box of FIG. 図８のダストボックスの側面斜視図である。It is a side perspective view of the dust box of FIG. 図８のダストボックスのＣＣ線における断面図である。It is sectional drawing in CC line of the dust box of FIG. 図８のダストボックスのＤＤ線における断面図である。It is sectional drawing in the DD line of the dust box of FIG. 図８のダストボックスが備える分離ユニットの側面図である。It is a side view of the separation unit provided in the dust box of FIG. 図８のダストボックスが備える吸気路の中心とダストケースの外周壁との距離を示す模式図である。It is a schematic diagram which shows the distance between the center of the intake passage provided in the dust box of FIG. 8 and the outer peripheral wall of a dust case. 図１３のダストケースの中心とダストケースの外周壁との距離を示す模式図である。It is a schematic diagram which shows the distance between the center of the dust case of FIG. 13 and the outer peripheral wall of a dust case.
　本発明に係るダストユニットと掃除機とは、以下の実施の形態と図面とにより説明される。 The dust unit and the vacuum cleaner according to the present invention will be described with reference to the following embodiments and drawings.
●掃除機●
●掃除機の構成
　図１は、本発明に係る掃除機の実施の形態を示す正面斜視図である。 ● Vacuum cleaner ●
● Configuration of Vacuum Cleaner FIG. 1 is a front perspective view showing an embodiment of a vacuum cleaner according to the present invention.
　掃除機１は、清掃面上の塵埃などのゴミを吸い取る。掃除機１は、掃除機用ヘッド１０と、自在継手部２０と、掃除機用本体３０と、ハンドル４０と、を有してなる。 Vacuum cleaner 1 sucks up dust and other debris on the cleaning surface. The vacuum cleaner 1 includes a vacuum cleaner head 10, a universal joint portion 20, a vacuum cleaner main body 30, and a handle 40.
　図２は、掃除機用ヘッド１０の正面斜視図である。
　図３は、掃除機用ヘッド１０の底面斜視図である。 FIG. 2 is a front perspective view of the vacuum cleaner head 10.
FIG. 3 is a bottom perspective view of the vacuum cleaner head 10.
　掃除機用ヘッド１０は、清掃面上の塵埃などのゴミを含む空気を吸引する。掃除機用ヘッド１０は、自在継手部２０を介して、掃除機用本体３０に接続される。掃除機用ヘッド１０は、ヘッド本体１１を備える。 The vacuum cleaner head 10 sucks air containing dust such as dust on the cleaning surface. The vacuum cleaner head 10 is connected to the vacuum cleaner main body 30 via the universal joint portion 20. The vacuum cleaner head 10 includes a head body 11.
　ヘッド本体１１は、清掃面の塵埃を掻き取る回転ブラシ（第１回転ブラシ１１４，第２回転ブラシ１１５）を収容する。ヘッド本体１１は、吸引口１１０と、取付口１１１と、吸引部１１２と、カバー体１１３と、回転ブラシ（第１回転ブラシ１１４，第２回転ブラシ１１５）と、第１ホバー用ブラシ１１６と、第２ホバー用ブラシ１１７と、キャスター（第１キャスター１１８ａ，第２キャスター１１８ｂ）と、安全キャスター１１９と、を備える。 The head body 11 accommodates a rotating brush (first rotating brush 114, second rotating brush 115) that scrapes off dust on the cleaning surface. The head body 11 includes a suction port 110, a mounting port 111, a suction portion 112, a cover body 113, a rotating brush (first rotating brush 114, second rotating brush 115), and a first hover brush 116. A second hover brush 117, casters (first caster 118a, second caster 118b), and a safety caster 119 are provided.
　吸引口１１０は、第１回転ブラシ１１４と第２回転ブラシ１１５とにより掻き取られて吸引部１１２に集塵されたゴミが通過する通路（流路）である。吸引口１１０は、ヘッド本体１１の略中央で、取付口１１１と重なる位置に配置される。 The suction port 110 is a passage (flow path) through which dust collected by the first rotating brush 114 and the second rotating brush 115 and collected in the suction unit 112 passes. The suction port 110 is arranged at a position substantially in the center of the head main body 11 and overlapping with the mounting port 111.
　取付口１１１は、自在継手部２０が取り付けられる孔である。取付口１１１は、ヘッド本体１１の略中央に配置される。取付口１１１の内部に、吸引口１１０が配置される。 The mounting port 111 is a hole to which the universal joint portion 20 is mounted. The mounting port 111 is arranged substantially in the center of the head body 11. A suction port 110 is arranged inside the mounting port 111.
　吸引部１１２は、第１回転ブラシ１１４と第２回転ブラシ１１５とにより掻き取られたゴミが集塵される空間である。吸引部１１２に集塵されたゴミは、後述される吸引モータ（不図示）で駆動される吸気ファンが動作して発生する吸引力により、吸引口１１０を介して、掃除機用本体３０のダストボックス３２（図４参照）に収納される。 The suction unit 112 is a space in which dust scraped off by the first rotating brush 114 and the second rotating brush 115 is collected. The dust collected in the suction unit 112 is collected through the suction port 110 by the suction force generated by the operation of the intake fan driven by the suction motor (not shown) described later, and the dust box of the main body 30 for the vacuum cleaner. It is stored in 32 (see FIG. 4).
　カバー体１１３は、内部に第１回転ブラシ１１４と第２回転ブラシ１１５とを収容する。カバー体１１３は、上部カバー１１３ａと、サイドカバー１１３ｂと、サイドカバー１１３ｃと、を備える。 The cover body 113 houses the first rotating brush 114 and the second rotating brush 115 inside. The cover body 113 includes an upper cover 113a, a side cover 113b, and a side cover 113c.
　上部カバー１１３ａは、平面視略中央に吸引口１１０を備える。上部カバー１１３ａは、第１回転ブラシ１１４と第２回転ブラシ１１５とを上方から覆う。 The upper cover 113a is provided with a suction port 110 in the substantially center of the plan view. The upper cover 113a covers the first rotating brush 114 and the second rotating brush 115 from above.
　サイドカバー１１３ｂは、上部カバー１１３ａの右側の端部に取り付けられる。サイドカバー１１３ｂの下面略中央には、第１キャスター１１８ａが取り付けられる。 The side cover 113b is attached to the right end of the upper cover 113a. A first caster 118a is attached to substantially the center of the lower surface of the side cover 113b.
　サイドカバー１１３ｃは、上部カバー１１３ａの左側の端部に取り付けられる。サイドカバー１１３ｃの下面略中央には、第２キャスター１１８ｂが取り付けられる。 The side cover 113c is attached to the left end of the upper cover 113a. A second caster 118b is attached to substantially the center of the lower surface of the side cover 113c.
　回転ブラシは、カバー体１１３に収容される。回転ブラシは、左右方向（掃除機用ヘッド１０の平面視における長手方向）に延びるブラシである。回転ブラシは、第１回転ブラシ１１４と第２回転ブラシ１１５とを備える。第１回転ブラシ１１４と第２回転ブラシ１１５のそれぞれは、回転しながら清掃面と部分的に当接（接地・接触）して、清掃面上の塵埃などのゴミや、清掃面が毛足の長いカーペットの表面の場合に毛足の内部に入り込んだ髪の毛や食べ物のカスなどのゴミを掻き出して、吸引部１１２に集塵する。第１回転ブラシ１１４の形状と大きさと質量それぞれは、第２回転ブラシ１１５の形状と大きさと質量それぞれと同じである。 The rotating brush is housed in the cover body 113. The rotary brush is a brush that extends in the left-right direction (longitudinal direction in the plan view of the vacuum cleaner head 10). The rotary brush includes a first rotary brush 114 and a second rotary brush 115. Each of the first rotating brush 114 and the second rotating brush 115 partially abuts (grounds / contacts) with the cleaning surface while rotating, and dust and the like on the cleaning surface and the cleaning surface are fluffy. In the case of the surface of a long carpet, dust such as hair and food debris that has entered the inside of the hair feet is scraped out and collected in the suction unit 112. The shape, size, and mass of the first rotating brush 114 are the same as the shape, size, and mass of the second rotating brush 115, respectively.
　第１回転ブラシ１１４は、第１回転軸（不図示）に取り付けられて、カバー体１１３（上部カバー１１３ａ）の内部に収容される。第１回転ブラシ１１４は、駆動モータ（不図示）の回転駆動による第１回転軸の回転に伴い、回転する。第１回転ブラシ１１４は、ヘッド本体１１の正面側に配置される。 The first rotating brush 114 is attached to the first rotating shaft (not shown) and is housed inside the cover body 113 (upper cover 113a). The first rotary brush 114 rotates with the rotation of the first rotary shaft due to the rotary drive of the drive motor (not shown). The first rotating brush 114 is arranged on the front side of the head main body 11.
　第２回転ブラシ１１５は、第２回転軸（不図示）に取り付けられて、カバー体１１３（上部カバー１１３ａ）の内部に収容される。第２回転ブラシ１１５は、駆動モータ（不図示）の回転駆動による第２回転軸の回転に伴い、回転する。第２回転ブラシ１１５は、ヘッド本体１１の背面側に配置される。また、第２回転ブラシ１１５は、第１回転ブラシ１１４の回転方向とは逆回りに回転する。 The second rotating brush 115 is attached to the second rotating shaft (not shown) and is housed inside the cover body 113 (upper cover 113a). The second rotary brush 115 rotates with the rotation of the second rotary shaft due to the rotary drive of the drive motor (not shown). The second rotating brush 115 is arranged on the back surface side of the head main body 11. Further, the second rotating brush 115 rotates in the direction opposite to the rotation direction of the first rotating brush 114.
　第１ホバー用ブラシ１１６は、第１回転ブラシ１１４の左右両端に配置されて、第１回転ブラシ１１４と共に回転する。第１ホバー用ブラシ１１６は、第１回転ブラシ１１４と清掃面との間の摩擦力を低減する。 The first hover brush 116 is arranged at both left and right ends of the first rotating brush 114 and rotates together with the first rotating brush 114. The first hover brush 116 reduces the frictional force between the first rotating brush 114 and the cleaning surface.
　第２ホバー用ブラシ１１７は、第２回転ブラシ１１５の左右両端に配置されて、第２回転ブラシ１１５と共に回転する。第２ホバー用ブラシ１１７は、第２回転ブラシ１１５と清掃面との間の摩擦力を低減する。 The second hover brush 117 is arranged at the left and right ends of the second rotating brush 115 and rotates together with the second rotating brush 115. The second hover brush 117 reduces the frictional force between the second rotating brush 115 and the cleaning surface.
　第１キャスター１１８ａは、ヘッド本体１１に取り付けられて、ヘッド本体１１の進行方向に沿って、回転する。第１キャスター１１８ａは、清掃面上を全方位に亘って回転自在である。第１キャスター１１８ａは、サイドカバー１１３ｂの下部に配置される。第１キャスター１１８ａは、例えば、車輪式のキャスターである。第１キャスター１１８ａは、第１回転ブラシ１１４と第２回転ブラシ１１５との中間位置に配置される。すなわち、第１キャスター１１８ａは、第１回転ブラシ１１４と第２回転ブラシ１１５それぞれと等距離の位置に配置される。 The first caster 118a is attached to the head body 11 and rotates along the traveling direction of the head body 11. The first caster 118a is rotatable in all directions on the cleaning surface. The first caster 118a is arranged below the side cover 113b. The first caster 118a is, for example, a wheel type caster. The first caster 118a is arranged at an intermediate position between the first rotating brush 114 and the second rotating brush 115. That is, the first caster 118a is arranged at a position equidistant from each of the first rotating brush 114 and the second rotating brush 115.
　第２キャスター１１８ｂは、ヘッド本体１１に取り付けられて、ヘッド本体１１の進行方向に沿って、回転する。第２キャスター１１８ｂは、清掃面上を全方位に亘って回転自在である。第２キャスター１１８ｂは、サイドカバー１１３ｃの下部に配置される。第２キャスター１１８ｂは、例えば、車輪式のキャスターである。第２キャスター１１８ｂは、第１回転ブラシ１１４と第２回転ブラシ１１５との中間位置に配置される。すなわち、第２キャスター１１８ｂは、第１回転ブラシ１１４と第２回転ブラシ１１５それぞれと等距離の位置に配置される。 The second caster 118b is attached to the head body 11 and rotates along the traveling direction of the head body 11. The second caster 118b is rotatable in all directions on the cleaning surface. The second caster 118b is arranged below the side cover 113c. The second caster 118b is, for example, a wheel type caster. The second caster 118b is arranged at an intermediate position between the first rotating brush 114 and the second rotating brush 115. That is, the second caster 118b is arranged at a position equidistant from each of the first rotating brush 114 and the second rotating brush 115.
　第１キャスター１１８ａの形状と大きさと質量それぞれは、第２キャスター１１８ｂの形状と大きさと質量それぞれと同じである。第１キャスター１１８ａと第２キャスター１１８ｂとを結ぶ線（仮想線）の方向は、第１回転ブラシ１１４の延在方向と、第２回転ブラシ１１５の延在方向と平行である。 The shape, size, and mass of the first caster 118a are the same as the shape, size, and mass of the second caster 118b, respectively. The direction of the line (virtual line) connecting the first caster 118a and the second caster 118b is parallel to the extending direction of the first rotating brush 114 and the extending direction of the second rotating brush 115.
　安全キャスター１１９は、ヘッド本体１１の下部に取り付けられる。安全キャスター１１９は、上下方向に進退可能である。安全キャスター１１９は、車輪式のキャスターで、正面－背面方向に回転可能である。 The safety caster 119 is attached to the lower part of the head body 11. The safety caster 119 can move up and down. Safety casters 119 are wheeled casters that can rotate in the front-back direction.
　安全キャスター１１９は、掃除機用ヘッド１０が清掃面に載置された状態（以下「載置状態」という。）のとき、上方（清掃面と反対の方向）に後退（退避）する。駆動モータ（不図示）は、載置状態のとき通電された状態（以下「通電状態」という。）になる。通電状態の駆動モータは、第１回転ブラシ１１４と第２回転ブラシ１１５とを駆動する。駆動された第１回転ブラシ１１４と第２回転ブラシ１１５とは、回転する。 The safety caster 119 retracts (retracts) upward (in the direction opposite to the cleaning surface) when the vacuum cleaner head 10 is mounted on the cleaning surface (hereinafter referred to as "mounted state"). The drive motor (not shown) is in an energized state (hereinafter referred to as "energized state") when it is in the mounted state. The drive motor in the energized state drives the first rotary brush 114 and the second rotary brush 115. The driven first rotating brush 114 and the second rotating brush 115 rotate.
　一方、安全キャスター１１９は、掃除機用ヘッド１０が清掃面から離間している状態（以下「離間状態」という。）のとき、下方（清掃面に向かう方向）に前進（進行）する。駆動モータは、離間状態のとき通電状態が解除された状態（非通電状態）になる。非通電状態の駆動モータは、第１回転ブラシ１１４と第２回転ブラシ１１５とを駆動しない。駆動されない第１回転ブラシ１１４と第２回転ブラシ１１５とは、回転しない。つまり、通電状態において駆動されて回転していた第１回転ブラシ１１４の回転と、第２回転ブラシ１１５の回転とは、非通電状態で止まる。 On the other hand, the safety caster 119 advances (progresses) downward (in the direction toward the cleaning surface) when the vacuum cleaner head 10 is separated from the cleaning surface (hereinafter referred to as "separated state"). When the drive motor is in the separated state, the energized state is released (non-energized state). The drive motor in the non-energized state does not drive the first rotary brush 114 and the second rotary brush 115. The undriven first rotating brush 114 and the second rotating brush 115 do not rotate. That is, the rotation of the first rotating brush 114, which was driven and rotated in the energized state, and the rotation of the second rotating brush 115 stop in the non-energized state.
　図１に戻る。
　自在継手部２０は、掃除機用ヘッド１０と掃除機用本体３０とを連結する。自在継手部２０は、掃除機用ヘッド１０に対して掃除機用本体３０が全方位に亘って任意の角度で自由に傾くことを可能にする。 Return to FIG.
The universal joint portion 20 connects the vacuum cleaner head 10 and the vacuum cleaner main body 30. The universal joint portion 20 enables the vacuum cleaner main body 30 to freely tilt at an arbitrary angle with respect to the vacuum cleaner head 10.
　自在継手部２０の一端（図１における紙面下端）は、取付口１１１に取り付けられる。すなわち、自在継手部２０は、掃除機用ヘッド１０の上部略中央に取り付けられる。自在継手部２０の一端は、吸引口１１０と平面視で重なる位置に配置される。吸引口１１０の軸心（軸線）は、自在継手部２０の軸心と一致する。 One end of the universal joint portion 20 (the lower end of the paper surface in FIG. 1) is attached to the attachment port 111. That is, the universal joint portion 20 is attached to substantially the center of the upper part of the vacuum cleaner head 10. One end of the universal joint portion 20 is arranged at a position where it overlaps with the suction port 110 in a plan view. The axis (axis) of the suction port 110 coincides with the axis of the universal joint portion 20.
　自在継手部２０の他端（図１における紙面上端）は、掃除機用本体３０の下端に取り付けられる。自在継手部２０の軸心は、掃除機用本体３０の軸心と一致する。すなわち、自在継手部２０の軸心は、掃除機用本体３０の軸心上に位置する。これにより、掃除機用本体３０は、吸引口１１０の軸心（軸線）上に位置すると共に、掃除機用ヘッド１０に対して全方位に亘って任意の角度で自由に傾く。 The other end of the universal joint portion 20 (the upper end of the paper surface in FIG. 1) is attached to the lower end of the vacuum cleaner main body 30. The axis of the universal joint portion 20 coincides with the axis of the vacuum cleaner main body 30. That is, the axis of the universal joint portion 20 is located on the axis of the vacuum cleaner main body 30. As a result, the vacuum cleaner main body 30 is located on the axis (axis) of the suction port 110 and is freely tilted at an arbitrary angle with respect to the vacuum cleaner head 10.
　自在継手部２０は、例えば、蛇腹状のホースなどの可撓性部材（不図示）を内部に収容する。可撓性部材は、吸引口１１０と、掃除機用本体３０の下端と、に接続される。可撓性部材は、吸引口１１０を通過したゴミが掃除機用本体３０に向けて通過する通路（流路）を構成する。 The universal joint portion 20 houses a flexible member (not shown) such as a bellows-shaped hose inside. The flexible member is connected to the suction port 110 and the lower end of the vacuum cleaner main body 30. The flexible member constitutes a passage (flow path) through which dust passing through the suction port 110 passes toward the vacuum cleaner main body 30.
　自在継手部２０の他端と、可撓性部材とは、掃除機用本体３０の下端に着脱自在である。 The other end of the universal joint portion 20 and the flexible member are detachable from the lower end of the vacuum cleaner main body 30.
　図４は、掃除機用本体３０の背面図である。
　図５は、図４の掃除機用本体３０のＡ矢視側面図である。 FIG. 4 is a rear view of the vacuum cleaner main body 30.
FIG. 5 is a side view taken along the line A of the main body 30 for a vacuum cleaner of FIG.
　掃除機用本体３０は、本体部３１と、ダストボックス３２と、を備える。掃除機用本体３０は、ハンドル４０（図１参照）と着脱可能である。掃除機用本体３０の一端（図４における紙面下端）は、自在継手部２０（図１参照）に接続される。掃除機用本体３０の他端（図４における紙面上端）は、ハンドル４０に接続される。掃除機用本体３０は、略筒状である。本体部３１は、ハンドル着脱部３３と、ハンドル取外部３４と、排気口３５と、吸引モータ（不図示）と、バッテリ（不図示）と、を備える。 The vacuum cleaner main body 30 includes a main body portion 31 and a dust box 32. The vacuum cleaner body 30 is removable from the handle 40 (see FIG. 1). One end (lower end of the paper surface in FIG. 4) of the vacuum cleaner main body 30 is connected to the universal joint portion 20 (see FIG. 1). The other end of the vacuum cleaner body 30 (the upper end of the paper surface in FIG. 4) is connected to the handle 40. The vacuum cleaner main body 30 has a substantially tubular shape. The main body 31 includes a handle attachment / detachment portion 33, a handle removal outer side 34, an exhaust port 35, a suction motor (not shown), and a battery (not shown).
　ダストボックス３２は、本体部３１と着脱可能である。後述のとおり、ダストボックス３２を構成する部材の一部は、透明もしくは半透明な部材で構成される。そのため、ダストボックス３２の内部構造は、ダストボックス３２の外部から視認可能である（図４，図５のほか、後述の図６，図８，図９参照）。 The dust box 32 is removable from the main body 31. As will be described later, a part of the members constituting the dust box 32 is composed of a transparent or translucent member. Therefore, the internal structure of the dust box 32 can be visually recognized from the outside of the dust box 32 (see FIGS. 4, 5 and 6, 6, 8 and 9 described later).
　図６は、本体部３１とダストボックス３２との分解側面図である。
　同図は、本体部３１からダストボックス３２が取り外されている状態を示す。
　図７は、図４の掃除機用本体３０のＢＢ線における断面図である。
　同図は、本体部３１にダストボックス３２が取り付けられている状態を示す。同図は、本体部３１の内部の構造の図示を省略する。 FIG. 6 is an exploded side view of the main body 31 and the dust box 32.
The figure shows a state in which the dust box 32 is removed from the main body 31.
FIG. 7 is a cross-sectional view taken along the line BB of the vacuum cleaner main body 30 of FIG.
The figure shows a state in which the dust box 32 is attached to the main body 31. In the figure, the illustration of the internal structure of the main body 31 is omitted.
　本体部３１は、ダストボックス３２と吸引モータとバッテリとを収容する。本体部３１の一端（図７における紙面下端）は、自在継手部２０（図１参照）に接続される。本体部３１は、ダストボックス収容部３１１と固定部３１２とを備える。 The main body 31 accommodates the dust box 32, the suction motor, and the battery. One end of the main body portion 31 (lower end of the paper surface in FIG. 7) is connected to the universal joint portion 20 (see FIG. 1). The main body 31 includes a dust box accommodating portion 311 and a fixing portion 312.
　ダストボックス収容部３１１は、ダストボックス３２を収容する、側面視でコの字状（図７参照）の切り欠かれた空間である。ダストボックス３２は、この切り欠きの内部に配置される。ダストボックス収容部３１１の底部は、本体部３１の正面側（図７における紙面左側）から本体部３１の背面側（図７における紙面右側）に掛けて、下方に傾斜するテーパ面である。一方、ダストボックス収容部３１１の上部は、本体部３１の正面側から本体部３１の背面側に掛けて、上方に傾斜するテーパ面である。 The dust box accommodating portion 311 is a U-shaped (see FIG. 7) cutout space for accommodating the dust box 32 when viewed from the side. The dust box 32 is arranged inside this notch. The bottom portion of the dust box accommodating portion 311 is a tapered surface that hangs from the front side of the main body portion 31 (left side of the paper surface in FIG. 7) to the back side side of the main body portion 31 (right side of the paper surface in FIG. 7) and is inclined downward. On the other hand, the upper portion of the dust box accommodating portion 311 is a tapered surface that hangs from the front side of the main body portion 31 to the back side of the main body portion 31 and is inclined upward.
　固定部３１２は、ダストボックス３２を本体部３１に固定する。固定部３１２は、ダストボックス３２がダストボックス収容部３１１（本体部３１）に収容されたとき、ダストボックス３２の後述されるホック５１１Ｃを留める部分である。 The fixing portion 312 fixes the dust box 32 to the main body portion 31. The fixing portion 312 is a portion for fastening the hook 511C described later of the dust box 32 when the dust box 32 is housed in the dust box accommodating portion 311 (main body portion 31).
　本体部３１にダストボックス３２が収容されたとき、本体部３１とダストボックス３２とで構成される形状は、略円筒状である。 When the dust box 32 is housed in the main body 31, the shape composed of the main body 31 and the dust box 32 is substantially cylindrical.
　ダストボックス３２は、第１回転ブラシ１１４（図３参照）と第２回転ブラシ１１５(図３参照)とにより掻き取られて空気と共に吸引されたゴミを、空気から分離する。ダストボックス３２の内部で空気から分離されたゴミは、ダストボックス３２の内部に集塵される。ゴミが分離された空気は、ダストボックス３２から本体部３１の内部を通過して、排気口３５から本体部３１の外部に排出される。ダストボックス３２の内部に集塵されたゴミは、ユーザによりダストボックス３２の外部に捨てられる。このとき、先ず、ユーザは、ダストボックス３２を本体部３１から取り外す。次いで、ユーザは、ダストボックス３２の一部の部材（後述される分離ユニット５２０とフィルタユニット５３０）を、ゴミを収容する部材（後述されるダストケース５１０）から取り外す。次いで、ユーザは、ゴミを収容する部材を傾けるなどして、同部材の開口からゴミを排出する。ダストボックス３２の具体的構成は、後述される。なお、ダストボックス３２は、ダストボックス収容部３１１（本体部３１）の側方から、ダストボックス収容部３１１に収容される。 The dust box 32 separates dust that has been scraped off by the first rotating brush 114 (see FIG. 3) and the second rotating brush 115 (see FIG. 3) and sucked together with the air from the air. The dust separated from the air inside the dust box 32 is collected inside the dust box 32. The air from which the dust is separated passes through the inside of the main body 31 from the dust box 32, and is discharged to the outside of the main body 31 from the exhaust port 35. The dust collected inside the dust box 32 is discarded by the user to the outside of the dust box 32. At this time, first, the user removes the dust box 32 from the main body 31. Next, the user removes a part of the members of the dust box 32 (separation unit 520 and filter unit 530 described later) from the member containing dust (dust case 510 described later). Next, the user discharges the dust from the opening of the member by tilting the member for accommodating the dust. The specific configuration of the dust box 32 will be described later. The dust box 32 is accommodated in the dust box accommodating portion 311 from the side of the dust box accommodating portion 311 (main body portion 31).
　図１と図４と図５とに戻る。
　ハンドル着脱部３３は、ハンドル４０と着脱可能である。ハンドル着脱部３３は、本体部３１の他端（図４における紙面上端）に配置される。ハンドル着脱部３３は、挿入口（不図示）を備える。挿入口は、ハンドル４０の挿入部（不図示）が挿入される開口である。 Return to FIG. 1, FIG. 4 and FIG.
The handle attachment / detachment portion 33 is removable from the handle 40. The handle attachment / detachment portion 33 is arranged at the other end of the main body portion 31 (the upper end of the paper surface in FIG. 4). The handle attachment / detachment portion 33 includes an insertion port (not shown). The insertion port is an opening into which the insertion portion (not shown) of the handle 40 is inserted.
　ハンドル取外部３４は、ユーザがハンドル着脱部３３に装着されたハンドル４０を取り外すときに使用される。ハンドル取外部３４は、例えば、押圧式のボタンである。ハンドル取外部３４は、例えば、ハンドル着脱部３３に取り付けられる。 The handle removal outer 34 is used when the user removes the handle 40 attached to the handle attachment / detachment portion 33. The handle removal outer surface 34 is, for example, a pressing type button. The handle removal outer surface 34 is attached to, for example, the handle attachment / detachment portion 33.
　「ユーザ」は、掃除機１の使用者（操作者）である。 The "user" is the user (operator) of the vacuum cleaner 1.
　排気口３５は、吸引モータにより吸引されて、ダストボックス３２を通過した空気を本体部３１の外部に排出する。排気口３５は、本体部３１の外周に配置された複数の開口である。排気口３５は、本体部３１の内部と外部とを連通させる。排気口３５は、本体部３１の内部の空気を外部に排出する。 The exhaust port 35 is sucked by a suction motor and discharges the air that has passed through the dust box 32 to the outside of the main body 31. The exhaust port 35 is a plurality of openings arranged on the outer periphery of the main body 31. The exhaust port 35 communicates the inside and the outside of the main body 31 with each other. The exhaust port 35 exhausts the air inside the main body 31 to the outside.
　吸引モータは、吸引部１１２から排気口３５までの流路に気流を発生させる吸気ファン（不図示）を駆動する。吸引モータに駆動された吸気ファンは、空気を吸引する。吸引モータと吸気ファンとは、本体部３１に収容される。 The suction motor drives an intake fan (not shown) that generates an air flow in the flow path from the suction unit 112 to the exhaust port 35. The intake fan driven by the suction motor sucks air. The suction motor and the intake fan are housed in the main body 31.
　バッテリは、駆動モータと吸引モータとを駆動させる動力源である。バッテリは、本体部３１に収容される（取り付けられる）。 The battery is a power source that drives the drive motor and the suction motor. The battery is housed (attached) in the main body 31.
　ハンドル４０は、使用時にユーザに把持される。すなわち、ユーザは、ハンドル４０を把持して掃除機１を操作する。ハンドル４０は、棒状で略円筒状である。ハンドル４０は、ハンドル着脱部３３に着脱自在に取り付けられる（装着される）。ハンドル４０は、ハンドル着脱部３３（掃除機用本体３０）に取り付けられている（装着されている）とき、ハンドル着脱部３３（掃除機用本体３０）から上方に延在する。ハンドル着脱部３３に取り付けられた状態におけるハンドル４０の軸心（軸線）は、自在継手部２０の軸心と一致する。ハンドル４０は、把持部４１と、操作部４２と、挿入部（不図示）と、を備える。 The handle 40 is gripped by the user during use. That is, the user grips the handle 40 and operates the vacuum cleaner 1. The handle 40 is rod-shaped and substantially cylindrical. The handle 40 is detachably attached (attached) to the handle attachment / detachment portion 33. When the handle 40 is attached (mounted) to the handle attachment / detachment portion 33 (vacuum cleaner main body 30), the handle 40 extends upward from the handle attachment / detachment portion 33 (vacuum cleaner main body 30). The axis (axis) of the handle 40 in the state of being attached to the handle attachment / detachment portion 33 coincides with the axis of the universal joint portion 20. The handle 40 includes a grip portion 41, an operation portion 42, and an insertion portion (not shown).
　なお、ハンドルの形状は、棒状に限定されない。すなわち、例えば、ハンドルの形状は、取手形状でもよい。 The shape of the handle is not limited to the rod shape. That is, for example, the shape of the handle may be the shape of a handle.
　把持部４１は、ユーザに把持される。把持部４１は、操作部４２と挿入部との間の部分である。 The grip portion 41 is gripped by the user. The grip portion 41 is a portion between the operation portion 42 and the insertion portion.
　操作部４２は、掃除機１の電源のオンとオフとを切り換える。すなわち、操作部４２は、駆動モータや吸引モータの動作を制御する。操作部４２は、例えば、押圧式の操作ボタンである。操作部４２は、ハンドル４０の他端側（上端側）に配置される。操作部４２は、掃除を開始するとき（一時的に中断していた掃除を再開するとき）と、掃除を終了するとき（一時的に掃除を中断するとき）とに、ユーザにより操作される。 The operation unit 42 switches the power of the vacuum cleaner 1 on and off. That is, the operation unit 42 controls the operation of the drive motor and the suction motor. The operation unit 42 is, for example, a pressing type operation button. The operation unit 42 is arranged on the other end side (upper end side) of the handle 40. The operation unit 42 is operated by the user when the cleaning is started (when the cleaning that has been temporarily interrupted is resumed) and when the cleaning is finished (when the cleaning is temporarily interrupted).
　挿入部は、ハンドル着脱部３３の挿入口に挿入される。挿入部は、ハンドル４０の一端側（下端側）に配置される。挿入部が挿入口に挿入されることで、ハンドル４０は、ハンドル着脱部３３（掃除機用本体３０）に取り付けられる（装着される）。 The insertion portion is inserted into the insertion slot of the handle attachment / detachment portion 33. The insertion portion is arranged on one end side (lower end side) of the handle 40. By inserting the insertion portion into the insertion slot, the handle 40 is attached (mounted) to the handle attachment / detachment portion 33 (vacuum cleaner main body 30).
　ユーザは、ハンドル着脱部３３にハンドル４０が装着された状態で、ハンドル取外部３４（図４参照）を押圧しながらハンドル４０を掃除機用本体３０から離反する方向に引っ張ることにより、ハンドル４０を、ハンドル着脱部３３（掃除機用本体３０）から取り外すことができる。 With the handle 40 attached to the handle attachment / detachment portion 33, the user pulls the handle 40 in a direction away from the vacuum cleaner main body 30 while pressing the handle removal outer surface 34 (see FIG. 4) to pull the handle 40. , Can be removed from the handle attachment / detachment portion 33 (vacuum cleaner main body 30).
●ダストボックスの構成
　図８は、ダストボックス３２の正面図である。
　図９は、ダストボックス３２の側面斜視図である。
　図１０は、図８のダストボックス３２のＣＣ線における断面図である。
　図１１は、図８のダストボックス３２のＤＤ線における断面図である。 ● Configuration of the dust box FIG. 8 is a front view of the dust box 32.
FIG. 9 is a side perspective view of the dust box 32.
FIG. 10 is a cross-sectional view taken along the line CC of the dust box 32 of FIG.
FIG. 11 is a cross-sectional view taken along the line DD of the dust box 32 of FIG.
　ダストボックス３２は、ダストユニット５００とカバーユニット５００Ｃとを有してなる。 The dust box 32 includes a dust unit 500 and a cover unit 500C.
　ダストユニット５００は、吸引口１１０（図２参照）を通過したゴミを含む空気から、ゴミを分離する。ダストユニット５００は、ダストケース５１０と、分離ユニット５２０と、フィルタユニット５３０と、を備える。 The dust unit 500 separates dust from the air containing dust that has passed through the suction port 110 (see FIG. 2). The dust unit 500 includes a dust case 510, a separation unit 520, and a filter unit 530.
　ダストケース５１０は、分離ユニット５２０を内部に収容する。ダストケース５１０の上部（図８における紙面上方）には、フィルタユニット５３０が配置される。ダストケース５１０は、吸引された空気から分離されたゴミを集塵する。ダストケース５１０は、例えば、透明または半透明のプラスチックで構成される。ダストボックス３２が本体部３１に収容されているとき、ダストケース５１０は、本体部３１の外部から視認可能である。すなわち、ダストケース５１０の内部に集塵されたゴミは、掃除機用本体３０の外部から視認可能である。ダストケース５１０は、外周壁５１１と、内周壁５１２と、底部５１３と、足部５１４と、を備える。ダストケース５１０は、上部が開口する有底の略中空円筒状である。 The dust case 510 houses the separation unit 520 inside. A filter unit 530 is arranged on the upper part of the dust case 510 (above the paper surface in FIG. 8). The dust case 510 collects dust separated from the sucked air. The dust case 510 is made of, for example, a transparent or translucent plastic. When the dust box 32 is housed in the main body 31, the dust case 510 is visible from the outside of the main body 31. That is, the dust collected inside the dust case 510 can be visually recognized from the outside of the vacuum cleaner main body 30. The dust case 510 includes an outer peripheral wall 511, an inner peripheral wall 512, a bottom portion 513, and a foot portion 514. The dust case 510 is a bottomed, substantially hollow cylinder with an open top.
　外周壁５１１は、ダストケース５１０の外枠で、分離ユニット５２０から排出された空気を旋回させる壁である。外周壁５１１は、円筒状である。外周壁５１１の上部には、フィルタユニット５３０が配置される。 The outer peripheral wall 511 is an outer frame of the dust case 510 and is a wall for swirling the air discharged from the separation unit 520. The outer peripheral wall 511 has a cylindrical shape. A filter unit 530 is arranged on the upper part of the outer peripheral wall 511.
　内周壁５１２は、外周壁５１１の内側に、外周壁５１１と略平行に配置される。内周壁５１２は、底部５１３から上方に向けて突設する。内周壁５１２の内周面で囲まれた内部の空間（以下「内周壁５１２の内部空間」という。）は、分離ユニット５２０の後述される吸気管５２１と共に、第１吸気路Ｐ１を構成する。すなわち、内周壁５１２の内部空間は、第１吸気路Ｐ１の一部である。内周壁５１２は、外周壁５１１と底部５１３と共に、集塵空間ＤＳを構成する。内周壁５１２の底部５１３からの高さは、外周壁５１１の底部５１３からの高さの略半分である。内周壁５１２の上部は、分離ユニット５２０に接続される。第１吸気路Ｐ１と集塵空間ＤＳとの詳細は、後述される。 The inner peripheral wall 512 is arranged inside the outer peripheral wall 511 substantially parallel to the outer peripheral wall 511. The inner peripheral wall 512 projects upward from the bottom 513. The internal space surrounded by the inner peripheral surface of the inner peripheral wall 512 (hereinafter referred to as “internal space of the inner peripheral wall 512”) constitutes the first intake passage P1 together with the intake pipe 521 described later of the separation unit 520. That is, the internal space of the inner peripheral wall 512 is a part of the first intake passage P1. The inner peripheral wall 512, together with the outer peripheral wall 511 and the bottom portion 513, constitutes a dust collecting space DS. The height of the inner peripheral wall 512 from the bottom 513 is approximately half the height of the outer peripheral wall 511 from the bottom 513. The upper part of the inner peripheral wall 512 is connected to the separation unit 520. Details of the first intake passage P1 and the dust collecting space DS will be described later.
　底部５１３は、ダストケース５１０の底である。底部５１３には、ダストケース５１０の内部で分離されたゴミが集塵（蓄積）される。底部５１３は、ダストケース５１０の正面側（図１０における紙面右側）から背面側（図１０における紙面左側）に掛けて、上方に傾斜するテーパ面である。すなわち、底部５１３のうち、背面側の底部５１３の高さ位置（図１０における紙面上下方向の位置）は、正面側の底部５１３の高さ位置よりも高い。 The bottom portion 513 is the bottom of the dust case 510. Dust separated inside the dust case 510 is collected (accumulated) on the bottom 513. The bottom portion 513 is a tapered surface that is inclined upward from the front side (right side of the paper surface in FIG. 10) to the back side (left side of the paper surface in FIG. 10) of the dust case 510. That is, among the bottom portions 513, the height position of the bottom portion 513 on the back side (position in the vertical direction of the paper surface in FIG. 10) is higher than the height position of the bottom portion 513 on the front side.
　足部５１４は、ダストケース５１０を水平に維持する。足部５１４は、底部５１３の下面に配置される。足部５１４は、図１０に示されるように、ダストケース５１０の正面側（図１０における紙面右側）から背面側（図１０における紙面左側）に掛けて延びる板状の部材である。また、足部５１４は、図８に示されるように、底部５１３の左右に配置される。 The foot 514 keeps the dust case 510 horizontal. The foot portion 514 is arranged on the lower surface of the bottom portion 513. As shown in FIG. 10, the foot portion 514 is a plate-shaped member extending from the front side (right side of the paper surface in FIG. 10) to the back side (left side of the paper surface in FIG. 10) of the dust case 510. Further, the foot portion 514 is arranged on the left and right sides of the bottom portion 513 as shown in FIG.
　ダストケース５１０を構成する外周壁５１１と、内周壁５１２と、底部５１３とは、一体に成形される。ダストケース５１０の上端は、図１０に示されるように、側面断面視において、水平である。すなわち、テーパ面である底部５１３の傾きにより、背面側の外周壁５１１における底部５１３からダストケース５１０の上端までの長さは、正面側の外周壁５１１における底部５１３からダストケース５１０の上端までの長さよりも短い。 The outer peripheral wall 511, the inner peripheral wall 512, and the bottom portion 513 constituting the dust case 510 are integrally molded. The upper end of the dust case 510 is horizontal in a side sectional view, as shown in FIG. That is, due to the inclination of the bottom portion 513 which is the tapered surface, the length from the bottom portion 513 of the outer peripheral wall 511 on the back surface to the upper end of the dust case 510 is from the bottom portion 513 of the outer peripheral wall 511 on the front side to the upper end of the dust case 510. Shorter than the length.
　図１０に示される２つの一点鎖線のうち紙面右側の一点鎖線、および、図１１に示される２つの黒丸のうち紙面下側の黒丸は、ダストケース５１０の内径（外周壁５１１の内径）の中心軸（中心軸線）Ｘである。 Of the two alternate long and short dash lines shown in FIG. 10, the alternate long and short dash line on the right side of the paper surface and the black circle on the lower side of the paper surface among the two black circles shown in FIG. 11 are the centers of the inner diameter of the dust case 510 (inner diameter of the outer peripheral wall 511). Axis (central axis) X.
　分離ユニット５２０は、ダストケース５１０と共に、ゴミを含む空気の旋回流を形成する（生成する）。分離ユニット５２０は、吸気管５２１と、排出部５２２と、周壁５２３と、傘部５２４と、を備える。 The separation unit 520, together with the dust case 510, forms (generates) a swirling flow of air containing dust. The separation unit 520 includes an intake pipe 521, a discharge portion 522, a peripheral wall 523, and an umbrella portion 524.
　図１２は、分離ユニット５２０の側面図である。
　分離ユニット５２０に関する以下の説明は、図８－図１１も合わせて参照される。 FIG. 12 is a side view of the separation unit 520.
The following description of the separation unit 520 will also be referred to in FIGS. 8-11.
　吸気管５２１は、内部に空間を備える。吸気管５２１の内部空間は、ダストケース５１０の内周壁５１２の内部空間と連通する。吸気管５２１の内部空間は、図１１に示されるように、断面視で円形である。前述のとおり、吸気管５２１の内部空間は、内周壁５１２の内部空間と共に、第１吸気路Ｐ１を構成する。すなわち、吸気管５２１の内部空間は、第１吸気路Ｐ１の一部である。 The intake pipe 521 has a space inside. The internal space of the intake pipe 521 communicates with the internal space of the inner peripheral wall 512 of the dust case 510. The internal space of the intake pipe 521 is circular in cross-sectional view, as shown in FIG. As described above, the internal space of the intake pipe 521 together with the internal space of the inner peripheral wall 512 constitutes the first intake passage P1. That is, the internal space of the intake pipe 521 is a part of the first intake passage P1.
　第１吸気路Ｐ１は、吸引口１１０を通過したゴミを含む空気が通過する流路である。第１吸気路Ｐ１は、内周壁５１２の内部空間と、吸気管５２１の内部空間と、で構成される。第１吸気路Ｐ１は、本発明における吸気路の例である。第１吸気路Ｐ１は、断面視で円形の流路である。 The first intake passage P1 is a flow path through which air including dust that has passed through the suction port 110 passes. The first intake passage P1 is composed of an internal space of the inner peripheral wall 512 and an internal space of the intake pipe 521. The first intake passage P1 is an example of the intake passage in the present invention. The first intake passage P1 is a circular flow path in a cross-sectional view.
　図１０に示される２つの一点鎖線のうち紙面左側の一点鎖線、および、図１１に示される２つの黒丸のうち紙面上側の黒丸は、第１吸気路Ｐ１の内径の中心軸（中心軸線）Ｙである。 Of the two alternate long and short dash lines shown in FIG. 10, the alternate long and short dash line on the left side of the paper surface and the black circle on the upper side of the paper surface among the two black circles shown in FIG. 11 are the central axis (central axis) Y of the inner diameter of the first intake passage P1. Is.
　図１０に示されるように、中心軸Ｙは、中心軸Ｘに重ならない。また、図１０に示されるように、中心軸Ｙの軸方向は、中心軸Ｘの軸方向に平行である。すなわち、第１吸気路Ｐ１は、ダストケース５１０の内径（外周壁５１１の内径）の中心から外周壁５１１側にオフセットされた位置に配置される。つまり、ダストケース５１０内に配置された第１吸気路Ｐ１は、ダストケース５１０の外周壁５１１と同軸に配置されていない。 As shown in FIG. 10, the central axis Y does not overlap with the central axis X. Further, as shown in FIG. 10, the axial direction of the central axis Y is parallel to the axial direction of the central axis X. That is, the first intake passage P1 is arranged at a position offset from the center of the inner diameter of the dust case 510 (the inner diameter of the outer peripheral wall 511) toward the outer peripheral wall 511. That is, the first intake passage P1 arranged in the dust case 510 is not arranged coaxially with the outer peripheral wall 511 of the dust case 510.
　図１３は、第１吸気路Ｐ１の中心（中心軸Ｙ）と、ダストケース５１０の外周壁５１１との距離を示す模式図である。
　図１４は、ダストケース５１０の中心（中心軸Ｘ）と、ダストケース５１０の外周壁５１１との距離を示す模式図である。 FIG. 13 is a schematic view showing the distance between the center of the first intake passage P1 (central axis Y) and the outer peripheral wall 511 of the dust case 510.
FIG. 14 is a schematic diagram showing the distance between the center of the dust case 510 (central axis X) and the outer peripheral wall 511 of the dust case 510.
　図１３、図１４に示されるように、第１吸気路Ｐ１の中心（中心軸Ｙ）から、排出部５２２の先端を通るダストケース５１０の外周壁５１１の内周面までの距離Ｌ１は、ダストケース５１０の中心（中心軸Ｘ）から、排出部５２２の先端を通るダストケース５１０の外周壁５１１の内周面までの距離Ｌ２よりも長い。すなわち、第１吸気路Ｐ１がダストケース５１０の内径（外周壁５１１の内径）の中心からオフセットされる方向は、排出口５２２１とは反対側の外周壁５１１の方向である。 As shown in FIGS. 13 and 14, the distance L1 from the center (central axis Y) of the first intake passage P1 to the inner peripheral surface of the outer peripheral wall 511 of the dust case 510 passing through the tip of the discharge portion 522 is dust. The distance from the center of the case 510 (central axis X) to the inner peripheral surface of the outer peripheral wall 511 of the dust case 510 passing through the tip of the discharge portion 522 is longer than the distance L2. That is, the direction in which the first intake passage P1 is offset from the center of the inner diameter of the dust case 510 (inner diameter of the outer peripheral wall 511) is the direction of the outer peripheral wall 511 opposite to the discharge port 5221.
　図８－図１２に戻る。
　排出部５２２は、吸気管５２１の一部であり、吸気管５２１の第１吸気路Ｐ１を構成する部分から外周壁５１１側に突出する。排出部５２２は、第１吸気路Ｐ１からのゴミを含む空気を排出する部分である。排出部５２２は、排出口５２２１を備える。排出部５２２は、排出口５２２１を介して、第１吸気路Ｐ１からのゴミを含む空気を外周壁５１１に向けて排出する。排出部５２２から排出された空気は、外周壁５１１の内周面に沿って旋回する。 Return to FIG. 8-FIG. 12.
The discharge portion 522 is a part of the intake pipe 521 and projects from the portion constituting the first intake passage P1 of the intake pipe 521 toward the outer peripheral wall 511. The discharge unit 522 is a portion that discharges air containing dust from the first intake passage P1. The discharge unit 522 includes a discharge port 5221. The discharge unit 522 discharges air containing dust from the first intake passage P1 toward the outer peripheral wall 511 via the discharge port 5221. The air discharged from the discharge unit 522 swirls along the inner peripheral surface of the outer peripheral wall 511.
　周壁５２３は、排出部５２２の周囲、かつ、吸気管５２１の外周側に配置される。周壁５２３の外周面は、外周壁５１１の内周面と共に、旋回路ＳＰを構成する。周壁５２３の内周面は、吸気管５２１の外周面と共に、第２吸気路Ｐ２を構成する。旋回路ＳＰと第２吸気路Ｐ２との詳細は、後述される。周壁５２３は、フィルタ取付枠５２３１と第１フィルタＦ１を備える。 The peripheral wall 523 is arranged around the discharge portion 522 and on the outer peripheral side of the intake pipe 521. The outer peripheral surface of the peripheral wall 523, together with the inner peripheral surface of the outer peripheral wall 511, constitutes a turning circuit SP. The inner peripheral surface of the peripheral wall 523, together with the outer peripheral surface of the intake pipe 521, constitutes the second intake passage P2. Details of the turning circuit SP and the second intake passage P2 will be described later. The peripheral wall 523 includes a filter mounting frame 5231 and a first filter F1.
　旋回路ＳＰは、排出部５２２（排出口５２２１）から排出されたゴミを含む空気が旋回する流路である。旋回路ＳＰを旋回するゴミを含む空気は、旋回流の遠心力により、綿ゴミや髪の毛などの大きいゴミと、塵埃を含む空気と、に遠心分離される。すなわち、旋回路ＳＰは、サイクロン空間である。旋回路ＳＰを旋回して、遠心分離された大きいゴミは、外周壁５１１の内周面に押し付けられる。外周壁５１１の内周面に押し付けられたゴミへの旋回流からの旋回力は、弱まる。その結果、ゴミは、外周壁５１１の内周面から落下して、集塵空間ＤＳに集塵（蓄積）される。一方、旋回路ＳＰを旋回して、大きいゴミが遠心分離された後の塵埃を含む空気は、第１フィルタＦ１に向かう。 The turning circuit SP is a flow path through which air containing dust discharged from the discharge unit 522 (discharge port 5221) swirls. The air containing dust that swirls the turning circuit SP is centrifugally separated into large dust such as cotton dust and hair and air containing dust by the centrifugal force of the swirling flow. That is, the turning circuit SP is a cyclone space. The large dust centrifugally separated by turning the turning circuit SP is pressed against the inner peripheral surface of the outer peripheral wall 511. The swirling force from the swirling flow to the dust pressed against the inner peripheral surface of the outer peripheral wall 511 is weakened. As a result, the dust falls from the inner peripheral surface of the outer peripheral wall 511 and is collected (accumulated) in the dust collecting space DS. On the other hand, the air containing dust after the large dust is centrifuged by swirling the turning circuit SP goes to the first filter F1.
　集塵空間ＤＳは、旋回路ＳＰを旋回して、遠心分離されたゴミを集塵（蓄積）する。集塵空間ＤＳは、外周壁５１１の内周面と、内周壁５１２の外周面と、底部５１３と、で構成される。 The dust collection space DS swirls the turning circuit SP to collect (accumulate) the centrifugally separated dust. The dust collecting space DS is composed of an inner peripheral surface of the outer peripheral wall 511, an outer peripheral surface of the inner peripheral wall 512, and a bottom portion 513.
　フィルタ取付枠５２３１は、第１フィルタＦ１が取り付けられる枠体である。フィルタ取付枠５２３１は、排出部５２２の周囲、かつ、吸気管５２１の外周側に配置される。 The filter mounting frame 5231 is a frame body to which the first filter F1 is mounted. The filter mounting frame 5231 is arranged around the discharge portion 522 and on the outer peripheral side of the intake pipe 521.
　第１フィルタＦ１は、旋回路ＳＰを旋回して、大きなゴミが遠心分離された後の塵埃を含む空気を濾過する。換言すれば、第１フィルタＦ１は、旋回路ＳＰを旋回する空気に含まれる塵埃を捕集する。空気に含まれる塵埃は、粗い塵埃と細かい塵埃とを含む。第１フィルタＦ１は、粗い塵埃と細かい塵埃とのうち、粗い塵埃を捕集する。第１フィルタＦ１は、フィルタ取付枠５２３１に取り付けられる。第１フィルタＦ１は、例えば、ＰＥＴ（Polyethylene Terephthalate）製素材のメッシュフィルタである。第１フィルタＦ１は、本発明におけるフィルタの例である。第１フィルタＦ１を通過した空気（細かい塵埃を含む空気）は、第２吸気路Ｐ２に進入する。 The first filter F1 swirls the turning circuit SP to filter the air containing dust after the large dust is centrifuged. In other words, the first filter F1 collects dust contained in the air swirling the turning circuit SP. The dust contained in the air includes coarse dust and fine dust. The first filter F1 collects coarse dust among coarse dust and fine dust. The first filter F1 is attached to the filter mounting frame 5231. The first filter F1 is, for example, a mesh filter made of a material made of PET (Polyethylene Terephthalate). The first filter F1 is an example of the filter in the present invention. The air that has passed through the first filter F1 (air containing fine dust) enters the second intake passage P2.
　第２吸気路Ｐ２は、第１フィルタＦ１を通過した空気（細かい塵埃を含む空気）をフィルタユニット５３０に送出する流路である。第２吸気路Ｐ２は、周壁５２３の内周面と、吸気管５２１の外周面と、で構成される。 The second intake passage P2 is a flow path that sends out the air (air containing fine dust) that has passed through the first filter F1 to the filter unit 530. The second intake passage P2 is composed of an inner peripheral surface of the peripheral wall 523 and an outer peripheral surface of the intake pipe 521.
　傘部５２４は、集塵空間ＤＳに集塵されたゴミ（旋回路ＳＰを旋回して、遠心分離されたゴミ）が舞い上がり、旋回路ＳＰに戻るのを防止すると共に、第１フィルタＦ１が塵埃を含む空気を捕集する際に第１フィルタＦ１から落ちる塵埃を受け取る。傘部５２４は、図１０に示されるように、側面断面視でＨ状である。傘部５２４は、吸気管５２１の下部に配置されて、分離ユニット５２０と内周壁５１２とを接続する。傘部５２４は、内周壁５１２に着脱自在である。 The umbrella portion 524 prevents dust collected in the dust collection space DS (dust collected by swirling the turning circuit SP and centrifugally separated) from flying up and returning to the turning circuit SP, and the first filter F1 is dusty. Receives dust falling from the first filter F1 when collecting air containing the above. As shown in FIG. 10, the umbrella portion 524 is H-shaped in a side sectional view. The umbrella portion 524 is arranged below the intake pipe 521 and connects the separation unit 520 and the inner peripheral wall 512. The umbrella portion 524 is removable from the inner peripheral wall 512.
　フィルタユニット５３０は、第２吸気路Ｐ２を通過した空気、すなわち、第１フィルタＦ１を通過した空気に含まれる細かい塵埃を捕集する。フィルタユニット５３０は、ダストケース５１０の上部に配置される。フィルタユニット５３０は、フィルタケース５３１と第２フィルタＦ２とを備える。 The filter unit 530 collects fine dust contained in the air that has passed through the second intake passage P2, that is, the air that has passed through the first filter F1. The filter unit 530 is arranged on the upper part of the dust case 510. The filter unit 530 includes a filter case 531 and a second filter F2.
　フィルタケース５３１は、第２フィルタＦ２を収容する。フィルタケース５３１は、外周壁５１１の上端と分離ユニット５２０の上部とに接続される。 The filter case 531 accommodates the second filter F2. The filter case 531 is connected to the upper end of the outer peripheral wall 511 and the upper portion of the separation unit 520.
　第２フィルタＦ２は、第１フィルタＦ１を通過した空気に含まれる細かい塵埃を濾過する。換言すれば、第２フィルタＦ２は、第１フィルタＦ１を通過した空気に含まれる塵埃を捕集する。第２フィルタＦ２は、フィルタケース５３１に取り付けられる。第２フィルタＦ２は、例えば、ＰＴＦＥ（Polytetrafluoroethylene）などのフッ素樹脂製である。第２フィルタＦ２は、上下方向に折り曲げられたプリーツ形状である。第２フィルタＦ２を通過した空気は、ダストユニット５００の外部に排出される。ダストユニット５００の外部に排出された空気は、本体部３１の内部の流路（不図示）に進入し、その後、排気口３５から排出される。 The second filter F2 filters fine dust contained in the air that has passed through the first filter F1. In other words, the second filter F2 collects dust contained in the air that has passed through the first filter F1. The second filter F2 is attached to the filter case 531. The second filter F2 is made of a fluororesin such as PTFE (Polytetrafluoroethylene), for example. The second filter F2 has a pleated shape bent in the vertical direction. The air that has passed through the second filter F2 is discharged to the outside of the dust unit 500. The air discharged to the outside of the dust unit 500 enters a flow path (not shown) inside the main body 31, and is then discharged from the exhaust port 35.
　第２フィルタＦ２の目の粗さは、第１フィルタＦ１の目の粗さよりも細かい。そのため、第２フィルタＦ２は、第１フィルタＦ１で捕集しきれない細かい塵埃を捕集できる。 The roughness of the eyes of the second filter F2 is finer than the roughness of the eyes of the first filter F1. Therefore, the second filter F2 can collect fine dust that cannot be collected by the first filter F1.
　排気口３５から排出される空気は、ＢＦＥ（Bacterial Filtration Efficiency）の基準をクリアした空気である。より好ましくは、排気口３５から排出される空気は、ＶＦＥ（Viral Filtration Efficiency）の基準をクリアした空気である。さらに好ましくは、排気口３５から排出される空気は、ＰＦＥ（Particle Filtration Efficiency）の基準をクリアした空気である。 The air discharged from the exhaust port 35 is air that has cleared the BFE (Bacterial Filtration Efficiency) standard. More preferably, the air discharged from the exhaust port 35 is air that has cleared the standard of VFE (Viral Filtration Efficiency). More preferably, the air discharged from the exhaust port 35 is air that has cleared the standard of PFE (Particle Filtration Efficiency).
　カバーユニット５００Ｃは、ダストユニット５００をカバーする。カバーユニット５００Ｃは、ダストユニット５００の正面側の外周面を覆うように取り付けられる。カバーユニット５００Ｃの外面は、ダストボックス３２が本体部３１に収容されているとき、本体部３１の外面と面一になる。ダストボックス３２が本体部３１に収容されているとき、カバーユニット５００Ｃは、本体部３１の外部に露出する。カバーユニット５００Ｃは、ダストケースカバー５１０Ｃとフィルタユニットカバー５３０Ｃとを備える。 The cover unit 500C covers the dust unit 500. The cover unit 500C is attached so as to cover the outer peripheral surface on the front side of the dust unit 500. The outer surface of the cover unit 500C is flush with the outer surface of the main body 31 when the dust box 32 is housed in the main body 31. When the dust box 32 is housed in the main body 31, the cover unit 500C is exposed to the outside of the main body 31. The cover unit 500C includes a dust case cover 510C and a filter unit cover 530C.
　ダストケースカバー５１０Ｃは、ダストケース５１０の正面側の外周面をカバーする。ダストケースカバー５１０Ｃは、透明部材である。そのため、ダストケース５１０の内部に集塵されたゴミは、ダストケースカバー５１０Ｃの外部から視認可能である。ダストボックス３２が本体部３１に収容されているとき、ダストケースカバー５１０Ｃは、本体部３１の外部に露出する。また、ダストボックス３２が本体部３１に収容されているとき、ダストケースカバー５１０Ｃの外面は、本体部３１の外面と面一になる。ダストケースカバー５１０Ｃは、ホック５１１Ｃを備える。 The dust case cover 510C covers the outer peripheral surface on the front side of the dust case 510. The dust case cover 510C is a transparent member. Therefore, the dust collected inside the dust case 510 can be visually recognized from the outside of the dust case cover 510C. When the dust box 32 is housed in the main body 31, the dust case cover 510C is exposed to the outside of the main body 31. Further, when the dust box 32 is housed in the main body 31, the outer surface of the dust case cover 510C is flush with the outer surface of the main body 31. The dust case cover 510C includes a hook 511C.
　ホック５１１Ｃは、ダストボックス３２が本体部３１に収容されているとき、ダストボックス３２を本体部３１の固定部３１２に固定する。 The hook 511C fixes the dust box 32 to the fixing portion 312 of the main body portion 31 when the dust box 32 is housed in the main body portion 31.
　フィルタユニットカバー５３０Ｃは、フィルタユニット５３０の正面側の外周面をカバーする。ダストボックス３２が本体部３１に収容されているとき、フィルタユニットカバー５３０Ｃは、本体部３１の外部に露出する。ダストボックス３２が本体部３１に収容されているとき、フィルタユニットカバー５３０Ｃの外面は、本体部３１の外面と面一になる。 The filter unit cover 530C covers the outer peripheral surface on the front side of the filter unit 530. When the dust box 32 is housed in the main body 31, the filter unit cover 530C is exposed to the outside of the main body 31. When the dust box 32 is housed in the main body 31, the outer surface of the filter unit cover 530C is flush with the outer surface of the main body 31.
●まとめ
　以上説明した実施の形態によれば、ダストユニット５００は、分離ユニット５２０と、分離ユニット５２０を収容するダストケース５１０と、を有してなる。分離ユニット５２０は、塵埃（ゴミ）を含む空気の旋回流を形成する。分離ユニット５２０は、空気が通過する吸気路（第１吸気路）Ｐ１を構成する吸気管５２１と、吸気路Ｐ１からの空気を排出する排出口５２２１と、を備える。ダストケース５１０は、排出部５２２から排出された空気を旋回させる壁（外周壁）５１１を備える。吸気路Ｐ１は、ダストケース５１０の中心から壁５１１側にオフセットされた位置に配置される。この構成によれば、吸気路Ｐ１の中心から壁５１１までの距離は、吸気路Ｐ１がオフセットして配置されている分だけ長くなる。そのため、吸気路Ｐ１を出てから壁５１１に当たって旋回流が形成されるまでの空気の移動距離は、吸気路がオフセットされていない場合に比べて、長くなる。その結果、ダストユニット５００は、吸気路Ｐ１を出て旋回流が形成されるまでの空気の旋回角度を大きくできる。つまり、ダストユニット５００は、吸気路Ｐ１を出て旋回流が形成されるまでの空気の圧損を抑制できる。これにより、ダストユニット５００は、吸気路Ｐ１を出て旋回流が形成されるまでの空気の旋回角度を大きくするためにダストケース５１０の径を大きくする必要がない。さらに、ダストユニット５００は、吸気路Ｐ１を出て旋回流が形成されるまでの空気の圧損を抑制できるので、吸気路Ｐ１から出た空気からのゴミの分離機能を高める。 ● Summary According to the embodiment described above, the dust unit 500 includes a separation unit 520 and a dust case 510 for accommodating the separation unit 520. The separation unit 520 forms a swirling flow of air containing dust. The separation unit 520 includes an intake pipe 521 constituting an intake passage (first intake passage) P1 through which air passes, and an discharge port 5221 for discharging air from the intake passage P1. The dust case 510 includes a wall (outer peripheral wall) 511 that swirls the air discharged from the discharge unit 522. The intake passage P1 is arranged at a position offset from the center of the dust case 510 toward the wall 511. According to this configuration, the distance from the center of the intake passage P1 to the wall 511 is increased by the amount that the intake passage P1 is offset and arranged. Therefore, the moving distance of the air from the exit of the intake passage P1 to the formation of the swirling flow by hitting the wall 511 is longer than that in the case where the intake passage is not offset. As a result, the dust unit 500 can increase the swirling angle of the air from the intake passage P1 until a swirling flow is formed. That is, the dust unit 500 can suppress the pressure loss of the air until the swirling flow is formed from the intake passage P1. As a result, the dust unit 500 does not need to increase the diameter of the dust case 510 in order to increase the swirling angle of the air from the intake passage P1 until the swirling flow is formed. Further, since the dust unit 500 can suppress the pressure loss of the air until the swirling flow is formed from the intake passage P1, the function of separating dust from the air discharged from the intake passage P1 is enhanced.
　また、以上説明した実施の形態によれば、吸気路Ｐ１は、吸気路Ｐ１の中心軸Ｙがダストケース５１０の中心軸Ｘに対して排出口５２２１とは反対側にオフセットされた位置に配置される。この構成によれば、前述のとおり、吸気路Ｐ１の中心から壁５１１までの距離は、排出口５２２１とは反対側に吸気路Ｐ１がオフセットされている分だけ長くなる。そのため、吸気路Ｐ１を出て旋回流が形成されるまでの空気の移動距離は、吸気路Ｐ１がオフセットされていない場合に比べて、長くなる。その結果、ダストユニット５００は、ダストケースの小型化を実現しつつ、ゴミの分離機能を高める。 Further, according to the embodiment described above, the intake passage P1 is arranged at a position where the central axis Y of the intake passage P1 is offset from the central axis X of the dust case 510 to the side opposite to the discharge port 5221. To. According to this configuration, as described above, the distance from the center of the intake passage P1 to the wall 511 is increased by the amount that the intake passage P1 is offset to the side opposite to the discharge port 5221. Therefore, the moving distance of the air from the intake passage P1 to the formation of the swirling flow is longer than that in the case where the intake passage P1 is not offset. As a result, the dust unit 500 enhances the dust separation function while realizing the miniaturization of the dust case.
　さらに、以上説明した実施の形態によれば、周壁５２３は、旋回路ＳＰを旋回する空気に含まれる塵埃（粗い塵埃）を捕集するフィルタ（第１フィルタ）Ｆ１を備える。ダストユニット５００は、フィルタＦ１を通過した空気に含まれる塵埃（細かい塵埃）を捕集する第２フィルタＦ２を備えるフィルタユニット５３０を備える。この構成によれば、先ず、吸気路Ｐ１を通過した空気に含まれる綿ゴミや髪の毛などの大きいゴミは、旋回流の遠心力により空気から分離される。次いで、大きいゴミが分離された後の空気に含まれる粗い塵埃は、フィルタＦ１に捕集される。次いで、荒い塵埃が捕集された後の空気に含まれる細かい塵埃は、第２フィルタＦ２に捕集される。その結果、その後にダストユニット５００の外部に排出される空気は、塵埃をほとんど含まない。 Further, according to the embodiment described above, the peripheral wall 523 includes a filter (first filter) F1 that collects dust (coarse dust) contained in the air swirling the turning circuit SP. The dust unit 500 includes a filter unit 530 including a second filter F2 that collects dust (fine dust) contained in the air that has passed through the filter F1. According to this configuration, first, large dust such as cotton dust and hair contained in the air passing through the intake passage P1 is separated from the air by the centrifugal force of the swirling flow. Next, the coarse dust contained in the air after the large dust is separated is collected by the filter F1. Next, the fine dust contained in the air after the coarse dust is collected is collected by the second filter F2. As a result, the air subsequently discharged to the outside of the dust unit 500 contains almost no dust.
　なお、掃除機１の動作中、ダストケースの内部では、集塵空間ＤＳにおいても、旋回流が発生する。そのため、ダストケースは、内周壁と底部とに連接し、ダストケースの径方向に立設する遮蔽部材を集塵空間ＤＳに備えてもよい。遮蔽部材は、集塵空間ＤＳに集塵されてダストケースの底部に溜まったゴミが旋回し続けるのを防止する。 During the operation of the vacuum cleaner 1, a swirling flow is generated inside the dust case even in the dust collecting space DS. Therefore, the dust case may be provided with a shielding member that is connected to the inner peripheral wall and the bottom portion and is erected in the radial direction of the dust case in the dust collecting space DS. The shielding member prevents the dust collected in the dust collecting space DS and collected at the bottom of the dust case from continuing to swirl.
１　　　　　掃除機
１０　　　　掃除機用ヘッド
１１　　　　ヘッド本体
１１０　　　吸引口
１１１　　　取付口
１１２　　　吸引部
１１３　　　カバー体
１１３ａ　　上部カバー
１１３ｂ　　サイドカバー
１１３ｃ　　サイドカバー
１１４　　　第１回転ブラシ
１１５　　　第２回転ブラシ
１１６　　　第１ホバー用ブラシ
１１７　　　第２ホバー用ブラシ
１１８ａ　　第１キャスター
１１８ｂ　　第２キャスター
１１９　　　安全キャスター
２０　　　　自在継手部
３０　　　　掃除機用本体
３１　　　　本体部
３１１　　　ダストボックス収容部
３１２　　　固定部
３２　　　　ダストボックス
３３　　　　ハンドル着脱部
３４　　　　ハンドル取外部
３５　　　　排気口
４０　　　　ハンドル
４１　　　　把持部
４２　　　　操作部
５００　　　ダストユニット
５１０　　　ダストケース
５１１　　　外周壁
５１２　　　内周壁
５１３　　　底部
５１４　　　足部
５２０　　　分離ユニット
５２１　　　吸気管
５２２　　　排出部
５２２１　　排出口
５２３　　　周壁
５２３１　　フィルタ取付枠
５２４　　　傘部
５３０　　　フィルタユニット
５３１　　　フィルタケース
５００Ｃ　　カバーユニット
５１０Ｃ　　ダストケースカバー
５１１Ｃ　　ホック
５３０Ｃ　　フィルタユニットカバー
Ｐ１　　　　第１吸気路（吸気路）
Ｐ２　　　　第２吸気路
Ｆ１　　　　第１フィルタ（フィルタ）
Ｆ２　　　　第２フィルタ
ＳＰ　　　　旋回路
ＤＳ　　　　集塵空間
 

  1 Vacuum cleaner 10 Vacuum cleaner head 11 Head body 110 Suction port 111 Mounting port 112 Suction part 113 Cover body 113a Top cover 113b Side cover 113c Side cover 114 1st rotation brush 115 2nd rotation brush 116 1st hover brush 117th 2 Hover brush 118a 1st caster 118b 2nd caster 119 Safety caster 20 Universal joint part 30 Vacuum cleaner body 31 Main body 311 Dust box storage part 312 Fixed part 32 Dust box 33 Handle attachment / detachment part 34 Handle removal outside 35 Exhaust port 40 Handle 41 Grip 42 Operation unit 500 Dust unit 510 Dust case 511 Outer wall 512 Inner peripheral wall 513 Bottom 514 Foot 520 Separation unit 521 Intake pipe 522 Discharge unit 5221 Discharge port 523 Peripheral wall 5231 Filter mounting frame 524 Umbrella unit 530 Filter unit 531 Filter case 500C Cover unit 510C Dust case cover 511C Hook 530C Filter unit cover P1 1st intake passage (intake passage)
P2 2nd intake path F1 1st filter (filter)
F2 2nd filter SP turning circuit DS dust collection space

Claims (7)

  1. 　塵埃を含む空気の旋回流を形成する分離ユニットと、
    　前記分離ユニットを収容するダストケースと、
    を有してなり、
    　前記分離ユニットは、
    　前記空気が通過する吸気路を構成する吸気管と、
    　前記吸気路からの前記空気を排出する排出口を備える排出部と、
    を備え、
    　前記ダストケースは、
    　前記排出部から排出された前記空気を旋回させる壁、
    を備え、
    　前記吸気路は、前記ダストケースの中心から前記壁側にオフセットされた位置に配置される、
    ことを特徴とするダストユニット。     A separation unit that forms a swirling flow of air containing dust,
    A dust case for accommodating the separation unit and
    Have
    The separation unit is
    The intake pipe that constitutes the intake passage through which the air passes,
    An exhaust unit provided with an outlet for discharging the air from the intake passage,
    Equipped with
    The dust case is
    A wall that swirls the air discharged from the discharge unit,
    Equipped with
    The intake passage is arranged at a position offset from the center of the dust case toward the wall.
    A dust unit characterized by that.
  2. 　前記ダストケースは、筒状の形状を備える、
    請求項１記載のダストユニット。     The dust case has a tubular shape.
    The dust unit according to claim 1.
  3. 　前記吸気路は、前記ダストケースの中心軸方向と平行な中心軸方向を備える、
    請求項２記載のダストユニット。     The intake passage comprises a central axial direction parallel to the central axial direction of the dust case.
    The dust unit according to claim 2.
  4. 　前記吸気路の中心は、前記ダストケースの中心に対して、前記排出口とは反対側にオフセットした位置である、
    請求項３記載のダストユニット。     The center of the intake passage is a position offset to the center of the dust case on the side opposite to the discharge port.
    The dust unit according to claim 3.
  5. 　前記分離ユニットは、
    　前記排出部の周囲に周壁、
    を備え、
    　前記周壁は、前記壁と共に、前記排出部から排出された前記空気が旋回する旋回路を構成する、
    請求項１記載のダストユニット。     The separation unit is
    A peripheral wall around the discharge part,
    Equipped with
    The peripheral wall, together with the wall, constitutes a turning circuit in which the air discharged from the discharge portion swirls.
    The dust unit according to claim 1.
  6. 　前記周壁は、
    　前記旋回路を旋回する前記空気に含まれる前記塵埃を捕集するフィルタ、
    を備え、
    　前記フィルタを通過した前記空気に含まれる前記塵埃を捕集する第２フィルタを備えるフィルタユニット、
    を有してなり、
    　前記フィルタを通過した前記空気は、前記周壁と前記吸気管とで構成される第２吸気路を介して前記第２フィルタを通過し、
    　前記第２フィルタを通過した前記空気は、前記ダストユニットの外部に排出される、
    請求項５記載のダストユニット。     The peripheral wall
    A filter that collects the dust contained in the air that swirls the turning circuit.
    Equipped with
    A filter unit including a second filter that collects the dust contained in the air that has passed through the filter.
    Have
    The air that has passed through the filter passes through the second filter via a second intake passage composed of the peripheral wall and the intake pipe.
    The air that has passed through the second filter is discharged to the outside of the dust unit.
    The dust unit according to claim 5.
  7. 　ダストユニットを有してなる掃除機であって、
    　前記ダストユニットは、請求項１記載のダストユニットである、
    ことを特徴とする掃除機。
     
     
     

          A vacuum cleaner with a dust unit
    The dust unit is the dust unit according to claim 1.
    A vacuum cleaner that features that.
PCT/JP2020/037186 2020-09-30 2020-09-30 Duct unit and vacuum cleaner WO2022070320A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2022553314A JP7456673B2 (en) 2020-09-30 2020-09-30 dust unit and vacuum cleaner
PCT/JP2020/037186 WO2022070320A1 (en) 2020-09-30 2020-09-30 Duct unit and vacuum cleaner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/037186 WO2022070320A1 (en) 2020-09-30 2020-09-30 Duct unit and vacuum cleaner

Publications (1)

Publication Number Publication Date
WO2022070320A1 true WO2022070320A1 (en) 2022-04-07

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013022048A (en) * 2011-07-15 2013-02-04 Panasonic Corp Vacuum cleaner
US20160143498A1 (en) * 2014-05-26 2016-05-26 Jiangsu Midea Cleaning Appliances Co., Ltd. Cyclonic separating device, cleaner, surface cleaning apparatus and cyclonic separating method
JP2016136983A (en) * 2015-01-26 2016-08-04 日立アプライアンス株式会社 Vacuum cleaner
JP2019150427A (en) * 2018-03-06 2019-09-12 三菱電機株式会社 Dust collecting device and vacuum cleaner
US20190282051A1 (en) * 2018-03-16 2019-09-19 Omachron Intellectual Property Inc. Hand vacuum cleaner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013022048A (en) * 2011-07-15 2013-02-04 Panasonic Corp Vacuum cleaner
US20160143498A1 (en) * 2014-05-26 2016-05-26 Jiangsu Midea Cleaning Appliances Co., Ltd. Cyclonic separating device, cleaner, surface cleaning apparatus and cyclonic separating method
JP2016136983A (en) * 2015-01-26 2016-08-04 日立アプライアンス株式会社 Vacuum cleaner
JP2019150427A (en) * 2018-03-06 2019-09-12 三菱電機株式会社 Dust collecting device and vacuum cleaner
US20190282051A1 (en) * 2018-03-16 2019-09-19 Omachron Intellectual Property Inc. Hand vacuum cleaner

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JP7456673B2 (en) 2024-03-27

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