WO2014162773A1 - Dispositif de nettoyage - Google Patents

Dispositif de nettoyage Download PDF

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Publication number
WO2014162773A1
WO2014162773A1 PCT/JP2014/052680 JP2014052680W WO2014162773A1 WO 2014162773 A1 WO2014162773 A1 WO 2014162773A1 JP 2014052680 W JP2014052680 W JP 2014052680W WO 2014162773 A1 WO2014162773 A1 WO 2014162773A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
motor
cleaner
brushless motor
circuit board
Prior art date
Application number
PCT/JP2014/052680
Other languages
English (en)
Japanese (ja)
Inventor
雅 伊藤
秀明 高野
Original Assignee
株式会社 マキタ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2013076254A external-priority patent/JP6236215B2/ja
Priority claimed from JP2013083185A external-priority patent/JP6283470B2/ja
Application filed by 株式会社 マキタ filed Critical 株式会社 マキタ
Publication of WO2014162773A1 publication Critical patent/WO2014162773A1/fr

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—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
    • 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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/24—Hand-supported 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
    • 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
    • A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
    • 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
    • A47L9/22—Mountings for motor fan assemblies
    • 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

Definitions

  • the present invention relates to a cleaner using a brushless motor.
  • the cleaner includes a motor housing, a grip housing connected to the rear part of the motor housing, a dust collecting housing connected to the front part of the motor housing, and a battery holding housing connected to the grip housing. It has been known.
  • an object of the present invention is to provide a cleaner with a good balance and a cleaner capable of obtaining a suitable vibration isolation effect.
  • the invention described in claim 1 is a cleaner, which is a motor housing, a grip housing connected to the rear part of the motor housing, a dust collecting housing connected to the front part of the motor housing, and a grip housing.
  • a cleaner having a battery holding housing connected to the motor housing, and a brushless motor housed in the motor housing, the fan having a fan rotating by the brushless motor, and the brushless motor being arranged in front of the battery holding housing It is characterized by that.
  • the invention according to claim 2 is a cleaner, comprising a motor housing, a grip housing, a dust collecting housing, a battery holding housing, a brushless motor housed in the motor housing, and a brushless motor.
  • the brushless motor is of an inner rotor type.
  • a control circuit board for controlling the rotation of the brushless motor is housed inside the motor housing.
  • the sensor circuit board is fixed to the brushless motor.
  • an exhaust port is formed in the motor housing, and the accommodating portion of the control circuit board is adjacent to the exhaust port. It is.
  • an operation switch for driving the brushless motor is provided, and the control circuit board faces the operation switch. is there.
  • the brushless motor is housed in a case composed of a pair of left and right halved cases, and the case is connected to a base that is elastically held in the housing. It is a feature.
  • the invention according to claim 8 is a cleaner, which is a brushless motor, a motor housing that houses the brushless motor, a dust collecting housing that is provided in front of the motor housing and has a suction port disposed in a front portion thereof, and a motor It has a grip housing provided at the rear of the housing and a battery holding housing to which a battery can be attached, and an elastic member is disposed between the motor housing and the brushless motor.
  • the invention according to claim 9 is a cleaner, which is a brushless motor, a motor housing that houses the brushless motor, a dust collecting housing that is provided in front of the motor housing and has a suction port disposed in a front portion thereof, and a motor
  • the motor housing has a grip housing provided at the rear of the housing and a battery holding housing to which a battery can be attached.
  • the motor housing elastically holds the brushless motor.
  • the invention described in claim 10 is a cleaner, which is provided with a blower unit including a brushless motor and a fan, a motor housing that houses the blower unit, a front of the motor housing, and a suction port disposed at a front portion. And an elastic member interposed between the front portion of the blower unit and the motor housing.
  • the invention according to claim 11 is a cleaner, which is provided with a blower unit including a brushless motor and a fan, a motor housing that houses the blower unit, a front of the motor housing, and a suction port disposed at a front portion. And an elastic member interposed between the rear part of the blower unit and the motor housing.
  • the invention according to claim 12 is a cleaner, which is provided with a blower unit including a brushless motor and a fan, a motor housing that houses the blower unit, a front of the motor housing, and a suction port disposed at a front portion. And an elastic member disposed on the outer periphery of the brushless motor.
  • a good balance can be expected and improvement in operability and workability can be expected.
  • wiring can be performed easily.
  • the control circuit board can be cooled by the air flow.
  • a suitable vibration isolating effect can be obtained.
  • FIG. 3 is a sectional view taken along line AA in FIG. 2.
  • FIG. 3 is a sectional view taken along line BB in FIG. It is a disassembled perspective view of a brushless motor, a case, and a base.
  • FIG. 3 is a cross-sectional view taken along the line CC of FIG. It is a longitudinal cross-sectional view of the cleaner of form 2.
  • FIG. 8 is a sectional view taken along line DD of FIG. It is a perspective view of a motor housing part.
  • FIG. 9 is a cross-sectional view taken along the line EE of FIG. It is a longitudinal cross-sectional view of the cleaner of form 3.
  • FIG. 12 is a sectional view taken along line FF in FIG. 11.
  • FIG. 12 is a sectional view taken along line GG in FIG.
  • It is a perspective view of the cleaner of form 4.
  • It is a longitudinal cross-sectional view of the cleaner of form 4.
  • FIG. 16 is a sectional view taken along line AA in FIG.
  • FIG. 16 is a sectional view taken along line BB in FIG.
  • It is a disassembled perspective view of a brushless motor, a case, and a base.
  • It is CC sectional view taken on the line of FIG.
  • FIG. 16 is a sectional view taken along line DD in FIG. 15.
  • It is a longitudinal cross-sectional view of the cleaner of form 5.
  • It is a perspective view of the left half housing and a ventilation unit.
  • It is a longitudinal cross-sectional view of the cleaner of form 6.
  • It is a disassembled perspective view of a brushless motor, a case, and a base.
  • FIG. 1 is a perspective view showing an example of the cleaner
  • FIG. 2 is a longitudinal sectional view thereof
  • the cleaner 1 has a housing 2 in which left and right half housings 2a, 2b are assembled by screws 3, 3,.
  • the housing 2 is connected to a motor housing 4 positioned substantially in the center in the front-rear direction (the right side in FIG. 1 is the front), a grip housing 5 connected to the rear portion of the motor housing 4, and a front portion of the motor housing 4.
  • a dust collecting housing 6 and a battery holding housing 7 connected to the grip housing 5 are formed.
  • a battery pack 8 serving as a power source is mounted on the battery holding housing 7.
  • the battery pack 8 is mounted by sliding slide rails 9 and 9 provided on the left and right sides of the upper surface between the guide rails 10 and 10 provided on the left and right of the battery holding housing 7 and sliding them forward.
  • terminals (not shown) provided on the battery pack 8 are coupled to the terminal block 11 provided on the battery holding housing 7 so that both are electrically connected.
  • the battery pack 8 is located at the end of the housing 2.
  • a button 12 that can be removed from the battery holding housing 7 by a finger operation is provided on the rear surface of the battery pack 8, and a strap 13 is provided between the grip housing 5 and the battery holding housing 7 at the top thereof. It has been.
  • control circuit board 14 and the brushless motor 15 are accommodated in the motor housing 2, respectively.
  • the control circuit board 14 is molded with resin and is held in an inclined posture with the front end facing upward by receiving seats 16 and 16 erected on the inner surfaces of the half housings 2a and 2b, respectively. 17 is electrically connected to the terminal block 11.
  • a microcomputer 18 is mounted on the upper surface of the control circuit board 14, and six switching elements 19, 19. -Is installed.
  • a smoothing capacitor 14 a for smoothing the voltage input from the battery power supply line 17 is mounted on the upper surface of the control circuit board 14.
  • the signal lead wire 41, the lead wires 26 and 27, and the switch lead wire 21, which will be described later are all connected to the upper surface of the control circuit board 14, the assembly of the control circuit board 14 is possible. Will improve.
  • control circuit board 14 is electrically connected to the operation switch 20 provided on the upper portion of the grip housing 5 via the switch lead wires 21 and 21.
  • This operation switch 20 is a pressing type in which the front side is an ON button 22 and the rear side is an OFF button 23.
  • a notification LED 24 for notifying the remaining battery level and an illumination LED 25 are accommodated. Then, they are electrically connected to the control circuit board 14 by lead wires 26 and 27, respectively.
  • Reference numeral 28 denotes a lens provided on the irradiation side of the LEDs 24 and 25.
  • the brushless motor 15 includes a stator core 29 around which a coil 31 is wound via an electrical insulating member 30 on the inner peripheral side, a rotor shaft 34 having a rotating shaft 33 at the center, and a rotor 32 provided with a rotor core 34 and four permanent magnets.
  • a disc-shaped sensor circuit board 35 is screwed to the rear end of the electrical insulating member 30.
  • the coil 31 is electrically connected to the sensor circuit board 35 by extending the terminal rearward and penetrating the sensor circuit board 35.
  • 37 is a screw for attaching the sensor circuit board 35
  • 38 is a protrusion protruding from the rear end face of the electrical insulating member 30 and fitting into a small hole of the sensor circuit board 35
  • 39 is a coil connecting portion.
  • an upward projecting piece 35a is formed on the upper part of the sensor circuit board 35, to which the output power supply line 40 from the control circuit board 14 and the signal lead wire 41 of the rotation detecting element 36 are respectively connected. ing. Since the output power supply line 40 and the signal lead wire 41 are connected to the rear surface of the sensor circuit board 35, the assemblability is improved.
  • the brushless motor 15 including the sensor circuit board 35 is held in a cylindrical case 42 having a front portion opened and a rear portion closed. As shown in FIG. 5, this case 42 is divided into left and right half cases 43, 43 including a semicircular rear plate 44 and a semi-cylindrical side plate 45. The bosses 46 provided and the bosses 47, 47 protruding from the upper and lower sides of the side plates 45 are joined together by screws 48. The left and right rear plates 44, 44 are respectively provided with bearing holding recesses 44a for holding a bearing 49 that supports the rear end of the rotary shaft 33 in the assembled state.
  • each side plate 45 behind the boss 47, a notch 50 is formed through the protruding piece 35a of the sensor circuit board 35, and a plurality of through holes 51, 51 are formed on the side surface.
  • a pair of connecting pieces 52, 52 are projected in the front.
  • the case 42 is connected to a base 53 disposed in front of the case 42.
  • the base 53 includes an inner ring 54 having a slightly larger diameter than the case 42, an outer ring 55 having a larger diameter than the inner ring 54, and a spiral rib 56 that concentrically connects the inner ring 54 and the outer ring 55. , 56... And a closing plate 57 that closes the front of the inner ring 54.
  • Four bosses 58, 58... Corresponding to the connecting pieces 52, 52 of the case 42 are formed on the outer side of the inner ring 54. Therefore, by screwing the screw 59 penetrating each connecting piece 52 into the boss 58, the case 42 is inserted into the inner ring 54 and connected to the closing plate 57 as shown in FIG.
  • the rotating shaft 33 of the brushless motor 15 passes through the closing plate 57 and protrudes forward.
  • a bearing 60 is supported by a bearing holding portion 57 a provided on the closing plate 57 and supports the rotary shaft 33.
  • a fan 61 is fixed to the front end of the rotary shaft 33.
  • a baffle body 62 is provided in front of the base 53.
  • the baffle body 62 has a cup shape larger in diameter than the fan 61 that covers the fan 61 from the front, and a large diameter portion 63 formed at the rear end is fitted to the outer ring 55 of the base 53 so that the baffle body 62 is 53.
  • a projecting portion 64 having a vent hole (not shown) is formed at the front center of the baffle body 62.
  • the base 53 and the baffle body 62 are held between partition walls 65 and 65 that are erected on the inner surface of the motor housing 4 at a predetermined interval in the front-rear direction.
  • a rubber ring 66 is packaged.
  • the front end of the rubber ring 66 abuts the front partition wall 65 beyond the front end of the baffle body 62, and the rear end of the rubber ring 66 abuts the rear partition wall 65 beyond the rear end of the base 53. Yes. Therefore, the base 53 and the baffle body 62 are held by the motor housing 4 via the rubber ring 66 without directly contacting the motor housing 4.
  • Reference numeral 67 denotes a protrusion protruding from the outer periphery of the outer ring 55, and the rubber ring 66 has a protrusion 68 into which the protrusion 67 is fitted.
  • the protrusions 68 are fitted into recesses (not shown) provided in the inner surface of the motor housing 4 so that the rotation of the rubber ring 66 and the base 53 is restricted.
  • 69 is an exhaust port formed on the side surface of the motor housing 4 behind the brushless motor 15, and a sponge plate 70 that covers the exhaust port 69 from the inside is attached to the inner surface of the motor housing 4.
  • the dust collection housing 6 has a dust collection chamber 71 formed therein, and a suction cylinder 72 communicating with the dust collection chamber 71 is mounted in front of the dust collection chamber 71. 73 is a check valve provided at the rear end of the suction cylinder 72.
  • the dust collection chamber 71 accommodates a bag-shaped paper pack 74 that communicates with the suction cylinder 72. Furthermore, an opening 75 is formed in the upper part of the dust collecting housing 6, and a lid 76 is provided in the opening 75.
  • the lid 76 is rotatably connected about a shaft 77 disposed at the upper rear of the dust collecting housing 6 and is urged to rotate to the open side via a torsion spring 78.
  • the microcomputer 18 of the control circuit board 14 obtains a rotation detection signal indicating the position of the magnet of the rotor 32 from the rotation detection element 36 of the sensor circuit board 35 via the signal lead wire 41, thereby rotating the rotor 32.
  • the state is acquired, the ON / OFF of each switching element 19 is controlled according to the acquired rotation state, and the rotor 32 is caused to flow through each coil 31 of the stator core 29 through the output power line 40 in order. It is intended to rotate.
  • the dust sucked together with the outside air from the suction cylinder 72 is captured by the paper pack 74 and stored in the paper pack 74. If dust accumulates, the paper pack 74 can be taken out from the opening 75 if the cover 76 is opened by pressing the button 80.
  • the control circuit board 14 and the switching element 19 on the lower surface thereof are also passed through the mold by this air flow.
  • the notch 50 and the through hole 51 are formed in the case 42 that holds the brushless motor 15, a part of the air flow passes through the case 42, and the sensor circuit board is caused by this air flow. 35 is also cooled.
  • the base 53 supporting the brushless motor 15 is held by the motor housing 4 through the rubber ring 66 together with the baffle body 62, vibration generated by the rotation of the fan 61 is not easily transmitted to the motor housing 4.
  • the rear bearing 49 that supports the rotating shaft 33 is held by the case 42 and the brushless motor 15 is not in contact with the motor housing 4, the vibration of the brushless motor 15 is less likely to be transmitted. .
  • the cleaner 1 of the said form 1 since the brushless motor 15 is arrange
  • the brushless motor is accommodated in a case composed of a pair of half cases and the case is assembled to the base.
  • the case is used as a base by using a brushless motor housed in a case that is not half. You may make it assemble to.
  • the control circuit board 14 is divided into a first control circuit board 14A on which a microcomputer 18 is mounted and a second control circuit board 14B on which a switching element 19 is mounted.
  • one of the receiving seats 16 is provided with a partitioning portion 16a that is inserted between the control circuit boards 14A and 14B so that the control circuit boards 14A and 14B are not in contact with each other.
  • the second control circuit board 14B is provided with a heat sink 81 that covers the switching element 19 and dissipates heat from the switching element 19.
  • a lead wire 82 connects the control circuit boards 14A and 14B.
  • the brushless motor 15 here is not covered with a case, and the stator core 29 is directly inserted into the inner ring 54 of the base 53, and as shown in FIGS. 9 and 10, the left and right half housings 2a, 2b It is hold
  • 57b is an abutting portion that stands on the rear surface of the closing plate 57 and positions the stator core 29 when the front end of the electrical insulating member 30 on the front side comes into contact therewith.
  • the assembly seat 83 includes a bearing holding portion 84 having a bearing holding recess 84 a that holds the bearing 49 on the rear end side of the rotating shaft 33, and a stator holding portion 85 that holds the stator core 29.
  • a stepped shape 84 is higher than the stator holding portion 85.
  • the cleaner 1A of the above-described form 2 by arranging the brushless motor 15 in front of the battery holding housing 7, the overall balance is improved and operability and workability can be expected to be improved.
  • the first and second control circuit boards 14A and 14B are accommodated in the motor housing 4, the distance between the control circuit boards 14A and 14B and the brushless motor 15 is reduced, and wiring can be performed easily.
  • the sensor circuit board 35 is fixed to the brushless motor 15, wiring between the control circuit board 14 and the sensor circuit board 35 is facilitated.
  • the number of housings used as a whole is smaller than that of the first embodiment, which is advantageous in terms of cost.
  • the switching element 19 is not provided in the control circuit board 14 as shown in FIG. 12, but is mounted on the rear surface of the sensor circuit board 35 as shown in FIG. Is different from Form 1.
  • Other configurations are the same as those of the first embodiment. Therefore, also in the cleaner 1B of the third aspect, by arranging the brushless motor 15 in front of the battery holding housing 7, the overall balance is improved and operability and workability can be expected to be improved. Further, since the control circuit board 14 is accommodated in the motor housing 4, the distance between the control circuit board 14 and the brushless motor 15 is reduced, and wiring can be performed easily. In particular, since the sensor circuit board 35 is fixed to the brushless motor 15, wiring between the control circuit board 14 and the sensor circuit board 35 is facilitated.
  • FIG. 14 is a perspective view showing an example of the cleaner
  • FIG. 15 is a longitudinal sectional view thereof
  • the cleaner 101 has a housing 102 in which left and right half housings 102a, 102b are assembled by screws 103, 103,.
  • the housing 102 is connected to a motor housing 104 located substantially in the center in the front-rear direction (the right side in FIG. 14 is the front), a grip housing 105 connected to the rear portion of the motor housing 104, and a front portion of the motor housing 104.
  • a dust collection housing 106 and a battery holding housing 107 connected to the grip housing 105 are formed.
  • a battery pack 108 serving as a power source is attached to the battery holding housing 107.
  • the battery pack 108 is mounted by fitting slide rails 109, 109 provided on the left and right sides of the upper surface between the guide rails 110, 110 provided on the left and right of the battery holding housing 107 from the rear and sliding them forward.
  • terminals (not shown) provided on the battery pack 108 are coupled to the terminal block 111 provided on the battery holding housing 107, and both are electrically connected.
  • the battery pack 108 is located at the end of the housing 102.
  • a button 112 that can be removed from the battery holding housing 107 by a finger operation is provided on the rear surface of the battery pack 108, and a strap 113 is provided between the grip housing 105 and the battery holding housing 107 at the top thereof. It has been.
  • a control circuit board 114 and a brushless motor 115 are accommodated in the motor housing 102, respectively.
  • the control circuit board 114 is molded with resin, and is held in an inclined posture with the front end facing upward by receiving seats 116 and 116 erected on the inner surfaces of the half housings 102a and 102b, respectively. It is electrically connected to the terminal block 111 via 117.
  • a microcomputer 118 is mounted on the upper surface of the control circuit board 114, and six switching elements 119, 119, 119 for controlling the brushless motor 115 are mounted on the lower surface of the control circuit board 114. -Is installed.
  • a smoothing capacitor 120 for smoothing the voltage input from the battery power line 117 is mounted on the upper surface of the control circuit board 114.
  • the battery power supply line 117, the signal lead wire 142, the lead wires 127 and 128, and the switch lead wire 122, which will be described later, are all connected to the upper surface of the control circuit board 114, the assembly of the control circuit board 114 is possible. Will improve.
  • control circuit board 114 is electrically connected to the operation switch 121 provided on the upper portion of the grip housing 105 via the switch lead wires 122 and 122.
  • the operation switch 121 is a push type that has an ON button 123 on the front side and an OFF button 124 on the rear side.
  • a notification LED 125 that informs the remaining battery level and an illumination LED 126 are accommodated.
  • the control circuit board 114 is electrically connected by lead wires 127 and 128, respectively.
  • Reference numeral 129 denotes a lens provided on the irradiation side of the LEDs 125 and 126.
  • the brushless motor 115 includes a stator core 130 in which a coil 132 is wound via an electric insulating member 131 on the inner peripheral side, a rotating shaft 134 in the center, and a rotor 133 including a rotor core 135 and four permanent magnets.
  • a disk-shaped sensor circuit board 136 is screwed to the rear end of the electrical insulating member 131.
  • a coil 132 is electrically connected to the sensor circuit board 136 by extending the terminal rearward and penetrating the sensor circuit board 136.
  • Reference numeral 138 denotes a screw for attaching the sensor circuit board 136
  • 139 is a protrusion protruding from the rear end surface of the electric insulating member 131 and fitted into a small hole of the sensor circuit board 136
  • 140 is a coil connecting portion.
  • an upward projecting piece 136a is formed on the upper part of the sensor circuit board 136, and an output power supply line 141 from the control circuit board 114 and a signal lead wire 142 of the rotation detecting element 137 are connected to the upper protruding piece 136a, respectively. ing. Since the output power supply line 141 and the signal lead wire 142 are connected to the rear surface of the sensor circuit board 136, the assemblability is improved.
  • the brushless motor 115 including the sensor circuit board 136 is held in a cylindrical case 143 that is open at the front and closed at the rear.
  • the case 143 is divided into two right and left half cases 144, 144 composed of a semicircular rear plate 145 and a semi-cylindrical side plate 146.
  • the projecting bosses 147 and 147 are assembled by being coupled to each other with a screw 148.
  • the left and right rear plates 145 and 145 are respectively provided with bearing holding recesses 150 for holding a bearing 149 that supports the rear end of the rotating shaft 134 in the assembled state.
  • each side plate 146 behind the boss 147, a notch 151 that penetrates the protruding piece 136a of the sensor circuit board 136 is formed, and a plurality of through holes 152, 152 are formed on the side surface.
  • a pair of connecting pieces 153 and 153 protrude from the front.
  • the case 143 is connected to a base 154 disposed in front of the case 143.
  • the base 154 includes an inner ring 155 having a slightly larger diameter than the case 143, an outer ring 156 having a larger diameter than the inner ring 155, and a spiral rib 157 that concentrically connects the inner ring 155 and the outer ring 156. , 157... And a closing plate 158 that closes the front of the inner ring 155.
  • Four bosses 159, 159, corresponding to the connecting pieces 153, 153 of the case 143 are formed on the outer side of the inner ring 155.
  • Reference numeral 161 denotes a bearing that is held by a bearing holding portion 162 provided on the closing plate 158 and supports the rotating shaft 134.
  • a fan 163 is fixed to the front end of the rotating shaft 134.
  • a baffle body 164 is provided in front of the base 154.
  • the baffle body 164 has a cup shape larger in diameter than the fan 163 that covers the fan 163 from the front, and the baffle body 164 is fitted to the outer ring 156 of the base 154 by fitting a large diameter portion 165 formed at the rear end. 154.
  • a projecting portion 166 that forms a vent 166a (FIG. 20) is formed.
  • the base 154 and the baffle body 164 in which the brushless motor 115 is incorporated in this way are erected on the inner surfaces of the half housings 102 a and 102 b as the air blowing unit U, and partition walls 167 that partition the motor housing 104 and the dust collecting housing 106. , 167, but here, the blower unit U is elastically held in the motor housing 104 by using a rubber cover 168 and a rubber cap 169 as elastic members.
  • the rubber cover 168 covers the peripheral surface of the outer ring 156 of the base 154 and the peripheral surface of the baffle body 164, and covers the front portion of the baffle body 164 with the front tapered and the front end of the cover portion 170.
  • the cover portion 170 is formed with a protruding portion 170 a that fits with the large-diameter portion 165 of the baffle body 164, and is formed in the cover portion 170.
  • a ring-shaped concave groove 172 is formed on the outer periphery of 171.
  • each partition wall 167 is formed with a semicircular cutout 167a, and the cylindrical portion 171 is set at a position where the concave groove 172 is fitted into the cutout 167a to halve the housings 102a and 102b.
  • the rubber cover 168 is held at a position where the cylindrical portion 171 is sandwiched between the partition walls 167, and the baffle body 164 is positioned at a position where the protruding portion 166 of the baffle body 164 protrudes into the cylindrical portion 171.
  • Reference numeral 173 denotes a protrusion projecting from the outer periphery of the outer ring 156, and a protrusion 174 into which the protrusion 173 is fitted is formed in the cover part 170.
  • the protrusions 174 are fitted into recesses (not shown) provided in the inner surface of the motor housing 104, so that the rotation of the cover 170 and the base 154 is restricted.
  • the rear end of the cover portion 170 is a reduced diameter portion 170c that protrudes rearward from the base 154 and has a tapered shape.
  • the rubber cap 169 has a rear surface portion 169a and a peripheral portion 169b, and is attached across the bearing holding recesses 150 and 150 of each half case 144.
  • holding rods 175 and 175 protrude from the inner surfaces of the left and right half housings 102 a and 102 b toward the center, and have a U-shaped cross section formed at the tip of each holding rod 175.
  • the rear end of the case 143 is held by the holding rods 175 and 175 via the rubber cap 169 by fitting the front end portion 176 of the rubber cap 169 half by half.
  • the holding rod 175 is not in contact with the case 143.
  • 177, 177,... Are exhaust ports formed on the side surface of the motor housing 104 behind the holding rod 175.
  • a sponge plate 178 is attached to the inner surface of the motor housing 104 to cover the exhaust port 177 from the inside. Yes.
  • the dust collection housing 106 has a dust collection chamber 179 formed therein, and a suction cylinder 180 that opens a suction port 180a at the front end that communicates with the dust collection chamber 179 is mounted in front of the dust collection chamber 179.
  • Reference numeral 181 denotes a check valve provided at the rear end of the suction cylinder 180.
  • the dust collection chamber 179 accommodates a bag-shaped paper pack 182 that communicates with the suction cylinder 180.
  • an opening 183 is formed in the upper part of the dust collecting housing 106, and a lid 184 is provided in the opening 183.
  • the lid 184 is rotatably connected around a shaft 185 disposed at the upper rear of the dust collecting housing 106 and is urged to rotate to the open side via a torsion spring 186.
  • the front end of the lid 184 is locked to a stopper 187 provided at the front end of the opening 183, and the closed state is maintained.
  • the button 188 provided at the front end of the dust collecting housing 106 is pushed in, the lid 184 with the stopper 187 released is opened.
  • the microcomputer 118 of the control circuit board 114 obtains a rotation detection signal indicating the position of the magnet of the rotor 133 from the rotation detection element 137 of the sensor circuit board 136 through the signal lead wire 142, thereby rotating the rotor 133.
  • the state is acquired, the ON / OFF of each switching element 119 is controlled according to the acquired rotation state, and the rotor 133 is made to flow through each coil 132 of the stator core 130 through the output power line 141 in order. It is intended to rotate.
  • the outside air is sucked from the suction cylinder 180 and passes through the paper pack 182 in the dust collecting chamber 179, and passes through the protruding portion 166 of the baffle body 164.
  • the air sent out to the outer periphery of the fan 163 is changed in the rear direction by the baffle body 164, and is rectified between the inner ring 155 and the outer ring 156 of the base 154 through the ribs 157 and flows rearward. It is discharged from the mouth 177 to the outside.
  • the dust sucked together with the outside air from the suction cylinder 180 is captured by the paper pack 182 and stored in the paper pack 182. If dust accumulates, the paper pack 182 can be taken out from the opening 183 by opening the lid 184 by pushing the button 188.
  • the control circuit board 114 and the switching element 119 on the lower surface thereof also pass through the mold by this air flow. To be cooled.
  • a notch 151 and a through hole 152 are formed in the case 143 that holds the brushless motor 115, a part of the air flow passes through the case 143, and this air flow causes the sensor circuit board. 136 is also cooled.
  • the blower unit U Since the blower unit U is elastically held in the housing 102 via the rubber cover 168 and the rubber cap 169, vibration generated by the rotation of the fan 163 is difficult to be transmitted to the housing 102.
  • the cylindrical portion 171 of the rubber cover 168 since the cylindrical portion 171 of the rubber cover 168 is held by the housing 102, it can be held near the center of the fan 163 where the vibration is small, and the vibration transmitted to the housing 102 can be effectively reduced.
  • the tubular portion 171 also serves to seal between the rubber cover 168 and the partition wall 167 by fitting the partition wall 167 into the concave groove 172.
  • the stepped portion 170b of the cover portion 170 is in contact with the small wall 167b on the rear side, so that the sealing performance is further improved.
  • the rubber cover 168 and the rubber cap 169 are interposed between the blower unit U and the motor housing 104, so that a suitable vibration isolating effect can be obtained.
  • the shapes of the rubber cover and the rubber cap, which are elastic members, can be changed as appropriate, and the holding rods may protrude from the top and bottom instead of the left and right sides, or the number of holding rods may be increased.
  • the cleaner 101A shown in FIG. 21 is different from Embodiment 4 in that the rear end of the case 143 that accommodates the brushless motor 115 is not held by the motor housing 104 via a rubber cap.
  • bosses 189 are respectively provided in the bearing holding recesses 150 of the rear plate 145 of each half case 144, and the bosses 189 are coupled to each other by screws 190. We are assembling.
  • the rubber cover 168 is interposed between the blower unit U and the motor housing 104, so that a suitable vibration isolation effect can be obtained.
  • a rubber cap and a holding rod are not provided here, it is more advantageous than the fourth embodiment in terms of cost.
  • the rubber cover 168 and the rubber sleeve 192 are interposed between the blower unit U and the motor housing 104, so that a suitable vibration isolation effect can be obtained.
  • excessive elastic deformation of the rubber sleeve 192 is prevented by contacting the tip of the small diameter portion 195 and the bottom of the cylindrical portion 191.
  • the cylindrical portion is provided on the case side to accommodate the rubber sleeve, and the support boss is provided on the housing side.
  • the support boss is provided on the case side and the cylindrical portion is provided on the housing side. A rubber sleeve may be accommodated.
  • the positions of the control circuit board and the operation switch can be appropriately changed, and the operation switch may be a trigger type instead of a push button type.
  • the battery pack is not limited to the above-described form, for example, adopting a structure for inserting and attaching the battery pack without being limited to the slide attachment.
  • six switching elements are mounted on a sensor circuit board. In this case, it may be arranged between the rear plate and the sensor circuit board.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Brushless Motors (AREA)

Abstract

Le problème de l'invention consiste à proposer un dispositif de nettoyage ayant un bon équilibre. La solution proposée par l'invention est un dispositif de nettoyage (1) ayant : un logement (2) doté d'un logement de moteur (4), un logement de prise (5) relié à l'arrière du logement de moteur (4), un logement de récupération de saleté (6) relié à l'avant du logement de moteur (4) et un logement de support de batterie (7) relié au logement de prise (5) ; et un moteur sans balais (15) situé dans le logement de moteur (4). Le dispositif de nettoyage dispose également d'un ventilateur (61) mis en rotation par le moteur sans balais (15), le moteur sans balais (15) étant disposé en avant du logement de support de batterie (7).
PCT/JP2014/052680 2013-04-01 2014-02-05 Dispositif de nettoyage WO2014162773A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2013-076254 2013-04-01
JP2013076254A JP6236215B2 (ja) 2013-04-01 2013-04-01 クリーナ
JP2013-083185 2013-04-11
JP2013083185A JP6283470B2 (ja) 2013-04-11 2013-04-11 クリーナ

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WO2014162773A1 true WO2014162773A1 (fr) 2014-10-09

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US20180110384A1 (en) * 2016-10-21 2018-04-26 Nidec Corporation Motor module and vacuum cleaner
JP2020048592A (ja) * 2018-09-21 2020-04-02 株式会社マキタ クリーナおよびバッテリパック
US10806061B2 (en) * 2017-11-20 2020-10-13 Gree Electric Appliances (Wuhan) Co., Ltd Control method and apparatus for smart power component, storage medium and processor
WO2020244272A1 (fr) * 2019-06-04 2020-12-10 莱克电气股份有限公司 Dispositif de nettoyage portatif
US20200390307A1 (en) * 2016-08-25 2020-12-17 Lg Electronics Inc. Cleaner
WO2021106493A1 (fr) * 2019-11-27 2021-06-03 工機ホールディングス株式会社 Dispositif de nettoyage
CN113180535A (zh) * 2016-03-31 2021-07-30 Lg电子株式会社 吸尘器
CN113712461A (zh) * 2016-08-25 2021-11-30 Lg电子株式会社 吸尘器
US20210401247A1 (en) * 2020-06-29 2021-12-30 Makita Corporation Cleaner
JP2022060812A (ja) * 2020-10-05 2022-04-15 日立グローバルライフソリューションズ株式会社 電気掃除機
US20220125267A1 (en) * 2018-12-13 2022-04-28 Koki Holdings Co., Ltd. Cleaner
EP3442680B1 (fr) * 2016-04-15 2022-05-18 Techtronic Floor Care Technology Limited Aspirateur à main
US11844486B2 (en) 2016-03-31 2023-12-19 Lg Electronics Inc. Cleaner
US11937758B2 (en) 2016-03-31 2024-03-26 Lg Electronics Inc. Cleaner
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Publication number Priority date Publication date Assignee Title
CN113180535A (zh) * 2016-03-31 2021-07-30 Lg电子株式会社 吸尘器
CN113180535B (zh) * 2016-03-31 2024-01-26 Lg电子株式会社 吸尘器
US11844486B2 (en) 2016-03-31 2023-12-19 Lg Electronics Inc. Cleaner
US11937758B2 (en) 2016-03-31 2024-03-26 Lg Electronics Inc. Cleaner
US11992169B2 (en) 2016-03-31 2024-05-28 Lg Electronics Inc. Cleaner
US11963654B2 (en) 2016-03-31 2024-04-23 Lg Electronics Inc. Cleaner
EP3442680B1 (fr) * 2016-04-15 2022-05-18 Techtronic Floor Care Technology Limited Aspirateur à main
US20200390307A1 (en) * 2016-08-25 2020-12-17 Lg Electronics Inc. Cleaner
CN113712461A (zh) * 2016-08-25 2021-11-30 Lg电子株式会社 吸尘器
US20230240498A1 (en) * 2016-08-25 2023-08-03 Lg Electronics Inc. Cleaner
US11647883B2 (en) 2016-08-25 2023-05-16 Lg Electronics Inc. Cleaner
CN107969988A (zh) * 2016-10-21 2018-05-01 日本电产株式会社 马达模块以及吸尘器
US20180110384A1 (en) * 2016-10-21 2018-04-26 Nidec Corporation Motor module and vacuum cleaner
US10806061B2 (en) * 2017-11-20 2020-10-13 Gree Electric Appliances (Wuhan) Co., Ltd Control method and apparatus for smart power component, storage medium and processor
JP7280675B2 (ja) 2018-09-21 2023-05-24 株式会社マキタ クリーナおよびバッテリパック
JP2020048592A (ja) * 2018-09-21 2020-04-02 株式会社マキタ クリーナおよびバッテリパック
US20220125267A1 (en) * 2018-12-13 2022-04-28 Koki Holdings Co., Ltd. Cleaner
WO2020244272A1 (fr) * 2019-06-04 2020-12-10 莱克电气股份有限公司 Dispositif de nettoyage portatif
JP7315025B2 (ja) 2019-11-27 2023-07-26 工機ホールディングス株式会社 クリーナ
CN114727731A (zh) * 2019-11-27 2022-07-08 工机控股株式会社 清洁器
CN114727731B (zh) * 2019-11-27 2023-09-26 工机控股株式会社 清洁器
JPWO2021106493A1 (fr) * 2019-11-27 2021-06-03
WO2021106493A1 (fr) * 2019-11-27 2021-06-03 工機ホールディングス株式会社 Dispositif de nettoyage
US11744419B2 (en) * 2020-06-29 2023-09-05 Makita Corporation Cleaner
US20210401247A1 (en) * 2020-06-29 2021-12-30 Makita Corporation Cleaner
JP2022060812A (ja) * 2020-10-05 2022-04-15 日立グローバルライフソリューションズ株式会社 電気掃除機

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