EP2842451B1 - Cleaning device for small electrical appliance - Google Patents

Cleaning device for small electrical appliance Download PDF

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Publication number
EP2842451B1
EP2842451B1 EP13780737.6A EP13780737A EP2842451B1 EP 2842451 B1 EP2842451 B1 EP 2842451B1 EP 13780737 A EP13780737 A EP 13780737A EP 2842451 B1 EP2842451 B1 EP 2842451B1
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EP
European Patent Office
Prior art keywords
cleaning liquid
cleaning
filter
container
electrical appliance
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP13780737.6A
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German (de)
English (en)
French (fr)
Other versions
EP2842451A4 (en
EP2842451A1 (en
Inventor
Fumio Taniguchi
Daisuke Sone
Toshio Ikuta
Jyuzaemon Iwasaki
Yasunori Ueda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Panasonic Corp
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Publication date
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Publication of EP2842451A1 publication Critical patent/EP2842451A1/en
Publication of EP2842451A4 publication Critical patent/EP2842451A4/en
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Publication of EP2842451B1 publication Critical patent/EP2842451B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D27/00—Shaving accessories
    • A45D27/46—Devices specially adapted for cleaning or disinfecting shavers or razors

Definitions

  • the invention relates to a cleaning device for a small electrical appliance such as an electric shaver or a depilator, which needs to be cleaned regularly, according to claim 1.
  • a cleaning device for a small electrical appliance, as described in the preamble of claim 1 is already known from WO 03/099060 A1 .
  • a cleaning device that includes: a cleaning bowl; a container that stores a cleaning liquid to be supplied to the cleaning bowl; a cleaning liquid supply means configured to supply the cleaning liquid stored in the container into the cleaning bowl; and a discharge path through which the cleaning liquid in the cleaning bowl is returned to the container.
  • a filter means for capturing dirt factors is disposed in a container.
  • the filter means or the container itself should be replaced if the filter means gets dirty.
  • a wear-out component(s) should be recyclable, or reusable, or formed of materials with reduced amount. From this view point, it is desirable that a container or a filter means be usable repeatedly.
  • JP2008-509772A discloses a device configured to deposit dirt factors (clipped hairs) onto a partition wall that is disposed on a bottom of a container, and therefore this device does not include components that need to be replaced.
  • this device has a disadvantage that the hairs accumulated on the partition wall of the container are difficult to be cleaned.
  • this device has a concern that the accumulated dirt factors are risen up and adhered to a shaver head during cleaning because the container is also used as a cleaning bowl.
  • the present invention has been made in view of above circumstance, and an object thereof is to provide a cleaning device for a small electrical appliance, of which a container can be used repeatedly and which can effectively capture, in the container, dirt factors that is included in a cleaning liquid discharged from a cleaning bowl to the container.
  • the above and other objects of the invention are achieved by the cleaning device for a small electrical appliance according to claim 1. Preferred embodiments are claimed in the dependent claims.
  • a cleaning device (1) for a small electrical appliance includes: a cleaning bowl (5) for receiving a part needing to be cleaned (Ea) of the small electrical appliance (E); a container (7) for storing cleaning liquid to be supplied into the cleaning bowl (5); a cleaning liquid supply means (P) configured to supply the cleaning liquid stored in the container (7) into the cleaning bowl (5); a discharge path (57, 127) for returning the cleaning liquid in the cleaning bowl (5) into the container (7) therethrough; and a filter (89).
  • the discharge path (57, 127) is provided at a downstream thereof with a first flow path (C1) via which part of the cleaning liquid passes through the filter (89) and a second flow path (C2) via which other part of the cleaning liquid flows over the filter (89) and the cleaning device further comprises a second bottom plate (80) that is disposed above a bottom face (75)of the container (7) so as to form a bottom space (7c) between the bottom face (75) and the second bottom plate (80), wherein the second flow path (C2) passes through the bottom space (7c) to reach a space (7b), above the second bottom plate (80), in which the cleaning liquid supply means (P)is disposed.
  • the filter (89) is arranged so as to intersect with a flow direction of the cleaning liquid which is returned to the container (7) through the discharge path (57, 127).
  • the first flow path (C1) is a path via which the part of the cleaning liquid passes through the filter (89) to reach the cleaning liquid supply means (P).
  • the second flow path (C2) is a path via which the other part of the cleaning liquid, after flowing along a surface of the filter (89), reaches the cleaning liquid supply means (P) while dirt factors included in the cleaning liquid are deposited onto a region other than the filter (89).
  • a flow rate of the cleaning liquid flowing in the first flow path (C1) is set to be larger than a flow rate of the cleaning liquid flowing in the second flow path (C2).
  • a flow path length of the first flow path (C1) is defined as a length of a path, which leads from the filter (89) to the cleaning liquid supply means (P), through the filter (89).
  • a flow path length of the second flow path (C2) is defined as a length of a path, which leads from the filter (89) to the cleaning liquid supply means (P), over a surface of the filter (89).
  • the flow path length of the second flow path (C2) is longer than the flow path length of the first flow path (C1).
  • the filter (89) is placed above a liquid surface of the cleaning liquid stored in the container (7).
  • a flow direction of the cleaning liquid flowing along the filter (89) is an opposite side to that of the cleaning liquid after passing through the filter (89).
  • the filter (89) is inclined with respect to a flow direction of the cleaning liquid which is returned to the container (7) through the discharge path (57, 127). Further preferably, the filter (89) has an inclination direction which is inclined downward so that part of the filter is positioned lower, as distance from the cleaning liquid supply means (P) increases.
  • the cleaning device may include a wall (812) which is provided around the filter (89) and extends upward to be above the filter (89).
  • the cleaning device includes a partition wall (81) which partitions a second space (7b) for the first flow path (C1) and a first space (7a) for the second flow path (C2).
  • the partition wall (81) exists in the shortest distance between the cleaning liquid supply means (P) and a drop point on the filter (89) of the cleaning liquid flowing in the discharge path (57, 127).
  • the partition wall (81) has an end face which is in contact with an inner wall of the container (7) to partition the container (7).
  • the cleaning device includes a rib (85) provided on a face surrounding the bottom space (7c), to reduce a fluid velocity of the cleaning liquid.
  • the rib (85) is formed on a lower face of the second bottom plate (80) and is shaped like a grid or a polygon.
  • the filter (89) and the second bottom plate (80) are detachably attached to the container (7).
  • the cleaning device includes a partition structure (8a) by which the discharge path is partitioned into the first flow path (C1) and the second flow path (C2).
  • the partition structure (8a) includes: a flow dividing plate (83) that intersects with a flow direction of the cleaning liquid which is returned to the container (7) through the discharge path (57, 127); an opening (84) formed in the flow dividing plate (83); a dividing wall (811, 86, 813) extending downward from the flow dividing plate (83); and the filter (89) disposed so as to cover the opening (84).
  • the opening (84) is located vertically below an outlet port of the discharge path (127).
  • a flow of the cleaning liquid is divided into two flows: a flow that passes through the filter; and a flow that flows over the filter (along the filter).
  • the former reaches directly the cleaning liquid supply means, whereas the latter does, after flowing along the surface of the filter, reach the cleaning liquid supply means while depositing dirt factors included in the cleaning liquid onto a region other than the filter. It is accordingly possible to effectively separate dirt factors from cleaning liquid as well as to supply, into the cleaning bowl, cleaning liquid with few dirt factors. Furthermore, it is possible to reuse the filter and the container by simply washing the dirt factors off because the filter is not configured to capture the dirt factors.
  • FIG. 1 is a sectional view of a cleaning device 1 according to the embodiment.
  • the cleaning device 1 of the embodiment is a device for cleaning a part needing to be cleaned (such as a blade head Ea ) of a small electrical appliance E that is an electric shaver (e.g., a reciprocating type electric shaver).
  • the cleaning device 1 is provided, in an upper face thereof, with an opening 20 into which the blade head Ea is inserted while the small electrical appliance E is made upside down.
  • the opening 20 is placed on a first side in a first direction (a left side in a right-left direction in FIG. 1 ) of the cleaning device 1, and defines a front side of the cleaning device 1, for example.
  • the cleaning device 1 includes therein a cleaning bowl 5, a container 7 for storing cleaning liquid, and a pump P (a cleaning liquid supply means) for circulating the cleaning liquid between the container 7 and the cleaning bowl 5 (i.e., for supplying the cleaning liquid stored in the container 7 into the cleaning bowl 5 ).
  • the cleaning device 1 further includes: a heater unit H and a motor fan F for drying the blade head Ea after it is cleaned; and a supporting portion S that is disposed on an upper rear side of the cleaning device 1 and includes a connector for electrical connection with the small electrical appliance E.
  • the cleaning liquid stored in the container 7 can be supplied into the cleaning bowl 5 through the pump P by setting the container 7 storing the cleaning liquid to the cleaning device 1, electrically connecting the small electrical appliance E and the cleaning device 1 through the connector of the supporting portion S while placing the blade head Ea of the small electrical appliance E in the cleaning bowl 5 through the opening 20, and activating the pump P.
  • the cleaning bowl 5 is disposed above a base 12.
  • the base 12 is disposed on an upper opening of the container 7.
  • the pump P includes a connecting pipe 126 that protrudes downward from the base 12 into an inside of the container 7 and communicates with a bottom side of the cleaning bowl 5 and a bottom side of the container 7.
  • the cleaning liquid stored in the container 7 is supplied into the cleaning bowl 5 through the connecting pipe 126 of the pump P.
  • the cleaning liquid going over an overflow weir 54 provided in the cleaning bowl 5 is to return into the container 7 located below the cleaning bowl 5.
  • connecting pipes 127 and 128 protrude downward from the base 12 into the inside of the container 7, and the cleaning liquid going over the overflow weir 54 is to return into the container 7 through the connecting pipe 127 or 128.
  • the blade head Ea of the small electrical appliance E can be cleaned more quickly and effectively by supplying electric power and transmitting a signal via the above-mentioned connector to drive the blade head Ea during the cleaning.
  • the cleaning device 1 includes: a bottom plate 11; the base 12 configured to vertically move with respect to the bottom plate 11; a support frame 13 disposed on the base 12; the cleaning bowl 5 of which periphery of four upper edges is supported by an upper edge of the support frame 13; a top-face cover 2 provided with the opening 20; a support mount 6 to which the connector is attached; a side cover 15 that forms side faces of the device; and a front cover 16 that forms a front face of the device.
  • the bottom plate 11 is provided with guide posts 110 and 110 standing on respective right and left sides thereof.
  • the base 12 is configured to vertically move along the guide posts 110.
  • Push-up rods 111 and 111 provided with respective springs 112 and 112 are disposed in the respective guide posts 110 and 110 of the bottom plate 11. The push-up rods 111 and 111 with the springs 112 and 112 exert an upward force on the base 12.
  • a switch plate 31 is disposed on the base 12 so as to free to move in the right-left direction.
  • a spring 32 exerts a force on the switch plate 31 in one direction, and one end of the switch plate 31 is exposed outside through the side cover 15 (see FIG. 9 ).
  • the switch plate 31 includes engagement parts for engaging with respective hooks 115 and 115 formed at respective upper ends of the guide posts 110 and 110. If the switch plate 31 is pressed in while compressing the spring 32, the engagement between the switch plate 31 and the hooks 115 and 115 are released, and accordingly the base 12 moves upward by receiving force which the springs 112 and 112 exert. Then, if the base 12 is pressed downward, the switch plate 31 engages with the hooks 115 and 115 again, and accordingly the base 12 is kept in the pressed-down state.
  • the base 12 includes a motor cover 120 that is shaped like a cylinder protruding downward.
  • a motor M is housed in the motor cover 120 via a motor case 121.
  • an impeller 123 is attached to an output shaft of the motor, which protrudes downward from a bottom face of the motor cover 120 via a seal 122 having an M-shape in cross-section.
  • a pump cover 124 is attached to the motor cover 120 around the impeller 123.
  • the pump cover 124 is provided with a suction port that opens in a central part of a bottom thereof.
  • the cleaning liquid supply means (the pump P ) includes the motor M, the motor cover 120, the motor case 121, the seal 122, the impeller 123, the pump cover 124 and the connecting pipe 126.
  • the cleaning device 1 further includes a controller formed of a switch circuit 21 (shown in FIG. 5 ) and the like.
  • the controller is configured to control electric conduction with a small electrical appliance E through the connector, operation of the pump P and the like, in accordance with an instruction from the outside.
  • Three level detecting pins 24, 25 and 26 are disposed on an outer side of the motor cover 120.
  • the three level detecting pins 24, 25 and 26 to be soaked in cleaning liquid stored in the container 7 are adapted to detect a level of the cleaning liquid by electric resistance values between them.
  • cleaning liquid has electric conductivity, and accordingly the level can be detected because an electric resistance value between the level detecting pins 24 and 25 (between the common pin 24 and the first detecting pin 25 ) when cleaning liquid is absent therebetween is larger than a predetermined value and an electric resistance value between the level detecting pins 24 and 26 (between the common pin 24 and the second detecting pin 26 ) when cleaning liquid is absent therebetween is larger than a predetermined value.
  • a lower end of the level detecting pin (the common pin) 24 is located at the lowest position in the level detecting pins 24, 25 and 26, and a lower end of the level detecting pin 25 is different in height from that of the level detecting pin 26.
  • the lower end of the first detecting pin 25 is located at a position lower than that of the second detecting pin 26.
  • a level of the cleaning liquid in two-stages, for example a state in which residual amount of the cleaning liquid is small (a state in which a liquid surface level of the cleaning liquid is lower than the position of the lower end of the second detecting pin 26 and thus only the common pin 24 and the first detecting pin 25 are soaked in the cleaning liquid), and a state in which the residual amount of the cleaning liquid is smaller than a liquid amount that is required for a cleaning operation while circulating the cleaning liquid (a state in which the cleaning is impossible; a state in which a liquid surface level of the cleaning liquid is lower than the position of the lower end of the first detecting pin 25 and thus only the common pin 24 is soaked in the cleaning liquid).
  • a reference sign W indicates a liquid surface.
  • the liquid surface W is illustrated to be inclined with respect to a horizontal plane in FIG. 19 , but this is for explanation. Actually, it is the container 7 that is inclined with respect to the horizontal plane due to, for example, an electric power code or a comb intervening below the container 7.
  • the cleaning bowl 5 is disposed on the base 12 via the support frame 13.
  • the cleaning bowl 5 is formed of soft material, such as rubber.
  • the cleaning bowl 5 includes a folded part 50.
  • the folded part 50 protrudes sideways from an upper edge of the cleaning bowl 5 and an end thereof is folded downward.
  • FIG. 8 if the folded part 50 is capped on an upper edge of the support frame 13 and the top-face cover 2 is installed in the cleaning bowl 5, a rib 22 provided on a lower edge of the top-face cover 2 is fitted in a groove 51 provided in a top face of the upper edge of the cleaning bowl 5.
  • the upper edge of the cleaning bowl 5 is pressed between the top-face cover 2 and the support frame 13, and accordingly this portion is kept waterproofed.
  • the cleaning bowl 5 includes thereinside the overflow weir 54.
  • the overflow weir 54 is shaped like a wall which gradually lowers towards its center.
  • the overflow weir 54 divides the inside of the cleaning bowl 5 into two parts.
  • the overflow weir 54 partitions the inside space of the cleaning bowl 5 into a cleaning part 52 on a front side and an overflow part 53 on a rear side.
  • the cleaning part 52 is a part for housing a blade head Ea of a small electrical appliance E.
  • a rib 55 is formed integrally with a wall surface of the cleaning part 52 on a side of the overflow weir 54. As shown in FIG.
  • the blade head Ea is positioned in a front-back direction between the rib 55 and a supporting part 36 of a head guide 35 disposed on an inner face of the cleaning bowl 5 (see FIG. 3 ). Furthermore, protruded belts 59 are provided on a bottom face of the cleaning bowl 5 (see FIGS. 9 and 10 ), and the blade head Ea is supported by the protruded belts 59 while slightly floated from the bottom face.
  • the cleaning bowl 5 is provided, at a lowest portion of the cleaning part 52, with the inlet and outlet port 56.
  • the cleaning bowl 5 is further provided, in the overflow part 53, with two outlets 57 and 58.
  • the inlet and outlet port 56 is connected to the connecting pipe 126 provided at the base 12.
  • the outlets 57 and 58 are connected to the connecting pipes 127 and 128 provided at the base 12, respectively.
  • the connecting pipes 127 and 128 are placed just above the container 7 that stores cleaning liquid. Drainage passing through the outlets 57 and 58 is returned into the container 7 through the connecting pipes 127 and 128. Specifically, as shown in FIGS.
  • the outlet 57 has a top opening of which position is lower than that of an outlet 58, and carries out discharge for circulating the cleaning liquid.
  • the outlet 58 has a top opening of which position is higher than the outlet 57 and placed at a position farther than the outlet 57 away from the overflow weir 54, and is used for emergency in a case where the outlet 57 is clogged up with some cause to lose a function thereof.
  • a bottom face of the overflow part 53 is shaped into an inclined plane that is inclined downward towards the outlet 57 on one side.
  • a discharge path for returning the cleaning liquid in the cleaning bowl 5 into the container 7 therethrough includes the outlet 57 and the connecting pipe 127.
  • a part on one side in a front edge of the cleaning bowl 5 is surrounded by a wall 500 having a long hole shape in cross-section and is used for arrangement of a select button 29 for operation instruction.
  • the select button 29 is exposed through the top-face cover 2.
  • a switch on the switch board 21 (see FIG. 5 ) is driven via a switch rod 290 (see FIG. 6 ). Accordingly, the operation of the cleaning device 1 can be instructed with the select button 29.
  • indicator lamps for operation indication provided on the switch board 21 are configured to conduct display on the top-face cover 2 via a light guide plate 28 in response to the instruction.
  • the indicator lamps include a lamp for displaying amount of cleaning liquid stored in the container 7.
  • the supporting portion S includes the support mount 6 and the back cover 23 in the top-face cover 2.
  • the back cover 23 covers a back side of the support mount 6.
  • the support mount 6 includes contacts 39 on which springs 37 exert individual forward forces via respective contact supporting members 38.
  • the contacts 39 are exposed on a front face of the support mount 6 without protruding from the front face of the support mount 6.
  • a magnet 43 and a yoke 44 for attracting a small electrical appliance E are disposed above the contacts 39.
  • the small electrical appliance E is attracted to the supporting portion S by the magnetic attraction of the magnet 43, and thus a terminal Eb included in the small electrical appliance E come into contact with the contacts 39, and also the terminal Eb press the contacts 39 while compressing the springs 37 (see FIG. 3 ).
  • contact pressures between the terminal Eb and the contacts 39 can be kept secured by the magnetic attraction of the magnet 43 and the spring force of the springs 37.
  • the contact between the contacts 39 and the terminal Eb allows power supply to the small electrical appliance E and signal transmission from the cleaning device 1 to the small electrical appliance E.
  • a body detecting plate 42 (see FIG. 6 ) is disposed in the supporting portion S so as to be in contact with the contacts 39 and configured to be separated from the contacts 39 when the contacts 39 are moved back as a result of attachment of the small electrical appliance E, thereby detecting that the small electrical appliance E is attached to the cleaning device 1.
  • an air outlet 66 is provided in a lower part of the support mount 6, and the motor fan F is attached at a back side of the air outlet 66.
  • a lower edge of support mount 6 near the air outlet 66 is put on an upper edge of a rear part of the cleaning bowl 5.
  • the motor fan F is configured to draw in air through an intake 150 that is formed in a back face of the cleaning device 1, and send the air to the blade head Ea of the small electrical appliance E through the air outlet 66.
  • the air outlet 66 for the motor fan F faces diagonally downward so as to send air toward the blade head Ea from upside.
  • the support mount 6 further includes current plates 67 in order to efficiently change the direction of the air.
  • the heater unit H for heating is disposed on a back (a lower face) side of the cleaning part 52 of the cleaning bowl 5.
  • the heater unit H includes a heater wire, a heater plate, a heater substrate, a temperature sensor for temperature control, and a protection component for aberrant heating (which are not shown).
  • the heater unit H is configured to transmit heat from the heater wire to the blade head Ea through the heater plate, the cleaning bowl 5 and the protruded belts 59 of the cleaning bowl 5 to thereby dry the blade head Ea after cleaning.
  • the cleaning bowl 5 and the top-face cover 2 are installed on the base 12 via the support frame 13.
  • the side cover 15 and the front cover 16 are attached so as to surround an outer periphery of main parts of the cleaning device 1. Therefore, when the base 12 is moved vertically with respect to the bottom plate 11, all components other than the bottom plate 11 and the container 7 detachably disposed on the bottom plate 11 are vertically moved along with the base 12 (see FIG. 4 ). The vertical movement allows the container 7 disposed on the bottom plate 11 to be detached and attached again.
  • the container 7 and a filter frame 8 detachably disposed in the container 7 are described with reference to FIGS. 15 to 18 .
  • the container 7 is shaped like a cup having the upper opening. A width on a rear side of the container 7 is narrower than that on a front side thereof.
  • the container 7 is disposed on the bottom plate 11.
  • a water line 70 is formed on an inner wall of the container 7.
  • some protrusions 76 are provided on a lower face of the container 7 (on a lower face of the bottom plate of the container 7).
  • the filter frame 8 includes a bottom plate part (a second bottom plate) 80 and a partition wall 81.
  • the partition wall 81 extends upward from a rear part of the bottom plate part 80. Both side edges of the partition wall 81 are in contact with an inner wall face of the container 7 (see FIGS. 15 and 16 ).
  • the bottom plate part 80 almost covers a bottom face 75 of the container 7. Projecting pieces 74 for positioning are provided on the inner wall of the container 7 and determine the position of the filter frame 8 in the container 7. As shown in FIGS.
  • an inside of the container 7 is divided by the filter frame 8 into three spaces in total which includes two spaces 7a and 7b (a first space 7a and a second space 7b ) partitioned with the partition wall 81, and a bottom space 7c between the bottom face 75 of the container 7 and the bottom plate part 80 slightly floated from the bottom face 75 of the container 7.
  • the bottom plate part 80 is provided, on a lower face side thereof, with ribs 85 shaped like a grid.
  • the bottom plate part 80 is provided with a recess 88 in part of an upper face of the rear part facing the second space 7b.
  • the diversion 82 is provided at an upper part of the partition wall 81.
  • the diversion 82 includes: an inclined plane 83 formed at an upper part of the partition wall 81; outlets 84 formed in the inclined plane 83; and an inclined plane 86 that is located just under the outlets 84 and has an inverse inclination to the inclined plane 83.
  • a filter 89 is detachably disposed on the inclined plane 83 of the diversion 82.
  • the filter 89 is formed of a mesh structure having holes smaller than body hair and the like.
  • the filter 89 is disposed on the inclined plane 83 so as to cover whole of the outlets 84.
  • the inclined plane 83 is inclined with respect to a flow direction of cleaning liquid discharged from the connecting pipe 127 (a flow direction of the cleaning liquid which is returned to the container 7 through the discharge path).
  • the inclined plane 83 has an inclination direction which is inclined downward so that part thereof is positioned lower, as distance from the pump P increases. Further, parts of the filter 89 and the inclined plane 83 are placed above a liquid surface of the cleaning liquid stored in the container 7 (above the water line 70 ).
  • Some of cleaning liquid may enter the first space 7a that is formed between the partition wall 81 and the inner wall of the container 7 without passing through the filter 89 and the outlets 84.
  • the cleaning liquid flows into the second space 7b on an upper face side of the bottom plate part 80 through the bottom space 7c between the bottom face 75 of the container 7 (the bottom plate of the container 7 ) and the bottom plate part 80, and the gap between the front edge of the bottom plate part 80 and the inner wall face of the container 7.
  • Cleaning liquid passing through the filter 89 and the outlets 84 (directly) enters the second space 7b along the inclined plane 86.
  • Opening areas of the outlets 84 are set so that the amount of the cleaning liquid passing through the filter 89 and the outlets 84 is larger than the amount of the cleaning liquid which enters the bottom space 7c through the first space 7a without passing therethrough.
  • the inclined plane 83 may be formed with at least an outlet 84.
  • the partition wall 81 On a side of the second space 7b with respect to the filter 89, the partition wall 81 has a higher height (a wall 812 which extends upward to be above the filter 89 is provided around the filter 89 ). It is accordingly possible to prevent the cleaning liquid including dirt factors (such as body hairs and sebum) from spreading towards the second space 7b even when the cleaning liquid hits to splash from the filter 89 or the inclined plane 83.
  • the discharge path (the connecting pipe 127 ) is provided at a downstream thereof with: a first flow path C1 via which cleaning liquid passes through the filter 89; and a second flow path C2 via which cleaning liquid flows over the filter 89 (see FIG. 17B ).
  • the first flow path C1 and the second flow path C2 are partitioned by a partition structure 8a.
  • the partition structure 8a includes: a flow dividing plate (the inclined plane 83 ) that intersects with a flow direction of cleaning liquid which is returned to the container 7 through the discharge path (the connecting pipe 127 ) (the flow direction of the cleaning liquid discharged from the connecting pipe 127 ); the outlets 84 (openings) formed in the flow dividing plate; a dividing wall 811 extending downward from the flow dividing plate; and the filter 89 disposed on the outlet 84.
  • the outlets 84 (the openings) are located vertically below an outlet port of the discharge path (the connecting pipe 127 ).
  • the flow dividing plate is inclined with respect to the flow direction of the cleaning liquid which is returned to the container 7 through the discharge path (the flow direction of the cleaning liquid discharged from the connecting pipe 127 ).
  • the partition structure 8a partitions the space inside the container 7 into: the first space 7a; and the second space 7 b in which the pump P is disposed.
  • the first space 7a and the second space 7b communicate with each other through the bottom of the container 7.
  • the embodiment includes the second bottom plate (the bottom plate part 80 ) which is formed continuously with the partition structure 8a.
  • the bottom space 7c is formed between the second bottom plate 80 and the bottom face of the container 7 so that the bottom space 7c communicates with the first space 7a.
  • the first flow path C1 is a path via which cleaning liquid passes through the filter 89 to reach the second space 7b in which the pump P is disposed.
  • the second flow path C2 is a path via which cleaning liquid passes through the first space 7a and the bottom space 7c to reach the second space 7b.
  • the partition wall 81 includes the dividing wall 811, the inclined plane 86 and a dividing wall 813 so that the dividing wall 811 and the dividing wall 813 are connected by the inclined plane 86, but may not include the inclined plane 86.
  • a lower end of a dividing wall 811 may be directly connected to a bottom plate part 80.
  • cleaning liquid is stored in the container 7 housing the filter frame 8 and the container 7 is then disposed on the bottom plate 11 while a whole of the device is floated with respect to the bottom plate 11 (see FIG. 4 ) by operating the switch plate 31.
  • the container 7 is guided by guide plates 117 that are formed on the bottom plate 11, and further positioned by positioning protrusions 116.
  • the protrusions 116 are fitted into locking recesses 77 (see FIG. 17B ) that are formed in outer wall faces of the container 7, thereby preventing floating of the container 7.
  • a lower part of the pump P with which the base 12 is provided is soaked in the cleaning liquid stored in the container 7.
  • a packing 17, which is previously attached to an outer part of a lower face of the base 12 via an attachment frame 18, is held between the lower face of the base 12 and a flange 72 that protrudes sideways from an upper edge of the container 7. Therefore, the part is waterproofed.
  • the blade head Ea of the small electrical appliance E is fitted in the cleaning bowl 5 though the upper opening 20 so that the terminal Eb of the small electrical appliance E come into contact with the contacts 39 of the supporting portion S.
  • the pump P is activated to supply the cleaning liquid stored in the container 7 into the cleaning part 52 of the cleaning bowl 5 through the connecting pipe 126 and the inlet and outlet port 56.
  • the cleaning liquid going over the overflow weir 54 of the cleaning bowl 5 is returned into the container 7 through the outlet 57 and the connecting pipe 127. Therefore, the cleaning liquid is circulated between the container 7 and the cleaning bowl 5.
  • the controller drives blades in the blade head Ea of the small electrical appliance E through the supporting portion S.
  • the blade head Ea can be cleaned more quickly and effectively.
  • the cleaning liquid in the cleaning bowl 5 goes over the overflow weir 54 and then enters the overflow part 53 to return into the container 7 through the outlet 57 and the connecting pipe 127 as described above.
  • the connecting pipe 127 is located just above the filter 89 disposed in the first space 7a in the container 7. Therefore, body hairs and the like included in the cleaning liquid enters the bottom space 7c of the container 7 while flowing along a surface of the filter 89 to flow down through the first space 7a with the cleaning liquid without passing through the filter 89.
  • the cleaning liquid that passes through the filter 89 and the outlets 84 includes few body hairs and the like, and it flows (in an opposite side direction) towards a side of the recess 88 in the second space 7b via the inclined plane 86.
  • the suction port of the pump P is located near the recess 88, the cleaning liquid flows to the pump P in a shortest path and then is supplied again into the cleaning bowl 5 through the pump P. Dirt elements are hardly accumulated on the surface of the filter 89 because of the inclination of the filter 89, gravity fall of the cleaning liquid, and the surface tension of the cleaning liquid.
  • the cleaning liquid flowing over the filter 89 is flown into a direction away from the pump P.
  • the partition wall 81 exists in the shortest distance between the pump P and a drop point of the cleaning liquid flowing down to the filter 89 (a drop point on a filter 89).
  • the filter 89 has the inclination direction which is inclined downward so that part thereof is positioned lower, as distance from the pump P increases.
  • the cleaning liquid and body hairs and the like enter the bottom space 7c between the lower face of the filter frame 8 and the bottom face 75 of the container 7 through the first space 7a located on one side of a rear part of the container 7, they spread along the bottom face 75 of the container 7, and then flow into the second space 7b through the gap between the front edge of the bottom plate part 80 of the filter frame 8 and the inner wall face of a front part of the container 7.
  • the cleaning liquid entering the bottom space 7c spreads as described above and the cleaning liquid supplied into the cleaning bowl 5 through the pump P is mainly cleaning liquid with few body hairs and the like after passing through the filter 89 and the outlets 84.
  • a flow rate of the cleaning liquid passing through the bottom space 7c is considerably small, and a fluid velocity thereof is also considerably low.
  • the flow path passing through the first space 7a has a long flow path length, and retention occurs at many places in the ribs 85 that are shaped like a grid and provided on the lower face of the bottom plate part 80 of the filter frame 8. Accordingly, body hairs and the like included in the cleaning liquid are deposited and accumulated in the bottom space 7c.
  • the cleaning liquid passing through the bottom space 7c flows through the front of the container 7 and above the bottom plate part 80 of the filter frame 8 to reach the recess 88 facing the suction port of the pump P near the rear part of the container 7. Moreover, the bottom plate part 80 intervenes between the suction port and deposited and accumulated body hairs and the like. Accordingly, it is less likely that the pump P sucks the body hairs and the like to return them into the cleaning bowl 5 again.
  • the bottom space 7c may have a capacity for securing accumulation amount of body hairs corresponding to about several tens of times of normal cleaning operation. If taking the container 7 out from the cleaning device 1 and detaching the filter frame 8 from the container 7, a user can wash away the accumulated body hairs from the container 7, and then stores new cleaning liquid into the container 7 to recover initial cleaning capability.
  • the above mentioned flange 72 is provided at the upper edge of the container 7 and formed to protrude sideways. It is accordingly possible to smoothly discharge the old cleaning liquid (and body hairs and the like) with a side of the opening of the container 7 down in order to discard the cleaning liquid in the container 7.
  • the flange 72 is provided for securing hardness for water stop, but is unnecessarily in a case where the hardness can be secured by a thickness of a side wall of the container 7.
  • the cleaning liquid in the cleaning part 52 of the cleaning bowl 5 is returned into the container 7 by natural drop from the inlet and outlet port 56 through the connecting pipe 126 and the pump P (a space between the impeller 123 and the pump cover 124 ).
  • the impeller 123 is soaked in the cleaning liquid in the container 7 and few body hairs and the like are included in the cleaning liquid in the cleaning part 52 after the cleaning is finished. Therefore, clogging hardly occurs although the cleaning liquid passes through the pump P. Even if the outlet 57 in the overflow part 53 is clogged during cleaning operation, the cleaning liquid is prevented from overflowing from the cleaning bowl 5 because the outlet 58 is additionally provided.
  • the motor fan F and the heater unit H are energized to dry the blade head Ea.
  • the grid-like rib 85 has advantages of: facilitating the depositing and accumulating of the dirt factors by generating an inverted fluid in the bottom space 7c; and preventing the dirt factors from rising up from the bottom face 75 of the container 7 when the cleaning device 1 is carried or the like.
  • the rib 85 may be formed on the bottom face 75 side, the inner wall, or the like, of the container 7, instead of being formed on the bottom plate part 80 of the filter frame 8.
  • the rib 85 is preferably formed on the lower face of the bottom plate part 80.
  • the filter 89 in addition to the container 7, is a reusable component.
  • the filter 89 may be a type of a filter that captures dirt factors.

Landscapes

  • Dry Shavers And Clippers (AREA)
EP13780737.6A 2012-04-27 2013-02-26 Cleaning device for small electrical appliance Active EP2842451B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012103406A JP6052658B2 (ja) 2012-04-27 2012-04-27 小型電気機器の洗浄装置
PCT/JP2013/001094 WO2013161147A1 (ja) 2012-04-27 2013-02-26 小型電気機器の洗浄装置

Publications (3)

Publication Number Publication Date
EP2842451A1 EP2842451A1 (en) 2015-03-04
EP2842451A4 EP2842451A4 (en) 2015-05-27
EP2842451B1 true EP2842451B1 (en) 2018-11-21

Family

ID=49482505

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13780737.6A Active EP2842451B1 (en) 2012-04-27 2013-02-26 Cleaning device for small electrical appliance

Country Status (3)

Country Link
EP (1) EP2842451B1 (ja)
JP (1) JP6052658B2 (ja)
WO (1) WO2013161147A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6806950B1 (ja) * 2020-09-10 2021-01-06 マクセルイズミ株式会社 洗浄器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010057837A (ja) * 2008-09-05 2010-03-18 Sanyo Electric Co Ltd 電気かみそり洗浄器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10209326C1 (de) * 2002-03-02 2003-06-18 Braun Gmbh Reinigungsvorrichtung für den Scherkopf eines Trockenrasierapparates
DE10222716A1 (de) * 2002-05-23 2003-12-11 Braun Gmbh Reinigungsvorrichtung für den Scherkopf eines Trockenrasierapparates
EP1788904B1 (en) 2004-08-19 2009-03-11 Koninklijke Philips Electronics N.V. Automatical cleaning device for cleaning an electrical shaver
CN101242755B (zh) 2005-08-17 2010-12-08 皇家飞利浦电子股份有限公司 清洁电动剪发设备的装置和方法及包括这种装置的成套用具
JP5013465B2 (ja) 2007-06-08 2012-08-29 日立マクセル株式会社 クリーニング装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010057837A (ja) * 2008-09-05 2010-03-18 Sanyo Electric Co Ltd 電気かみそり洗浄器

Also Published As

Publication number Publication date
EP2842451A4 (en) 2015-05-27
WO2013161147A1 (ja) 2013-10-31
JP6052658B2 (ja) 2016-12-27
JP2013230219A (ja) 2013-11-14
EP2842451A1 (en) 2015-03-04

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