WO2014112400A1 - 電気掃除機 - Google Patents

電気掃除機 Download PDF

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Publication number
WO2014112400A1
WO2014112400A1 PCT/JP2014/050028 JP2014050028W WO2014112400A1 WO 2014112400 A1 WO2014112400 A1 WO 2014112400A1 JP 2014050028 W JP2014050028 W JP 2014050028W WO 2014112400 A1 WO2014112400 A1 WO 2014112400A1
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WO
WIPO (PCT)
Prior art keywords
vacuum cleaner
electric blower
flow path
dust collection
collection unit
Prior art date
Application number
PCT/JP2014/050028
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
真浩 吉田
満久 廣田
Original Assignee
シャープ株式会社
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
Priority claimed from JP2013005610A external-priority patent/JP6057727B2/ja
Priority claimed from JP2013005606A external-priority patent/JP6072544B2/ja
Application filed by シャープ株式会社 filed Critical シャープ株式会社
Priority to CN201490000378.5U priority Critical patent/CN205162980U/zh
Publication of WO2014112400A1 publication Critical patent/WO2014112400A1/ja

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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
    • A47L9/009—Carrying-vehicles; Arrangements of trollies or wheels; Means for avoiding mechanical obstacles
    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2868—Arrangements for power supply of vacuum cleaners or the accessories thereof
    • A47L9/2884—Details of arrangements of batteries or their installation

Definitions

  • the present invention relates to a vacuum cleaner.
  • Patent Document 1 a suction port disposed at the front portion of the cleaner body, and a cylindrical central axis is disposed in a posture that is horizontal in the left-right direction of the cleaner body at the rear of the suction port body.
  • Patent Document 1 describes a dust collection chamber disposed behind the cleaner body and a blower and a power supply unit (charge pack) disposed in front thereof.
  • Patent Document 2 includes a vacuum cleaner body having wheels and a suction port disposed at a front portion of the vacuum cleaner body.
  • the vacuum cleaner body has a cylindrical central axis behind the suction port body.
  • a cyclone type dust collector arranged in a posture inclined obliquely in the front-rear direction of the vacuum cleaner body, an electric blower and a power cord winder arranged so as to rotate around the vertical axis behind the dust collector;
  • a vacuum cleaner is described.
  • the dust collecting chamber is disposed in the front, and the electric blower and the power supply unit are disposed in the rear. Therefore, the mass of the vacuum cleaner body is concentrated in the rear. Therefore, when the cleaner body is pulled by the suction hose portion, the front wheels are likely to float and bounce, and the traveling direction is unstable, so that the traveling followability of the cleaner body is not good.
  • Patent Document 1 when a dust collection chamber is arranged behind the cleaner body and a blower and a power supply unit are arranged in front of the dust collection chamber, a large weight blower and power supply unit Both of them will be arranged in front of the vacuum cleaner body, and when the vacuum cleaner body is pulled by the suction hose part, it becomes difficult for the front wheels to get over the step, and this also improves the running followability of the vacuum cleaner body There was no problem.
  • the conventional structure for supporting an electric blower is a structure in which the upper and lower portions of the electric blower are sandwiched by a fan cover and the bottom of the fan cover is fixed to the bottom of the housing of the cleaner body. Therefore, there is a problem that the vibration of the electric blower during driving is easily transmitted to the floor via the fan cover, the housing of the cleaner body, and the wheels.
  • the present invention has been made in consideration of the above-described circumstances, and is an electric device that improves traveling followability while suppressing the size and weight of the vacuum cleaner body and reducing the vibration transmitted to the floor surface.
  • a vacuum cleaner is provided.
  • the present invention comprises a suction hose portion and a vacuum cleaner body
  • the vacuum cleaner body is A housing, A dust collection unit that collects dust sucked through the suction hose portion; An electric blower that is disposed in front of the dust collection unit and sucks air from the suction hose portion through the dust collection unit; A storage battery for supplying electric power to the electric blower; A circuit board electrically connected to the electric blower; An exhaust passage provided in the housing and for guiding exhaust from the electric blower to the rear; The storage battery provides a vacuum cleaner disposed in the exhaust passage.
  • the electric blower is arranged on the front side of the vacuum cleaner main body, and the storage battery is arranged on the rear side of the electric blower, so that the mass of the main body of the vacuum cleaner is not concentrated in one place. Is done. Therefore, even if pulled by the suction hose portion, the front side of the cleaner body is not easily lifted, and the cleaner body can easily get over the level difference on the floor surface. As a result, traveling of the cleaner body is stabilized. In addition, since the air is exhausted from the electric blower through the lower flow passage and the rear flow passage to the outside from the exhaust port, the air flow downstream from the electric blower becomes smooth, and the storage battery is reduced while reducing the load on the electric blower.
  • the circuit board can be cooled and the cooling efficiency can be improved.
  • the outer peripheral part of the electric blower is fixed to the fan cover via an elastic member so that the lower part of the electric blower is lifted from the bottom of the fan cover. Therefore, even if the bottom part of the fan cover is attached to the bottom part of the housing of the cleaner body, the vibration of the electric blower during driving is hardly transmitted to the floor surface.
  • FIG. 3 is a cross-sectional view taken along arrow AA in a state where the cleaner body of FIG. 2 is connected to a suction hose.
  • FIG. 4 is a cross-sectional view taken along the line BB in a state where the cleaner body of FIG. 3 is connected to a suction hose.
  • FIG. 2 It is a longitudinal cross-sectional view of the dust collection unit shown in FIG.
  • the charging stand which charges the cleaner main body of FIG. 2 is shown, (A) is a perspective view, (B) is a perspective view which shows the state which set the cleaner main body to the charging stand of (A). It is explanatory drawing which shows the flow path of the airflow in the cleaner body shown in FIG. It is explanatory drawing which shows the flow path of the airflow in the cleaner body of Embodiment 2.
  • FIG. 1 is an external perspective view of a vacuum cleaner according to Embodiment 1 of the present invention
  • FIGS. 2, 3 and 4 are a plan view, a side view and a front view of a vacuum cleaner main body of the vacuum cleaner shown in FIG.
  • FIG. 5 is a perspective view of the vacuum cleaner shown in FIG. 6 is a cross-sectional view taken along the line AA with the vacuum cleaner body of FIG. 2 connected to the suction hose
  • FIG. 7 is a view of the vacuum cleaner body of FIG. 3 connected to the suction hose. It is BB arrow sectional drawing.
  • the vacuum cleaner 1 includes a vacuum cleaner main body 100A having a wheel in which a cyclone type dust collecting unit 500 is detachably incorporated, and a suction hose portion 300.
  • the suction hose part 300 includes a suction hose 301, an extension pipe 302, a suction port body 303 connected to the tip of the extension pipe 302, a hand handle 304, an operation part 305 attached to the hand handle 304, and a connection part. 306.
  • the suction hose 301 is detachably connected to the front of the cleaner main body 100A through the connection portion 306, and the user brings the suction port body 303 at the tip of the extension pipe 302 into contact with the floor surface while holding the hand handle 304 by hand. It can be moved while.
  • the wheels are a pair of large ring-shaped wheels 140 disposed on the left and right side surfaces, a small roller-shaped front wheel 117 disposed at the front lower portion, and a rear wheel disposed at the rear lower portion. It has a free wheel 118 which is a caster that can rotate and turn. Therefore, when the user moves while holding the hand handle 304 by hand, the cleaner body 100A can follow the operation.
  • the front is the direction in which the vacuum cleaner main body 100A is advanced
  • the rear is the direction in which the vacuum cleaner main body 100A is moved backward
  • the upper is The direction is the direction opposite to the floor surface
  • the lower direction is the direction on the floor surface side
  • the left-right direction is the direction orthogonal to both sides with respect to the front-rear direction.
  • the vacuum cleaner body 100A is supported by a pair of wheels 140 and a rear wheel 118 in the free state shown in FIG. 3, and is pulled forward by the suction hose 301 shown in FIG. 117. That is, the front wheel 117 is lifted from the floor surface F in the state shown in FIG. 3, and the free wheel 118 is lifted from the floor surface F in the state shown in FIG. Note that the ring-shaped wheel 140 is a specific embodiment of the present invention.
  • the vacuum cleaner main body 100A sucks dust on the floor surface together with air from the suction port body 303 to the dust collecting unit 500 through the extension pipe 302 and the suction hose 301.
  • Ring-shaped wheel bodies 110 are arranged on the left and right sides of the dust collection unit 500.
  • the user visually checks the dust collection status of the dust collection unit 500 inside the vacuum cleaner main body 100A from the central opening 141 of the ring-shaped wheel main body 110, and pulls out the dust collection unit 500 from the upper part of the vacuum cleaner main body 100A as appropriate. Dust collected in the unit 500 can be discarded. Moreover, since the cleaner body 100A includes the hand handle 115, the user can hold the hand handle 115 and lift the cleaner body 100A for transportation.
  • FIGS. 8 to 10 are exploded perspective views of the cleaner body 100A.
  • 11 is a cross-sectional view of the main part showing the configuration of the ring-shaped wheel 140 of the cleaner main body 100A shown in FIG. 3, and
  • FIG. 12 shows the periphery of the electric blower 106 when the cleaner main body 100A of FIG. 6 is viewed from the opposite side.
  • FIG. 13 is a partial cross-sectional view showing the structure, and FIG. 13 is a partial perspective view of the state in which the rear housing of the cleaner body 100A is removed as viewed obliquely from the lower rear.
  • the vacuum cleaner main body 100A includes a housing made of a plurality of members, and is connected to the suction hose portion 301 and collects dust by a swirling airflow, and the suction hose portion 301 is disposed in front of the dust collection unit 500.
  • the electric blower 106 for sucking air from the dust collecting unit 500, the storage battery B for supplying electric power to the electric blower 106, and the circuit boards K 1 and K 2 electrically connected to the electric blower 106 are provided in the housing. Prepare inside the body.
  • the housing constituting the vacuum cleaner main body 100A includes a main first housing 101 (see FIG. 8) and a first housing for housing the electric blower 106 installed in front of the first housing 101.
  • a fan cover 102 (see FIG. 9) made up of a first member 102a and a second member 102b, and a second housing 103 (see FIG. 8) that is installed at the center of the first housing 101 and houses the dust collection unit 500. included.
  • the casing further includes a lower relay duct 104 and an upper relay duct 105 (see FIG. 10) that connect the dust collection unit 500 and the electric blower 106 to circulate air, and are disposed in front of the first casing 101.
  • a third housing 107 (see FIG. 10), a fourth housing 108 (see FIG. 10) disposed above the third housing 107, and a storage battery B and an ion generator behind the first housing 101.
  • a lower flow path 138 and a rear flow path 139 that guide exhaust from the electric blower 106 to the exhaust port 133 are formed in the lower and rear portions of the dust collection unit 500 in the housing of the vacuum cleaner main body 100A (see FIGS. 6 and 17).
  • the circuit boards K1, K2 and the storage battery B are arranged in the exhaust flow path having the lower flow path 138 and the rear flow path 139.
  • the first housing 101 includes a bottom wall 101a, a lower front wall 101b that is continuous with the bottom wall 101a, and a rear wall 101c that is continuous with the bottom wall 101a.
  • a window 101e is provided on the surface, and a ring-shaped window frame 101f is provided around the window 101e.
  • the bottom wall 101 a includes a main surface portion 101 a 1 where the dust collection unit 500 is installed and an inclined surface portion 101 a 2 inclined obliquely upward from the main surface portion 101 a 1 forward.
  • a roller 117a of the front wheel 117 is rotatably provided through a shaft 117b in a concave portion formed at the boundary between the main surface portion 101a 1 and the inclined surface portion 101a 2, and a pin 116a is pinned in the concave portion formed in the inclined surface portion 101a 2. It is fixed by a fixing member 116b.
  • This pin 116 is a pin for attaching both ends of a shoulder belt (not shown) with hooks.
  • the shoulder belt is used by a user to lift the cleaner body 100A when cleaning a staircase or the like.
  • the shoulder belt is attached to the user's shoulder while keeping the cleaner body 100A in a stable posture by attaching both ends of the handbag handle 115, which will be described later, provided on the front side of the cleaner body 100A to the pins 116 through the shoulder belt. Can be hung.
  • the rear wall 101c of the first casing 101 is disposed between the second casing 103 and the fifth casing 109a, and air that has passed through the lower flow path 138 is passed to the rear flow path 139 below the rear wall 101c.
  • a plurality of slits 101c 1 (see FIG. 13) for escaping are formed.
  • Also forms a battery housing recess for housing the battery B is upper than a plurality of slits 101c 1 retracted in the rear wall 101c.
  • an enclosure wall 101c 3 opening rearward and downward is formed on the outer surface of the rear wall of the battery housing recess, and a plurality of vent holes 101c 4 are formed on both sides of the enclosure wall 101c 3 .
  • the ion generator P is disposed below the enclosure wall 101c 3 on the rear wall 101c
  • the connector terminal unit C is disposed below the ion generator P
  • the LED board L is disposed above the enclosure wall 101c 3 .
  • the second casing 103 (see FIG. 8) installed at the center of the first casing 101 has an upper opening 103a at the top and windows 103b on both sides.
  • the fifth housing 109 a includes a bottom wall 109 a 1 to which the universal wheel 118 is attached, and a circle extending upward in an arc from the rear end of the bottom wall 109 a 1. and an arc-shaped rear wall 109a 2.
  • the universal wheel 118 includes a wheel 118a and a disk-shaped universal frame 118b that rotatably holds the wheel 118a.
  • the bottom wall 109a 1 is formed with a circular recess having a center hole for pivotally mounting the free frame 118b of the free wheel 118 by bolt / nut connection.
  • an exhaust port 133 and an ion emission port 134 are formed, and an opening for exposing the connector terminal unit C to the outside is formed.
  • the exhaust port 133 is disposed at a position facing the vent hole 101c 4 and a position facing the ion generator P, and the ion emission port 134 is opposed to a region surrounded by the surrounding wall 101c 3 . Placed in position.
  • the LED board L includes a battery display lamp L1, an information display lamp L2, and an ECO display lamp L3 (see FIG. 2).
  • the LED cover 109b has a translucent portion that transmits the light from these lamps L1 to L3.
  • the battery display lamp L1 displays the level of the battery voltage supplied by the storage battery B and the completion of charging using an LED whose emission color changes.
  • the battery voltage when the battery voltage is sufficiently high after full charge, it lights in green, and as the remaining battery capacity of the storage battery B decreases with use and the battery voltage drops, the display color changes from green to yellow and then red, and charging is required. Let users know when it ’s right. Furthermore, it flashes red during charging, and lights up in green when charging is completed to notify the user of completion of charging.
  • the notification display lamp L2 lights up when there is a notification to the user.
  • the eco mode is a mode in which the control unit switches the suction force of the electric blower 106 depending on whether the place of cleaning is a carpet or flooring. Further, when the suction port body 303 moves away from the floor during the operation in the eco mode, the control unit stops a brush drive motor (not shown) provided in the suction port body 303 in response thereto. A control part judges the place of cleaning by the load of a brush drive motor.
  • the charging stand 600 for charging the storage battery B of the cleaner body 100A includes a base body 601 having a recess 601a into which the rear part of the cleaner body 100A is stably fitted, a connector terminal unit 602 provided in the recess 601a, and a connector terminal.
  • An electric cord 603 having one end electrically connected to the unit 602 and a plug provided at the other end to be plugged into an indoor commercial power source (outlet). In FIG. 16A, the other end of the electric cord 603 is not shown.
  • the vacuum cleaner main body 100a When charging the storage battery B of the vacuum cleaner main body 100A, the vacuum cleaner main body 100a is installed on the concave portion 601a of the charging stand 600 electrically connected to a commercial power supply with the connector terminal unit C facing downward. At this time, when the user holds the handle 115 and lifts the cleaner main body 100A, the rear part naturally faces downward, and therefore the cleaner main body 100A may be placed on the charging stand 600 in this state. Thereby, the connector terminal unit C of the cleaner body 100A and the connector terminal unit 602 of the charging stand 600 are electrically connected, and the storage battery B of the cleaner body 100A is charged.
  • the male plug of the electric cord having male and female plugs at both ends is connected to a commercial power source
  • the female plug is connected to the connector terminal unit C of the vacuum cleaner main body 100A, and electric power is supplied from the commercial power source. You may make it charge the storage battery B, driving the air blower 106 and cleaning. In this way, cleaning can be continued even when the remaining battery level becomes zero during cleaning.
  • the rear channel 139 is formed by joining the fifth casing 109a and the LED cover 109b to the first casing 101 (see FIGS. 6 and 17).
  • the rear flow path 139 is a branch made up of a first rear flow path 139a through which air passes through the battery housing recess side of the first housing 101 and a second rear flow path 139b through which air passes through the fifth housing 139a. It is a flow path.
  • the air flow of the first rear passage 139a toward upward from below flows through the plurality of vent holes 101c 4 to the second rear passage 139b.
  • the air flow of the entire vacuum cleaner body 100A will be described in detail later.
  • the fan cover 102 (see FIG. 9) includes a first member 102a that covers a front portion of the outer peripheral portion of the electric blower 106 and forms the lower half of the lower flow path 138 (see FIG. 17), and an outer peripheral portion of the electric blower 106. And a second member 102b that covers the rear portion and forms the upper half of the lower flow path 138.
  • the electric blower 106 is provided with a gap in the first member 102a so that the rotation axis direction thereof, that is, the blowing direction faces the direction of gravity, and between the lower portion of the electric blower 106 and the bottom of the first member 102a.
  • the electric blower 106 is installed via a ring-shaped elastic member 401 attached to the outer periphery of the electric blower 106 so that the electric blower 106 is lifted with respect to the bottom of the first member 102a.
  • This gap is a space where lead wires for connecting the electric blower 106 and the circuit boards K1, K2 are disposed.
  • the outer peripheral portion of the electric blower 106 to which the ring-shaped elastic member 401 is attached has an annular projecting portion 106a projecting in the radial direction.
  • the ring-shaped elastic member 401 includes an outer flange 401a that is in close contact with the lower surface of the annular protrusion 106a of the electric blower 106 and a short cylindrical portion 401b that is in close contact with the outer peripheral surface below the lower surface of the annular protrusion. It becomes.
  • the first and second members 102 a and 102 b of the fan cover 102 include arc-shaped step portions 102 a 1 and 102 b 1 that are in close contact with the outer flange portion 401 a of the ring-shaped elastic member 401, and a short cylindrical portion of the ring-shaped elastic member 401.
  • An electric blower housing portion having arcuate wall portions 102a 2 and 102b 2 in close contact with 401b and a circuit board housing portion extending rearward from the bottom of the electric blower housing portion.
  • Air holes 102a 3 and 102b 3 through which air flows are formed in the rear portions of the circuit board housing portions of the first and second members 102a and 102b.
  • the electric blower 106 to which the ring-shaped elastic member 401 is attached is fitted into the electric blower housing portion of the first member 102a, and the circuit boards K1 and K2 are inserted into the circuit board housing portion of the first member 102a.
  • the second member 102b is joined to the first member 102a so as to cover the rear part of the electric blower 106 and the circuit boards K1, K2.
  • the fan cover 102 is formed with an annular stepped portion formed of arc-shaped stepped portions 102a 1 and 102b 1, and the annular protruding portion 106a of the electric blower 106 is formed on the ring-shaped elastic member 401 on the annular stepped portion. It is put through. Therefore, the electric blower 106 is supported in a state where the lower part thereof is lifted up without contacting the bottom of the first member 102a.
  • a space for accommodating the circuit boards K1, K2 is formed by the circuit board housing portions of the first and second members 102a, 102b, and this space is used as the lower flow path 138.
  • the lower relay duct 104 (see FIG. 10) includes a horizontal relay duct 104a and a vertical relay duct 104b on the upper surface.
  • the upper relay duct 105 is provided to connect the outflow duct 571 (see FIG. 14) of the dust collecting unit 500 to the vertical relay duct 104b (see FIG. 10) of the lower relay duct 104 via the packing 124.
  • the vertical relay duct 104 b of the lower relay duct 104 is provided to connect the upper relay duct 105 to the electric blower 106.
  • a ring-shaped elastic seal member 402 is provided between the upper end of the electric blower 106 and the vertical relay duct 104b.
  • packings 125 and 126 are attached to the entrances and exits of the horizontal relay duct 104a (see FIG. 10) of the lower relay duct 104, respectively.
  • the horizontal relay duct 104a of the lower relay duct 104 connects the connecting portion 306 (see FIGS. 1, 6 and 7) of the suction hose portion 300 to the inlet 503 (see FIG. 14) of the dust collecting unit 500 via packings 125 and 126. Are provided for connection.
  • the flow path from the connection portion 306 of the suction hose portion 300 to the inlet 503 of the dust collection unit 500 via the horizontal relay duct 104a of the lower relay duct 104, and the upper relay duct from the outflow duct 571 of the dust collection unit 500 A flow path reaching the electric blower 106 through the vertical relay duct 104b of the lower relay duct 104 and 105 is formed.
  • the inlet of the upper relay duct 105 connected to the outlet from the outlet duct 571 of the dust collecting unit 500 and the inlet of the horizontal relay duct 104a of the lower relay duct 104 from the connecting portion 306 of the suction hose part 300 are the same. It is formed on the surface side. This is because the dust collection unit 500 is likely to be stable because the inlet is pulled in the same direction by the suction force of the electric blower 106 when cleaning.
  • the electric blower 106 is in a state where the outer peripheral portion and the upper end thereof are supported by the ring-shaped elastic member 401 and the ring-shaped elastic seal member 402 and the lower portion thereof is lifted without contacting the bottom portion of the first member 102a. Therefore, vibration during driving is not easily transmitted to the floor surface F via the first housing 101 and the pair of ring-shaped wheels 140.
  • the third casing 107 (see FIG. 10) that covers the front side of the lower relay duct 104 is inserted with the connecting portion 306 of the suction hose portion 300 on the front side thereof so that the lateral relay duct 104a and the packing 126 of the lower relay duct 104 are connected.
  • the circuit boards K1 and K2 of the vacuum cleaner main body 100A and the operation unit 305 of the suction hose unit 300 are connected by wiring via the terminal of the connection unit 306 of the suction hose unit 300 and the terminal unit 107b.
  • the fourth housing 108 is disposed above the third housing 107 and covers the upper portion of the third housing 107 and the upper relay duct 105.
  • the hand handle 115 is formed in a U shape by combining a lower part 115 a and an upper part 115 b, and both ends thereof engage with a pair of mounting recesses 107 c of the third housing 107.
  • the wheel 140 includes a ring-shaped wheel guide 111 fitted into the outer periphery of the ring-shaped window frame 101 f of the first housing 101, and the wheel guide 111.
  • a ring-shaped wheel body 110 that is slidably fitted to the outer periphery, a ring-shaped wheel cover 112 that is fitted to the inner periphery of the window frame 101f to prevent the wheel body 110 from falling off the wheel guide 111, and the window frame 101f
  • the ring-shaped decorative cover 113 fitted into the outer peripheral part of the upper half and the ring-shaped decorative cover 114 fitted into the outer peripheral part of the wheel cover 112 are formed in a ring shape having a central opening 141 in the center.
  • the lower portion of the wheel main body 110 protrudes downward from the ring-shaped decorative cover 114 and comes into contact with the floor surface F.
  • the proportion of the size of the wheel 140 is formed so as to occupy most of the overall size of a normal electric vacuum cleaner main body.
  • This is formed with a wheel 140 having a diameter substantially the same as the height of the vacuum cleaner main body 100A.
  • the wheel 140 is arrange
  • the present invention is not limited thereto.
  • a wheel cover configured not to have an opening at the center and to cover the central part of the side surface of the cleaner body 100A may be used.
  • at least a part of the wheel cover is formed of, for example, a resin having transparency, so that the dust collection state of the dust collection unit 500 can be visually observed as in the present embodiment. it can.
  • the rigidity of the longitudinal direction of the vacuum cleaner main body 100A can be reinforced, keeping the horizontal width of the vacuum cleaner main body 100A small.
  • the ring-shaped wheel covers 112 on both the left and right sides have a front curved plate portion 112 a that curves to the front side of the cleaner body 100 ⁇ / b> A.
  • a speaker S is provided on one inner surface side of the front curved plate portion 112a so as to face the inner surface, and the speaker small hole 112a 1 is located at a position shifted from the speaker S in the front curved plate portion 112a. Is formed.
  • the present embodiment exemplifies a case formed loudspeaker small hole 112a 1 forward curved plate portion 112a of the terminal portion 107b side.
  • the speaker S is held by a speaker holder SH, and this speaker holder SH is attached to a recess provided in the front portion of the first housing 101.
  • the speaker holder SH has a concave portion that forms a cavity between a part of the outer periphery of the speaker S and the inner surface of the front curved plate portion 112a of the ring-shaped wheel cover 112.
  • a small speaker hole 112a 1 is disposed. That is, the speaker small hole 112a 1 is disposed at a position slightly deviated from the speaker S. Thereby, for example, the trouble that the speaker S is destroyed by being inserted into the speaker small hole 112a 1 with a thin tip such as a needle can be prevented.
  • the speaker S reproduces audio data corresponding to the contents of the notification.
  • FIG. 14 is an external perspective view of the dust collection unit 500.
  • 15 is a cross-sectional view of the dust collection unit 500 taken along the line AA shown in FIG.
  • the dust collection unit 500 includes a cup cover unit 570, a filter unit 550, an inner cylinder unit 530, and a bottomed cylindrical dust cup 501.
  • the dust cup 501 is formed of a transparent or translucent resin so that the dust collection state can be visually observed from the outside. As shown in FIG. 14, an inflow port 503 into which an air flow from the suction hose unit 300 (see FIG. 1) flows is provided on the front peripheral surface of the dust cup 501.
  • the connection portion 306 of the suction hose portion 300 is bent from the center of the cleaner body 100 ⁇ / b> A so that air flows straight into the inner circumferential surface of the cylindrical dust cup 501 from the tangential direction. is doing.
  • the inner cylinder unit 530 includes an upper cup cover 537 that houses the filter unit 550, a lower dust partition 535, and an inner cylinder 533 that connects between them. An opening is formed at the bottom of the cup cover 537 to which the inner cylinder 533 is connected. A slit-like outlet 533b is formed around the inner cylinder 533, and a mesh-like filter (not shown) is disposed at the outlet 533b.
  • the dust partition 535 includes a flange portion 535 a having an outer diameter larger than that of the inner tube 533, a large-diameter tube portion 535 b surrounding the outer periphery of the flange portion, and a small-diameter tube portion 535 c whose lower end is in contact with the bottom center portion of the dust cup 501.
  • the air flow flows straight into the dust cup 501 in the circumferential tangent direction via the connection portion 306 and the lateral relay duct 104a, and forms a high-speed swirling air flow in the dust cup 501.
  • the dust contained in the airflow is centrifuged. Since the dust collecting unit 500 is installed so that the central axis of the swirling airflow to be formed faces the direction of gravity, the heavy dust among the centrifugally separated dust is accumulated below the flange portion 535a by the action of gravity. .
  • the central axis of the swirling airflow of the dust collection unit 500 being directed in the direction of gravity does not require the central axis of the swirling airflow to be directly below, and the dust collection unit 500 is directed to the cleaner body 100A in the vertical direction. It only has to be arranged.
  • the lighter one is filtered with a mesh filter arranged at the outlet 533b together with the air flow.
  • minute dust rises in the inner cylinder 533 through the outlet 533b and is filtered by the filter unit 550.
  • the filter unit 550 includes a pleated filter in which a peak portion and a valley portion are continuous. The filtered air flow is sucked into the electric blower 106 through the outflow duct 571.
  • the dust collection unit 500 collects dust by centrifugal separation, but is not limited to this. For example, a paper pack may be used to collect dust.
  • the vacuum cleaner main body 100 ⁇ / b> A configured as described above is supported by the wheel main body 110 and the free wheel 118 of the pair of wheels 140 in a free state in which the suction hose 301 is removed, as shown in FIG. 6.
  • the pair of wheels 140 are supported by the wheel body 110 and the front wheel 117. That is, the center of gravity position of the cleaner body 100A is set so as to be in such a state. In this way, the step-over performance can be improved while suppressing the front side lifting of the cleaner body 100A.
  • FIG. 17 is an explanatory diagram showing airflow paths in the cleaner body 100A shown in FIG. As shown in FIG. 17, the airflow from the suction hose 301 flows into the dust collection unit 500 through the connection portion 306 and above the electric blower 106.
  • the inflowing air flow turns into a swirl flow in the dust cup 501 of the dust collection unit 500.
  • the air flow rises in the inner cylinder 533, passes through the filter unit 550, passes through the electric blower 106, and enters the lower flow path 138 below the dust collection unit 500. enter.
  • the swivel axis is slightly tilted rearward with respect to the vertical direction. When viewed from the side as shown in FIG. 17, the flow path flowing into the dust cup 501 from the connection portion 306 is substantially orthogonal to the pivot axis.
  • Ions are not released to the outside by a large amount of airflow from the rear flow path 139, and high-concentration ions are discharged from the ion emission port 134 to the outside by a small amount of airflow limited to the region surrounded by the surrounding wall 101c3. Released.
  • noise that tends to get out of the electric blower 106 in the air flow is attenuated by the long lower flow path 138 below the dust collection unit 500, and the circuit boards K1, K2 in the lower flow path 138 and It is dispersed and absorbed by obstacles such as the storage battery B, the connector terminal unit C, and the ion generator P in the rear channel 139. Thereby, the noise of the electric blower 106 going out from the cleaner body 100A is effectively reduced.
  • the airflow passage is divided into an upper part and a lower part of the cleaner body 100A and is not provided on the side surface portion, the lateral width of the cleaner body 100A is minimized.
  • the circuit boards K1 and K2 and the storage battery B are entirely accommodated in the exhaust passage is illustrated, but the present invention is not limited to this.
  • the circuit boards K1, K2 and the storage battery B may be configured such that a part of them constitutes a wall part of the exhaust passage and the remaining part thereof is disposed outside the exhaust passage.
  • FIG. 18 is an explanatory diagram showing airflow paths in the cleaner body 100B of the second embodiment.
  • the vacuum cleaner main body 100B of the second embodiment is the same as the vacuum cleaner main body 100A of the first embodiment except that the storage battery B is disposed in the lower flow path 138 and the circuit boards K1, K2 are disposed in the rear flow path 139. It is the same. In this way, since the storage battery B is cooled on the upstream side of the circuit boards K1, K2, the cooling effect of the storage battery B can be enhanced, and the vacuum cleaner body 100B has a low center of gravity and is stable during traveling. Improves.
  • the vacuum cleaner 1 of the present invention includes a suction hose portion 300 and a vacuum cleaner main body 100A.
  • the vacuum cleaner body 100A includes: A housing, A dust collection unit 500 that collects dust sucked through the suction hose portion 300; An electric blower 106 that is disposed in front of the dust collection unit 500 and sucks air from the suction hose portion 300 through the dust collection unit 500; A storage battery B for supplying electric power to the electric blower 106; Circuit boards K1, K2 electrically connected to the electric blower 106; An exhaust passage provided in the housing and guiding the exhaust from the electric blower 106 backward, The storage battery B is disposed in the exhaust passage.
  • the vacuum cleaner 1 of the present invention may be configured as follows.
  • the exhaust flow path includes a lower flow path 138 and a rear flow path 139 disposed in a lower part and a rear part of the dust collection unit 500 in the housing, and the circuit boards K1 and K2 are the lower flow paths.
  • 138 and the storage battery B may be disposed in the rear channel 139. In this way, since the electric blower and the storage battery are arranged on the front side and the rear side of the cleaner body, the mass of the cleaner body is further dispersed. Therefore, the step-over performance can be improved while suppressing the lifting of the front side of the cleaner body.
  • the exhaust flow path includes a lower flow path 138 and a rear flow path 139 disposed in the lower and rear portions of the dust collection unit 500 in the housing, and the storage battery B is disposed in the lower flow path 138.
  • the circuit boards K1 and K2 may be disposed in the rear channel 139. In this way, since the storage battery is cooled on the upstream side of the circuit board, the cooling effect of the storage battery can be enhanced, and the vacuum cleaner body 100B has a low center of gravity, which improves the stability during traveling.
  • the present invention includes a suction hose part 300 and a vacuum cleaner main body 100A
  • the vacuum cleaner body 100A includes: A housing, A dust collection unit 500 that collects dust sucked through the suction hose portion 300; An electric blower 106 that is disposed in front of the dust collection unit 500 and sucks air from the suction hose portion 300 through the dust collection unit 500; A storage battery B for supplying electric power to the electric blower 106; Circuit boards K1, K2 electrically connected to the electric blower 106; With wheels, The wheel includes a ring-shaped wheel 140, a front wheel 117, and a rear wheel 118, The vacuum cleaner main body 100A is supported by the ring-shaped wheel 140 and the rear wheel 118 in a free state, and is supported by the ring-shaped wheel 140 and the front wheel 117 in a state pulled forward by the suction hose 300. A vacuum cleaner 1 is provided. Even if it does in this way, it can improve a step climbing performance, suppressing the lift of the front side of a
  • the ring-shaped wheel 140 is a pair of left and right wheels
  • the front wheel 117 is a roller that rotates about a horizontal axis
  • the rear wheel 118 is a free wheel that rotates about a vertical axis. It may be. If it does in this way, turning performance to the right and left of a cleaner body can be improved, improving the level difference performance of a cleaner body.
  • the vacuum cleaner body 100A may include a speaker S disposed so as to face the inner surface of the housing.
  • a speaker in the cleaner body for example, it is possible to notify the user that the amount of dust in the dust collection unit has exceeded the allowable amount.
  • a small speaker hole 112a 1 may be formed at a position shifted from the speaker S in the housing. In this way, for example, it is possible to prevent a problem that the speaker is broken by a needle inserted into the small speaker hole.
  • the cleaner main body 100A may have a cavity between the speaker S and the small hole 112a for the loudspeaker 1. If it does in this way, it will become easy to radiate
  • the vacuum cleaner 1 of the present invention includes a suction hose portion 300 and a vacuum cleaner body 100A
  • the vacuum cleaner body 100A includes: A housing, A dust collection unit 500 that collects dust sucked through the suction hose portion 300; An electric blower 106 for sucking air from the suction hose part 300 through the dust collection unit 500; A fan cover 102 that supports the electric blower 106 so as to circulate air in the vertical direction; The electric blower 106 is installed in the fan cover 102 via an elastic member 401 attached to the outer periphery of the electric blower 106.
  • the vacuum cleaner 1 of this invention may be comprised as follows, and may be combined suitably.
  • the cleaner main body 100A further includes relay ducts (a lower relay duct 104 and an upper relay duct 105) that connect the dust collection unit 500 and the electric blower 106 to distribute air, and the electric blower 106 May be connected to the relay duct via an elastic seal member 402. In this way, since the upper end of the electric blower is pressed by the relay duct via the elastic seal member, the vertical vibration of the electric blower can be reduced.
  • the vacuum cleaner main body 100A is disposed at the rear of the vacuum cleaner main body 100A that discharges the exhaust from the electric blower 106, and at the lower part of the dust collecting unit 500, and the electric blower A lower flow path 138 for guiding exhaust from the exhaust 106 to the exhaust outlet 133,
  • the fan cover 102 covers the front part of the outer peripheral part of the electric blower 106 and covers the rear part of the outer peripheral part of the electric blower 106 and the first member 102a constituting the lower half of the lower flow path 138 A second member 102b constituting the upper half of the lower flow path 138 may be included. If it does in this way, while being able to improve assembly property, suppressing the number of parts of a fan cover, cost reduction and weight reduction can be achieved.
  • the cleaner body 100A is further provided with an ion generator P arranged in the vicinity of the exhaust port 133, and a lower opening shaped surrounding wall 101c 3 provided above the ion generator P,
  • An ion emission port 134 may be formed in a region surrounded by the surrounding wall 101c 3 in the casing and at a position above the ion generator P. If it does in this way, a part of air flow will flow into the area
  • the vacuum cleaner main body 100A includes a storage battery B for supplying electric power to the electric blower 106, circuit boards K1 and K2 electrically connected to the electric blower 106, and the dust collection in the casing.
  • a rear channel 139 that communicates with the lower channel 138 at the rear of the unit 500 and guides the exhaust from the electric blower 106 to the exhaust port 133;
  • the storage battery B and the circuit boards K1, K2 may be disposed in an exhaust passage having the lower passage 138 and the rear passage 139. In this way, the storage battery and the circuit board can be cooled by the exhaust flow.
  • the main body of the vacuum cleaner includes a storage battery, it can be conveniently cleaned in a place where there is no commercial power source (outlet).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
PCT/JP2014/050028 2013-01-16 2014-01-06 電気掃除機 WO2014112400A1 (ja)

Priority Applications (1)

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JP2013005610A JP6057727B2 (ja) 2013-01-16 2013-01-16 電気掃除機
JP2013005606A JP6072544B2 (ja) 2013-01-16 2013-01-16 電気掃除機
JP2013-005606 2013-01-16
JP2013-005610 2013-01-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016184483A1 (en) * 2015-05-15 2016-11-24 Arcelik Anonim Sirketi A cordless vacuum cleaner

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209003807U (zh) * 2017-06-28 2019-06-21 苏州宝时得电动工具有限公司 手持吸尘器及吸尘器组合件
CN109124463A (zh) * 2017-06-28 2019-01-04 苏州宝时得电动工具有限公司 手持式吸尘器及其组合件、推杆式吸尘器

Citations (2)

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Publication number Priority date Publication date Assignee Title
JP2004016607A (ja) * 2002-06-19 2004-01-22 Hitachi Home & Life Solutions Inc 電気掃除機
JP2012065879A (ja) * 2010-09-24 2012-04-05 Sharp Corp 電気掃除機

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004016607A (ja) * 2002-06-19 2004-01-22 Hitachi Home & Life Solutions Inc 電気掃除機
JP2012065879A (ja) * 2010-09-24 2012-04-05 Sharp Corp 電気掃除機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016184483A1 (en) * 2015-05-15 2016-11-24 Arcelik Anonim Sirketi A cordless vacuum cleaner

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