WO2018100774A1 - 電気掃除機 - Google Patents

電気掃除機 Download PDF

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Publication number
WO2018100774A1
WO2018100774A1 PCT/JP2017/020615 JP2017020615W WO2018100774A1 WO 2018100774 A1 WO2018100774 A1 WO 2018100774A1 JP 2017020615 W JP2017020615 W JP 2017020615W WO 2018100774 A1 WO2018100774 A1 WO 2018100774A1
Authority
WO
WIPO (PCT)
Prior art keywords
dust
vacuum cleaner
air
electric blower
filter
Prior art date
Application number
PCT/JP2017/020615
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
鳥澤　陽
佐藤　毅
田中　正俊
裕司 大塚
幸雄 町田
市川　洋光
村田　博光
孝吉 清水
大島　郁夫
Original Assignee
東芝ライフスタイル株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 東芝ライフスタイル株式会社 filed Critical 東芝ライフスタイル株式会社
Priority to CN201780073106.6A priority Critical patent/CN109996480B/zh
Priority to KR1020197015159A priority patent/KR102268464B1/ko
Publication of WO2018100774A1 publication Critical patent/WO2018100774A1/ja

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/12—Dry filters
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/102—Dust separators
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • 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
    • 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 embodiment according to the present invention relates to a vacuum cleaner.
  • a conventional vacuum cleaner is a first separator disposed between a second separation part (filter) and a second dust collection part (fine dust storage part) and a first dust collection part (coarse dust separation chamber).
  • a separation unit (coarse dust filter) is provided.
  • the electric blower sucks clean air that has passed through the second separation part.
  • the first separation part is disposed between the second separation part and the second dust collection part and the first dust collection part, as in the conventional vacuum cleaner, in the city on such a route. Was advantageous in terms of shortening the air passage length.
  • the second separation unit has a more complicated structure and is heavier than others. Is even heavier. For this reason, the center of gravity of the vacuum cleaner body is likely to be dominated by the arrangement of the electric blower, and the weight distribution of the vacuum cleaner body is greatly influenced by the second separation portion.
  • the electric blower in order to adjust the weight distribution of the cleaner body and improve the lightness of the handling of the cleaner body, the electric blower, the first separator, the first dust collector, the second separator, and the second collector
  • the arrangement of the dust part is greatly changed from the conventional vacuum cleaner.
  • the present invention proposes a vacuum cleaner that is excellent in weight distribution and improves the lightness of the handling of the vacuum cleaner body.
  • an electric vacuum cleaner separates the dust from an electric blower that generates negative pressure and air containing dust that is sucked in by the negative pressure generated by the electric blower.
  • a first separation unit that causes the second separation unit to separate the dust from the air containing the dust that passes through the first separation unit, and a communication air passage that guides the air flowing out of the second separation unit to the electric blower.
  • the first separation part and the communication air passage are arranged between the electric blower and the second separation part, and are provided side by side with each other.
  • the first separation unit of the vacuum cleaner causes the air including the dust to travel straight and the air from the air due to a difference in inertia force acting on the dust and the air. It is preferable to separate relatively heavy dust.
  • the second separation unit of the vacuum cleaner according to the embodiment of the present invention includes a filter that filters and separates relatively light dust out of the dust from the air containing the dust.
  • the vacuum cleaner according to the embodiment of the present invention includes coarse dust that accumulates relatively heavy dust among the dust separated by the first separation unit and provided in the first separation unit and the communication air passage. It is preferable to have a dust collection chamber.
  • the vacuum cleaner according to the embodiment of the present invention includes a main body case having a suction port connected to the first separation portion in the center in the width direction, and a pair of wheels that support the main body case so as to travel,
  • the pair of wheels sandwich the electric blower, the first separation portion, the second separation portion, and the communication air passage, and the first separation portion is disposed at a central portion in the width direction of the main body case.
  • the second separation portion is biased to one side portion of the main body case, and the electric blower is biased to the other side portion of the main body case.
  • the vacuum cleaner according to the embodiment of the present invention preferably includes a secondary battery disposed on the opposite side of the suction port across the rotation center line of the wheel.
  • the vacuum cleaner according to the embodiment of the present invention includes a secondary battery disposed on the opposite side of the suction port across the rotation center line of the wheel and surrounding the coarse dust collection chamber. Is preferred.
  • the perspective view which shows the vacuum cleaner which concerns on embodiment of this invention The perspective view which shows the vacuum cleaner which concerns on embodiment of this invention.
  • the perspective view which shows the vacuum cleaner which concerns on embodiment of this invention The plane sectional view of the vacuum cleaner main part of the electric vacuum cleaner concerning the embodiment of the present invention.
  • the longitudinal cross-sectional view of the cleaner body of the vacuum cleaner which concerns on embodiment of this invention.
  • the perspective view of the primary dust container of the vacuum cleaner concerning the embodiment of the present invention.
  • the side view of the primary dust container of the vacuum cleaner concerning the embodiment of the present invention.
  • Sectional drawing of the primary dust container of the vacuum cleaner which concerns on embodiment of this invention The perspective view of the dust removal mechanism of the vacuum cleaner which concerns on embodiment of this invention.
  • the figure of the power transmission mechanism of the vacuum cleaner concerning the embodiment of the present invention.
  • the figure of the power transmission mechanism of the vacuum cleaner concerning the embodiment of the present invention.
  • the figure of the power transmission mechanism of the vacuum cleaner concerning the embodiment of the present invention.
  • the figure of the power transmission mechanism of the vacuum cleaner concerning the embodiment of the present invention.
  • the perspective view of the station of the vacuum cleaner which concerns on embodiment of this invention.
  • the perspective view of the station of the vacuum cleaner which concerns on embodiment of this invention.
  • FIG. 1 and 2 are perspective views showing a vacuum cleaner according to an embodiment of the present invention.
  • the electric vacuum cleaner 1 includes a stationary station 2 and an electric vacuum cleaner 3 that can be connected to and disconnected from the station 2.
  • FIG. 1 shows a form with which the vacuum cleaner 3 was connected with the station 2 in addition, in FIG. 1, the form with which the vacuum cleaner 3 was connected with the station 2 in addition, in FIG. 1, the form with which the vacuum cleaner 3 was connected with the station 2 in addition, in FIG. 1, the form with which the vacuum cleaner 3 was connected with the station 2 is shown.
  • This form is referred to as a storage form of the electric vacuum cleaner 1.
  • FIG. 2 shows a form in which the vacuum cleaner 3 is separated from the station 2.
  • FIG. 2 shows a form in which the electric vacuum cleaner 3 is used for cleaning.
  • the vacuum cleaner 3 is a so-called cordless type.
  • the vacuum cleaner 3 is a so-called canister type, but is not limited thereto, and may be an upright type, a stick type, or a handy type.
  • the station 2 has both a charging function of the vacuum cleaner 3 and a function of collecting the dust collected by the vacuum cleaner 3 and storing the collected dust.
  • Station 2 is arranged at an appropriate location in the room.
  • the user disconnects the vacuum cleaner body 7 of the vacuum cleaner 3 connected to the station 2 from the station 2 (FIG. 2), runs the vacuum cleaner 3 on the surface to be cleaned of the living room, or manually operates the vacuum cleaner 3. Move it to clean the surface to be cleaned. Thereafter, the user returns (connects) the vacuum cleaner body 7 to the station 2 and stores it (FIG. 1).
  • the station 2 charges the cleaner body 7 while collecting the dust accumulated in the vacuum cleaner 3 in a timely manner. That is, the vacuum cleaner 1 collects the dust collected by the vacuum cleaner 3 in the station 2 every time the vacuum cleaner body 7 is connected to the station 2 after the vacuum cleaner 3 is used for cleaning. Empty machine 3.
  • the frequency with which dust is collected from the vacuum cleaner 3 to the station 2 may not be every time the vacuum cleaner 3 is connected to the station 2.
  • the dust collection frequency is the number of times dust is collected every week on the assumption that the vacuum cleaner 3 is used once a day every time the vacuum cleaner 3 is connected to the station 2 a plurality of times, that is, every 7 times. It may be.
  • the vacuum cleaner 3 includes a vacuum cleaner body 7 that can travel on the surface to be cleaned, and a pipe portion 8 that is detachable from the cleaner body 7.
  • the tube portion 8 is fluidly connected to the cleaner body 7.
  • the vacuum cleaner main body 7 is accommodated in the main body case 11, a pair of wheels 12 provided on the left and right sides of the main body case 11, a primary dust container 13 that is detachably attached to the main body case 11, and the main body case 11.
  • the primary electric blower 15 is provided, a cleaner control unit 16 that mainly controls the primary electric blower 15, and a secondary battery 17 that stores electric power supplied to the primary electric blower 15.
  • the vacuum cleaner body 7 drives the primary electric blower 15 with the electric power stored in the secondary battery 17.
  • the vacuum cleaner body 7 causes the negative pressure generated by the primary electric blower 15 to act on the pipe portion 8.
  • the vacuum cleaner 3 sucks in air containing dust (hereinafter referred to as “dust-containing air”) from the surface to be cleaned through the pipe portion 8.
  • the vacuum cleaner 3 separates dust from the sucked dust-containing air.
  • the vacuum cleaner 3 collects and accumulates the separated dust, and exhausts clean air after separating the dust.
  • a main body connection port 18 corresponding to the suction port of the vacuum cleaner main body 7 is provided in the front portion of the main body case 11.
  • the main body connection port 18 is a joint to which the pipe portion 8 can be attached and detached.
  • the main body connection port 18 fluidly connects the pipe portion 8 and the primary dust container 13.
  • the cleaner body 7 is coupled to the station 2 with the main body connection port 18 facing upward.
  • the vacuum cleaner body 7 is lowered (lowered) from above and connected to the station 2.
  • the wheel 12 supports the cleaner body 7 so that it can run.
  • the cleaner body 7 is supported by casters (not shown) in addition to the pair of wheels 12.
  • the primary dust container 13 accumulates dust sucked into the electric vacuum cleaner 3.
  • the primary dust container 13 separates, collects, and accumulates dust from the dust-containing air flowing into the cleaner body 7, and sends clean air from which dust has been removed to the primary electric blower 15.
  • the primary electric blower 15 sucks air from the primary dust container 13 and generates negative pressure (suction negative pressure).
  • the vacuum cleaner control unit 16 includes a microprocessor (not shown) and a storage device (not shown) that stores various calculation programs, parameters, and the like executed by the microprocessor.
  • the storage device stores various settings (arguments) related to a plurality of preset operation modes.
  • the plurality of operation modes are associated with the output of the primary electric blower 15. Different operation values (input values of the primary electric blower 15 and current values flowing through the primary electric blower 15) are set in the respective operation modes.
  • Each operation mode is associated with an operation input received by the pipe unit 8.
  • the vacuum cleaner control unit 16 selectively selects an arbitrary operation mode corresponding to the operation input to the pipe unit 8 from a plurality of preset operation modes, and reads the setting of the selected operation mode from the storage unit.
  • the primary electric blower 15 is operated in accordance with the read operation mode setting.
  • the secondary battery 17 supplies power to the primary electric blower 15 and the cleaner control unit 16.
  • the secondary battery 17 is electrically connected to a pair of charging electrodes 19 provided in the cleaner body 7.
  • the pipe portion 8 sucks dust-containing air from the surface to be cleaned by the negative pressure acting from the cleaner body 7 and guides it to the cleaner body 7.
  • the pipe portion 8 includes a connection pipe 21 as a joint that can be attached to and detached from the cleaner body 7, a dust collection hose 22 that is fluidly connected to the connection pipe 21, and a hand operation that is fluidly connected to the dust collection hose 22.
  • a suction port body 28 to be connected.
  • connection pipe 21 is a joint that can be attached to and detached from the main body connection port 18.
  • the connection pipe 21 is fluidly connected to the primary dust container 13 through the main body connection port 18.
  • the dust collecting hose 22 is a long and flexible substantially cylindrical hose. One end of the dust collection hose 22 (here, the rear end) is fluidly connected to the connection pipe 21. The dust collection hose 22 is fluidly connected to the primary dust container 13 through the connection pipe 21.
  • the hand control tube 23 connects the dust collection hose 22 and the extension tube 27.
  • One end portion (here, the rear end portion) of the hand operation tube 23 is fluidly connected to the other end portion (here, the front end portion) of the dust collecting hose 22.
  • the hand operation tube 23 is fluidly connected to the primary dust container 13 through the dust collection hose 22 and the connection tube 21.
  • the grip portion 25 is a portion that the user grips with his / her hand to operate the vacuum cleaner 3.
  • the grip portion 25 protrudes from the hand operation tube 23 in an appropriate shape that can be easily gripped by the user.
  • the operation unit 26 includes a switch associated with each operation mode.
  • the operation unit 26 supplies power to the stop switch 26 a associated with the operation stop operation of the primary electric blower 15, the start switch 26 b associated with the operation start operation of the primary electric blower 15, and the suction port body 28. And a corresponding brush switch 26c.
  • the stop switch 26 a and the start switch 26 b are electrically connected to the cleaner control unit 16.
  • the user of the vacuum cleaner 3 can alternatively select the operation mode of the primary electric blower 15 by operating the operation unit 26.
  • the start switch 26 b also functions as an operation mode selection switch during the operation of the primary electric blower 15.
  • the vacuum cleaner control unit 16 switches the operation mode in the order of strong ⁇ medium ⁇ weak ⁇ strong ⁇ medium ⁇ weak ⁇ ... Every time an operation signal is received from the activation switch 26b.
  • the operation unit 26 may include a strong operation switch (not shown), a medium operation switch (not shown), and a weak operation switch (not shown) instead of the start switch 26b.
  • the extension pipe 27 having a telescopic structure in which a plurality of cylinders are superposed can be expanded and contracted.
  • One end portion (here, the rear end portion) of the extension pipe 27 is provided with a detachable joint at the other end portion (here, the front end portion) of the hand operation tube 23.
  • the extension pipe 27 is fluidly connected to the primary dust container 13 through the hand operation pipe 23, the dust collection hose 22 and the connection pipe 21.
  • the suction port body 28 can run or slide on a surface to be cleaned such as a wooden floor or a carpet, and has a suction port 31 on the bottom surface facing the surface to be cleaned in a running state or a sliding state.
  • the suction port body 28 includes a rotatable rotary cleaning body 32 disposed in the suction port 31 and an electric motor 33 that drives the rotary cleaning body 32.
  • One end portion (here, the rear end portion) of the suction port body 28 is provided with a detachable joint at the other end portion (here, the front end portion) of the extension pipe 27.
  • the suction port body 28 is fluidly connected to the primary dust container 13 through the extension pipe 27, the hand operation pipe 23, the dust collection hose 22, and the connection pipe 21.
  • the suction port body 28, the extension tube 27, the hand operation tube 23, the dust collection hose 22, the connection tube 21, and the primary dust container 13 are suction air paths from the suction port 31 to the primary electric blower 15.
  • the electric motor 33 alternately repeats start and stop of operation every time an operation signal is received from the brush switch 26c.
  • the vacuum cleaner 3 starts the primary electric blower 15 when the start switch 26b is operated. For example, in the vacuum cleaner 3, when the start switch 26b is operated in a state where the primary electric blower 15 is stopped, the primary electric blower 15 is first started in the strong operation mode, and then the start switch 26b is operated again. When the operation mode of the primary electric blower 15 is changed to the middle operation mode and the start switch 26b is operated three times, the operation mode of the primary electric blower 15 is changed to the weak operation mode, and the same is repeated thereafter.
  • the strong operation mode, the medium operation mode, and the weak operation mode are a plurality of operation modes set in advance, and the input value to the primary electric blower 15 is small in the order of the strong operation mode, the medium operation mode, and the weak operation mode.
  • the started primary electric blower 15 sucks air from the primary dust container 13 and creates a negative pressure in the primary dust container 13.
  • the negative pressure in the primary dust container 13 acts on the suction port 31 through the main body connection port 18, the connection tube 21, the dust collection hose 22, the hand operation tube 23, the extension tube 27, and the suction port body 28 in order.
  • the vacuum cleaner 3 sucks dust on the surface to be cleaned together with air by the negative pressure acting on the suction port 31.
  • the primary dust container 13 separates, collects and accumulates dust from the sucked dust-containing air, and sends the air separated from the dust-containing air to the primary electric blower 15.
  • the primary electric blower 15 exhausts the air sucked from the primary dust container 13 to the outside of the cleaner body 7.
  • Station 2 is installed at any location on the surface to be cleaned.
  • the station 2 includes a pedestal 41 to which the cleaner body 7 can be connected, and a dust collecting unit 42 provided integrally with the pedestal 41.
  • the station 2 is provided with the dust transfer pipe
  • the pedestal 41 has a width dimension comparable to that of the dust collection part 42, and projects to the front side of the dust collection part 42 and expands into a rectangular shape.
  • the pedestal 41 has a shape and dimensions that can accommodate the vacuum cleaner body 7 of the electric vacuum cleaner 3 in plan view.
  • the pedestal 41 includes a charging terminal 45 that can be connected to the cleaner body 7.
  • the charging terminal 45 contacts the charging electrode 19 of the cleaner body 7 and is electrically connected.
  • the pedestal 41 has a bulging portion 46 arranged so as to snuggle up to the side surface of the cleaner body 7 in the storage form of the electric vacuum cleaner 1.
  • the dust collection unit 42 is disposed behind the pedestal 41.
  • the dust collecting unit 42 is a box having an appropriate shape that can be placed on the surface to be cleaned integrally with the pedestal 41.
  • the dust collection part 42 extends upward from the pedestal 41.
  • the dust collection part 42 has an appropriate shape that does not interfere with the cleaner body 7 connected to the pedestal 41.
  • the dust collection unit 42 is housed in the dust collection unit 42, a secondary dust container 48 that collects the dust discarded from the primary dust container 13 through the case 47 and the dust transfer pipe 43, and stores the collected dust.
  • a secondary electric blower 49 that is fluidly connected to the secondary dust container 48, a station control unit 51 that mainly controls the secondary electric blower 49, and a power cord 52 that guides power from a commercial AC power source to the dust collection unit 42 And.
  • the top plate of the case 47 and the pedestal 41 is an integrally molded product of resin.
  • the secondary dust container 48 is fluidly connected to the dust transfer pipe 43.
  • the secondary dust container 48 separates, collects, and accumulates dust from the air containing dust flowing in from the dust transfer pipe 43, and sends clean air from which dust is removed to the secondary electric blower 49.
  • the secondary dust container 48 is detachably mounted on the left side (right side when viewed from the front) of the dust collection unit 42 and is exposed to the appearance of the station 2.
  • the secondary electric blower 49 sucks air from the secondary dust container 48 to generate negative pressure (suction negative pressure), and moves the dust from the primary dust container 13 to the secondary dust container 48.
  • the secondary electric blower 49 is accommodated on the right side (left side as viewed from the front) of the dust collection unit 42.
  • the station control unit 51 includes a microprocessor (not shown) and a storage device (not shown) for storing various arithmetic programs executed by the microprocessor, parameters, and the like.
  • the station control unit 51 performs operability control of the secondary electric blower 49 and charge control of the secondary battery 17 of the vacuum cleaner 3.
  • the dust transfer tube 43 is connected to the primary dust container 13 in the storage form of the electric vacuum cleaner 1.
  • the dust transfer pipe 43 is an air passage that moves the dust collected by the vacuum cleaner 3 to the secondary dust container 48.
  • the dust transfer pipe 43 is connected to the primary dust container 13 and fluidly connects the primary dust container 13 and the secondary dust container 48.
  • the dust transfer tube 43 is connected to the suction side of the secondary dust container 48.
  • the negative pressure generated by the secondary electric blower 49 acts on the dust transfer pipe 43 via the secondary dust container 48.
  • the dust transfer pipe 43 has an inlet connected to the primary dust container 13 of the electric vacuum cleaner 3 and an outlet connected to the secondary dust container 48.
  • the dust transfer pipe 43 extends rearward from the entrance disposed in the base 41 to reach the dust collection unit 42, and is bent upward in the dust collection unit 42 and extends upward to be disposed on the side of the secondary dust container 48. To the exit.
  • the charging terminal 45 and the entrance of the dust transfer pipe 43 are provided on the pedestal 41.
  • the charging electrode 19 of the vacuum cleaner 3 is electrically connected to the charging terminal 45 of the station 2, and the dust transfer pipe 43 of the station 2 is Connected to the dust container 13. Thereafter, the station 2 starts charging the secondary battery 17 of the vacuum cleaner 3. Further, the station 2 starts the secondary electric blower 49 in a timely manner.
  • the secondary electric blower 49 that has been started sucks air from the secondary dust container 48 and creates a negative pressure in the secondary dust container 48.
  • the negative pressure in the secondary dust container 48 acts on the primary dust container 13 through the dust transfer pipe 43.
  • the station 2 sucks the dust accumulated in the primary dust container 13 together with air by the negative pressure acting on the primary dust container 13.
  • the secondary dust container 48 separates, collects and accumulates dust from the sucked air, and sends the air from which the dust is separated to the secondary electric blower 49.
  • the secondary electric blower 49 exhausts clean air sucked from the secondary dust container 48 out of the station 2.
  • FIG. 3 is a cross-sectional plan view of the cleaner body of the electric vacuum cleaner according to the embodiment of the present invention.
  • FIG. 4 is a longitudinal sectional view of the vacuum cleaner body of the electric vacuum cleaner according to the embodiment of the present invention.
  • FIG. 3 shows a state where the connection pipe 21 of the pipe portion 8 is removed from the cleaner body 7.
  • FIG. 4 shows a state in which the connection pipe 21 is attached to the cleaner body 7.
  • the vacuum cleaner body 7 of the electric vacuum cleaner 1 has a cylindrical rear half part lying in the width direction of the main body case 11 and a cylindrical shape in plan view.
  • a main body case 11 having a front half portion that bulges forward in an arc shape from the latter half portion of the head.
  • the main body connection port 18 extends along a line passing through the substantial center in the width direction of the main body case 11 and the substantial center in the height direction (hereinafter referred to as a center line C), and is connected to the primary dust container 13.
  • a center line C a line passing through the substantial center in the width direction of the main body case 11 and the substantial center in the height direction
  • Has reached. 3 and 4 are sectional views passing through the center line C.
  • Each wheel 12 is arranged at each of the left and right ends of the cylindrical rear half of the main body case 11.
  • Each wheel 12 is concentrically disposed in the cylindrical rear half of the main body case 11.
  • the diameter of the wheel 12 is larger than the vertical dimension of the main body case 11, that is, the height (corresponding to the diameter of the latter half of the cylindrical shape).
  • the wheel 12 covers the back surface of the main body case 11 in a side view of the cleaner body 7, that is, in a rotation center line direction view of the wheel 12. Therefore, the vacuum cleaner body 7 can ground the wheel 12 to the surface to be cleaned even when the body case 11 is turned upside down (front and back) or in the process of turning the body case 11 upside down. it can.
  • the cleaner body 7 can reverse the top and bottom (front and back) of the main body case 11 around the rotation center line of the wheel 12 without causing the back surface of the main body case 11 to interfere with the surface to be cleaned.
  • the cleaner body 7 is provided with auxiliary wheels 12 a that support the cleaner body 7 with the wheels 12 with the front side facing upward.
  • the connecting pipe 21 is provided with auxiliary wheels 12b that support the cleaner body 7 with the wheels 12 with the back side facing upward.
  • the upper and lower sides (front and back) of the cleaner body 7 are distinguished for convenience of explanation.
  • the electric vacuum cleaner 3 can be used for cleaning similarly whether the front side is directed upward or the back side is directed upward.
  • the secondary battery 17 is arranged on the opposite side of the main body connection port 18 across the rotation center line of the wheel 12, that is, at the center of the rear end of the main body case 11. That is, the secondary battery 17 is accommodated in the cylindrical rear half of the main body case 11.
  • the secondary battery 17 has a plurality of cylindrical unit cells 17a arranged following the inner surface of the rear half of the cylindrical shape.
  • the center line of the cylindrical rear half of the main body case 11 and the rotation center line of the wheel 12 are substantially on the same line.
  • the inside of the cylindrical rear half of the main body case 11 around this line is referred to as a region A.
  • the wheel 12 avoids the area A. That is, the wheel 12 has an annular shape having an inner diameter larger than that of the region A.
  • the primary dust container 13 and the primary electric blower 15 are arranged in the region A and are arranged in the width direction of the main body case 11.
  • the primary dust container 13 is disposed in a region A ⁇ b> 1 that reaches one wheel 12 (for example, the right wheel 12 in a state where the cleaner body 7 is connected to the station 2) from the center portion in the region A.
  • the primary electric blower 15 is disposed in a region A2 of the region A that is biased toward the other wheel 12 (for example, the left wheel 12 in a state where the cleaner body 7 is connected to the station 2).
  • the main body case 11 has a dust container chamber 61 that detachably accommodates the primary dust container 13 and an electric blower chamber 62 that accommodates the primary electric blower 15.
  • the dust container chamber 61 occupies the area A1.
  • the electric blower chamber 62 occupies the area A2.
  • the primary electric blower 15 is accommodated in the electric blower chamber 62.
  • the suction port of the primary electric blower 15 is directed to the dust container chamber 61.
  • the dust container chamber 61 defines a cylindrical space according to the shape of the primary dust container 13.
  • the dust container chamber 61 has a dust container insertion / extraction port 61 a disposed on the side surface of the main body case 11.
  • the opening diameter of the dust container insertion / extraction opening 61 a is smaller than the inner diameter of the annular wheel 12.
  • the dust container insertion / extraction port 61 a is disposed inside the annular wheel 12 in a side view of the cleaner body 7.
  • the primary dust container 13 has a cylindrical appearance having an outer diameter smaller than the inner diameter of the wheel 12.
  • the primary dust container 13 is inserted into and removed from the dust container chamber 61 through the dust container insertion / extraction port 61a. That is, the primary dust container 13 is inserted and removed in the width direction of the cleaner body 7. As a result, the primary dust container 13 is attached to and detached from the cleaner body 7.
  • FIG. 5 is a perspective view of the primary dust container of the vacuum cleaner according to the embodiment of the present invention.
  • FIG. 6 is a side view of the primary dust container of the vacuum cleaner according to the embodiment of the present invention.
  • FIG. 7 is a cross-sectional view of the primary dust container of the vacuum cleaner according to the embodiment of the present invention taken along the line VII-VII in FIG.
  • the primary dust container 13 of the vacuum cleaner 3 accumulates dust sucked into the vacuum cleaner 3.
  • the primary dust container 13 includes a separation unit 64 that separates dust from the air containing dust and is sucked in by negative pressure generated by the primary electric blower 15, and a dust collection unit 65 that accumulates the dust separated by the separation unit 64. And a communication air passage 66 for guiding the air flowing out from the dust collecting section 65 to the primary electric blower 15.
  • the separation unit 64 is connected to the main body connection port 18.
  • the separation unit 64 passes through the first separation unit 68 and the first separation unit 68 that separates relatively heavy dust from the air by the difference in inertia force acting on the dust and air by causing the air containing the dust to go straight.
  • a filter part 69 as a second separation part for separating dust from air containing relatively light dust.
  • the dust collecting unit 65 is provided in the separation unit 64 and the connecting air passage 66.
  • the dust collection unit 65 includes a coarse dust collection chamber 71 that accumulates relatively heavy dust among the dust separated by the separation unit 64, and a filter chamber 72 that houses the filter unit 69.
  • the relatively heavy dust separated by the first separation unit 68 is called coarse dust.
  • the relatively light dust separated by the filter unit 69 is called fine dust.
  • the coarse dust collection chamber 71 and the filter chamber 72 are collectively referred to as a dust collection chamber 73.
  • the dust-containing air flowing into the primary dust container 13 from the main body connection port 18 is separated into coarse dust and other (air containing fine dust) by the first separation unit 68.
  • the separated coarse dust is accumulated in the coarse dust collection chamber 71.
  • the air containing fine dust separated by the first separation part 68 flows into the filter chamber 72.
  • the air that has flowed into the coarse dust collection chamber 71 also flows into the filter chamber 72.
  • the air containing fine dust that has flowed into the filter chamber 72 is separated into fine dust and air by the filter unit 69.
  • the separated fine dust is captured by the filter unit 69 and accumulated in the filter chamber 72.
  • the clean air that has passed through the filter unit 69 is sucked into the primary electric blower 15 via the communication air passage 66.
  • the first separation portion 68 includes a nozzle portion 75 connected to the main body connection port 18, a truncated cone-shaped primary filter frame 76 that encloses the nozzle portion 75, and a first mesh filter 77.
  • the nozzle portion 75 extends into the container body 78 from the suction port 78a of the container body 78 corresponding to the outer shell of the primary dust container 13.
  • the primary filter frame 76 is provided on the inner surface of the container body 78.
  • the primary filter frame 76 extends in a tapered shape along the center line of the main body connection port 18, that is, substantially the center line C of the cleaner body 7, with the primary dust container 13 mounted on the main body case 11. Yes.
  • the bottom of the large diameter is in contact with the inner surface of the container body 78, and the bottom of the small diameter has a coarse dust discharge port 79 connected to the coarse dust collection chamber 71 of the dust collection unit 65.
  • the diameter of the bottom of the large diameter is larger than the opening diameter of the suction port 78a.
  • the center line of the coarse dust discharge port 79 is substantially along the center line of the suction port 78 a and substantially along the center line of the main body connection port 18.
  • the first mesh filter 77 is provided on the side surface of the primary filter frame 76.
  • a relay air passage 81 connected to the filter chamber 72 is defined outside the first mesh filter 77.
  • the first separation unit 68 becomes negative pressure by the flow of air sucked into the primary electric blower 15 through the first mesh filter 77 and the flow of air sucked into the primary electric blower 15 through the coarse dust discharge port 79.
  • the coarse dust collection chamber 71 accumulates relatively heavy dust separated by the first separation unit 68.
  • the coarse dust collection chamber 71 is a part of the air path of the air sucked into the primary electric blower 15.
  • the coarse dust collection chamber 71 is connected to a coarse dust discharge port 79 of the first separation unit 68.
  • the coarse dust collection chamber 71 is also connected to the filter chamber 72.
  • the coarse dust collection chamber 71 is disposed on the center line of the main body connection port 18, that is, substantially on the center line C of the cleaner body 7.
  • the coarse dust collection chamber 71 is expanded in a direction away from the primary electric blower 15, in other words, in a direction approaching the filter unit 69.
  • a partition wall 83 having a plurality of coarse dust collection chamber outlets 82 is provided between the expanded portion and the filter chamber 72 in which the filter portion 69 is accommodated.
  • a second mesh filter 84 is provided at the coarse dust collection chamber outlet 82 of the partition wall 83. The second mesh filter 84 prevents coarse dust from flowing out of the coarse dust collection chamber 71 into the filter chamber 72. The second mesh filter 84 compresses the dust accumulated in the coarse dust collection chamber 71 by the flow of air passing through the second mesh filter 84.
  • the second mesh filter 84 has substantially the same mesh as the first mesh filter 77.
  • fine dust that has not been separated by the first separation unit 68 and has flowed into the coarse dust collection chamber 71 flows into the filter chamber 72 through the second mesh filter 84, or is filtered within the coarse dust collection chamber 71. It is captured by the coarse dust compressed.
  • the filter unit 69 filters and separates dust, particularly fine dust passing through the first separation unit 68, from the dust-containing air (dust-containing air) sucked by the negative pressure generated by the primary electric blower 15.
  • the filter unit 69 includes a pair of filters 86 and 87 facing each other, and a secondary filter frame 88 that maintains and supports the shape of the pair of filters 86 and 87.
  • the pair of filters 86 and 87 face the downstream side.
  • Each of the filters 86 and 87 filters and separates dust from air that is sucked into the primary dust container 13 and contains dust.
  • the meshes of the filters 86 and 87 are finer than the first mesh filter 77 of the first separator 68 and the second mesh filter 84 of the coarse dust collection chamber 71.
  • the filters 86 and 87 are non-woven fabrics, for example.
  • the fine dust trapped by the filters 86 and 87 includes dust that can pass through the first mesh filter 77 and the second mesh filter 84.
  • filters 86 and 87 are directly exposed to the air flowing into the filter chamber 72, and the other of the filters 86 and 87 (filter 87) goes around one of the filters 86 and 87 (filter 86). Exposed to the air.
  • the filter 86 faces the relay air passage 81 that connects the first separation portion 68 and the filter portion 69 and faces the coarse dust collection chamber outlet 82 that connects the coarse dust collection chamber 71 and the filter chamber 72.
  • the filter 87 is hidden by the filter 86 and is disposed at a location where it cannot be seen from the relay air passage 81 and the coarse dust collection chamber outlet 82.
  • the pair of filters 86 and 87 are pleated filters having fold lines (ridge lines 86a and 87a) having substantially the same width (interval) and the same depth.
  • the filter 86 facing the relay air passage 81 and the coarse dust collection chamber outlet 82 may have a fold that is wider and shallower than the filter 87. Since the filter 86 faces the relay air passage 81 and the coarse dust collection chamber outlet 82, the dust passing through the first separation portion 68 and the dust flowing out from the coarse dust collection chamber 71, that is, fine dust, are first filtered. 86 is sprayed. The filter 86 captures fine dust and gradually becomes clogged. As the filter 86 is clogged, the fine dust sprayed on the filter 86 from the relay air passage 81 and the coarse dust collection chamber outlet 82 goes into the filter 87. Then, clogging of the filter 87 starts.
  • the filter 86 is more easily clogged than the filter 87. In other words, dust is more likely to adhere to the filter 86 than the filter 87. Therefore, by making the folds of the filter 86 wider and shallower than the filter 87, the dust can be easily removed from the filter 86 to which dust is more likely to adhere.
  • the filters 86 and 87 may have a polytetrafluoroethylene (PTFE, so-called Teflon (registered trademark)) film on the upstream surface so that the attached dust can be easily removed.
  • PTFE polytetrafluoroethylene
  • Teflon registered trademark
  • the filters 86 and 87 have ridge lines 86a and 87a (folds) extending in the vertical direction (vertical direction) in the storage form of the electric vacuum cleaner 1.
  • the ridge lines 86 a and 87 a of the filters 86 and 87 extend in the front-rear direction of the cleaner body 7.
  • the filters 86 and 87 have open end faces that intersect the creases.
  • the open end faces of the filters 86 and 87 may be zigzag having peaks and valleys along the end face shape of the filters 86 and 87, or ventilation holes (not shown) between adjacent peaks and peaks. ) May be interposed.
  • the secondary filter frame 88 supports the pair of filters 86 and 87 facing each other and spaced apart.
  • a space defined by the secondary filter frame 88 and the pair of filters 86 and 87 corresponds to an air path on the downstream side of the filter unit 69.
  • the internal space of the filter unit 69 is connected to the communication air passage 66.
  • the secondary filter frame 88 has secondary filter outlets 89 disposed on both sides of the filter 86 and connected to the communication air passage 66.
  • the secondary filter outlet 89 causes the air that has passed through the filters 86 and 87 to flow out to the communication air passage 66.
  • the filter chamber 72 functions as a fine dust collecting chamber that accumulates fine dust trapped in the filter unit 69 by filtration separation.
  • the fine dust passing through the first mesh filter 77 and the second mesh filter 84 is captured by a pair of finer filters 86 and 87 and accumulated in the filter chamber 72. That is, the dust collection chamber 73 (the coarse dust collection chamber 71 and the filter chamber 72) is disposed on the upstream side of the filters 86 and 87.
  • the filter chamber 72 is a part of the air path of the air sucked into the primary electric blower 15.
  • the filter chamber 72 is connected to the relay air path 81.
  • the filter chamber 72 is also connected to the coarse dust collection chamber 71.
  • Coarse dust having a relatively large mass in the dust-containing air flowing from the nozzle portion 75 to the first separation portion 68 travels straight from the nozzle portion 75 to the coarse dust outlet 79 by inertia and is sent to the coarse dust collection chamber 71. It is done. Dust (coarse dust) flowing into the coarse dust collection chamber 71 from the coarse dust outlet 79 is accumulated in the coarse dust collection chamber 71.
  • fine dust and air having a relatively small mass out of the dust-containing air flowing from the nozzle portion 75 to the first separation portion 68 expand radially from the nozzle portion 75 and are provided on the side surface of the primary filter frame 76. It passes through the mesh filter 77 and flows into the filter chamber 72 via the relay air passage 81.
  • a part of the air also flows into the coarse dust collection chamber 71 together with the dust (coarse dust) flowing into the coarse dust collection chamber 71 from the coarse dust discharge port 79.
  • the air flowing into the coarse dust collection chamber 71 passes through the second mesh filter 84 and flows into the filter chamber 72.
  • Fine dust contained in the air flowing into the filter chamber 72 through the first mesh filter 77 or the second mesh filter 84 is filtered and separated by the filter unit 69 and captured by the surfaces of the pair of filters 86 and 87.
  • the clean air that passes through the filters 86 and 87 is sucked into the primary electric blower 15 through the communication air passage 66.
  • the container body 78 partitions the dust collection chamber 73, that is, the coarse dust collection chamber 71 and the filter chamber 72.
  • the first separation unit 68 and the communication air passage 66 are disposed between the filter unit 69 and the primary electric blower 15 and are provided side by side.
  • the pair of wheels 12 includes a primary electric blower 15, a separation unit 64 (first separation unit 68 and filter unit 69), a dust collection unit 65 (coarse dust collection chamber 71 and filter chamber 72), and a communication air passage 66. Sandwiched between.
  • the first separation unit 68 is disposed at the center in the width direction of the main body case 11, the filter unit 69 is biased to one side of the main body case, for example, the right side, and the primary electric blower 15 is connected to the other side of the main body case 11. It is biased to the side, for example the left side.
  • the primary dust container 13 defines a dust collection chamber 73 that accumulates dust sucked into the vacuum cleaner 3, and a container main body 78 having a disposal port 91 that discards the dust accumulated in the dust collection chamber 73, and a disposal port And a waste lid 92 that opens and closes 91.
  • the primary dust container 13 opens and closes the intake port 93 for introducing air directly from the outside of the air passage including the primary dust container 13 by the negative pressure generated by the secondary electric blower 49 of the station 2 and the intake port 93. And an intake lid 94.
  • the primary dust container 13 interlocks the dust removal mechanism 95 for removing dust attached to the filter unit 69, that is, the dust attached to the filters 86 and 87, and the dust removal operation of the dust removal mechanism 95 and the opening operation of the disposal lid 92. And a power transmission mechanism 96.
  • the container body 78 accommodates the separation part 64, that is, the first separation part 68 and the filter part 69.
  • the container main body 78 defines a dust collection chamber 73, that is, a coarse dust collection chamber 71 and a filter chamber 72. Further, the container body 78 defines a machine room 97 that houses the power transmission mechanism 96.
  • the container body 78 has a cylindrical shape as a whole. The container main body 78 is attached to the region A1 with the cylindrical center line facing the width direction of the main body case 11.
  • the disposal port 91 and the intake port 93 are provided on the side surface of the container body 78.
  • the intake lid 94 and the waste lid 92 are opened and closed collectively.
  • the disposal port 91 is closed by a disposal lid 92 except when dust is moved from the cleaner body 7 to the station 2.
  • the intake port 93 is closed by an intake lid 94 except when dust is moved from the cleaner body 7 to the station 2.
  • the discard port 91 discards the dust accumulated in the primary dust container 13 together with the air introduced from the intake port 93.
  • the disposal port 91 is disposed at the rear end of the main body case 11.
  • the disposal port 91 is disposed at a site where the station 2 and the cleaner body 7 are in contact with each other. That is, the disposal port 91 is disposed on the back surface of the main body case 11.
  • the back surface of the main body case 11 is positioned at the lowermost end of the main body case 11 in the storage form (FIG. 2) of the electric vacuum cleaner 1.
  • the disposal port 91 is disposed below the filter unit 69 in the storage form of the electric vacuum cleaner 1.
  • a main body case disposal port 98 larger than the disposal port 91 is provided at the rear end of the main body case 11.
  • the main body case disposal port 98 allows the dust transfer tube 43 of the station 2 to pass through in the storage configuration of the electric vacuum cleaner 1 and connects the entrance of the dust transfer tube 43 to the disposal port 91.
  • the disposal port 91 includes a coarse dust disposal port 101 connected to the coarse dust collection chamber 71 and a fine dust disposal port 102 connected to the filter chamber 72.
  • the coarse dust disposal port 101 and the fine dust disposal port 102 are arranged in the width direction of the main body case 11, that is, in the center line direction of the container main body 78.
  • the coarse dust collection chamber 71 and the filter chamber 72 share a partition wall 83 in the vicinity of the disposal port 91 and are adjacent to each other.
  • the disposal lid 92 and the intake lid 94 are part of the side surface of the container body 78.
  • the intake lid 94 is provided so as to be able to reciprocate in the circumferential direction of the cylindrical container body 78.
  • the waste lid 92 is supported by the container body 78 by a hinge mechanism (not shown).
  • the disposal lid 92 collectively opens and closes the coarse dust disposal port 101 and the fine dust disposal port 102. When the disposal lid 92 is opened, the coarse dust disposal port 101 and the fine dust disposal port 102 are collectively connected to the dust transfer pipe 43.
  • a packing 103 is appropriately provided at the disposal port 91.
  • the packing 103 is an integrally molded product.
  • the packing 103 is sandwiched between the disposal lid 92 and the container main body 78 and seals the coarse dust disposal port 101 and the fine dust disposal port 102 together.
  • the air inlet 93 is an inlet for taking air into the filter chamber 72 from the outside of the cleaner body 7 or from the outside of the air passage connected to the primary electric blower 15 in the main body case 11.
  • the intake port 93 is an intake port that generates an air flow when dust is moved from the cleaner body 7 to the station 2.
  • the air inlet 93 is disposed at a position that is farthest from the disposal port 91 when viewed in the circumferential direction of the container body 78, that is, at a position that is 180 degrees away, in other words, at a line-symmetric position with the center line of the container body 78 as a symmetry line. . That is, the air inlet 93 is disposed above the filter portion 69 in the storage form (FIG. 1) of the electric vacuum cleaner 1. In other words, the filters 86 and 87 are disposed between the intake port 93 and the discard port 91.
  • the air inlet 93 is disposed in the air path upstream of the filters 86 and 87 (upstream of the flow generated by the primary electric blower 15).
  • the air introduced from the air inlet 93 causes fine dust filtered by the filters 86 and 87 and coarse dust accumulated in the primary dust container 13 to flow out from the waste outlet 91 in a lump.
  • the air intake port 93 blows air onto the filters 86 and 87.
  • the air blown on the filters 86 and 87 blows off dust trapped on the surfaces of the filters 86 and 87 and guides it to the fine dust disposal port 102.
  • the filters 86 and 87 have ridgelines 86a and 87a that extend in the vertical direction when dust is removed, that is, in the storage configuration of the electric vacuum cleaner 1, and the end surfaces that intersect the folds are open. For this reason, the air blown on the filters 86 and 87 can easily flow along the folds, and the fine dust that has been peeled off can smoothly flow out from the ends of the folds.
  • the air inlet 93 is provided in the container body 78 of the primary dust container 13 and is disposed in the air path on the upstream side of the filters 86 and 87, but on the downstream side of the filters 86 and 87 ( It may be provided in the air path on the downstream side of the flow generated by the primary electric blower 15 (the intake port 93 and the intake lid 94 shown by a two-dot chain line in FIG. 6). In this case, the air inlet 93 communicates with the air path from the filters 86 and 87 to the primary electric blower 15, for example, the communication air path 66.
  • the secondary battery 17 surrounds the coarse dust collection chamber 71. That is, the plurality of unit cells 17 a included in the secondary battery 17 are arranged along the inner surface of the cylindrical rear half of the main body case 11 and surround the coarse dust collection chamber 71.
  • FIG. 8 is a perspective view of the dust removal mechanism of the electric vacuum cleaner according to the embodiment of the present invention.
  • the dust removal mechanism 95 of the electric vacuum cleaner 3 is disposed between a pair of filters 86 and 87.
  • the dust removal mechanism 95 is disposed in the internal space of the filter unit 69.
  • the dust removal mechanism 95 dusts the pair of filters 86 and 87 collectively.
  • the dust removing mechanism 95 includes a driven part 106 including a plurality of connected racks 105, a gear 107 that meshes sequentially with the plurality of racks 105 while rotating in one direction, and moves the driven part 106 along a predetermined track. It is equipped with.
  • the driven part 106 includes a frame 108 that integrally connects a plurality of racks 105 in addition to the rack 105, a mechanism that defines the moving direction of the rack 105, such as a slider 109, and a dust remover 111 that contacts each of the filters 86 and 87. It is equipped with.
  • the plurality of racks 105 in this embodiment are a pair of racks 105 arranged in parallel.
  • the driven portion 106 reciprocates by meshing the gears 107 alternately with the pair of racks 105.
  • the frame 108 connects each end of the pair of racks 105.
  • the pair of racks 105 and the frame 108 form a rectangle as a whole.
  • the slider 109 has a hole 105a of the rack 105 and a rod-shaped rail 112 that is inserted into the hole 105a and fixed to the secondary filter frame 88 of the filter unit 69.
  • the slider 109 may have, for example, a long hole provided in the frame 108 or the rack 105 and a pin member such as a screw or a rivet that is inserted into the long hole and fixed to the secondary filter frame 88. .
  • the gear 107 is disposed at the center of the filter unit 69. In other words, the gear 107 is sandwiched between the pair of filters 86 and 87 and is disposed at the center of the projection surface of the filters 86 and 87.
  • the teeth 107a of the gear 107 are partially provided. In other words, the gear 107 is partially free of teeth 107a.
  • the teeth 107a of the gear 107 sequentially mesh with the plurality of racks 105 in the course of one rotation of the gear 107.
  • the teeth 107a of the gear 107 are limited to a range (the number of teeth) that does not mesh with two or more racks 105 at the same time.
  • the number of teeth 105b of the rack 105 is one more than the number of teeth 107a of the gear 107. That is, the number of grooves between the teeth 105 b and the teeth 105 b of the rack 105 is the same as the number of teeth 107 a of the gear 107.
  • the gear 107 has four teeth 107a and the rack 105 has five teeth 105b.
  • the distance from the bottom of the groove of the pair of racks 105 to the bottom of the groove is slightly larger than the outermost diameter of the gear 107. This difference (gap) facilitates meshing between the teeth 107a of the gear 107 and the teeth 105b of the rack 105, and smooth removal.
  • the gear 107 having no tooth 107a partially rotates halfway, the tooth 107a meshes with one of the racks 105 and moves the driven part 106 in the forward path.
  • the rotation of the gear 107 advances (about 180 degrees)
  • the teeth 107a come out of one rack 105, engage with the other rack 105, and move the driven part 106 on the return path.
  • the gear 107 may have a period in which the teeth 107a are not temporarily engaged with any of the racks 105 between the forward path and the return path of the driven part 106.
  • the dust removal mechanism 95 having three or more racks 105 may include a mechanism other than the slider 109 that defines the moving direction of the rack 105 and a gear 107 having teeth around the entire circumference.
  • the dust removing mechanism 95 having three or more racks 105 may rotate the gear 107 one or more times in order to make the driven portion 106 make a round on the track.
  • 9 to 12 are diagrams of the power transmission mechanism of the electric vacuum cleaner according to the embodiment of the present invention.
  • FIG. 9 and 11 show a state where the waste lid 92 and the intake lid 94 are closed by the power transmission mechanism 96.
  • FIG. 10 and 12 show a state in which the waste lid 92 and the intake lid 94 are opened by the power transmission mechanism 96.
  • FIG. 11 and 12 show a power transmission mechanism 96 in which the second gear 122 is omitted.
  • the power transmission mechanism 96 of the vacuum cleaner 3 includes a dust removal mechanism 95, a waste lid 92, and an intake lid 94 from the station 2. Is distributed to each of the dust removing mechanism 95, the disposal lid 92, and the intake lid 94, and transmitted.
  • the power transmission mechanism 96 includes a joint half 115, a first transmission mechanism 117 that transmits driving force from the joint half 115 to the dust removal mechanism 95, and a second transmission that transmits driving force from the joint half 115 to the waste lid 92.
  • a mechanism 118 and a third transmission mechanism 119 that transmits a driving force from the joint half 115 to the intake lid 94 are provided.
  • the joint half 115 is a part of the shaft joint 120 that transmits the rotational driving force.
  • the joint half 115 is connected to the joint half 116 of the station 2.
  • the first transmission mechanism 117 always transmits the driving force input to the joint half 115 to the gear 107 of the dust removal mechanism 95.
  • the first transmission mechanism 117 simply transmits the rotational driving force input to the joint half 115 to rotate the gear 107. That is, the first transmission mechanism 117 rotates the gear 107 in the reverse direction when the joint half 115 rotates in the forward direction, and rotates the gear 107 in the normal direction when the joint half 115 rotates in the reverse direction.
  • the first transmission mechanism 117 includes a first gear 121 that is rotated and integrated with the joint half 115 and a large-diameter second gear 122 that is meshed with the first gear 121.
  • the second gear 122 penetrates the secondary filter frame 88 of the filter unit 69 and is rotatably supported by a shaft 99 that is integrally rotated with the gear 107 of the dust removing mechanism 95. That is, the second gear 122 and the gear 107 of the dust removal mechanism 95 are integrally rotated. Since the second gear 122 is larger than the first gear 121, the dust removing mechanism 95 that operates while flipping or deforming the filters 86 and 87 is used as a motor with a smaller output (the drive source 149 of the station 2 described later). ).
  • the second transmission mechanism 118 opens and closes the waste lid 92 by the driving force input to the joint half 115.
  • the third transmission mechanism 119 opens and closes the intake lid 94 by the driving force input to the joint half 115.
  • the intake lid 94 and the waste lid 92 are opened and closed at once. In other words, when the second transmission mechanism 118 opens the waste lid 92, the third transmission mechanism 119 also opens the intake lid 94. Further, when the second transmission mechanism 118 closes the disposal lid 92, the third transmission mechanism 119 also closes the intake lid 94.
  • the third transmission mechanism 119 includes a first gear 121 shared with the first transmission mechanism 117, a lever portion 123 having teeth 123a that are arranged in an arc shape and meshed with the first gear 121, and swinging the lever portion 123.
  • a guide portion 124 for guiding and a pair of stoppers 125 for defining a swing range of the lever portion 123 are provided.
  • the lever portion 123 has a swing center that coincides with the rotation center of the second gear 122. That is, the lever portion 123 is supported together with the second gear 122 by the shaft that rotatably supports the second gear 122. The lever portion 123 is directly connected to the intake lid 94.
  • the guide part 124 includes a groove 126 provided in the container body 78 and a guide plate 127 disposed in the groove 126.
  • the groove 126 extends in an arc shape according to the locus of swing of the lever portion 123.
  • the guide plate 127 is integrated with the lever portion 123.
  • the stopper 125 defines (regulates) the swing range of the lever portion 123 according to the fully closed position and the fully open position of the disposal lid 92 and the intake lid 94.
  • the second transmission mechanism 118 includes a first gear 121 shared with the first transmission mechanism 117 and the third transmission mechanism 119, a lever portion 123, a guide portion 124, and a stopper 125 shared with the third transmission mechanism 119, and a lever portion.
  • a slider 128 that converts the swing of 123 into a reciprocating motion and transmits it to the waste lid 92, and a waste lid closing spring 129 that generates a spring force for fully closing the waste lid 92 are provided.
  • the slider 128 pushes over the spring force of the waste lid closing spring 129 to open the waste lid 92. Further, the slider 128 closes the waste lid 92 using the spring force of the waste lid closing spring 129.
  • the power transmission mechanism 96 transmits driving force from the station 2 to the dust removal mechanism 95 for an appropriate period, while the dust removal mechanism 95 is in the middle of driving after the disposal lid 92 and the intake lid 94 are fully opened or fully closed. Even within an appropriate period, the power transmission from the station 2 to the waste lid 92 and the intake lid 94 is cut off (edge cutting).
  • the second transmission mechanism 118 cuts off the transmission of the driving force from the joint half 115 to the waste lid 92 when the waste lid 92 is fully opened or fully closed.
  • the third transmission mechanism 119 interrupts transmission of driving force from the joint half 115 to the intake lid 94 when the intake lid 94 is fully opened or fully closed.
  • the second transmission mechanism 118 and the third transmission mechanism 119 release the meshing between the teeth 123a of the lever portion 123 and the first gear 121 when the disposal lid 92 and the intake lid 94 are fully opened or fully closed.
  • the teeth 123a arranged in the arc shape are provided (limited) in a range where they are removed from the first gear 121 when the disposal lid 92 and the intake lid 94 are fully opened or fully closed.
  • the teeth 123a of the lever portion 123 are not able to resist the waste lid 92 that is prevented from moving, and come out of the first gear 121 and block transmission of driving force (torque).
  • the intake lid 94 is fully closed or fully opened, the teeth 123a of the lever portion 123 come out of the first gear 121 and block transmission of driving force (torque).
  • the power transmission mechanism 96 includes a drive source, such as a return spring 131, that facilitates smooth engagement between the teeth 123 a of the lever portion 123 and the first gear 121 when the engagement is restored.
  • a drive source such as a return spring 131
  • the return spring 131 is crushed and stores energy when the disposal lid 92 and the intake lid 94 are fully opened or fully closed.
  • the return spring 131 consumes energy to push back the lever portion 123 when the waste lid 92 and the intake lid 94 are opened or closed, and the teeth 123a of the lever portion 123 and the first gear 121 are engaged. Helps return to the alignment.
  • the dust cover 92 and the air intake cover 94 are kept fully open while the dust removing mechanism 95 operates for an appropriate period of time and dust is removed from the filters 86 and 87. If the dust removal mechanism 95 is reciprocated by switching between normal rotation and reverse rotation of a motor (drive source 149 of the station 2 described later), the waste lid 92 and the intake lid 94 are switched between normal rotation and reverse rotation of the motor. It is not preferable because it opens and closes each time. Therefore, the dust removal mechanism 95 according to the present embodiment has a configuration in which the driven portion 106 can be reciprocated by a gear 107 that rotates in one direction.
  • FIG. 13 and 14 are perspective views of a station of the electric vacuum cleaner according to the embodiment of the present invention.
  • FIG. 14 is a perspective view of the station 2 from which the top plate of the base 41 and the case 47 of the dust collection unit 142 are removed.
  • the secondary dust container 48 of the station 2 includes a centrifuge 143 that centrifuges the dust flowing from the dust transfer tube 43 from the air.
  • the centrifuge unit 143 is a multi-stage type, and a first centrifuge unit 144 that centrifuges dust flowing from the dust transfer tube 43 from air, and a second centrifuge that centrifuges dust passing through the first centrifuge unit 144 from air. And a separation unit 145.
  • the first centrifugal separation unit 144 centrifuges coarse dust out of dust flowing into the secondary dust container 48.
  • the second centrifuge unit 145 centrifuges fine dust that passes through the first centrifuge unit 144. Note that coarse dust is dust with a large mass such as fibrous dust such as lint and cotton dust or sand particles, and fine dust is dust with a small particle mass or powder and low mass.
  • the secondary electric blower 49 is connected to the secondary dust container 48 via the downstream air duct 146.
  • the secondary electric blower 49 applies a negative pressure to the primary dust container 13 through the downstream air duct 146, the secondary dust container 48, and the dust transfer pipe 43, and the dust accumulated in the primary dust container 13 together with the air. Move to secondary dust container 48.
  • the station 2 includes a connection guide portion 148 provided on the pedestal 41, a drive source 149 for generating an opening driving force and a closing driving force for the disposal lid 92 of the primary dust container 13 of the vacuum cleaner 3, and a driving source 149.
  • a power transmission mechanism 151 that transmits driving force to the electric vacuum cleaner 3.
  • connection guide portion 148 is such that the charging terminal 45 of the station 2 is preferably connected to the charging electrode 19 of the cleaner body 7, and the dust transfer pipe 43 is connected to the cleaner body 7.
  • the vacuum cleaner main body 7 is guided to a position suitably connected to the disposal port 91.
  • the vacuum cleaner main body 7 is connected to the station 2, the charging terminal 45 of the station 2 is preferably connected to the charging electrode 19 of the vacuum cleaner main body 7, and the dust transfer pipe 43 is preferable to the disposal port 91 of the vacuum cleaner main body 7.
  • the form connected to is the storage form of the electric vacuum cleaner 1.
  • connection guide part 148 is recessed in conformity with the shape of the rear end part of the main body case 11 of the cleaner body 7. That is, the connection guide part 148 is fitted to the cylindrical rear half part of the main body case 11 and is recessed in an arc shape when the station 2 is viewed laterally. Since the vacuum cleaner body 7 is lowered (lowered) from the upper side of the pedestal 41 and connected to the station 2, the connection guide portion 148 adapted to the shape of the rear end portion of the vacuum cleaner body 7 is provided with the electric vacuum cleaner 1. The positioning of the cleaner body 7 in the storage form is ensured.
  • the charging terminal 45 and the entrance of the dust transfer pipe 43 are arranged in the connection guide portion 148.
  • the drive source 149 is, for example, an electric motor.
  • the drive source 149 is electrically connected to the station control unit 51.
  • the drive source 149 is controlled by the station control unit 51 in the same manner as the secondary electric blower 49.
  • the driving source 149 generates an opening driving force and a closing driving force for the intake lid 94 of the vacuum cleaner 3.
  • the driving source 149 generates a driving force for the dust removing mechanism 95 of the electric vacuum cleaner 3. That is, the drive source 149 generates driving forces for the waste lid 92, the intake lid 94, and the dust removal mechanism 95.
  • the drive source 149 is provided between the entrance of the dust transfer tube 43 and the dust collection unit 142.
  • the power transmission mechanism 151 is an appropriate mechanism for transmitting the power of the drive source 149 from the drive source 149, that is, the output shaft of the electric motor, to the center line of the joint half body 115 of the cleaner body 7 in the storage configuration of the vacuum cleaner 1. .
  • the power transmission mechanism 151 according to the present embodiment includes a plurality of, for example, three gears 151a, 151b, 151c meshed with each other, and a gear box (not shown) that rotatably supports and accommodates these gears 151a, 151b, 151c. (Omitted).
  • the power transmission mechanism 151 may be a mechanism that combines a pulley and a belt, or a mechanism that combines a chain and a sprocket.
  • FIG. 15 is a perspective view of a power transmission path of the electric vacuum cleaner according to the embodiment of the present invention.
  • FIG. 15 shows only the station 2 side of the power transmission path 155, that is, the power transmission mechanism 151 of the station 2.
  • the electric vacuum cleaner 1 has a power transmission path for transmitting a driving force from the driving source 149 of the station 2 to the disposal lid 92 of the cleaner body 7. 155 and a coupler 156 that connects and disconnects the power transmission path 155 between the station 2 and the vacuum cleaner 3.
  • the power transmission path 155 includes a power transmission mechanism 96 on the vacuum cleaner 3 side and a power transmission mechanism 151 on the station 2 side.
  • the coupler 156 connects the power transmission mechanism 96 on the electric vacuum cleaner 3 side and the power transmission mechanism 151 on the station 2 side to cause the power transmission path 155 to function.
  • the coupler 156 excluding the power transmission mechanism 151 and the joint half 115 of the cleaner body 7 is covered with the bulging portion 46 of the base 41.
  • the bulging part 46 accommodates the joint half 116 so that it can protrude and retract.
  • the coupler 156 includes a shaft coupling 120, a driving source that generates a force for breaking the shaft coupling 120, for example, a coupling cutting spring 157, and a cam mechanism 158 that connects the shaft coupling 120 with the driving force generated by the driving source 149, It has.
  • the coupler 156 connects the shaft coupling 120 with the driving force of the driving source 149 and disconnects (edge cutting) the shaft coupling 120 with the spring force of the coupling cutting spring 157.
  • the shaft coupling 120 is a so-called dog clutch or coupling.
  • the shaft coupling 120 includes a coupling half 115 provided in the power transmission mechanism 96 of the electric vacuum cleaner 3 and a coupling half 116 provided in the power transmission mechanism 151 of the station 2.
  • the joint half 115 includes a plurality of arc-shaped grooves 161 arranged in a circle.
  • the joint half 116 includes a plurality of shafts 162 arranged in a circle.
  • Each shaft 162 has a diameter dimension that allows the shaft 162 to enter and exit the arc-shaped groove 161.
  • the shaft 162 is preferably tapered so as to be easily inserted into the arc-shaped groove 161.
  • the joint half 116 is always rotated by the driving force transmitted by the power transmission mechanism 151.
  • the joint half 115 rotates together with the joint half 116 when the shaft joint 120 is joined.
  • the joint half 116 protrudes from the bulging portion 46 of the station 2 and is connected to the joint half 115.
  • the joint half 116 protrudes in the width direction of the cleaner body 7 from the bulging portion 46 disposed on the side of the cleaner body 7 and is connected to the joint half 115.
  • the coupler 156 has a direction in which the cleaner body 7 moves when the cleaner body 7 is disconnected from the station 2 and when the cleaner body 7 is returned to the station 2, that is, a direction that intersects the vertical direction.
  • the shaft coupling 120 is connected by allowing the half-joint half 116 to protrude from the bulging portion 46. For this reason, the coupler 156 can prevent, for example, dust from entering the station 2 from the gap between the bulging portion 46 and the joint half 116, and can assure good operation of the power transmission mechanism 151.
  • the joint half 116 protrudes from the bulging portion 46 in the width direction of the cleaner body 7 and is connected to the joint half 115, and is provided to protrude from the connection guide portion 148. 7 may be connected to the joint half 115 at the same time (in FIG. 13, a two-dot chain joint half 116). Further, the joint half 116 may be disposed in the dust collecting portion 42, projecting forward of the station 2, and connected to the joint half 115 (in FIG. 13, a two-dot chain joint half 116). ).
  • the joint cutting spring 157 is pulling the joint half 116 in the direction of breaking the shaft joint 120, that is, in the direction of separating from the joint half 115. In other words, the joint cutting spring 157 draws the joint half body 116 in a direction to be buried in the bulging portion 46.
  • the cam mechanism 158 is provided on the station 2 side.
  • the cam mechanism 158 is a so-called end face cam.
  • the cam mechanism 158 converts the rotational movement of the power transmission mechanism 151 into the linear movement of the joint half 116, that is, the movement of the joint half 116 in and out of the bulging portion 46, and the linear movement of the joint half 116 is appropriately performed.
  • the joint half 116 is rotated.
  • the cam mechanism 158 includes an original joint 163 rotated by the power transmission mechanism 151 and a follower 164 provided on the joint half 116.
  • the follower 164 is closest to the shaft 162 of the joint half 116 and extends in the circumferential direction of the joint half 116, that is, in the direction perpendicular to the rotation center line of the joint half 116, and the joint half 116.
  • a second cam surface 164b that is inclined with respect to the rotation center line and extends in the opposite direction of the shaft 162 of the joint half 116, and a third cam that is connected to the top of the second cam surface 164b and extends away from the first cam surface 164a.
  • a surface 164c The third cam surface 164 c extends substantially parallel to the rotation center line of the joint half 116.
  • the original node 163 has a shape that can be in line contact with the first cam surface 164a and the second cam surface 164b and can be in surface contact with the third cam surface 164c.
  • the original node 163 When the coupler 156 is not coupled, the original node 163 is applied to the first cam surface 164a of the follower 164 of the cam mechanism 158, or the original node 163 is closest to the first cam surface 164a. In this state, the joint half 116 enters the bulging portion 46 of the station 2 most.
  • the drive source 149 When the drive source 149 is started, the original node 163 rotates together with the gear 115c of the power transmission mechanism 151. The rotating original node 163 moves on the first cam surface 164a of the follower 164, approaches the second cam surface 164b, and eventually rides on the second cam surface 164b.
  • the joint half 116 protrudes from the bulging portion 46 by the force of the original node 163 pressing the second cam surface 164 b and is connected to the joint half 115.
  • the entire coupler 156 rotates in synchronization with the original joint 163.
  • joint half 116 is drawn into the bulging portion 46 by the spring force of the joint cutting spring 157.
  • This spring force generates an appropriate frictional force between the original joint 163 and the follower 164, so that the original joint 163 can reliably ride on the second cam surface 164 b of the follower 164.
  • the cam mechanism 158 looks at the joint half 115 of the cleaner body 7 from the joint half 116 of the station 2, and rotates either the forward direction (clockwise) or the reverse direction (counterclockwise) of the joint half 116.
  • the second cam surface 164b and the third cam surface 164c are provided.
  • the cam mechanism 158 has a pair of second cam surface 164b and third cam surface 164c that sandwich the first cam surface 164a therebetween.
  • the power transmission path 155 opens the waste lid 92 and the intake lid 94 by rotating the joint half 116 forward, and closes the waste lid 92 and the intake lid 94 by reversing the joint half 116.
  • One of the second cam surface 164b and the third cam surface 164c connects the coupler 156 with the forward rotation of the joint half 116, and opens the waste lid 92 and the intake lid 94.
  • the other second cam surface 164b and the third cam surface 164c connect the coupler 156 as the joint half 116 is reversed, and close the waste lid 92 and the intake lid 94.
  • the vacuum cleaner main body 7 is connected to the station 2, and the electric vacuum cleaner 1 shifts to the storage form. Then, the charging electrode 19 of the cleaner body 7 contacts the charging terminal 45 of the station 2 and is electrically connected to the charging terminal 45.
  • the entrance of the dust transfer pipe 43 is in close contact with the outer surface of the container body 78 of the primary dust container 13 through the body case disposal port 98 of the cleaner body 7.
  • the station controller 51 uses a detection method such as a charging circuit (not shown) connected to the charging terminal 45, a contact sensor (not shown) such as a microswitch, or a non-contact sensor (not shown) using an infrared sensor. 2 that the cleaner body 7 is connected.
  • a detection method such as a charging circuit (not shown) connected to the charging terminal 45, a contact sensor (not shown) such as a microswitch, or a non-contact sensor (not shown) using an infrared sensor. 2 that the cleaner body 7 is connected.
  • the station control unit 51 starts the drive source 149 in a timely manner.
  • the joint half 116 of the station 2 protrudes from the bulging portion 46 and is connected to the joint half 115 of the cleaner body 7. That is, the coupler 156 is coupled.
  • the station control unit 51 continues the operation of the drive source 149.
  • the power transmission path 155 to which the coupler 156 is coupled distributes and transmits the driving force of the driving source 149 to the waste
  • the waste lid 92 and the intake lid 94 are fully opened by the driving force transmitted from the power transmission path 155.
  • the dust removal mechanism 95 removes fine dust adhering to the filters 86 and 87 by the driving force transmitted from the power transmission path 155.
  • the station control unit 51 operates the drive source 149 continuously for an appropriate period in which the dust removal mechanism 95 removes fine dust attached to the filters 86 and 87, for example, 10 seconds, and then temporarily stops the drive source 149.
  • the station control unit 51 starts the secondary electric blower 49.
  • the started secondary electric blower 49 sucks air from the secondary dust container 48 and generates a negative pressure. That is, the secondary electric blower 49 applies a negative pressure to the secondary dust container 48 after the drive source 149 opens the disposal lid 92.
  • the secondary electric blower 49 applies a negative pressure to the secondary dust container 48 after the drive source 149 opens the intake lid 94.
  • the secondary electric blower 49 applies a negative pressure to the secondary dust container 48 after the drive source 149 drives the dust removal mechanism 95.
  • the negative pressure acting on the secondary dust container 48 acts on the primary dust container 13 through the dust transfer pipe 43 and the disposal port 91. Then, the primary dust container 13 sucks air from the air inlet 93. At this time, air is also sucked from the main body connection port 18. The air sucked into the primary dust container 13 causes the coarse dust in the coarse dust collection chamber 71 to flow out from the coarse dust disposal port 101 to the dust transfer pipe 43, and the fine dust in the filter chamber 72 to flow into the fine dust disposal port 102. To the dust transfer pipe 43. Dust that has flowed into the dust transfer tube 43 (dust mixed with coarse dust and fine dust) is sucked into the secondary dust container 48 through the dust transfer tube 43.
  • the first centrifugal separator 144 of the secondary dust container 48 separates and accumulates coarse dust from the dust flowing from the dust transfer pipe 43.
  • the second centrifugal separator 145 separates and accumulates fine dust passing through the first centrifugal separator 144.
  • the electric vacuum cleaner 3 includes a first separation unit 68 and a communication air passage 66 that are disposed between the primary electric blower 15 and the filter unit 69 and are provided side by side. That is, the vacuum cleaner 3 arranges the first separation part 68 and the communication air passage 66 which are mere spaces at any time during the use period, and these are arranged in the center with the relatively heavy filter part 69 and the primary electric motor. It is sandwiched between the blower 15. For this reason, the vacuum cleaner 3 has a significantly different layout from the conventional electric vacuum cleaner, the primary electric blower 15, the filter unit 69, and the first separation unit 68, and has a weight distribution that is significantly different from that of the conventional vacuum cleaner. And contributes to improvement of nimbleness.
  • the vacuum cleaner 3 includes the first separating unit 68 that separates relatively heavy dust from the air by the difference in inertia force acting on the dust and air by causing the air containing the dust to go straight. I have. Therefore, the vacuum cleaner 3 can easily attach the first separation portion 68, which is a simple space at any time during the use period, to the communication air passage 66, and the vacuum cleaner body 7 can be downsized. Contributes to weight reduction.
  • the vacuum cleaner 3 includes a filter unit 69 that separates dust from air containing dust that passes through the first separation unit 68. That is, the electric vacuum cleaner 3 sandwiches the first separation portion 68 and the communication air passage 66 that are mere spaces at any time during the use period between the relatively heavy filter portion 69 and the primary electric blower 15. It is out. For this reason, the vacuum cleaner 3 has a significantly different layout from the conventional electric vacuum cleaner, the primary electric blower 15, the filter unit 69, and the first separation unit 68, and has a weight distribution that is significantly different from that of the conventional vacuum cleaner. And contributes to improvement of nimbleness.
  • the vacuum cleaner 3 removes coarse dust that is relatively heavy compared to fine dust among the dust separated by the first separation unit 68 along with the first separation unit 68 and the communication air passage 66.
  • a coarse dust collection chamber 71 for accumulation is provided.
  • the coarse dust collection chamber 71 is a space for storing coarse dust that is extremely light compared to the weight of the main body, and the weight of the coarse dust collection chamber 71 is extremely light compared to the filter unit 69. That is, in the vacuum cleaner 3, relatively light parts such as the first separation part 68, the communication air passage 66, and the coarse dust collection chamber 71 are arranged between the primary electric blower 15 and the filter part 69. Yes.
  • the vacuum cleaner 3 has a significantly different layout from the conventional electric vacuum cleaner, the primary electric blower 15, the filter unit 69, and the first separation unit 68, and has a weight distribution that is significantly different from that of the conventional vacuum cleaner. And contributes to improvement of nimbleness.
  • the vacuum cleaner 3 includes a main body case 11 having a main body connection port 18 connected to the first separation portion 68 in the center in the width direction, a pair of wheels 12 that support the main body case 11 so as to travel, A primary electric blower 15 sandwiched between a pair of wheels 12, a first separation unit 68, a filter unit 69, and a communication air passage 66 are provided.
  • the 1st separation part 68 is arranged in the width direction central part of body case 11, filter part 69 is biased to one side of body case 11, and primary electric blower 15 is the other side of body case 11. It is biased to the side. That is, the vacuum cleaner 3 supports the relatively heavy filter part 69 and the primary electric blower 15 with the nearest wheels 12. Therefore, the vacuum cleaner 3 greatly improves the lightness of handling.
  • the vacuum cleaner 3 includes a secondary battery 17 disposed on the opposite side of the main body connection port 18 across the rotation center line of the wheel 12.
  • a secondary battery 17 disposed on the opposite side of the main body connection port 18 across the rotation center line of the wheel 12.
  • the vacuum cleaner 3 includes the secondary battery 17 surrounding the coarse dust collection chamber 71. Therefore, the vacuum cleaner 3 cools the outer wall of the coarse dust collection chamber 71 by the flow of air passing through the coarse dust collection chamber 71, and cools the secondary battery 17 that generates heat due to discharge by cooling the outer wall. .
  • the weight distribution of the vacuum cleaner body 7 is excellent, and the lightness of handling can be improved.
  • Power transmission mechanism 97 ... Machine room, 98 ... Main body case waste port, 99 ... Shaft 101 ... Coarse dust outlet, 102 ... Fine dust outlet, 103 ... , 105 ... rack, 105 a ... hole, 105 b ... tooth, 106 ... driven part, 107 ... gear, 107 a ... tooth, 108 ... frame, 109 ... slider, 111 ... dust remover, 112 ... rail, 115 ... half of joint, 116: Joint half body, 117: First transmission mechanism, 118: Second transmission mechanism, 119: Third transmission mechanism, 120: Shaft coupling, 121: First gear, 122: Second gear, 123: Lever portion, 123a ... teeth, 124 ...

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Electric Suction Cleaners (AREA)
  • Electric Vacuum Cleaner (AREA)
PCT/JP2017/020615 2016-11-30 2017-06-02 電気掃除機 WO2018100774A1 (ja)

Priority Applications (2)

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CN201780073106.6A CN109996480B (zh) 2016-11-30 2017-06-02 电动吸尘器
KR1020197015159A KR102268464B1 (ko) 2016-11-30 2017-06-02 전기 청소기

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JP2016232485A JP6875837B2 (ja) 2016-11-30 2016-11-30 電気掃除機
JP2016-232485 2016-11-30

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JP7088753B2 (ja) * 2018-06-20 2022-06-21 東芝ライフスタイル株式会社 集塵装置および電気掃除機
CN112914417B (zh) * 2019-12-05 2022-03-22 东芝生活电器株式会社 集尘装置以及电动吸尘器

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JP2018088952A (ja) 2018-06-14
JP6875837B2 (ja) 2021-05-26
CN109996480B (zh) 2023-08-04
KR20190073494A (ko) 2019-06-26
CN109996480A (zh) 2019-07-09
KR102268464B1 (ko) 2021-06-24

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