WO2020262633A1 - Aspirateur électrique - Google Patents

Aspirateur électrique Download PDF

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Publication number
WO2020262633A1
WO2020262633A1 PCT/JP2020/025293 JP2020025293W WO2020262633A1 WO 2020262633 A1 WO2020262633 A1 WO 2020262633A1 JP 2020025293 W JP2020025293 W JP 2020025293W WO 2020262633 A1 WO2020262633 A1 WO 2020262633A1
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WO
WIPO (PCT)
Prior art keywords
vacuum cleaner
dust
dust collector
main body
view
Prior art date
Application number
PCT/JP2020/025293
Other languages
English (en)
Japanese (ja)
Inventor
将 矢野
剛一 長田
敦史 倉田
寿之 田村
俊 中野
叶登 佐藤
孔陽 川本
大史 横山
Original Assignee
日立グローバルライフソリューションズ株式会社
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
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Application filed by 日立グローバルライフソリューションズ株式会社 filed Critical 日立グローバルライフソリューションズ株式会社
Publication of WO2020262633A1 publication Critical patent/WO2020262633A1/fr

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • 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 vacuum cleaner.
  • vacuum cleaners are roughly divided into a paper pack type dust collector that compresses sucked dust into a paper pack and a cyclone type dust collector that centrifuges by a swirling air flow and stores it in the dust collector.
  • a paper pack type dust collector that compresses sucked dust into a paper pack
  • a cyclone type dust collector that centrifuges by a swirling air flow and stores it in the dust collector.
  • dust collection methods Since the cyclone method generates a swirling airflow, the pressure loss tends to be larger than that of the paper pack method.
  • Patent Document 1 describes the following cyclone type vacuum cleaner.
  • a dust collecting chamber (19) is provided in front of the electric blower (6) arranged at the rear of the main body (2), and a cyclone type dust collecting portion (20) is provided in the dust collecting chamber (19). Is placed.
  • a rotatable grip portion (41) pivotally supported at the rear portion is provided on the upper surface of the cover portion (40) arranged above the dust collecting portion (20), and behind the upper portion of the cover portion (40).
  • An engaging portion (43) that engages with the main body cover (10) is provided.
  • the above-mentioned grip portion (41) is configured so that the user grips it by hand from the front side to the rear side.
  • the grip portion (41) since there is a space below the space connected to the dust collecting portion exhaust port (42a) which is the end surface of the communication passage (42), the grip portion (41) must be arranged above the space to avoid the space. .. Therefore, the height of the portion forming the grip portion (41) is required, and the device is large. Therefore, the amount of materials that make up the vacuum cleaner increases by that amount, leading to an increase in weight.
  • the grip portion (41) gripped when the cyclone type dust collector (20) is removed is configured to be gripped by the user in the rear direction opposite to the front direction in which the dust collector (20) is removed. Therefore, since the direction in which the dust collecting portion (20) is removed (forward direction) and the direction in which the grip portion (41) is operated (rear direction) are opposite, the grip for removing the dust collecting portion (20) is performed. The handleability of the part (41) is deteriorated.
  • the present invention was devised in view of the above circumstances, and an object of the present invention is to provide a compact and easy-to-use vacuum cleaner.
  • the first vacuum cleaner of the present invention includes a vacuum cleaner main body including an electric blower and a dust collector that can be attached to and detached from the vacuum cleaner main body.
  • a vacuum cleaner main body including an electric blower and a dust collector that can be attached to and detached from the vacuum cleaner main body.
  • the second vacuum cleaner of the present invention includes a vacuum cleaner main body including an electric blower and a dust collector that can be attached to and detached from the vacuum cleaner main body, and when the dust collector is removed from the vacuum cleaner main body.
  • the space where the user grips the grip portion to remove the release mechanism and the space before the air after removing the dust with the dust collector enters the vacuum cleaner main body are located on the central axis of the dust collector. It overlaps in the vertical direction.
  • the third vacuum cleaner of the present invention includes a vacuum cleaner main body including an electric blower and a dust collector that can be attached to and detached from the vacuum cleaner main body, and when the dust collector is removed from the vacuum cleaner main body. At least a part of the space where the user grips the grip portion to remove the release mechanism and the space before the air after removing the dust with the dust collector enters the vacuum cleaner main body is the dust collector.
  • the position in the central axis direction of is the same.
  • FIG. 3 is a sectional view taken along line I-I of FIG. 3 when the vacuum cleaner body is viewed from the side. Front view of the dust collector. Top view of the dust collector 10. II-II cross section of FIG. 7B. An exploded perspective view of the lid viewed diagonally from the upper left to the front.
  • An exploded perspective view of the lid from the right side An exploded perspective view of the lid viewed diagonally from the upper right rear
  • a perspective view of the lid base viewed diagonally from above and behind.
  • a perspective view of the lid base viewed diagonally from the upper left to the front.
  • Left side view of the lid base A perspective view of the dust case handle viewed diagonally from the upper left to the front.
  • a perspective view of the dust case handle viewed diagonally from above and behind.
  • a perspective view of the dust case piece viewed diagonally from the front and upper left.
  • a perspective view of the dust case piece viewed diagonally to the right and from above.
  • FIG. 7C is an enlarged cross-sectional view of part III.
  • FIG. 15D is an enlarged sectional view taken along line IV.
  • FIG. 1 shows an external perspective view of the vacuum cleaner S according to the embodiment of the present invention.
  • the vertical direction, the horizontal direction, and the front-rear direction are the directions shown in FIG.
  • the left-right direction is viewed from the vacuum cleaner main body 1 side.
  • FIG. 2 shows a side view of the state in which the extension pipe 6 is removed from the vacuum cleaner S of the embodiment.
  • the vacuum cleaner S shown in FIG. 1 includes a mouthpiece 7, a vacuum cleaner main body 1, and a cyclone type dust collector 10 detachably provided on the vacuum cleaner main body 1.
  • the mouthpiece 7 sucks in dust and the like.
  • the vacuum cleaner main body 1 has a built-in electric blower 14 that generates a suction force from the mouthpiece 7.
  • the dust collector 10 collects dust and the like sucked by the mouthpiece 7.
  • the vacuum cleaner body 1 is connected to the hand handle 3 via a suction hose 2.
  • the hand handle 3 is connected to the mouthpiece 7 via an extension pipe 6.
  • the vacuum cleaner main body 1 is provided with a pair of wheels 15a on the left and right and one caster 15b (see FIG. 2) on the front side so that the vacuum cleaner body 1 can move freely.
  • FIG. 3 shows a top view of the vacuum cleaner S with the extension pipe 6 removed.
  • a main body handle 19 that is gripped when the user carries the electric vacuum cleaner S is attached to the vacuum cleaner main body 1.
  • the hand handle 3 shown in FIG. 1 includes an operation unit 4 that controls drive of an electric blower 14 built in the vacuum cleaner main body 1 and an electric rotary brush (not shown) provided in the mouthpiece 7. ..
  • An operation button 5 is arranged on the operation unit 4.
  • the operation button 5 includes a (strong / medium / weak) button that is pressed when the operation is started, a (off) button that is pressed when the operation is stopped, and the like.
  • a take-up button 23o of the cord reel 23 for winding the power cord 23a is provided behind the main body handle 19 of the vacuum cleaner main body 1.
  • FIG. 4 shows an external perspective view of the vacuum cleaner body 1 with the dust collector 10 and the suction hose 2 removed.
  • the vacuum cleaner main body 1 has an outer shell formed by combining an upper case 1a, a lower case 1c, and a hose opening member 11.
  • the upper case 1a, the lower case 1c, and the hose mouth member 11 are made of a lightweight resin material, for example, lightweight PP (polypropylene).
  • the specific gravity of PP is about 0.95 to 0.97
  • ABS which is often used in the outer shell of a general vacuum cleaner, has a specific gravity of about 1.1
  • PP is lighter than ABS. Is.
  • the upper case 1a is textured to improve the design and design.
  • a hose attachment port (main body intake port) 11 for sucking air containing dust is opened at the front portion of the hose port member 11.
  • a cover 1b1 of a cord plug 23b of the power cord 23a (see FIG. 5A) is formed at the rear portion of the lower case 1c.
  • FIG. 5 shows a perspective view of the vacuum cleaner body 1 with the upper case 1a and the lower case 1c removed.
  • FIG. 6 shows an II cross section of FIG. 3 when the vacuum cleaner main body 1 is viewed from the side.
  • the hose attachment port 11 is connected to an introduction pipe 20 (see FIG. 5) through which air including dust in the vacuum cleaner main body 1 passes.
  • an electric blower 14 that generates suction force from the mouthpiece 7 (see FIG. 1) is housed inside the vacuum cleaner body 1. Further, a pleated high dust collecting filter 29 (see FIG. 6) for purifying the exhaust gas is arranged in the air flow path after removing the dust sucked by the electric blower 14.
  • a hose attachment port 11 is provided on the front side, which is the front surface of the vacuum cleaner main body 1.
  • the introduction pipe outlet 12 is fluidly connected to the dust collector 10 attached to and detached from the vacuum cleaner main body 1 so that gas can flow.
  • the dust collector 10 separates the dust from the air including the dust sucked by the mouthpiece 7 (see FIG. 1) and stores the dust.
  • the upper part of the front surface of the vacuum cleaner main body 1 is provided with a duct inlet portion 13 to the duct 21 (see FIG. 5) communicating with the electric blower 14.
  • the duct inlet portion 13 is a port into which air is sucked after the dust is removed by the dust collector 10.
  • a protective filter 17a is provided in front of the duct inlet portion 13.
  • the protective filter 17a is provided upstream of the filter cover 17.
  • the dust collector 10 is detachably attached with the upper portion inclined to the rear side.
  • the dust collector 10 is removed from the vacuum cleaner main body 1 by moving the dust collector 10 in the direction of the arrow ⁇ 2 shown in FIG.
  • the dust collector 10 is moved in the direction of the arrow ⁇ 1 to be attached to the vacuum cleaner main body 1.
  • the vacuum cleaner main body 1 is provided with a structure for positioning and a structure for fixing the dust collector 10 so that airtightness can be easily maintained when the dust collector 10 is attached to the vacuum cleaner main body 1.
  • the concave handle storage portion 22 in the vacuum cleaner main body 1 shown in FIG. 4 houses a handle 35 (see FIG. 15A) provided behind the dust collector 10.
  • the handle 35 and the handle storage unit 22 have a structure for positioning the dust collector 10 when the dust collector 10 is set in the vacuum cleaner main body 1.
  • the bottom lid 31 (see FIG. 2) of the dust collector 10 is fitted.
  • a portion 1a6 (see FIG. 4) is provided.
  • the dust collector 10 when the dust collector 10 is attached to the vacuum cleaner main body 1, the dust collector 10 is fluidly connected to the duct 21.
  • the duct 21 is adjacent to the introduction pipe 20 adjacent to the hose attachment port 11 and the protective filter 17a provided on the duct 21 and fixed by a claw (not shown).
  • a duct 21 through which air flows through the protective filter 17a after removing dust is fluidly connected to the upstream side, while a high dust collection filter 29 is fluidly connected to the downstream side.
  • the dust collector 10 is located on the upstream side of the electric blower 14. That is, the dust collector 10, the duct 21, and the electric blower 14 are configured in this order from the upstream side of the suction force of the mouthpiece 7 (see FIG. 1). Specifically, the dust collector 10 to the electric blower 14 communicate with the duct 21 from the upper part of the dust collector 10 and from the duct 21 to the upper part of the electric blower 14.
  • the motor case 16 for accommodating the electric blower 14 shown in FIG. 6 is arranged at the rear right side of the vacuum cleaner main body 1.
  • a cord reel 23 (see FIG. 5) for accommodating a power cord 23a (see FIG. 5) for supplying electric power from an outlet or the like to the electric blower 14 or the like is arranged behind the left side of the vacuum cleaner main body 1.
  • the introduction pipe outlet 12 of the outlet of the introduction pipe 20 is provided on the side opposite to the side where the cord reel 23 is located in the left-right direction of the vacuum cleaner main body 1.
  • the introduction pipe 20 and the introduction pipe outlet 12 are arranged closer to the right side in consideration of the arrangement of the motor case 16 and the cord reel 23 because the cord reel 23 is large.
  • the introduction pipe 20 is arranged closer to the right side of the vacuum cleaner body 1 instead of the center in the tangential direction of the inner peripheral surface of the outer cylinder 30 of the dust collector 10 (the right side of the vacuum cleaner body 1). This is because it is easy to generate a swirling flow by inflowing the sucked air from (located in).
  • the introduction pipe 20 is arranged on the right side to form a counterclockwise swirling flow.
  • a duct 21 is provided above the introduction pipe 20 in which air from which dust has been removed through the dust collector 10 is sucked from the duct port 21a.
  • a plurality of engaging holes are provided in which a plurality of claw portions 21s1 (see FIG. 5) of the duct base 21s are engaged with each other.
  • the duct 21 is fixed to the duct base 21s by engaging the plurality of claws 21s1 of the duct base 21s shown in FIG. 5 with the engaging holes of the duct 21.
  • the duct opening 21a has a lattice shape.
  • an engaging hole 1a7 (see FIG. 4) with which the arm hook portion 26d (see FIGS. 10A and 10B) of the handle arm 26c in the lid portion 24 of the dust collector 10 is engaged is a duct opening 21a. It is formed on both sides of.
  • the duct base 21s shown in FIGS. 5 and 6 is made of a transparent material so that the inside can be visually recognized.
  • 21 g of anti-vibration rubber (see FIG. 6) of the electric blower 14 arranged inside the duct base 21s can be visually recognized. It can be visually confirmed at a glance whether the anti-vibration rubber 21 g is normally set at the time of assembly.
  • air including dust and the like sucked in by the mouthpiece 7 flows into the introduction pipe 20 in the vacuum cleaner main body 1 from the hose attachment port 11 (arrow ⁇ 1 in FIG. 6). ..
  • the inflowing air passes through the introduction pipe 20, passes through the introduction pipe outlet 12, and reaches the dust collector 10 (arrow ⁇ 2 in FIG. 6).
  • the air containing dust and the like that has entered the dust collector 10 becomes an air flow that goes around the inner cylinder 40 (arrow ⁇ 3 in FIG. 6).
  • the centrifugal force generated by this air flow separates air and dust, and the air is the inner cylinder 4 It is sucked into 0, and a part of the air flow (arrow ⁇ 4 in FIG. 6) flows to the lower part of the dust collector 10. Due to this air flow (arrow ⁇ 4 in FIG. 6), the dust falls along the inner surface of the outer cylinder 30 and collects in the lower part of the dust collector 10.
  • the airflow to the lower part of the dust collector 10 rises along the outer peripheral surface of the cylindrical umbrella portion 44 (arrow ⁇ 5 in FIG. 6). Further, the airflow from which dust has been removed rises through the mesh filter 44f (see FIG. 15C) of the umbrella portion 44 described later (arrow ⁇ 51 in FIG. 6) and is sucked into the inner cylinder 40. Air containing fine dust that could not be centrifuged flows into the inner cylinder 40, and the fine dust is removed by the dust collecting filter 32 provided in the dust collector 10. Then, the air from which the dust has been removed passes through the inside of the duct 21 and is sucked into the electric blower 14 (arrow ⁇ 6 in FIG. 6).
  • the main body handle 19 is a member that is gripped by the user when carrying the vacuum cleaner S.
  • a main body handle 19 is attached between the lower case 1c and the upper case 1a.
  • FIG. 7A shows a front view of the dust collector 10
  • FIG. 7B shows a top view of the dust collector 10.
  • FIG. 7C shows a cross section of FIG. 7B II-II.
  • the dust collector 10 has a function of separating dust from air including dust sucked by the mouthpiece 7 and collecting the dust.
  • the dust collector 10 is formed of an outer cylinder 30, an inner cylinder 40, a filter case 33 for accommodating a dust collecting filter 32, a lid portion 24, and a bottom lid 31.
  • the shaft OO is the central shaft of the dust collector 10 having a substantially cylindrical shape.
  • the exterior of the bottom lid 31 is made of ABS and the surface is made of a glossy surface in order to improve the design.
  • the bottom lid 31 may be textured, for example silver, and painted in order to improve the design.
  • the filter case 33 is made of a material that allows the internal dust collecting filter 32 to be visually recognized, for example, a translucent resin.
  • the wavy filter portion 32f (see FIG. 7C) of the dust collecting filter 32 through which dust is filtered is provided sideways. Therefore, the laterally wavy filter portion 32f can be easily visually recognized from the outside of the filter case 33. Therefore, the visibility of the dust collecting filter 32 is improved.
  • the filter case 33 is arranged on the upper part of the outer cylinder 30, and the bottom lid 31 is arranged on the lower part.
  • the inner cylinder 40 is provided in the outer cylinder 30 concentrically with the outer cylinder 30.
  • the dust collector 10 has a space between the outer cylinder 30 and the inner cylinder 40 for separating and collecting dust by centrifugal force from the air including the dust sucked by the mouthpiece 7. That is, in the space formed by the outer cylinder 30 and the inner cylinder 40, the dust separating portion 10A is provided in the upper portion and the dust accommodating portion 10B is provided in the lower portion.
  • the dust separation unit 10A is a space for separating dust from air containing dust.
  • the dust accommodating portion 10B is a space for collecting dust.
  • the outer cylinder 30 has a substantially cylindrical shape having an upper opening 30i and a lower opening 30j that are open at the top and bottom.
  • An inflow pipe into which air (gas) containing dust flows in from the introduction pipe outlet 12 is provided on the side surface of the outer cylinder 30.
  • the outer inner surface of the inflow pipe is formed so as to be connected to the inner peripheral surface 30n of the outer cylinder 30 in a substantially tangential direction.
  • the inflow pipe is a connection portion to the introduction pipe 12, and an opening through which air containing dust flows in from the introduction pipe outlet 12 is formed.
  • the inflow pipe is formed by a drawing wall along the arc shape of the outer cylinder 30. Since the opening has a shape along the tangent line of the inner peripheral surface 30n of the outer cylinder 30, air containing dust and the like becomes a swirling airflow along the inner peripheral surface 30n of the outer cylinder 30.
  • the air flowing into the outer cylinder 30 of the dust collector 10 from the introduction pipe outlet 12 becomes an air flow around the central axis O (see FIG. 7A) (central axis of the dust collector 10) of the outer cylinder 30.
  • the outer cylinder 30 is rotated counterclockwise around the central axis O. Due to the swirling airflow, the dust contained in the air is separated by the centrifugal force in the dust separating portion 10A and stored in the dust accommodating portion 10B.
  • the lid portion 24 shown in FIG. 7C has a function of the user removing the dust collector 10 from the vacuum cleaner main body 1, a function of the user holding the dust collector 10, and a function of forming a lid of the dust collector 10. Also serves as.
  • FIG. 8A shows an exploded perspective view of the lid portion 24 viewed from diagonally upper left and front
  • FIG. 8B shows an exploded perspective view of the lid portion 24 viewed from the right side
  • FIG. 8C shows an exploded perspective view of the lid portion 24 as viewed diagonally from the upper right rear.
  • the lid portion 24 includes a lid base 25, a dust case handle 26, a dust case piece 27, a dust case cover 28, and a handle push-up spring 29 from the bottom.
  • the handle push-up spring 29 is a compression spring.
  • FIG. 9A shows a perspective view of the lid base 25 viewed from diagonally upward and rearward to the left
  • FIG. 9B shows a perspective view of the lid base 25 viewed from diagonally upward and forward to the left
  • FIG. 9C shows a left side view of the lid base 25.
  • the lid base 25 has a front circular rear shape when viewed from above. That is, the lid base 25 has a semi-cylindrical front portion 25A and a flat substantially box-shaped rear portion 25B.
  • the lid base 25 has a duct discharge port 25a and a spring receiver 25c.
  • the duct discharge port 25a is a rectangular opening.
  • the duct discharge port 25a communicates with the duct inlet portion 13 to the duct 21 (see FIG. 5).
  • the air after the dust is removed by the dust collector 10 from the duct discharge port 25a of the lid base 25 is sent to the duct inlet portion 13.
  • the spring receiver 25c has a cylindrical shape. As shown in FIG. 8C, the handle push-up spring 29 is fitted into the spring receiver 25c.
  • FIG. 10A shows a perspective view of the dust case handle 26 viewed from diagonally upper left and front
  • FIG. 10B shows a perspective view of the dust case handle 26 viewed from diagonally upper left and rear
  • FIG. 10C shows a top view of the dust case handle 26 as viewed from above.
  • the dust case handle 26 has a front flat cylindrical cylindrical portion 26a, a pair of support shafts 26b (see FIG. 10C), a pair of handle arms 26c, and a pair of arm hook portions 26d.
  • the cylindrical portion 26a is formed with a concave shape of a grip portion 26e into which a user inserts a hand when removing the dust collector 10.
  • the pair of support shafts 26b are rotation shafts of the dust case handle 26.
  • the pair of support shafts 26b have a cylindrical shape, and as shown in FIG. 10C, are formed so as to extend outward from the slightly rear portion of the cylindrical portion 26a to the left and right.
  • the arm hook portion 26d is formed in a convex shape upward from the tip end portion of the handle arm 26c.
  • FIG. 11A shows a perspective view of the dust case piece 27 as viewed diagonally from the front and upper left
  • FIG. 11B shows a perspective view of the dust case piece 27 as viewed diagonally from the rear and upper right.
  • the dust case piece 27 is a design part made of ABS.
  • the dust case piece 27 has a roof-shaped rear cover portion 27a, a pair of shaft arms 27b, a pair of shaft hole protrusions 27d, and a claw arm 27f.
  • the pair of shaft arms 27b have an arm shape extending forward from the left and right ends of the roof-shaped rear cover portion 27a.
  • a shaft hole protrusion 27d is projected downward from the tip of the shaft arm 27b.
  • a shaft hole 27c is formed in each of the pair of shaft hole protrusions 27d.
  • Each of the shaft holes 27c is formed as a through hole penetrating in the left-right direction at the tip of the shaft arm 27b.
  • the shaft hole 27c has a diameter slightly larger than the diameter of the support shaft 26b so that the support shaft 26b of the dust case handle 26 can be inserted.
  • FIG. 12A shows a perspective view of the dust case cover 28 as viewed diagonally from the upper left front
  • FIG. 12B shows a perspective view of the dust case cover 28 as viewed diagonally from the upper left rear.
  • the dust case cover 28 is a case-shaped part having a semi-cylindrical portion 28a and an annular disc portion 28b.
  • the dust case cover 28 is made of ABS.
  • the dust case cover 28 has a silver exterior.
  • the semi-cylindrical portion 28a has an opening 28a1 at the rear portion.
  • the annular disc portion 28b has a circular opening 28b1 in the central portion, and has a shape in which the central side is raised upward.
  • Assembling the lid 24 is performed as follows by aligning the front, rear, left and right directions of the lid base 25, the dust case handle 26, the dust case piece 27, and the dust case cover 28, as shown in FIGS. 8A to 8C. Be told.
  • the left and right support shafts 26b of the dust case handle 26 are deformed from the inside into the left and right paired shaft holes 27c of the dust case piece 27 shown in FIGS. 11A and 11B, and at least one of the dust case handle 26 and the dust case piece 27 is deformed. Let it through. This is called a handle piece assembly.
  • the handle push-up spring 29 is fitted to the spring receiver 25c of the lid base 25 from above.
  • the above-mentioned handle piece assembly is placed on the lid base 25 on which the handle push-up spring 29 is installed.
  • the assembly claw 27e of the dust case piece 27 is engaged with the lid base 25.
  • the dust case cover 28 is placed on this and fixed with screws n (see FIG. 8A) from the lower side.
  • the handle push-up spring 29 presses the top plate 26a1 of the cylindrical portion 26a (see FIG. 10A) on the handle arm 26c side upward against the support shaft 26b in the handle arm 26c. Therefore, a force that pushes the pair of arm hooks 26d of the dust case handle 26 upward around the support shaft 26b is applied.
  • FIG. 13A shows a schematic cross-sectional view around the lid 24 in which the dust collector 10 is installed in the vacuum cleaner main body 1.
  • the arm hook portion 26d of the dust collector 10 is locked in the engagement hole 1a7 (see FIG. 4) of the upper case 1a.
  • FIG. 13B shows a schematic cross-sectional view around the lid 24 of the dust collector 10 when the dust collector 10 is removed from the vacuum cleaner main body 1.
  • a space 21p (dense dots in FIG. 6) into which a hand is inserted is formed below the grip portion.
  • the user inserts his / her hand into the grip portion 26e of the dust case handle 26 in the front-down direction (arrow ⁇ 21 in FIG. 13A) and pulls it upward (FIG. 13B). Arrow ⁇ 22).
  • the grip portion 26e has a structure in which a hand is put in the front-down direction from the rear and the grip portion 26e is gripped from below by the hand.
  • the dust case handle 26 rotates clockwise around the support shaft 26b (arrow ⁇ 23).
  • the arm hook portion 26d of the dust case handle 26 is disengaged from the pair of engaging holes 1a7 (see FIG. 4) of the upper case 1a, respectively.
  • the dust collector 10 can be removed from the vacuum cleaner main body 1.
  • FIG. 14A shows a perspective view of a state in which the lid 24 of the dust collector 10 is opened and the dust collection filter 32 is taken out
  • FIG. 14B shows a perspective view of a state in which the dust collection filter 32 is being cleaned.
  • the dust collecting filter 32 has a filter case 32c and a wavy filter portion 32f. The wavy filter portion 32f is attached to the filter case 32c.
  • the filter case 32c is formed with a pair of case legs 32c2 protruding downward from the wave-shaped filter portion 32f. In FIG. 14A, one case foot 32c2 is hidden. Cleaning of the dust collecting filter 32 of the dust collecting device 10 is performed as follows. As shown in FIG. 14A, the user pushes the filter cleaning lever 10r of the dust collector 10 (arrow ⁇ 11 in FIG. 14A) to grip the grip portion 26e of the dust case handle 26 and open the lid portion 24.
  • the user holds the filter case 32c of the dust collecting filter 32 and taps the case foot 32c2 protruding downward against the floor surface Y or the like to cause dust adhering to the dust collecting filter 32. And so on. Therefore, dust removal of the dust collecting filter 32 can be easily performed.
  • Some dust collecting filters 32 are dust-removed with a special brush, which may take time and effort for cleaning. On the other hand, by using the above-mentioned configuration of the dust collecting filter 32, the cleaning performance is improved.
  • FIG. 15A shows a perspective view of the dust collector 10 as viewed diagonally from the rear right.
  • FIG. 15B shows a left side view of the dust collector 10 with the lid 24 open.
  • FIG. 15C shows a perspective view of the dust collector 10 with the bottom lid 31 opened for dust disposal as viewed from diagonally lower left.
  • FIG. 15D shows a left vertical cross-sectional view of the dust collector 10 in which the bottom lid 31 is opened for dust disposal.
  • the bottom lid 31 is provided with two leg portions 31e protruding downward from the rounded lower surface 31s.
  • the two legs 31e provide support so that the center of gravity of the dust collector 10 moves backward when the lid 24 is opened by the dust collector 10, so that the two legs 31e do not fall backward. ing. Therefore, when the user opens the lid 24 of the dust collector 10 (arrow ⁇ 21 in FIG. 15B) in order to clean the dust filter 32, the two legs 31e of the bottom lid 31 serve as support on the rear side. , It is possible to prevent the dust collector 10 from tipping backward (arrow ⁇ 22 in FIG. 15B).
  • the umbrella portion 44 has a cylindrical shape having an opening 44a at the bottom.
  • the umbrella portion 44 has a peripheral side plate 44b and a flat plate-shaped top plate 44c following the upper end of the peripheral side plate 44b.
  • a plurality of openings 44c1 are formed in the top plate 44c of the umbrella portion 44.
  • a mesh filter 44f which is a mesh-like filter, is installed in the opening 44c1.
  • a cylindrical sliding convex portion 46 having an opening 46a below is provided in the central portion of the umbrella portion 44 continuously with the top plate 44c.
  • a compression spring 48 is provided between the sliding convex portion 46 and the base plate 47 so as to urge the umbrella portion 44 downward with respect to the base plate 47.
  • the sliding convex portion 46 of the present embodiment has a cylindrical shape with an opening 46a at the bottom.
  • the number of sliding convex portions 46 of the embodiment is reduced by eliminating the cap parts. Further, by making the lower surface of the sliding convex portion 46 an opening 46a, dust and the like that have entered the sliding convex portion 46 can be easily removed. Therefore, the cleaning performance inside the sliding convex portion 46 is improved.
  • the area of the opening 46a is substantially the same as any cross-sectional area of the sliding convex portion 46, and dust and the like that have entered the sliding convex portion 46 can be discharged from the sliding convex portion 46, and the umbrella portion 44 can be discharged. Improved maintainability.
  • FIGS. 16A and 16B show a cross-sectional view of the inner cylinder Kumi 49 with the umbrella portion 44 sliding downward
  • FIG. 16B shows a cross-sectional view of the inner cylinder Kumi 49 with the umbrella portion 44 not sliding downward. Is shown.
  • the inner cylinder Kumi 49 can be removed from the dust collector 10 by turning it clockwise around the central axis O. On the other hand, if the inner cylinder Kumi 49 is turned counterclockwise around the central axis O, it can be attached to the dust collector 10. By removing the inner cylinder Kumi 49 from the dust collector 10, the entire inner cylinder Kumi 49 can be washed with water. Further, since there are an inner cylinder upper surface 40a, an inner cylinder lower surface 40b, and an opening 46a (drained to arrows ⁇ 40, ⁇ 41, ⁇ 42 in FIG. 16A) where water is discharged, water does not easily collect in the inner cylinder Kumi 49 and the water dries. It is possible to reduce the time until.
  • FIG. 17 is a partially cutaway enlarged perspective view of the bottom lid 31 shown in FIG. 14A with respect to the outer cylinder 30 and the circumference of the rotation shaft 31j as viewed diagonally from the upper left front.
  • FIG. 18A shows an enlarged cross-sectional view of part III of FIG. 7C
  • FIG. 18B shows an enlarged cross-sectional view of part IV of FIG. 15D.
  • the bottom lid 31 is provided with a rotating shaft 31j having an elliptical cross section for opening and closing the outer cylinder 30.
  • the rotation shaft 31j has a long axis side 31j1 in the horizontal direction as shown in FIG. 18A, and when the bottom lid 31 is opened, the rotation shaft 31j is long as shown in FIG. 18B.
  • the shaft side 31j1 is in the vertical direction.
  • the outer cylinder 30 is provided with support portions 30s having bearing holes 30u at both ends for rotating the rotation shaft 31j of the bottom lid 31.
  • a plurality of fixed ribs 30r are provided inside the support portion 30s.
  • the fixed rib 30r has a contact portion 3r1 that comes into contact with the long shaft side 31j1 of the rotating shaft 31j when the bottom lid 31 of the dust collector 10 is opened.
  • the fixing rib 30r is formed when the bottom lid 31 of the dust collector 10 that fixes the lid 31 in an open state by contacting the contact portion 3r1 with the long axis side 31j1 of the rotating shaft 31j of the bottom lid 31.
  • the contact portion 3r1 of the fixed rib 30r of the outer cylinder 30 faces the short shaft side 31j2 of the rotation shaft 31j of the bottom lid 31 and is not in contact with the rotation shaft 31j.
  • the user pushes the bottom lid opening lever 30v shown in FIG. 15A (arrow ⁇ 3 in FIG. 15A). Then, the lock of the outer cylinder 30 with respect to the bottom lid 31 is released, the umbrella portion 44 of the dust collector 10 is pressed by the compression spring 48 (see FIG. 7C), and as shown in FIG. 15D, the umbrella portion 44 of the outer cylinder 30 Jump down. With that momentum, the dust stored inside the bottom lid 31 (see FIG. 7C) below the outer cylinder 30 is discharged downward. At this time, as shown in FIG.
  • the contact portion 3r1 of the fixing rib 30r of the outer cylinder 30 contacts the long shaft side 31j1 of the rotation shaft 31j of the bottom lid 31 and fixes the bottom lid 31 in an open state. .. Therefore, the dust and the like accumulated in the dust collector 10 can be smoothly discarded. Further, since the lower surface of the sliding convex portion 46 has an opening 46a substantially equal to the cross section of the sliding convex portion 46, dust and the like that have entered the sliding convex portion 46 are also discharged at the same time. As described above, the dust and the like stored inside the bottom lid 31 (see FIG. 7C) below the outer cylinder 30 can be easily discharged downward.
  • the above-mentioned inner cylinder Kumi 49 can be attached to and detached from the dust collector 10. As a result, the entire inner cylinder Kumi 49 (see FIGS. 16A and 16B) can be washed with water. Further, the umbrella portion 44 is slidable with respect to the base plate 47, and the lower surface of the sliding convex portion 46 is an opening 46a, so that when the inner cylinder Kumi 49 is washed with water, the opening 46a (FIG. 16A). Water and dust that have entered the sliding convex portion 46 can be discharged from the arrow ⁇ 40), and the careability is improved.
  • the bottom lid 31 comes into contact with the sliding convex portion 46 of the umbrella portion 44, and the bottom lid 31 is closed while sliding the umbrella portion 44 with respect to the base plate 47. ..
  • the compression spring 48 is compressed, and the sliding convex portion 46 of the umbrella portion 44 is in contact with the bottom plate 31t of the bottom lid 31.
  • the support shaft 26b of the dust case handle 26 provided with the engaging portion with the vacuum cleaner main body 1 is pivotally supported by the dust case piece 27 of the design component provided on the lid portion 24 of the dust collector 10. ..
  • the dust case piece 27 of the design component provided on the lid portion 24 of the dust collector 10.
  • the grip portion 26e to be gripped when the dust collector 10 is removed from the vacuum cleaner main body 1 is put into the front lower part (arrow ⁇ 21 in FIG. 13A) to form a grip portion having a structure of being gripped from the lower side by hand.
  • the space above and behind the dust collector 10 (the space 21p in front of the duct opening 21a (dense dots in FIG. 6)) can be expanded.
  • the area of the flow path connected to the vacuum cleaner main body 1 can be secured, and the loss of the dust collector 10 can be reduced.
  • the space 21p in which the air from which the dust has been removed through the dust collector 10 is sucked from the duct port 21a and the grip portion 26e of the dust case handle 26 are provided.
  • the space 26s to be gripped can be arranged so as to be displaced in the front-rear direction.
  • the space 26s (coarse dots in FIG. 6) for gripping the grip portion 26e of the dust case handle 26 and the space 21p (dense dots in FIG. 6) in front of the duct opening 21a of the duct 21 are combined with the dust collector 10. It can be arranged so as to be overlapped in the direction perpendicular to the central axis O of. Alternatively, at least a part of the space 26s (coarse dots in FIG. 6) for gripping the grip portion 26e of the dust case handle 26 and the space 21p (dense dots in FIG. 6) in front of the duct opening 21a of the duct 21 are collected.
  • the dust device 10 can be arranged at the same position in the central axis O direction. Therefore, the height of the vacuum cleaner main body 1 in which the dust collector 10 is set can be lowered.
  • the direction in which the user grips the grip portion 26e of the dust case handle 26, which is the direction when the dust collector 10 is removed, is set from the rear to the front (arrow ⁇ 21 in FIG. 13A). Therefore, the direction in which the dust collector 10 is removed from the vacuum cleaner main body 1 (arrow ⁇ 2 in FIG. 2) and the direction in which the dust collector 10 is removed from the vacuum cleaner main body 1 (arrow ⁇ 21 in FIG. 13A) coincide with each other. Therefore, the handleability when the user removes the dust collector 10 is good.
  • the vacuum cleaner S can be made smaller and lighter. Further, the number of parts of the vacuum cleaner S can be reduced, and the assembling property can be improved.
  • Vacuum cleaner body 1a7 Engagement hole (engaged part) 10 Dust collector 14 Electric blower 26 Dust case handle (release mechanism, handle member) 27c Shaft hole (rotating shaft) 26d Arm hook (engagement) 26e Grip part 26s Space for gripping the grip part 21s Space in front O Central axis of dust collector S Vacuum cleaner ⁇ 21 From rear to front

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

Abstract

La présente invention concerne un aspirateur électrique (S) comprenant un corps d'aspirateur (1) doté d'une soufflante électrique (14), et un dispositif de collecte de poussière (10) qui peut être fixé au corps d'aspirateur (1) et détaché du corps d'aspirateur (1), l'aspirateur électrique (S) étant tel que la direction (α21) le long de laquelle un utilisateur déverrouille un mécanisme de libération (26) lors du retrait du dispositif de collecte de poussière (10) du corps d'aspirateur (1) est une direction arrière-avant.　Un espace (26s) dans lequel l'utilisateur tient une partie de maintien (26e) afin de déverrouiller le mécanisme de libération (26) lors du retrait du dispositif de collecte de poussière (10) du corps d'aspirateur (1) et un espace avant (21p) dans lequel de l'air entre dans le corps d'aspirateur (1) après le retrait de poussière dans le dispositif de collecte de poussière (10) se chevauchent de préférence dans une direction perpendiculaire à l'axe central (O) du dispositif de collecte de poussière (10).
PCT/JP2020/025293 2019-06-26 2020-06-26 Aspirateur électrique WO2020262633A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-118897 2019-06-26
JP2019118897A JP2021003373A (ja) 2019-06-26 2019-06-26 電気掃除機

Publications (1)

Publication Number Publication Date
WO2020262633A1 true WO2020262633A1 (fr) 2020-12-30

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WO (1) WO2020262633A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022146054A (ja) * 2021-03-22 2022-10-05 日立グローバルライフソリューションズ株式会社 掃除システム

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004249010A (ja) * 2002-12-27 2004-09-09 Sharp Corp 電気掃除機
JP2014008311A (ja) * 2012-07-02 2014-01-20 Hitachi Appliances Inc 電気掃除機
JP2015204929A (ja) * 2014-04-18 2015-11-19 日立アプライアンス株式会社 電気掃除機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004249010A (ja) * 2002-12-27 2004-09-09 Sharp Corp 電気掃除機
JP2014008311A (ja) * 2012-07-02 2014-01-20 Hitachi Appliances Inc 電気掃除機
JP2015204929A (ja) * 2014-04-18 2015-11-19 日立アプライアンス株式会社 電気掃除機

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