WO2016031724A1 - Unité d'entrée d'aspirateur électrique et corps principal d'entrée d'aspiration - Google Patents

Unité d'entrée d'aspirateur électrique et corps principal d'entrée d'aspiration Download PDF

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Publication number
WO2016031724A1
WO2016031724A1 PCT/JP2015/073561 JP2015073561W WO2016031724A1 WO 2016031724 A1 WO2016031724 A1 WO 2016031724A1 JP 2015073561 W JP2015073561 W JP 2015073561W WO 2016031724 A1 WO2016031724 A1 WO 2016031724A1
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WIPO (PCT)
Prior art keywords
suction port
unit
motor
housing
vacuum cleaner
Prior art date
Application number
PCT/JP2015/073561
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English (en)
Japanese (ja)
Inventor
真浩 吉田
敦史 中川
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 JP2014170685A external-priority patent/JP6491836B2/ja
Priority claimed from JP2014170618A external-priority patent/JP6349201B2/ja
Application filed by シャープ株式会社 filed Critical シャープ株式会社
Publication of WO2016031724A1 publication Critical patent/WO2016031724A1/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
    • A47L9/02—Nozzles
    • 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
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators

Definitions

  • the present invention relates to a motor-driven suction port unit of a vacuum cleaner and a suction port body of a vacuum cleaner that can be shared by a plurality of suction port units having different functions.
  • Patent Document 1 proposes an inlet unit for cleaning a floor surface having a rotating brush that is rotationally driven by a motor in order to improve the cleaning power of the floor surface such as flooring and tatami mats.
  • a rotational force transmission mechanism having a pulley and a belt for transmitting the rotational force of the motor to the rotary brush is provided in the housing of the suction port unit in a state of being connected to the rotary brush.
  • Patent Document 2 proposes a suction port unit for bedding cleaning provided with a beater that vibrates on a bedding such as a futon or a blanket.
  • This suction port unit is configured to support the beater at three points of a pair of springs and a vibrator, and to vibrate the beater up and down via the vibrator by a rotating cam.
  • JP 2012-217798 A Japanese Patent No. 4512624
  • the user When cleaning the suction port unit for cleaning the floor surface of Patent Document 1, the user usually uses a cleaning tool such as a brush or a brush to remove the rotating brush exposed to the outside from the dust collection opening that opens at the bottom of the housing. Clean.
  • the rotary brush can be removed from the lower case part and cleaned by removing the upper case part from the lower case part of the housing and removing the belt of the rotational force transmission mechanism from the pulley integrated with one end of the rotary brush. Is possible.
  • electric parts such as a motor and a circuit board are fixed to the lower case portion, the inside of the lower case portion can be cleaned with a cleaning tool but cannot be washed with water.
  • the beater when cleaning the suction port unit for cleaning the bedding of Patent Document 2, the beater can be removed and cleaned, but since electrical components such as a motor and a circuit board are fixed in the suction port unit, The inside of the inlet unit cannot be washed with water. Therefore, similarly to the floor cleaning suction port unit, the bedding cleaning suction port unit has a problem that the suction port unit in an unsanitary state must be stored and used continuously. In the case of the suction port unit for bedding cleaning, since the bedding that touches the human skin is cleaned, it is particularly desired to solve this problem.
  • a dedicated suction port unit floor surface suction port unit or bedding cleaning suction
  • electrical components such as a motor and a circuit board must be provided in each dedicated suction port unit corresponding to the surface to be cleaned, which raises a problem that the manufacturing cost of the suction port unit increases.
  • the present inventor replaces the mounting unit having the cleaning member for cleaning the floor and the mounting unit having the cleaning member for cleaning the bedding into the suction port body containing the electric parts such as the motor and the circuit board.
  • the manufacturing cost of the inlet unit can be reduced.
  • the floor cleaning inlet unit of Patent Literature 1 and the bedding cleaning inlet unit of Patent Literature 2 use a cooling air passage that cools electric components such as a motor and a circuit board by using an air current when the vacuum cleaner is driven.
  • the electrical component can be cooled by providing a cooling air passage in the suction port body.
  • the present invention has been made in view of the above problems, and can be used to replace a mounting unit having different functions and to be washed with water, and to be manufactured at a low cost while being a motor-driven type.
  • the purpose is to provide units.
  • the present invention provides a suction port body of a vacuum cleaner that can be shared by a suction port unit for floor cleaning and a suction port unit for bedding cleaning, and that can efficiently cool the built-in electrical components. For the purpose.
  • the suction port body and a mounting unit having a dust collection opening that is detachably mounted on the suction port body and communicates with the suction port
  • the inlet body has at least a motor
  • the mounting unit includes a housing, a rotational cleaning member that is detachably mounted on the housing, and a driving force transmission mechanism that transmits a driving force from the motor to the rotational cleaning member.
  • An inlet unit is provided.
  • a suction port body capable of selectively mounting a plurality of cleaning mounting units each having a housing and a suction port, and a motor provided in the housing for driving the mounting unit.
  • the housing includes a motor storage chamber for storing the motor, an intake hole through which external air can be sucked into the motor storage chamber, and an exhaust hole through which air passing through the motor storage chamber can be exhausted to the suction port side.
  • a vacuum cleaner main body of the vacuum cleaner is provided.
  • the suction port body provided with electric parts such as a motor and a circuit board can be separated from the mounting unit mounted on the suction port body. Therefore, it is possible to remove the mounting unit having a rotational cleaning member that is easily contaminated from the suction port body and wash it with water, and to store the mounting unit in a sanitary state. Further, it is possible to replace the mounting unit having different functions with the suction port body, for example, to selectively mount the floor surface cleaning mounting unit and the bedding cleaning mounting unit to the suction port body.
  • the suction port body provided with the electrical parts can be shared by the mounting units having a plurality of different functions such as the floor cleaning mounting unit and the bedding cleaning mounting unit, a plurality of motor driven types can be used. It is possible to manufacture a suction port unit that can replace a mounting unit having different functions at low cost.
  • a suction port body of an electric vacuum cleaner that can be shared by the floor cleaning suction port unit and the bedding cleaning suction port unit and that can efficiently cool the built-in electrical components. can get. And the manufacturing cost of the suction inlet unit comprised by selectively mounting
  • FIG. 1 is a perspective view which shows Embodiment 1 of the vacuum cleaner provided with the suction inlet main body of this invention. It is a top view of the suction inlet unit in the vacuum cleaner of Embodiment 1. It is the perspective view which looked at the suction inlet unit of Embodiment 1 from the bottom face side.
  • (A) is a front view of the suction inlet unit of Embodiment 1
  • (B) is CC sectional view taken on the line of FIG. 4 (A).
  • 2 is a partial schematic cross-sectional view of a suction port unit according to Embodiment 1.
  • FIG. (A) is sectional drawing of the left-right direction center position of the suction inlet unit of Embodiment 1
  • (B) is sectional drawing of the left-right direction one end side.
  • (A) is a cross-sectional view taken along line AA in FIG. 2, and (B) is a cross-sectional view taken along line BB in FIG.
  • (A) is a plan view of the drive gear portion of FIG. 10, and (B) is a cross-sectional view taken along the line CC of FIG. 11 (A).
  • (A) is the state which the suction inlet main body and attachment unit in Embodiment 1 isolate
  • (B) is a figure which shows the state which attaches an attachment unit to a suction inlet main body. It is a fragmentary sectional view which shows the state which mounts
  • (A) is the state before locking the mounting unit with which the suction inlet unit in Embodiment 1 was mounted
  • (B) is sectional drawing which shows the state after locking.
  • Embodiment 2 of the suction inlet unit provided with the suction inlet main body of this invention Comprising: (A) is a top view, (B) is a side view, (C) is a bottom view. It is a top view of the state which removed the upper case of the suction inlet unit of Embodiment 2.
  • FIG. 6 is a partial cross-sectional view of the suction port unit of Embodiment 2 on the driving force transmission mechanism side. It is an exploded view of the suction inlet unit of Embodiment 2.
  • (A) is a state before mounting
  • (B) is sectional drawing which shows the state after mounting
  • FIG. 1 is a perspective view showing Embodiment 1 of a vacuum cleaner having a rotating body holding structure according to the present invention.
  • the electric vacuum cleaner 1 includes a vacuum cleaner body 2 having a dust collecting unit and an electric blower, and a suction port unit 5 connected to the cleaner body 2 via a hose 3 and an extension pipe 4.
  • the handle 4a of the extension pipe 4 is provided with an operation portion 4b.
  • the suction port unit 5 and other configurations are not particularly limited, so the suction port unit 5 will be mainly described.
  • the “front-rear direction” refers to the direction in which the suction port unit 5 is advanced and retracted
  • the “left-right direction” refers to the left-right direction toward the front of the suction port unit 5.
  • FIG. 2 is a plan view of the suction port unit in the electric vacuum cleaner according to the first embodiment
  • FIG. 3 is a perspective view of the suction port unit according to the first embodiment viewed from the bottom side
  • FIG. 4B is a front view of the suction port unit of FIG. 4
  • FIG. 4B is a cross-sectional view taken along the line CC of FIG.
  • FIG. 5 is a partial schematic plan cross-sectional view of the suction port unit of Embodiment 1
  • FIG. 6 (A) is a cross-sectional view of the suction port unit of Embodiment 1 at the center in the left-right direction.
  • FIG. 4 is a cross-sectional view on one end side in the left-right direction.
  • FIG. 7A is a cross-sectional view taken along line AA in FIG. 2, and FIG. 7B is a cross-sectional view taken along line BB in FIG. 8 is an exploded view of the suction port unit of the first embodiment
  • FIG. 9 is an exploded view of the suction port body in the suction port unit of the first embodiment
  • FIG. 10 is a drive in the suction port unit of the first embodiment. It is a perspective view which shows a gear part.
  • FIG. 11A is a plan view of the drive gear portion of FIG. 10, and FIG. 11B is a cross-sectional view taken along the line CC of FIG.
  • the suction port unit 5 has a T-shape as a whole, and is connected to the mounting unit 51 having a dust collection opening 51x and a bumper 51y facing the floor surface, and is detachably connected to the mounting unit 51 and to the extension pipe 4 It has the suction inlet main body 52 connected so that it is possible.
  • the mounting unit 51 is for floor cleaning, and includes a housing 51a having a lower case 51a 1 , an upper case 51a 2 and a lock member 51a 3 as an end cover, and the housing 51a. And a provided rotating brush unit 51b.
  • the lower case 51a 1 includes a bottom wall 51a 11 formed with a window 51a 111 that exposes a later-described suckable state detector 52a 3 provided in the dust collection opening 51x and the suction port body 52 to the floor surface side. has a peripheral wall 51a 12 that are continuously provided along the outer periphery of the bottom wall 51a 11, and a roller 51a 13 provided on the rear end side of the bottom wall 51a 11.
  • a partition wall 51a 13 that partitions these regions is provided between the front part having the dust collection opening 51x in the lower case 51a 1 and the rear part having the window part 51a 111 . Accordingly, the mounting recess 51z which the first housing portion 52a of the suction port main body 52 to be described later in the rear portion of the lower case 51a 1 is mounted is formed. Incidentally, the notch 51a 131 in the lateral direction of the intermediate partition wall 51a 13 are formed.
  • the bearing holding portion 51A formed in the rib or stepped portion so as to hold the rotary brush unit 51b is provided .
  • the peripheral wall 51a 12 and the partition wall 51a 13 are provided with locking projections 51a 131 that lock into locking grooves 52a 5 provided in the suction port body 52 described later.
  • the lock member 51 a 3 locks the mounting unit 52 mounted on the suction port body 52. Furthermore, the lock member 51a 3 is provided on the suction port body 51 and comes into contact with a lock detection unit 52ax, which will be described later, which detects a state in which the mounting unit 52 is fixed to the suction port body 51. This will be described in detail later.
  • the rotating brush unit 51b includes a rotating brush part 51b 1 and a rotational force transmission mechanism part 51b 2 .
  • Rotary brush portion 51b 1 is provided with a shaft portion 51b 11 in which a plurality of brush unit (not shown) is provided on its outer surface and a bearing portion 51B rotatably provided on one end of the shaft portion 51b 11, the shaft portion 51b 11 the other end is connected to the rotational force transmitting mechanism portion 51b 2.
  • the rotational force transmission mechanism 51b 2 includes a large and small gear pulley fixed to a pair of parallel metal shafts 51b 22 and 51b 23 provided rotatably in the case 51b 21 .
  • 51b 25 and 51b 26 a belt 51b 27 wound around these pulleys 51b 25 and 51b 26 , and a drive gear portion of a suction port body 52, which will be described later, fixed to a small pulley 51b 26 and a metal shaft 51b 23 on the side.
  • 52a 2 see FIG. 10 and FIG. 11
  • the case 51b 21 is formed with a drain hole 51b 221 .
  • the suction port main body 52 has a T shape as a whole, a first housing portion 52a that can be attached to and detached from the mounting unit 51, and a left and right longitudinal direction of the first housing portion 52a.
  • a connecting portion 52b connected to the rear end side of the intermediate portion so as to be rotatable about the front-rear axis and a second housing portion 52c connected to the connecting portion 52b so as to be swingable.
  • the first housing part 52a is formed by assembling the upper case 52Ac 1 and lower case 52Ac 2, inlet 52a 1 which is open at the front end side of the intermediate portions of the left and right longitudinal direction is formed. Then, the packing 52a 11 is provided on the periphery of the suction port 52a 1, friction-reducing film is laminated on the surface of the packing 52a 11.
  • a friction reducing film for example, a resin film such as PET (polyethylene terephthalate), a coating film of friction reducing resin such as a fluororesin, or the like is used.
  • the inside of the second housing portion 52c has a suction port 52a 1 and communicating with the ventilation passage.
  • the suction port 52a 1 is substantially perpendicular to the cleaning surface. Accordingly, downsizing of the first housing portion 52a from the projected area of the air passage connected to the opening of the mounting unit side that is connected to a suction port 52a 1 of the first housing part 52a is reduced can be achieved.
  • the packing 52 a 11 of the suction port body 52 is in sliding contact with the partition wall 51 a 13 of the mounting unit 51.
  • the partition wall 51a 13 and the packing 52a rubbed corners or the like of the notch 51a 131 11 peeling or scratched, at the time of cleaning, the air near the gap between the suction inlet main body 52 and the mounting unit 51
  • There is a possibility of flowing into the suction port 52a 1 from the damaged portion of the packing 52a 11 and the suction force for sucking air from the dust collection opening 51x is reduced. Therefore, in order to suppress the inflow of air from unwanted locations by suppressing damage to the packing 52a 11, friction reducing film is laminated on the surface of the packing 52a 11.
  • the drive gear portion 52a 2 has a plurality of teeth 52a 21 protruding in the axial direction like a crown gear.
  • the teeth 52a 21 are formed in a chevron shape, one circumferential surface of the chevron is a rotational force transmitting surface 52a 211 substantially parallel to the axis, and the other circumferential surface in the chevron is in relation to the axis.
  • An inclined sliding contact surface 2a 212 is formed.
  • a cylindrical portion 52a 22 is provided at the axial center position of the drive gear portion 52a 2 .
  • the gear portion 51b 28 (see FIG. 8) of the aforementioned rotational force transmission mechanism portion 51b 2 has a plurality of crown gear type teeth that mesh with the respective teeth 52a 21 of the drive gear portion 52a 2 , and the drive gear portion.
  • a concave portion into which the cylindrical portion 52a 22 of 52a 2 is fitted has an axial center position.
  • each tooth of the gear portion 51b 28 of the rotational force transmission mechanism 51b 2 is connected to the rotational force transmission surface 52a 211 of each tooth 52a 21 of the drive gear portion 52a 2 and the drive gear portion 52a.
  • Each of the two teeth 52a 21 has a sliding contact surface in sliding contact with the sliding contact surface 52a 212 . That is, the gear part 51b 28 of the rotational force transmission mechanism part 51b 2 is obtained by removing the cylindrical part 52a 22 from the drive gear part 52a 2 .
  • the left side portion of the first casing 52a has a wheel 52a 32 provided so as to be swingable in the vertical direction through a through hole formed in the bottom wall of the first casing 52a.
  • a part 52a 3 is provided.
  • a lock detection that detects a state in which the mounting unit 51 is fixed to the suction port body 52 by the lock member 51a 3 above the suction enabled state detection unit 52a 3 on the left side portion of the first housing 52a.
  • a portion 52ax (see FIGS. 9 and 14) is provided. Details of the lock detector 52ax will be described later.
  • a circuit board 52ap (see FIGS. 5 and 16) for controlling the motor M or the lock detection unit 52ax is provided below the lock detection unit 52ax.
  • the first casing 52a that is long in one direction has a motor housing chamber 52m that houses the motor M at one end thereof, and an intake air that can suck external air into the motor housing chamber 52m. It has a hole 52m 1 and an exhaust hole 52m 2 through which air that has passed through the motor storage chamber 52m can be exhausted to the suction port 52a 1 side.
  • the motor housing chamber 52m is provided in the right side portion of the first housing portion 52a, and the motor M houses the motor so that the tip of the output shaft Ms penetrates the right wall 52rw of the first housing portion 52a. It is stored in the chamber 52m.
  • the motor storage chamber 52m is provided with a plurality of ribs for positioning the motor M at a predetermined position.
  • the intake hole 52m 1 is formed closer to the right side wall 52rw in the rear wall 52bw constituting the motor storage chamber 52m.
  • the exhaust hole 52m 2 is formed in the wall 52xw between the motor storage chamber 52m and the suction port 52a1. Therefore, the distal end of the output shaft Ms of the motor M is disposed on the intake hole 52m 1 side, and the proximal end of the output shaft Ms of the motor M is disposed on the exhaust hole 52m 2 side.
  • the air inlet 52a in one electric vacuum cleaner 1 is driven is pulled in the direction of arrow A, the air inside the motor housing chamber 52m from the exhaust hole 52m 2 It is drawn into the suction port 52a 1 out. Then, the motor housing chamber 52m is a negative pressure, and flows into the motor housing chamber 52m external air through the intake hole 52m 1. As air flows into the motor housing chamber 52m, air passes through the motor M in and out of the motor M in the direction of arrow B, so that the motor M is cooled by this airflow.
  • an intake hole 52m 1 and an exhaust hole 52m 2 are also provided on the left side portion of the first housing 52a in which the inhalable state detector 52a 3 and the lock detector 52ax are accommodated.
  • the circuit board 52ap is cooled by the air flow.
  • the connecting portion 52b is formed by assembling the upper case 52bc 1 and the lower case 52bc 2 and is provided on the rear end side of the intermediate portion in the left-right longitudinal direction of the first housing portion 52a.
  • the front connection part 52b 1 fitted in the inside of the cylindrical part 52a 4 so as to be airtight and turnable, and the rear connection part 52b 2 connected to the front connection part 52b 1 having a concave curved inner surface.
  • a notch 52b 21 is formed in the upper portion of the rear connection portion 52b 2 .
  • the third housing portion 52c is formed by assembling the upper case 52Cc 1 and the lower case 52Cc 2, a front connecting portion 52c 1 to be fitted to allow airtight and swung into the connecting portion 52 b 2 after the connection portion 52 b, and a connecting portion 52c 2 after being detachably connected with the extension pipe 4.
  • the rear connection portion 52c 2 is provided with a plurality of connection terminals 52c 21 that can be electrically connected to the connection terminals of the extension pipe 4.
  • the connection terminal 52c 21 functions as a signal sending unit that sends the detection signal of the suckable state detection unit 52a 3 to the control unit, and also sends a lock detection signal of a lock detection unit 52ax to be described later to the control unit. Functions as a sending unit.
  • FIG. 12A is a diagram illustrating a state where the suction port main body and the mounting unit are separated from each other in the first embodiment
  • FIG. 12B is a diagram illustrating a state where the mounting unit is mounted on the suction port main body.
  • FIG. 13 is a partial cross-sectional view showing a state in which the mounting unit according to Embodiment 1 is mounted on the suction port body.
  • FIG. 14A is a cross-sectional view showing a state before the mounting unit mounted on the suction port unit in Embodiment 1 is locked with a lock member
  • FIG. 14B is a cross-sectional view showing the state after locking.
  • the suction port body 52 When the mounting unit 51 is mounted on the suction port body 52, as shown in FIG. 12A, the suction port body 52 is moved above the mounting recess 51z of the mounting unit 51, and as shown in FIG. to, inserting the first housing portion 52a 1 of the suction inlet main body 52 to the mounting recess 51z of the mounting unit 51. Then, as shown in FIG. 13, by sliding the suction port body 52 to the right, the drive gear portion 52a 2 of the suction port body 52 meshes with the gear portion 51b 26 of the rotating brush unit 51b. At this time, the wheels 52a 32 of the suckable state detection unit 52a 3 protrude downward from the window 51a 111 of the mounting unit 51.
  • each locking groove 52a 5 is formed in an overturned L shape, and each locking projection is fitted in each locking groove 52a 5.
  • 51a 131 can slide in the horizontal (left and right) direction after sliding in the vertical (up and down) direction.
  • a locking sound “click” is generated.
  • the locking sound is generated when the mounting portion 51 is mounted by the convex portion 52 a 12 provided so as to protrude and retract outward from the bottom of the first housing portion 52 a 1 of the suction port body 52. It is emitted by engaging with an engaging recess 51z 1 provided in the recess 51z. From this locking sound, the user can recognize that the mounting unit 51 has been securely mounted to the suction port body 52.
  • the convex portion 52a 12 is formed in a bullet shape having a roundness at the lower end, and is elastically biased downward by a not-shown bullet member.
  • the engagement recess 51z 1 can be a recess formed on the top of the projection 51z 2 that is rounded on the bottom surface of the mounting recess 51z.
  • the lock member is placed in the space on the left side of the first housing portion 52a 1 of the suction port body 52 in the mounting recess 51z of the mounting unit 51. 51a 3 is inserted. Thereby, the mounting unit 51 mounted on the suction port body 52 is fixed.
  • the lock member 51a 3 with respect to the lock detection part 52ax provided in the left side portion of the first housing part 52a 1 of the suction inlet main body 52.
  • the lock detection part 52ax outputs a lock detection signal.
  • the switch part of the lock detection part 52ax is turned off, and the output of the lock detection signal from the lock detection part 52ax is stopped.
  • the lock detection signal is input to, for example, a control unit provided in the cleaner body 2, and the control unit controls driving of the motor M based on the lock detection signal. That is, when the mounting unit 51 is properly mounted and fixed to the suction port body 52, a lock detection signal is input to the control unit.
  • the suction port unit 5 is placed on the floor as described above.
  • wheels 52a 32 of the suction state detecting portion 52a 3 is suction state detection signal is output up, the suction state detection signal is input to the control unit by.
  • the motor M is driven and the rotating brush portion 51b 1 is rotated while the mounting unit 51 is improperly mounted on the suction port body 52, whereby the motor M,
  • consideration is given to the safety that the rotary brush 51b 1 rotates after the suction port unit 5 is placed on the floor surface. can do.
  • each tooth 52a 21 of the drive gear portion 52a 2 is connected to each of the gear portions 51b 28 of the rotational force transmission mechanism portion 51b 2. Fit between teeth.
  • each tooth 52a 21 of the driving gear portion 52a 2 is that at the sliding surface 2a 212 meshes while sliding on the sliding surface of each tooth of the gear portion 51b 28, the driving gear portion 52a 2 Even if each tooth of the teeth 52a 21 and each tooth of the gear portion 51b 28 collides, the gears can be meshed while rotating and adjusting their positions.
  • each tooth 52a 21 of the driving gear portion 52a 2 and the sliding contact surface of each tooth of the gear portion 51b 28 are surfaces perpendicular to the gear rotation direction, the driving gear portion 52a 2. Can be efficiently transmitted to the gear portion 51b 28 .
  • the suction port body 52 and the mounting unit 51 may be separated from the mounting procedure. Further, since the electrical components such as the motor M, the suction state detection unit 52a 3 and the lock detection unit 52ax are housed in the suction port body 52 and no electrical components are housed in the mounting unit 51, as shown in FIG.
  • the mounting unit 51 can be disassembled and each part can be washed with water.
  • FIG. 15 is a second embodiment of a suction port unit provided with a suction port body of the present invention, where (A) is a plan view, (B) is a side view, and (C) is a bottom view.
  • 16 is a plan view of a state in which the upper case of the suction port unit of the second embodiment is removed
  • FIG. 17 is a partial cross-sectional view of the suction port unit of the second embodiment on the driving force transmission mechanism side.
  • 18 is an exploded view of the suction port unit of the second embodiment.
  • the suction port unit 1005 is a suction port unit for cleaning bedding that knocks out and sucks dust attached to bedding such as a futon or blanket, fibrous dust such as hair and lint, cotton dust, etc. by a hitting plate. .
  • a mounting unit 1051 for bedding cleaning includes a housing 1051a having a lower case 1051a 1 , an upper case 1051a 2 and a lock member 1051a 3 , a hitting plate 1051b provided in the housing 1051a, and a hitting plate 1051b. And a driving force transmission mechanism 1051c for rocking.
  • the lower case 1051a 1 has a bottom wall 1051a 11 and a peripheral wall 1051a 12 connected along the outer periphery of the bottom wall 1051a 11 .
  • a partition wall 1051a 13 for partitioning these regions is provided between the front portion having the dust collection opening 1051x in the lower case 1051a 1 and the rear portion behind the dust collection opening 1051x.
  • the rear portion of the lower case 1051a 1 mounting recess 1051z the first housing portion 52a of the suction port body 52 is mounted is formed.
  • the bottom wall 1051a 11 of the mounting recess 1051z is not formed with an opening corresponding to the window 51a 111 included in the mounting unit 51 of the first embodiment.
  • the bottom wall 1051a 11 and the peripheral wall 1051a 12 are formed with a plurality of ribs and step portions for holding the hitting plate 1051b and the driving force transmission mechanism 1051c, and the ribs and step portions on the left and right sides of the dust collection opening 1051x are
  • the bearing holding portion 1051A for supporting the hitting plate 1051b of the second embodiment plays a role.
  • the dust collecting opening 1051x the lower surface of the bottom wall 1051a 11, it is provided with a plurality of ribs 1051a 111 extending in the longitudinal direction. These ribs 1051a 111 form a gap between the bedding and the lower surface when the lower surface of the suction port unit 1005 is pressed against the bedding, and suppress the dust collection opening 1051x from adhering to the bedding.
  • Driving force transmission mechanism 1051C includes a drive gear portion 52a 2 and capable of meshing gear portion 1051C 1 of the suction port main body 52, a cam contact piece 1051b 5 and capable of abutting cam portion 1051C 2 of beating plate 1051b, the case portion With.
  • a drain hole 1051c 221 is formed in the case portion.
  • the case portion includes three metal shafts 1051c 5 , 1051c 6 , 1051c 7 fixed in parallel to each other, first to fourth pulleys 1051c 8 , 1051c 9 , 1051c 10 , 1051c 11 and a pair of belts. 1051c 12, 1051c 13 is housed.
  • the boss portion of the gear portion 1051c 1 is attached to the metal shaft 1051c 5 so as to be integrally rotatable.
  • a small first pulley 1051c 8 is fixed to the metal shaft 1051c 5 .
  • Cam portion 1051C 2 has a cylindrical shaft portion, the integrally attached to rotatable at one end the metal shaft 1051C 7 of the shaft portion, a fourth pulley 1051C 11 large metal shaft 1051C 7 is fixed. Also, the other end of the shaft portion of the cam portion 1051C 2 is secured a metal shaft, it is mounted a similar bearing portion 51B in the first embodiment through the bearing to the metal shaft.
  • the second pulley 1051C 9 and a small third pulley 1051C 10 is fixed large in the middle of the metal shaft 1051c 6.
  • the first and second pulleys 1051c 8 and 1051c 9 are stretched by a belt 1951c 12
  • the third and fourth pulleys 1051c 10 and 1051c 11 are stretched by another belt 1951c 13 .
  • the driving force transmission mechanism 1051c configured as described above, when the rotational force from the motor M of the suction port body 52 is transmitted to the gear portion 1051c 1 and rotated, the rotational force is converted to the first pulley 1051c 8 and the belt 1051c. 12 , the second pulley 1051c 9 , the third pulley 1051c 10 , the belt 1051c 13 and the fourth pulley 1051c 11 are transmitted to the cam portion 1051c 2 , thereby rotating the cam portion 1051c 2 . At this time, the rotational speed of the first pulley 1051C 8, for example, is transmitted is reduced to about 6-12% by the cam portion 1051c 2.
  • FIG. 19A is a state before the mounting unit according to the second embodiment is mounted on the suction port body
  • FIG. 19B is a cross-sectional view illustrating the state after mounting
  • FIG. It is a fragmentary sectional view which shows the state with which a suction inlet main body is mounted
  • the mounting unit 1051 When the mounting unit 1051 is mounted on the suction port body 52, it is the same as in the first embodiment. That is, by moving the suction inlet main body 52 above the mounting recess 1051z of the mounting unit 1051, inserting the first housing portion 52a 1 of the suction inlet main body 52 to the mounting recess 1051z of the mounting unit 1051. Then, by sliding the suction port body 52 to the right, the drive gear portion 52a 2 of the suction port body 52 meshes with the gear portion 1051c 1 of the drive force transmission mechanism 1051c.
  • the wheel 52a 32 of the inhalable state detection unit 52a 3 gets on the bottom wall 1051a 11 of the mounting recess 1051z of the mounting unit 1051. . Therefore, since the wheels 52a 32 is in a state raised, suction state detection signal toward the suction state detection unit 52a 3 to the control unit is outputted.
  • the plurality of locking projections 1051 a 131 of the lower case 1051 a 1 are locked to the plurality of locking grooves 52 a 5 of the suction port body 52. Further, when the suction port body 52 is slid laterally to the limit with respect to the mounting unit 51, a locking sound “click” is generated. That is, even in the mounting unit 1051 for bedding cleaning, as in Embodiment 1, is provided engaging recess 1051Z 1.
  • the suction port body 52 After the suction port body 52 is slid laterally with respect to the mounting unit 1051 and mounted, the first housing portion 52a 1 of the suction port body 52 in the mounting recess 1051z of the mounting unit 1051 is mounted as in the first embodiment.
  • the lock member 1051a 3 is fitted into the left space. Thereby, the mounting unit 1051 mounted on the suction port body 52 is fixed (see FIGS. 12A and 12B).
  • the lock detection unit 52ax is a lock detection signal Output. Further, by removing the lock member 1051a 3 , the switch unit of the lock detection unit 52ax is turned off, and the output of the lock detection signal from the lock detection unit 52ax is stopped.
  • the lock detection signal is input to, for example, a control unit provided in the cleaner body 2, and the control unit controls driving of the motor M based on the lock detection signal. That is, when the mounting unit 1051 is properly mounted and fixed to the suction port body 52, a lock detection signal is input to the control unit.
  • the mounting unit 1051 is appropriately mounted and fixed on the suction port body 52. Then, the suckable state detection signal and the lock detection signal are input to the control unit.
  • the motor M is driven while the mounting unit 1051 is improperly mounted on the suction port main body 52 and the hitting plate 1051b 1 is swung, whereby the motor M,
  • the trouble that parts such as the drive gear portion 52a 2 and the gear portion 1051c 1 are damaged can be prevented, and the suctionable state detecting portion 52a 3 can detect the mounting unit 1051 and surely swing the hitting plate 1051b 1. it can.
  • the suction port body 52 and the mounting unit 1051 may be separated from the mounting procedure. Further, since the electrical components such as the motor M, the suction state detection unit 52a 3 and the lock detection unit 52ax are accommodated in the suction port main body 52 and no electrical components are accommodated in the mounting unit 1051, as shown in FIG.
  • the mounting unit 1051 can be disassembled and each component can be washed with water.
  • FIG. 21 is an explanatory view showing a state in which the suction port book and the mounting unit in Embodiment 3 are separated
  • FIG. 22 is an explanatory view showing a state in which the mounting unit is attached to the suction port book in Embodiment 3.
  • the suction port unit 2005 of the third embodiment includes a suction port main body 2052 having a suction port 2052a 1 and a floor cleaning mounting unit 2051 mounted on the suction port main body 2052, but the suction port of the first embodiment.
  • Unit 5 is different in structure.
  • the mounting unit 2051 includes a housing 2051a and a rotating brush unit 2051b provided in the housing 2051a so as to cover the dust collection opening 2051x.
  • the casing 2051a has a dust collection opening 2051x at the bottom and a notch 2051y at the top so that the mounting unit 2051 can be fitted. Further, the protrusion 2051Az is provided rearward from the dust collecting opening 2051x of the housing 2051a, engagement recess 2051Az 1 which opens rearward projections 2051Az is formed.
  • Rotating brush unit 2051b are substantially cover member 2051b 1 semi-cylindrical, and the rotating brush portion 2051b 2 rotatably attached to the left and right side walls of the ends of the cover member 2051b 1, a longitudinally intermediate position of the rotary brush portion 2051b 2 And a rotating brush gear 2051b 3 provided so as to be integrally rotatable at a position slightly shifted to one end side.
  • the rotating brush portion 2051b 2 is configured in the same manner as the brush structure of the rotating brush portion 51b 1 (see FIG. 8) of the first embodiment.
  • the cover member 2051b 1 has a slit 2051b 11 formed at the position of the rotary brush gear 2051b 3 and a notch 2051b 12 formed so as to face the suction port 2052a 1 of the suction port body 2052 to which the mounting unit 2051 is mounted. Yes. Thus, the rotation brush gear 2051b 3 is exposed to the outside upwardly through notch 2051y slit 2051b 11 and the housing 2051a of the cover member 2051b 1.
  • Suction port body 2052 is provided with a rod-shaped housing 2052a having a suction port 2052a 1, a motor M, and a driving force transmission mechanism 2052b for transmitting the driving force of the motor M to the rotary brush gear 2051b 3.
  • the housing 2052a includes a rear housing 2052a 11 having a suction port 2052a 1 on the front surface, and a front housing 2052a that is provided in a bowl shape on the front surface of the rear housing 2052a 11 and houses the motor M and the driving force transmission mechanism 2052b. And twelve . Note that the lower suction port 2052a 1 in front of the rear housing 2052a 11, lockable locking portion 2052a 111 is provided in the locking recess 2051Az 1 of the mounting unit 2051.
  • the front housing 2052a 12 has a motor storage chamber 2052m 1 and a driving force transmission mechanism storage chamber 2052m 2 , which are communicated with each other through a window portion 2052m 3 .
  • the window 2052m 3 is closed by the motor M stored in the motor storage chamber 2052m 1 .
  • the output shaft Ms of the motor M projects into the driving force transmission mechanism storage chamber 2052m 2
  • the small gear 2052b 1 is fixed to the tip of the output shaft Ms.
  • the side wall of the driving force transmission mechanism housing chamber 2052M 2 the large gear 2052B 2 is pivotally secured rotatably to the small gear 2052B 1 meshes.
  • the large gear 2052B 2 is exposed to the outside downwardly through the slit formed in the bottom wall of the driving force transmission mechanism housing chamber 2052m 2.
  • an intake hole 2052m 21 is formed in the side wall of the driving force transmission mechanism storage chamber 2052m 2
  • an exhaust hole 2052m 11 is formed in the partition wall between the rear casing 2052a 11 and the front casing 2052a 12. Yes.
  • the interior of the motor housing chamber 2052M 1 and the rear housing 2052a 11 communicates via the exhaust hole 2052m 11.
  • a large gear 2052B 2 of the suction inlet main body 2052 and the rotation brush gear 2051b 3 of the mounting unit 2051 is engaged.
  • the driving force of the motor M is transmitted to the rotating brush portion 2051b 2 via the small gear 2052b 1 , the large gear 2052b 2 and the rotating brush gear 2051b 3 , thereby rotating the rotating brush portion 2051b 2 .
  • the small gear 2052b 1 as the drive gear is configured to mesh with the rotating brush gear 2051b 3 via the large gear 2052b 2 .
  • the suction port unit 2005 of Embodiment 3 by the cleaner main body is sucked by driving and rotating the brush portion 2051b 2 air containing dust from the dust collecting opening 2051x while rotating is sucked.
  • the air motor housing chamber 2052M 1 is drawn into the exhaust hole 2052M 11 rear housing 2052a in 11 by the air flowing into the suction port 2052a 1 of the suction port main body 2052.
  • the motor storage chamber 2052m 1 has a negative pressure
  • external air flows into the driving force transmission mechanism storage chamber 2052m 2 through the intake hole 2052m 21 , passes through the motor M, and enters the motor storage chamber 2052m 1 . An airflow that flows in is generated. Thereby, the motor M is cooled.
  • the mounting unit 2051 can be disassembled and each component can be washed with water.
  • a floor surface suction port unit and a bedding cleaning suction unit using the common suction port body 2052 can be obtained at low cost.
  • the bedding cleaning mounting unit in this case can be manufactured by applying the driving principle of the hitting plate 1051b and the driving force transmission mechanism 1051c of the second embodiment (see FIG. 18).
  • FIG. 23 is a perspective view showing a state where the suction port book and the mounting unit in Embodiment 4 are separated.
  • the suction port unit 3005 of the fourth embodiment includes a suction port main body 3052 having a suction port, and a floor cleaning mounting unit 3051 mounted on the suction port main body 3052, and the suction port unit 2005 of the third embodiment.
  • the structure is similar.
  • the mounting unit 3051 includes a housing 3051a having a dust collection opening, and a rotating brush unit 3051b provided at the position of the dust collection opening.
  • the rotating brush unit 3051b has a rotating brush portion 3051b 1 and a driving force transmission mechanism 3051b 2 provided at a position slightly shifted to one end side from the longitudinal intermediate position of the rotating brush portion 3051b 1. Both ends of 3051b 2 are attached to the housing 3051a.
  • the driving force transmission mechanism 3051b 2 has a belt wound around a pair of gear-type pulleys housed in the case portion.
  • the pulley on the side opposite to the rotating brush portion 3051b 1 is connected to the gear portion 3051b 21 so as to be integrally rotatable.
  • Suction port body 3052 is provided with a bottom and a housing 3052a having a suction port, and a drive gear 3052a 1 which is connected to the distal end of the output shaft of the motor M and the motor M provided in the housing 3052a.
  • the drive gear 3052a 1 meshes with the gear portion 3051b 21 by mounting the mounting unit 3051 on the suction port body 3052.
  • the housing 3052a is basically configured similarly to the third embodiment. That is, when air flows into the inside from the suction port of the suction port main body 3052, as described with reference to FIGS. 21 and 22 of the third embodiment, air flows in the motor housing chamber so that the motor M is cooled.
  • the housing 3052a is configured.
  • a motor pressing mechanism that, after mounting the mounting unit 3051 on the suction port body 3052, presses the drive gear 3052 a 1 of the suction port body 3052 against the gear portion 3051 b 21 of the mounting unit 3051 and securely meshes them. It is provided in the housing 3052a.
  • This motor pressing mechanism includes, for example, an elastic member that elastically biases the output end of the output shaft of the motor M toward the base end, and an attachment of the elastic member by pushing the lever 3052b forward (in the direction of arrow Q).
  • a pressing member (not shown) that presses the output shaft proximal end side of the motor M toward the distal end side against the force is provided.
  • the drive gear 3052a 1 and the gear portion 3051b 21 are engaged with each other, and the casing of the suction inlet main body 3052 an engaging portion provided on the outer peripheral surface of 3052a and housing engaging portion provided in the mounting recess 3051a 1 of 3051a of the mounting unit 3051 is engaged with each other.
  • the mounting unit 3051 can be disassembled and each component can be washed with water.
  • a bedding cleaning mounting unit that can be mounted on the suction inlet body 3052 of the fourth embodiment, a floor cleaning inlet unit and a bedding cleaning inlet unit using the common suction inlet body 3052 Can be obtained at low cost.
  • the bedding cleaning mounting unit in this case can be manufactured by applying the driving principle of the hitting plate 1051b and the driving force transmission mechanism 1051c of the second embodiment (see FIG. 18).
  • the suction port unit of the vacuum cleaner of the present invention comprises a suction port body and a mounting unit having a dust collection opening that is detachably mounted on the suction port body and communicates with the suction port.
  • the inlet body has at least a motor
  • the mounting unit includes a housing, a rotational cleaning member that is detachably mounted on the housing, and a driving force transmission mechanism that transmits a driving force from the motor to the rotational cleaning member.
  • the suction port unit of the vacuum cleaner of the present invention may be configured as follows, or may be appropriately combined.
  • the suction port body includes a first housing portion having the suction port, and a second housing portion connected to the vacuum cleaner body of the electric vacuum cleaner connected to the first housing portion.
  • the motor is provided in the first casing, and a drive gear is attached to the output shaft of the motor.
  • the driving force transmission mechanism may include a gear portion that meshes with the driving gear in a detachable manner.
  • a suction inlet main body can be formed in T shape, and a motor and a drive gear can be arranged in the left-right direction one end side of the 1st case long in the left-right direction.
  • the drive transmission mechanism can be disposed on one end in the left-right direction of the rotational cleaning member, and the entire rotational cleaning member can function for cleaning.
  • the motor on the suction port body side and the drive force transmission mechanism on the mounting unit side can be easily connected and disconnected by the drive gear and gear part, the mounting unit can be easily mounted and separated from the suction port body. .
  • the mounting unit may include a mounting recess into which the suction port body is slidably fitted. If it does in this way, it will become a structure advantageous for connection and disconnection of the power transmission system of the motor on the suction inlet main body side and the driving force transmission mechanism on the mounting unit side.
  • the driving force transmission mechanism includes a pulley and a belt that transmit the driving force of the motor to the rotational cleaning member, and a case that houses the pulley and the belt, The case may have a drain hole.
  • the driving force transmission mechanism can be configured as a unit that can be washed with water, and even when water enters the case, the water can be drained. It will not be damaged.
  • the mounting unit may include a floor cleaning mounting unit having a rotatable rotating brush or a swingable striking plate as the rotational cleaning member.
  • a floor cleaning mounting unit having a rotatable rotating brush or a swingable striking plate as the rotational cleaning member.
  • the suction port body of the vacuum cleaner of the present invention includes a suction port body capable of selectively mounting a plurality of cleaning mounting units each including a housing and a suction port, and the mounting unit provided in the housing.
  • a motor for driving The housing includes a motor storage chamber for storing the motor, an intake hole through which external air can be sucked into the motor storage chamber, and an exhaust hole through which air passing through the motor storage chamber can be exhausted to the suction port side. And have.
  • the suction inlet main body of the vacuum cleaner of this invention may be comprised as follows, and may be combined suitably.
  • casing is formed in the direction orthogonal to the longitudinal direction of this 1st housing
  • the motor storage chamber may be provided on one end side in the longitudinal direction of the suction port, the intake hole may be formed on the one end side, and the exhaust hole may be formed on the ventilation path side.
  • the suction port body can be formed in a T shape, and the motor can be arranged on one end side in the longitudinal direction of the first housing portion. Therefore, the driving force of this motor is applied to the rotational cleaning member of the mounting unit.
  • the driving force transmission mechanism for transmitting can be arranged on one end side of the rotational cleaning member in the mounting unit. Thereby, it becomes a structure which can arrange
  • a large part (driving force transmission mechanism) that obstructs suction is not disposed near the suction port disposed in the middle of the left and right of the suction port body, so that the suction performance of the suction port unit is lowered. There is nothing.
  • the driving force transmission mechanism when the driving force transmission mechanism is arranged in the middle of the left and right of the first housing part, the configurations of the driving force transmission mechanism and the rotation cleaning member become complicated, and the first housing part and the second housing part The connecting portion of the inlet becomes larger and the appearance of the suction port body deteriorates.
  • the driving force transmission mechanism by disposing the driving force transmission mechanism on one end side of the first housing portion, the configuration of the driving force transmission mechanism and the rotational cleaning member can be simplified, and the appearance of the suction port body is improved. There are also benefits.
  • the motor may have a front end of the output shaft disposed on the intake hole side and a proximal end of the output shaft disposed on the exhaust hole side.
  • the motor output shaft and the driving force transmission mechanism are arranged on one end side of the first casing unit, the air intake holes are arranged on one end side of the first casing unit, and the length of the first casing unit is set. It is a rational structure in which an exhaust hole is arranged on the suction port side in the middle direction.
  • the suction port may be configured to form a substantially vertical surface with respect to the cleaning surface. By doing so, the projection area of the ventilation path connected to the opening on the mounting unit connected to the suction port of the first casing is reduced, so that the first casing can be made compact.
  • the suction port body and a cleaning mounting unit mounted on the suction port body, there is provided a suction port unit of a vacuum cleaner, wherein the mounting unit is a floor surface cleaning mounting unit having a rotatable rotating brush or a bedding cleaning mounting unit having a swinging hitting plate.

Landscapes

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

Abstract

La présente invention concerne une unité d'entrée d'aspiration pour un aspirateur électrique, auquel il est possible de fixer des unités d'accessoire ayant différentes fonctions, qui peut être lavée dans de l'eau, est entraînée par moteur, et peut être fabriquée à un coût faible. L'unité d'entrée d'aspiration pour des aspirateurs électriques comprend un corps principal d'entrée d'aspiration (52) et une unité d'accessoire raccordée de façon détachable à ce corps principal d'entrée d'aspiration (52) et ayant une ouverture de collecte de poussières (51x) qui communique avec une entrée d'aspiration (52a1). Le corps principal d'entrée d'aspiration (52) comporte au moins un moteur. L'unité d'accessoire est caractérisée en ce qu'elle comprend un boîtier, un élément nettoyant rotatif (51b1) raccordé de façon détachable à ce boîtier et un mécanisme de transmission de force d'entraînement (51b2) qui transmet une force d'entraînement du moteur à l'élément nettoyant rotatif (51b1).
PCT/JP2015/073561 2014-08-25 2015-08-21 Unité d'entrée d'aspirateur électrique et corps principal d'entrée d'aspiration WO2016031724A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2014-170618 2014-08-25
JP2014170685A JP6491836B2 (ja) 2014-08-25 2014-08-25 電気掃除機の吸込口体
JP2014170618A JP6349201B2 (ja) 2014-08-25 2014-08-25 電気掃除機の吸込口本体
JP2014-170685 2014-08-25

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WO2016031724A1 true WO2016031724A1 (fr) 2016-03-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110881898A (zh) * 2018-09-11 2020-03-17 松下家电研究开发（杭州）有限公司 用于吸尘器的吸头识别方法以及吸尘器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1033429A (ja) * 1996-07-29 1998-02-10 Hitachi Ltd 電気掃除機
JPH10201682A (ja) * 1997-01-23 1998-08-04 Hitachi Ltd 電気掃除機
JP2002306382A (ja) * 2001-04-12 2002-10-22 Matsushita Electric Ind Co Ltd 電気掃除機用吸込具および電気掃除機
JP2008188375A (ja) * 2007-02-08 2008-08-21 Matsushita Electric Ind Co Ltd 電気掃除機用吸込具、及びこれを用いた電気掃除機
JP2011244871A (ja) * 2010-05-24 2011-12-08 Hitachi Appliances Inc 電気掃除機

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1033429A (ja) * 1996-07-29 1998-02-10 Hitachi Ltd 電気掃除機
JPH10201682A (ja) * 1997-01-23 1998-08-04 Hitachi Ltd 電気掃除機
JP2002306382A (ja) * 2001-04-12 2002-10-22 Matsushita Electric Ind Co Ltd 電気掃除機用吸込具および電気掃除機
JP2008188375A (ja) * 2007-02-08 2008-08-21 Matsushita Electric Ind Co Ltd 電気掃除機用吸込具、及びこれを用いた電気掃除機
JP2011244871A (ja) * 2010-05-24 2011-12-08 Hitachi Appliances Inc 電気掃除機

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110881898A (zh) * 2018-09-11 2020-03-17 松下家电研究开发（杭州）有限公司 用于吸尘器的吸头识别方法以及吸尘器
CN110881898B (zh) * 2018-09-11 2021-10-19 松下家电(中国)有限公司 用于吸尘器的吸头识别方法以及吸尘器

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