JP2004141610A - Suction device of vacuum cleaner - Google Patents

Suction device of vacuum cleaner Download PDF

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Publication number
JP2004141610A
JP2004141610A JP2003009716A JP2003009716A JP2004141610A JP 2004141610 A JP2004141610 A JP 2004141610A JP 2003009716 A JP2003009716 A JP 2003009716A JP 2003009716 A JP2003009716 A JP 2003009716A JP 2004141610 A JP2004141610 A JP 2004141610A
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Japan
Prior art keywords
drive
suction
suction device
brushes
hinge shaft
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JP2003009716A
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Japanese (ja)
Inventor
Hyoung-Bin Im
イム　ヒョウン−ビン
Seong-Bin Lee
リー　ソン−ビン
Sung-Il Park
パーク　スン−イル
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LG Electronics Inc
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LG Electronics Inc
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Publication of JP2004141610A publication Critical patent/JP2004141610A/en
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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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0405—Driving means for the brushes or agitators
    • A47L9/0411—Driving means for the brushes or agitators driven by electric motor
    • 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
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • A47L5/30—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with driven dust-loosening tools, e.g. rotating brushes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0488—Combinations or arrangements of several tools, e.g. edge cleaning tools
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
    • E01H1/0836—Apparatus dislodging all of the dirt by suction ; Suction nozzles
    • E01H1/0845—Apparatus dislodging all of the dirt by suction ; Suction nozzles with mechanical loosening or feeding instruments for the dirt to be sucked- up, e.g. brushes, scrapers
    • 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
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Electric Vacuum Cleaner (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a suction device of a vacuum cleaner which has two or more brushes and can clean completely all pollutant regardless of the volume and magnitude of the pollutant by individually actuating each brush. <P>SOLUTION: The suction device comprises a controller 6 which is accommodated inside a vacuum cleaner body 2 to control a cleaning movement, a suction motor 22 which is installed ahead of the controller 6 to generate suction force, a filter 24 which is connected with the motor 22 to catch dust and the pollutant, an inlet 30 which sucks the dust and pollutant on a floor by being connected with the filter 24 through an inlet channel 28 cut on the lower surface of the vacuum cleaner body 2, two or more brushes 32 and 34 which suck the pollutant on the floor by being rotatably pivoted on the side of the inlet 30, and driving mechanisms 36 and 38 which are engaged with the brushes 32 and 34 to rotate these brushes 32 and 34. <P>COPYRIGHT: (C)2004,JPO

Description

【０００１】
【発明の属する技術分野】
本発明は、清掃機の塵を吸入する装置に係るもので、詳しくは、二つのブラッシュを使用して清掃機の性能を向上し得る清掃機の吸入装置に関するものである。
【０００２】
【従来の技術】
一般に、ロボット清掃機は、使用者の操作なしに、自身が移動しながら清掃を行い、充電器の電力が消耗されると、自身が充電体に移動して充電を行って充電が終了されると、再び清掃区域に戻ることで、清掃を継続し得るようになっている。
【０００３】
そして、従来のロボット清掃機においては、図６に示したように、清掃機本体１０２と、該清掃機本体１０２に収納されて吸入力を発生する吸入モータ１０４と、該吸入モータ１０４の後方に装着されて、該吸入モータ１０４により吸入される塵又は汚物を集塵するフィルター１０６が収納されたフィルターコンテナ１０８と、該フィルターコンテナ１０８に吸入管１１０により連結されて前記本体の下面に切削形成されることで、床１５０上の塵又は汚物を吸入する吸入口１１２と、該吸入口１１２の内部のヒンジ軸１３６に回動自在に軸支されて床上の汚物を吸入するブラッシュ１１４と、前記清掃機を自動的に走行させて清掃を行う制御部１１６と、から構成されている。
【０００４】
且つ、前記清掃機本体１０２の内部前方には、障害物の位置を把握するために前記清掃機本体１０２の移動時に超音波を送信する超音波送信部１１８と、該超音波送信部１１８から送信された超音波を受信する超音波受信部１２０と、が装着されている。
又、前記清掃機本体１０２の内部後方側には、充電端子１２２及び充電バッテリ１２８が装着され、室内の壁面１２４には接続端子１２６が設置されることで、該接続端子１２６に前記充電端子１２２が接続されて、前記充電バッテリ１２８が充電されるようになっている。
【０００５】
又、前記清掃機本体１０２の後方側壁には、前記充電端子１２２を前記室内壁面１２４の接続端子１２６に誘導するとき必要な発光部１４０が装着され、前記室内壁面１２４の接続端子１２６の下方には受光部１４２が装着されることで、前記清掃機本体１０２の発光部１４０から発光される光信号を受光するようになっている。
又、前記清掃機本体１０２の下面には、前記制御部１１６の信号によって駆動される駆動輪１３０が軸支され、該駆動輪１３０の後方側には補助輪１３２が軸支されている。
【０００６】
このように構成された従来の清掃機の動作を説明すると、次のようである。
使用者が動作ボタンを押すことで、充電バッテリ１２８の電源が吸入モータ１０４に伝達されて該吸入モータ１０４が駆動されると、床上の塵及び汚物が吸入口１１２から吸入されて吸入管１１０を通ってフィルター１０６に捕集される。この時、前記ブラッシュ１１４が回転されながら床上の塵及び汚物を吸入口１１２の内部に吸入し、制御部１１６から印加される信号によって駆動モータ１０４が駆動され、清掃機本体１０２が移動しながら自動的に清掃作業が実施される。
【０００７】
次いで、前記清掃機本体１０２が移動されると、該清掃機本体１０２の前方の超音波送信部１１８及び超音波受信部１２０の動作により障害物を避けながら移動する。また清掃作業中、充電バッテリ１２８の電圧レベルが設定値以下まで低下すると、制御部１１６の制御により清掃作業が中止され、清掃機本体１０２は室内壁面の接続端子１２６まで移動して、前記清掃機本体１０２の後面の充電端子１２２が前記接続端子１２６に連結されることで、充電バッテリ１２８の充電が実施される。
次いで、充電バッテリ１２８の充電が終了されると、前記制御部１１６の制御により清掃機本体１０２の充電端子１２２が接続端子１２６から分離されて、再び清掃作業が実施される。
【０００８】
【発明が解決しようとする課題】
然るに、このような従来の清掃機においては、一つのブラッシュを用いて床上にくっついた汚物をひきとったり、又は大きい汚物を吸入するようになっているため、それら清掃作業が難しく、このような汚物が多い場合は全てを除去して清掃を奇麗に行うことが困難であるという不都合な点があった。
且つ、このような短所を補完するため、吸入モータの容量を大きくして吸入力を増大させると、原価が上昇し、騷音が増加するという不都合な点があった。
【０００９】
本発明は、このような従来の課題に鑑みてなされたもので、複数のブラッシュを備え、各ブラッシュを個別的に駆動させることで、汚物の量及び大きさに関係なく、全ての汚物を奇麗に清掃し得る清掃機の吸入装置を提供することを目的とする。
【００１０】
【課題を解決するための手段】
このような目的を達成するため、本発明に係る清掃機の吸入装置においては、清掃機本体の内部に収納されて清掃動作を制御する制御部６と該制御部６の前方に装着されて吸入力を発生する吸入モータ２２と、該吸入モータ２２に連結されて塵及び汚物を捕集するフィルター２４と、該フィルター２４に吸入管２８により連結されて前記清掃機本体２の下面に切削形成されることで、塵及び汚物を吸入する吸入口３０と、該吸入口３０の側方に回動自在に軸支されて床上の塵及び汚物を吸入口３０に吸入する複数のブラッシュ３２、３４と、それらブラッシュ３２、３４に係合されてそれらブラッシュ３２、３４を回動させる各駆動機構３６、３８と、を包含して構成されることを特徴とする。
【００１１】
且つ、前記各ブラッシュ３２、３４は、前記吸入口３０の側方に所定間隔を有して相互対向して軸支された第１ブラッシュ３２及び第２ブラッシュ３４であることを特徴とする。
又、前記第１ブラッシュ３２及び第２ブラッシュ３４の中心には、夫々第１ヒンジ軸４０及び第２ヒンジ軸４２が嵌合されることで、それら第１ヒンジ軸及び第２ヒンジ軸が前記吸入口３０側方に回動自在に軸支され、それら第１ヒンジ軸４０及び第２ヒンジ軸４２には、夫々駆動機溝が係合されることを特徴とする。
【００１２】
且つ、前記各駆動機構は、前記第１ヒンジ軸４０に係合される第１駆動機構と、前記第２ヒンジ軸に係合される第２駆動機構であることを特徴とする。
又、前記第１及び第２駆動機構は、前記制御部６から印加される信号によって正方向及び逆方向に駆動される第１及び第２駆動モータ４６、４８を具備し、それら第１及び第２駆動モータ４６、４８が前記第１及び第２ヒンジ軸４０、４２に係合されることで、前記第１及び第２駆動モータ４６及び第２駆動モータ４８の駆動力を第１ヒンジ軸及び第２ヒンジ軸４２夫々伝達するように構成されることを特徴とする。
【００１３】
又、前記第１及び第２駆動機構は、前記第１及び第２駆動モータ４６、４８の回転軸に夫々嵌合された駆動プーリ５０、５２と、前記第１及び第２ヒンジ軸４０、４２に夫々嵌合された従動プーリ５４、５６と、それら駆動プーリ５０、５２と従動プーリ間に夫々掛合された各ベルト５８、６０から構成されることを特徴とする。
且つ、前記各ベルト５８、６０は、タイミングベルトであることを特徴とする。
又、前記第１及び第２駆動機構は、前記第１第２駆動モータ４６、４８の回転軸に嵌合された駆動ギヤーと、それら駆動ギヤーに噛合されて前記第２ヒンジ軸に嵌合される各従動ギヤーから構成されることを特徴とする。
【００１４】
【発明の実施の形態】
以下、本発明の実施の形態に対し、図面を用いて説明する。
本発明に係る清掃機の吸入装置においては、図１に示したように、清掃機本体２と、該清掃機本体２の内部に収納されて床上の塵及び汚物を吸入して貯蔵する吸入装置４と、前記清掃機本体２の内部に収納されて清掃機の動作を制御する制御部６と、前記清掃機本体２の下面に軸支されて前記制御部６の信号により駆動される駆動輪８と、該駆動輪８の後方側の清掃機本体２の下面に軸支されて該清掃機本体２を支持する補助輪１０と、前記清掃機本体２の前方側壁面に装着されて清掃機本体２が移動時に超音波を送信する超音波送信部１２と、該超音波送信部１２側方に装着されて音波送信部１２から送信された超音波を受信する超音波受信部１４と、前記清掃機本体２の内部後方に収納された充電バッテリ１６と、該充電バッテリ１６の後方の清掃機本体の側壁に設置されて、室内の壁面た装着された接続端子２０に充電の際、接続される充電端子１８と、から構成されている。
【００１５】
又、前記吸入装置４は、前記清掃機本体２の内部に収納されて吸入力を発生する吸入モータ２２と、該吸入モータ２２に連結されることで塵及び汚物を捕集するフィルター２４を備えたフィルターコンテナ２６と、該フィルターコンテナ２６に吸入管２８により連結されることで前記清掃機本体２の下方の床上の塵及び汚物を吸入する吸入口３０と、該吸入口３０の内部に複数装着されることで床上に付着された汚物を引き取って吸入口３０の内部に吸入するブラッシュ３２、３４と、前記清掃機本体２の下方側に装着されることで前記各ブラッシュ３２、３４を夫々個別的に駆動させる各駆動機構３６、３８（図２参照）と、から構成されている。
【００１６】
又、前記各ブラッシュ３２、３４は、清掃機本体２の吸入口３０の一方側面に所定間隔を有して平行に配置され、第１ブラッシュ３２及び第２ブラッシュ３４に嵌合された第１ヒンジ軸４０及び第２ヒンジ軸４２が夫々回動自在に軸支されて構成されている。
又、それら駆動機構３６、３８は、図２に示したように、前記第１ヒンジ軸４０を回動させる第１駆動機構３６と、前記第２ヒンジ軸４２を駆動させる第２駆動機構３８と、から構成されることで、それら第１ブラッシュ３２及び第２ブラッシュ３４を夫々個別的に駆動させる。
【００１７】
即ち、前記第１及び第２駆動機構３６、３８は、前記制御部６から印加される信号によって正方向及び逆方向に駆動される第１及び第２駆動モータ４６、４８と、それら第１及び第２駆動モータ４６、４８と前記第１及び第２ヒンジ軸４０、４２間に連結されることで、前記第１及び第２駆動モータ４６、４８の駆動力を前記第１及び第２ヒンジ軸４０、４２に夫々伝達する動力伝達機構から構成される。
且つ、それら動力伝達機構は、前記第１及び第２駆動モータ４６、４８の回転軸に夫々嵌合された各駆動プーリ５０、５２と、前記第１及び第２ヒンジ軸４０、４２に夫々嵌合された従動プーリ５４、５６と、それら駆動プーリ５０、５２と従動プーリ５４、５６間に掛合された各タイミングベルト５８、６０と、から構成されている。
【００１８】
このように構成された本発明に係る清掃機の吸入装置の動作を説明すると次のようである。
使用者が清掃機の動作スイッチをオンさせると、充電バッテリ１６の電源が吸入モータ２２に印加されて、該吸入モータ２２が駆動され、該吸入モータ２２の吸入力により床上の塵及び汚物が吸入口３０に吸入されることで、吸入管２８を通してフィルター２４に捕集される。
【００１９】
次いで、図２に示したように、制御部６の制御により第１駆動モータ４６及び第２駆動モータ４８に電源を印加して、それら前記第１及び第２駆動モータ４６、４８が駆動され、駆動伝達機構により第１ヒンジ軸４０及び第２ヒンジ軸４２が回転して、図３の如く第１ブラッシュ３２が矢印Ｐ方向に回転し、第２ブラッシュ３４が矢印Ｑ方向に回転することで、床上の汚物を引き出して吸入口３０の内部に吸入させる。次いで、吸入された汚物は、吸入モータ２２の吸入力により吸入管２８を通してフィルター２４に捕集される。
このとき、第１ブラッシュ３２及び第２ブラッシュ３４は、前記第１駆動機構３６及び第２駆動機構３８により夫々個別的に駆動され、前記制御部６により個別的に制御されることで、清掃中の各条件に従って駆動方向が次のように変換される。
【００２０】
例えば、カーペットの上面を走行して清掃をするときは、図４に示したように、第１ブラッシュ３２及び第２ブラッシュ３４の回転方向を、矢印Ｒ方向と同様に夫々回転させることで、カーペットの縺れを防止することができる。
且つ、収去される汚物の容積が大きいため、前記第１ブラッシュ３２と第２ブラッシュ３４間に汚物が挟まるときは、図５に示したように、第１ブラッシュ３２を矢印Ｓ方向に回転させ、第２ブラッシュ３４は矢印Ｔ方向に回転させることで、それら第１ブラッシュ３２と第２ブラッシュ３４間に挟まった汚物を取り出すようになっている。
【００２１】
このように、第１ブラッシュ３２及び第２ブラッシュ３４の回転方向を清掃中の条件によって制御部６により変換させることで、廉価で奇麗な掃除を行うことができる。
又、前記動力伝達機構の他の実施形態として、前記第１及び第２駆動モータの回転軸に嵌合される各駆動プーリ５０、５２と、前記第１、第２ヒンジ軸４０、４２に嵌合される各従動プーリ５４、５６と、を夫々ギヤーに代替して構成することもできる。
又、このように構成された本発明に係る清掃機の吸入装置は、ロボット清掃機は勿論で、一般の如何なる清掃機にも利用することができる。
【００２２】
【発明の効果】
以上説明したように、本発明に係る清掃機の吸入装置においては、清掃機下面の吸入口側面に、第１及び第２ブラッシュを平行に設置して、夫々第１及び第２駆動機構により個別的に駆動されるようになっているため、汚物の大きさと量が多い場合でも、従来よりも廉価に奇麗な清掃を行い得るという効果がある。
又、二つの第１及び第２ブラッシュが、夫々第１及び第２駆動機構により個別に駆動されるため、清掃の地域と条件とに従って、それら第１及び第２ブラッシュの回転方向を変換することで迅速に対応し、使用者に便利感を与え得るという効果がある。
【図面の簡単な説明】
【図１】本発明に係る清掃機の構成を示した側断面図である。
【図２】本発明に係る清掃機の吸入装置を示した背面図である。
【図３】本発明に係る清掃機の吸入装置を示した側断面図である。
【図４】本発明に係る清掃機の第１及び第２ブラッシュを同一方向に回転させることで、カーペット表面の縺れを防止する動作を示した説明図である。
【図５】本発明に係る清掃機の第１及び第２ブラッシュを相互逆方向に回動させることで、吸入された大きい汚物を逆戻す動作を示した説明図である。
【図６】従来の清掃機の構成を示した側断面図である。
【符号の説明】
２…清掃機本体
４…吸入装置
６…制御部
８…駆動輪
１０…補助輪
１２…超音波送信部
１４…超音波受信部
１６…充電バッテリ
１８…充電端子
２０…接続端子
２２…吸入モータ
２４…フィルター
２６…フィルターコンテナ
２８…吸入管
３０…吸入口
３２…第１ブラッシュ
３４…第２ブラッシュ
３６…第１駆動機構
３８…第２駆動機構
４０…第１ヒンジ軸
４２…第２ヒンジ軸
４６…第１駆動モータ
４８…第２駆動モータ
５０、５２…駆動プーリ
５４、５６…被動プーリ
５８、６０…タイミングベルト[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an apparatus for sucking dust from a cleaning machine, and more particularly, to a suction apparatus for a cleaning machine that can improve the performance of the cleaning machine by using two brushes.
[0002]
[Prior art]
Generally, the robot cleaner cleans itself while moving without user's operation, and when the power of the charger is depleted, the robot cleaner itself moves to the charging body and performs charging to terminate charging. By returning to the cleaning area again, the cleaning can be continued.
[0003]
In a conventional robot cleaner, as shown in FIG. 6, a cleaner main body 102, a suction motor 104 housed in the cleaner main body 102 to generate a suction force, and a rear of the suction motor 104 A filter container 108 is mounted and contains a filter 106 for collecting dust or dirt sucked by the suction motor 104, and is connected to the filter container 108 by a suction pipe 110 to be cut and formed on the lower surface of the main body. Accordingly, the suction port 112 for sucking dust or dirt on the floor 150, the brush 114 rotatably supported by the hinge shaft 136 inside the suction port 112 to suction dirt on the floor, and the cleaning And a controller 116 for automatically running the machine for cleaning.
[0004]
Also, in front of the inside of the cleaner body 102, an ultrasonic transmitter 118 for transmitting ultrasonic waves when the cleaner body 102 moves to grasp the position of an obstacle, and a transmission from the ultrasonic transmitter 118. And an ultrasonic receiving unit 120 that receives the transmitted ultrasonic waves.
A charging terminal 122 and a charging battery 128 are mounted on the inner rear side of the cleaner body 102, and a connection terminal 126 is provided on a wall 124 in the room. Is connected, and the charging battery 128 is charged.
[0005]
In addition, a light emitting unit 140 necessary for guiding the charging terminal 122 to the connection terminal 126 of the indoor wall surface 124 is mounted on a rear side wall of the cleaner body 102, and is provided below the connection terminal 126 of the indoor wall surface 124. The light receiving unit 142 is attached to receive an optical signal emitted from the light emitting unit 140 of the cleaner body 102.
A drive wheel 130 driven by a signal from the control unit 116 is supported on the lower surface of the cleaner body 102, and an auxiliary wheel 132 is supported on the rear side of the drive wheel 130.
[0006]
The operation of the conventional cleaning device thus configured will be described as follows.
When the user presses the operation button, the power of the charging battery 128 is transmitted to the suction motor 104 and the suction motor 104 is driven. When the suction motor 104 is driven, dust and dirt on the floor are sucked from the suction port 112 and the suction pipe 110 is moved. It passes through and is collected by the filter 106. At this time, dust and dirt on the floor are sucked into the suction port 112 while the brush 114 is rotated, and the driving motor 104 is driven by a signal applied from the control unit 116, so that the cleaner body 102 is automatically moved while moving. Cleaning work is carried out.
[0007]
Next, when the cleaning device main body 102 is moved, the cleaning device main body 102 moves while avoiding an obstacle by the operation of the ultrasonic transmitting unit 118 and the ultrasonic receiving unit 120 in front of the cleaning device main unit 102. Further, when the voltage level of the charging battery 128 falls to or below the set value during the cleaning operation, the cleaning operation is stopped by the control of the control unit 116, and the cleaner main body 102 moves to the connection terminal 126 on the indoor wall surface, and the cleaning device When the charging terminal 122 on the rear surface of the main body 102 is connected to the connection terminal 126, the charging of the charging battery 128 is performed.
Next, when the charging of the charging battery 128 is completed, the charging terminal 122 of the cleaner body 102 is separated from the connection terminal 126 under the control of the control unit 116, and the cleaning operation is performed again.
[0008]
[Problems to be solved by the invention]
However, in such a conventional cleaning machine, a single brush is used to remove dirt stuck to the floor or to suck in large dirt. When there are many, there is an inconvenience that it is difficult to remove all of them and clean them cleanly.
In addition, if the capacity of the suction motor is increased to increase the suction force in order to compensate for such disadvantages, the cost increases and the noise increases.
[0009]
The present invention has been made in view of such a conventional problem, and is provided with a plurality of brushes, and by driving each brush individually, all the waste can be cleaned regardless of the amount and size of the waste. It is an object of the present invention to provide a suction device of a cleaning machine that can clean the cleaning device.
[0010]
[Means for Solving the Problems]
In order to achieve such an object, in the suction device for a cleaning machine according to the present invention, a control unit 6 that is housed inside the cleaning machine main body and controls a cleaning operation, and is mounted in front of the control unit 6 to suction the air. A suction motor 22 for generating an input, a filter 24 connected to the suction motor 22 for collecting dust and dirt, and a filter 24 connected to the filter 24 via a suction pipe 28 to be cut and formed on the lower surface of the cleaner body 2; Thus, the suction port 30 for sucking dust and dirt, and a plurality of brushes 32 and 34 rotatably supported by the side of the suction port 30 and sucking dust and dirt on the floor into the suction port 30. And drive mechanisms 36, 38 that are engaged with the brushes 32, 34 and rotate the brushes 32, 34, respectively.
[0011]
Further, the brushes 32 and 34 are a first brush 32 and a second brush 34 which are axially supported on the side of the suction port 30 at a predetermined interval and opposed to each other.
A first hinge shaft 40 and a second hinge shaft 42 are fitted to the centers of the first brush 32 and the second brush 34, respectively. The first hinge shaft 40 and the second hinge shaft 42 are rotatably supported by the side of the opening 30, and a driving groove is respectively engaged with the first hinge shaft 40 and the second hinge shaft 42.
[0012]
The driving mechanisms are a first driving mechanism engaged with the first hinge shaft 40 and a second driving mechanism engaged with the second hinge shaft.
Further, the first and second driving mechanisms include first and second driving motors 46 and 48 driven in forward and reverse directions by a signal applied from the control unit 6, respectively. When the second drive motors 46 and 48 are engaged with the first and second hinge shafts 40 and 42, the driving force of the first and second drive motors 46 and the second drive motor 48 is transmitted to the first hinge shaft and the second hinge shaft 40. The second hinge shafts 42 are configured to transmit the respective signals.
[0013]
The first and second drive mechanisms include drive pulleys 50 and 52 fitted to the rotation shafts of the first and second drive motors 46 and 48, respectively, and the first and second hinge shafts 40 and 42. , And driven pulleys 54 and 56 fitted respectively to the driving pulleys 50 and 52, and belts 58 and 60 engaged between the driven pulleys, respectively.
The belts 58 and 60 are timing belts.
The first and second drive mechanisms are driven gears fitted to the rotation shafts of the first and second drive motors 46 and 48, and are meshed with the drive gears and fitted to the second hinge shaft. The driven gears.
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
As shown in FIG. 1, a suction device for a cleaner according to the present invention includes a cleaner body 2 and a suction device that is housed inside the cleaner body 2 to suck and store dust and dirt on the floor. 4, a control unit 6 housed inside the cleaner body 2 to control the operation of the cleaner, and a driving wheel supported on the lower surface of the cleaner body 2 and driven by a signal from the controller 6. 8, an auxiliary wheel 10 supported on the lower surface of the cleaner body 2 behind the drive wheel 8 to support the cleaner body 2, and a cleaner mounted on the front side wall surface of the cleaner body 2 An ultrasonic transmitting unit 12 that transmits an ultrasonic wave when the main body 2 moves; an ultrasonic receiving unit 14 that is attached to a side of the ultrasonic transmitting unit 12 and receives an ultrasonic wave transmitted from the ultrasonic transmitting unit 12; A rechargeable battery 16 housed inside the cleaner body 2 at the rear, Square is placed on the side wall of the cleaner body, the time of charging a wall of the room was fitted connection terminals 20, a charging terminal 18 connected, and a.
[0015]
The suction device 4 includes a suction motor 22 that is housed inside the cleaner body 2 and generates a suction force, and a filter 24 that is connected to the suction motor 22 to collect dust and dirt. A filter container 26, a suction port 30 that is connected to the filter container 26 by a suction pipe 28, and suctions dust and dirt on the floor below the cleaner body 2, and a plurality of suction ports are mounted inside the suction port 30. The brushes 32 and 34 that take up the dirt attached to the floor by suction and suck the dirt into the suction port 30 and the brushes 32 and 34 that are attached to the lower side of the cleaner body 2 respectively. And drive mechanisms 36 and 38 (see FIG. 2) for driving the motors.
[0016]
The brushes 32 and 34 are arranged in parallel at a predetermined interval on one side of the suction port 30 of the cleaner body 2, and the first hinge fitted to the first brush 32 and the second brush 34. The shaft 40 and the second hinge shaft 42 are each rotatably supported.
As shown in FIG. 2, the driving mechanisms 36 and 38 include a first driving mechanism 36 for rotating the first hinge shaft 40 and a second driving mechanism 38 for driving the second hinge shaft 42. , The first brush 32 and the second brush 34 are individually driven.
[0017]
That is, the first and second driving mechanisms 36 and 38 include first and second driving motors 46 and 48 that are driven in the forward and reverse directions by a signal applied from the control unit 6, and the first and second driving mechanisms The driving force of the first and second drive motors 46 and 48 is connected between the second drive motors 46 and 48 and the first and second hinge shafts 40 and 42 so that the first and second hinge shafts are driven. And a power transmission mechanism for transmitting the power to each of the power transmission mechanisms 40 and 42.
The power transmission mechanisms are respectively fitted to the drive pulleys 50 and 52 fitted to the rotation shafts of the first and second drive motors 46 and 48, respectively, and to the first and second hinge shafts 40 and 42, respectively. The driving pulleys 50 and 52 and the timing belts 58 and 60 suspended between the driven pulleys 54 and 56 are constituted.
[0018]
The operation of the suction device of the cleaning device according to the present invention will now be described.
When the user turns on the operation switch of the cleaner, the power of the charging battery 16 is applied to the suction motor 22 to drive the suction motor 22, and the suction power of the suction motor 22 sucks dust and dirt on the floor. By being sucked into the mouth 30, it is collected by the filter 24 through the suction pipe 28.
[0019]
Next, as shown in FIG. 2, power is applied to the first drive motor 46 and the second drive motor 48 under the control of the control unit 6, and the first and second drive motors 46 and 48 are driven, When the first hinge shaft 40 and the second hinge shaft 42 are rotated by the drive transmission mechanism, the first brush 32 rotates in the direction of arrow P and the second brush 34 rotates in the direction of arrow Q as shown in FIG. The waste on the floor is drawn out and sucked into the suction port 30. Next, the sucked dirt is collected by the filter 24 through the suction pipe 28 by the suction force of the suction motor 22.
At this time, the first brush 32 and the second brush 34 are individually driven by the first driving mechanism 36 and the second driving mechanism 38, respectively, and are individually controlled by the control unit 6, so that the cleaning is performed during the cleaning. The driving direction is converted as follows according to the respective conditions.
[0020]
For example, when running on the upper surface of the carpet for cleaning, as shown in FIG. 4, by rotating the rotation directions of the first brush 32 and the second brush 34 in the same manner as the direction of the arrow R, the carpet is cleaned. Can be prevented.
In addition, since the volume of the collected waste is large, when the waste is caught between the first brush 32 and the second brush 34, the first brush 32 is rotated in the direction of arrow S as shown in FIG. By rotating the second brush 34 in the direction of the arrow T, the dirt caught between the first brush 32 and the second brush 34 is taken out.
[0021]
In this way, by changing the rotation direction of the first brush 32 and the second brush 34 by the control unit 6 according to the condition during cleaning, inexpensive and clean cleaning can be performed.
Further, as another embodiment of the power transmission mechanism, each of the drive pulleys 50 and 52 fitted to the rotation shafts of the first and second drive motors and the first and second hinge shafts 40 and 42 are fitted. The driven pulleys 54 and 56 to be combined with each other may be replaced with gears.
Further, the suction device for a cleaner according to the present invention thus configured can be used not only for a robot cleaner but also for any general cleaner.
[0022]
【The invention's effect】
As described above, in the suction device for a cleaning machine according to the present invention, the first and second brushes are installed in parallel on the side of the suction port on the lower surface of the cleaning machine, and are individually operated by the first and second driving mechanisms, respectively. Because of the fact that it is driven in an efficient manner, there is an effect that even when the size and amount of waste are large, clean cleaning can be performed at a lower cost than before.
Also, since the two first and second brushes are individually driven by the first and second driving mechanisms, respectively, the rotation directions of the first and second brushes are changed according to the area and condition of cleaning. In this case, there is an effect that the user can respond quickly and give the user a feeling of convenience.
[Brief description of the drawings]
FIG. 1 is a side sectional view showing a configuration of a cleaning machine according to the present invention.
FIG. 2 is a rear view showing the suction device of the cleaning device according to the present invention.
FIG. 3 is a side sectional view showing a suction device of the cleaning machine according to the present invention.
FIG. 4 is an explanatory diagram showing an operation of preventing the entanglement of the carpet surface by rotating the first and second brushes of the cleaning machine according to the present invention in the same direction.
FIG. 5 is an explanatory view showing an operation of returning the inhaled large waste by rotating the first and second brushes of the cleaning machine according to the present invention in opposite directions.
FIG. 6 is a side sectional view showing a configuration of a conventional cleaning machine.
[Explanation of symbols]
2 ... cleaner body 4 ... suction device 6 ... control unit 8 ... drive wheel 10 ... auxiliary wheel 12 ... ultrasonic transmission unit 14 ... ultrasonic reception unit 16 ... charging battery 18 ... charging terminal 20 ... connection terminal 22 ... suction motor 24 ... Filter 26 ... Filter container 28 ... Suction pipe 30 ... Suction port 32 ... First brush 34 ... Second brush 36 ... First drive mechanism 38 ... Second drive mechanism 40 ... First hinge shaft 42 ... Second hinge shaft 46 ... First drive motor 48 Second drive motors 50 and 52 Drive pulleys 54 and 56 Driven pulleys 58 and 60 Timing belt

Claims (16)

清掃機本体の内部に収納されて清掃動作を制御する制御部と、該制御部の前方に装着されて吸入力を発生する吸入モータと、
該吸入モータに連結されて塵及び汚物を捕集するフィルターと、
該フィルターに吸入管により連結されて前記清掃機本体の下面に切削形成されることで、床上の塵及び汚物を吸入する吸入口と、
該吸入口の側面に回動自在に軸支されることで、床上の汚物を吸入する複数のブラッシュと、
それらブラッシュに係合されてそれらブラッシュを回動させる駆動機構と、を包含して構成された清掃機の吸入装置。A control unit that is housed inside the cleaner body and controls a cleaning operation, and a suction motor that is mounted in front of the control unit and generates a suction force,
A filter connected to the suction motor to collect dust and dirt,
A suction port for sucking dust and dirt on the floor by being cut and formed on the lower surface of the cleaner body by being connected to the filter by a suction pipe;
A plurality of brushes for sucking dirt on the floor by being rotatably supported on the side surface of the suction port,
A drive mechanism that is engaged with the brushes and rotates the brushes, and a suction device for a cleaning machine configured to include the drive mechanism. 前記各ブラッシュは、前記吸入口側面に所定間隔を有して相互対向するように軸支される第１ブラッシュ及び第２ブラッシュであることを特徴とする請求項１記載の清掃機の吸入装置。2. The suction device according to claim 1, wherein each of the brushes is a first brush and a second brush that are axially supported so as to face each other at a predetermined interval on a side surface of the suction port. 3. 前記第１ブラッシュ及び第２ブラッシュの中心には、夫々第１ヒンジ軸及び第２ヒンジ軸が嵌合されることで、それら第１ヒンジ軸及び第２ヒンジ軸が前記吸入口の側面に回動自在に軸支され、それら第１ヒンジ軸及び第２ヒンジ軸には、夫々駆動機構が係合されることを特徴とする請求項２記載の清掃機の吸入装置。A first hinge shaft and a second hinge shaft are fitted to the centers of the first brush and the second brush, respectively, so that the first hinge shaft and the second hinge shaft rotate to the side surface of the suction port. The suction device of a cleaning machine according to claim 2, wherein the first hinge shaft and the second hinge shaft are freely supported, and a driving mechanism is engaged with each of the first hinge shaft and the second hinge shaft. 前記各駆動機構は、前記第１ヒンジ軸に係合される第１駆動機構と、前記第２ヒンジ軸に係合される第２駆動機構であることを特徴とする請求項３記載の清掃機の吸入装置。The cleaning device according to claim 3, wherein each of the driving mechanisms is a first driving mechanism that is engaged with the first hinge shaft and a second driving mechanism that is engaged with the second hinge shaft. Inhalation device. 前記第１及び第２駆動機構は、前記制御部から印加する信号によって正方向及び逆方向に駆動される第１及び第２駆動モータを具備し、
前記第１及び第２駆動モータが前記第１及び第２ヒンジ軸に夫々係合されることで、前記第１及び第２駆動モータの駆動力を前記第１及び第２ヒンジ軸に伝達するように構成されることを特徴とする請求項４記載の清掃機の吸入装置。The first and second drive mechanisms include first and second drive motors driven in forward and reverse directions by a signal applied from the control unit,
The first and second drive motors are engaged with the first and second hinge shafts, respectively, so that the driving force of the first and second drive motors is transmitted to the first and second hinge shafts. The suction device for a cleaning machine according to claim 4, wherein the suction device is configured as follows. 前記第１及び第２駆動機構は、第１及び第２駆動モータの回転軸に夫々嵌合された駆動プーリと、前記第１及び第２ヒンジ軸に夫々嵌合された従動プーリと、それら各駆動プーリと各従動プーリ間に掛合されたベルトと、から構成されることを特徴とする請求項５記載の清掃機の吸入装置。The first and second drive mechanisms include a drive pulley fitted to the rotation shafts of the first and second drive motors, a driven pulley fitted to the first and second hinge shafts, respectively, The suction device for a cleaning machine according to claim 5, further comprising a driving pulley and a belt hung between the driven pulleys. 前記ベルトは、タイミングベルトであることを特徴とする請求項６記載の清掃機の吸入装置。The suction device of a cleaning machine according to claim 6, wherein the belt is a timing belt. 前記第１及び第２駆動機構は、前記第１及び第２駆動モータの回転軸に夫々嵌合された駆動ギヤーと、それら駆動ギヤーに噛合されるように前記第１及び第２ヒンジ軸に夫々嵌合された従動ギヤーと、から構成されることを特徴とする請求項５記載の清掃機の吸入装置。The first and second drive mechanisms respectively include a drive gear fitted to the rotation shafts of the first and second drive motors and a first gear and a second hinge shaft respectively meshed with the drive gears. 6. The suction device for a cleaning machine according to claim 5, comprising a driven gear fitted to the driven gear. 塵及び汚物を吸入する吸入口を有して、自身が移動しながら清掃作業を行うロボット清掃機であって、
前記吸入口の前方に回動自在に軸支されて、前記吸入口に汚物を吸入させる複数のブラッシュと、
それらブラッシュを夫々回動させる駆動機構と、を包含して構成されたことを特徴とするロボット清掃機の吸入装置。A robot cleaner having a suction port for sucking dust and dirt, and performing a cleaning operation while moving itself,
A plurality of brushes which are rotatably supported in front of the suction port and allow the suction port to inhale filth;
An inhaler for a robot cleaner, comprising: a drive mechanism for rotating each of the brushes. 前記各ブラッシュは、前記吸入口の前方に相互対向して配置された第１及び第２ブラッシュであることを特徴とする請求項９記載のロボット清掃機の吸入装置。The suction device of a robot cleaner according to claim 9, wherein the brushes are first and second brushes disposed in front of the suction port so as to face each other. 前記第１及び第２ブラッシュには、第１及び第２ヒンジ軸が夫々嵌合されることで、それら第１及び第２ヒンジ軸が前記吸入口の前方に夫々回動自在に嵌合され、それら第１及び第２ヒンジ軸は、前記駆動機構に夫々係合されることを特徴とする請求項１０記載のロボット清掃機の吸入装置。By fitting the first and second hinge shafts to the first and second brushes, respectively, the first and second hinge shafts are rotatably fitted to the front of the suction port, respectively. The suction device according to claim 10, wherein the first and second hinge shafts are respectively engaged with the driving mechanism. 前記駆動機構は、前記第１ヒンジ軸に係合された第１駆動機構と、前記第２ヒンジ軸に係合された第２駆動機構と、から構成されることを特徴とする請求項１１記載のロボット清掃機の吸入装置。12. The drive mechanism according to claim 11, wherein the drive mechanism includes a first drive mechanism engaged with the first hinge shaft, and a second drive mechanism engaged with the second hinge shaft. Suction device for robot cleaning machine. 前記第１及び第２駆動機構は、前記制御部から印加される信号によって正方向及び逆方向に駆動される第１及び第２駆動モータを具備し、
前記第１及び第２駆動モータが前記第１及び第２ヒンジ軸に夫々係合されることで、前記第１及び第２駆動モータの駆動力を前記第１及び第２ヒンジ軸に伝達するように構成されたことを特徴とする請求項１２記載のロボット清掃機の吸入装置。The first and second drive mechanisms include first and second drive motors driven in forward and reverse directions by a signal applied from the control unit,
The first and second drive motors are engaged with the first and second hinge shafts, respectively, so that the driving force of the first and second drive motors is transmitted to the first and second hinge shafts. 13. The suction device for a robot cleaning machine according to claim 12, wherein the suction device is configured as follows. 前記第１及び第２駆動機構は、前記第１及び第２駆動モータの回転軸に夫々嵌合された駆動プーリと、前記第１及び第２ヒンジ軸に夫々嵌合された従動プーリと、それら駆動プーリと前記従動プーリ間に掛合されたベルトと、から構成されることを特徴とする請求項１３記載のロボット清掃機の吸入装置。The first and second drive mechanisms include a drive pulley fitted to the rotation shafts of the first and second drive motors, a driven pulley fitted to the first and second hinge shafts, respectively, 14. The suction device for a robot cleaner according to claim 13, further comprising a driving pulley and a belt hung between the driven pulleys. 前記ベルトは、タイミングベルトであることを特徴とする請求項１４記載のロボット清掃機の吸入装置。The inhaler according to claim 14, wherein the belt is a timing belt. 前記第１及び第２駆動機構は、前記第１及び第２駆動モータの回転軸に夫々嵌合された駆動ギヤーと、それら駆動ギヤーに噛合されて前記第１及び第２ヒンジ軸に夫々嵌合される各従動ギヤーと、から構成されることを特徴とする請求項１３記載のロボット清掃機の吸入装置。The first and second drive mechanisms are driven gears respectively fitted to the rotation shafts of the first and second drive motors, and are respectively meshed with the drive gears and fitted to the first and second hinge shafts, respectively. The suction device for a robot cleaner according to claim 13, further comprising: a driven gear to be driven.
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