JP2004057242A

JP2004057242A - Cleaning device

Info

Publication number: JP2004057242A
Application number: JP2002215835A
Authority: JP
Inventors: Hirotoshi Tawara; 田原　宏俊
Original assignee: Kao Corp
Current assignee: Kao Corp
Priority date: 2002-07-24
Filing date: 2002-07-24
Publication date: 2004-02-26
Anticipated expiration: 2022-07-24
Also published as: JP4133076B2

Abstract

PROBLEM TO BE SOLVED: To provide a cleaning device which has an improved dust scraping capacity by increasing a relative speed of a scraping member of a scraping body to a floor surface and extends the range of cleaning the floor surface close to a wall. SOLUTION: The cleaning device 10 includes the scraping body 16 and a dust collection means (a tacky roll 21, a dustpan part 23), and the body 16 comprises the scraping member 16B and a tire part 16C. An accelerating means 60 which accelerates the rotation of the tire part 16C and transmits the speed to the member 16B is provided on the cleaning device 10, and the connecting part between the means 60 and the member 16B is provided inside the projection plane of the tire part 16C when viewed from the axial direction of the tire part 16C. COPYRIGHT: (C)2004,JPO

Description

【０００１】
【発明の属する技術分野】
本発明は清掃具に関する。
【０００２】
【従来の技術】
清掃具として、特公昭５７−５８９３９号公報に記載の如く、フレームにブラシと塵取部を支持し、床面上を転動する原動輪によって従動輪を回転させ、この従動輪の回転によってブラシを回転させるものがある。
【０００３】
【発明が解決しようとする課題】
従来技術では、前記原動輪と従動輪の噛合い直径の選定によってブラシの回転を原動輪の回転より増速することにより、ブラシの床面に対する相対速度を大きくし、ブラシによるゴミ掻き上げ能力を向上することが考えられる。
【０００４】
しかしながら、従来技術には以下の問題点がある。
一般に、清掃具の先端が清掃進み方向の壁等に突き当たったときには、壁からブラシまでの範囲のゴミは清掃できない。
【０００５】
従来技術では、ブラシが連結される従動輪に対し、清掃進み方向の前方側に原動輪を配置している。従って、清掃具の先端とブラシとの間に原動輪が存在し、清掃可能範囲が狭くなる。
【０００６】
また、従来技術では、ブラシの回転方向が原動輪の回転方向と反対方向となっており、ブラシによる床面からのゴミ掻き上げ方向が清掃具の清掃進み方向の前方に向き、ブラシの前方に塵取部を配置する必要がある。従って、清掃具の先端とブラシとの間に塵取部が存在し、前述の清掃可能範囲が狭くなる。
【０００７】
本発明の課題は、清掃具において、掻き上げ体の掻き上げ部材が床面に対する相対速度を大きくしてゴミ掻き上げ能力を向上しながら、床面の清掃可能範囲を壁等の近くまで広げることにある。
【０００８】
【課題を解決するための手段】
請求項１の発明は、フレームに掻き上げ体とゴミ捕集手段を支持し、掻き上げ体が床面上を転動するタイヤと、該タイヤの回転に連動して回転し、床面上のゴミをゴミ捕集手段の側に掻き上げる掻き上げ部材とを有してなる清掃具であって、タイヤの回転を増速して掻き上げ部材に伝える増速手段を設け、該増速手段と該掻き上げ部材との連結部をタイヤの軸方向視でタイヤの投影面内に設けるようにしたものである。
【０００９】
請求項２の発明は、フレームに掻き上げ体とゴミ捕集手段を支持し、掻き上げ体が床面上を転動するタイヤと、該タイヤの回転に連動して回転し、床面上のゴミをゴミ捕集手段の側に掻き上げる掻き上げ部材とを有してなる清掃具であって、タイヤの回転を増速して掻き上げ部材に伝える増速手段を設け、かつ該掻き上げ部材の回転方向をタイヤの回転方向と同一方向にするようにしたものである。
【００１０】
【発明の実施の形態】
清掃具１０は、床面１上のゴミ、例えばカーペット等の繊維に絡み付いた髪の毛等のゴミを捕集するものであり、図１〜図３に示す如く、柄１１の先端部に継手部１２を介して支持アーム１３を結合し、支持アーム１３の両側アーム部１３Ａに支軸部１４を介してフレーム１５を前後方向に揺動自在に支持している。
【００１１】
フレーム１５の前部には可撓掻き上げ体１６が回動自在に支持され、フレーム１５の後部には回転体１８が回動自在に支持され、掻き上げ体１６と回転体１８は平行に並べられて配置される。
【００１２】
掻き上げ体１６は、支軸１６Ａと、支軸１６Ａの軸方向の全長に渡って植設されたブラシからなる掻き上げ部材１６Ｂと、支軸１６Ａの両端部に結合された両側のタイヤ部１６Ｃからなる。掻き上げ部材１６Ｂは粘着ロール２１に接触しても、接触しなくても良い。両側のタイヤ部１６Ｃは該タイヤ部１６Ｃにゴミがかみ込まないようにフレーム１５の両外側に配置されるが、フレーム１５の内側に設けても良い。
【００１３】
回転体１８は、粘着ロール２１のための駆動手段であり、支軸１８Ａと、支軸１８Ａの軸方向の両端側２位置（軸方向３位置等の複数位置でも可）に固定される円盤状の回転子１８Ｂと、支軸１８Ａの両端部に結合された両側のタイヤ部１８Ｃからなる。回転子１８Ｂは粘着ロール２１に接触する。両側のタイヤ部１８Ｃはフレーム１５の両外側に配置される。
【００１４】
掻き上げ体１６と回転体１８の回転子１８Ｂの上には、それらに跨がる粘着ロール２１（ゴミ捕集手段）が乗せられ、粘着ロール２１は掻き上げ体１６と回転体１８の回転に連れ回る。フレーム１５の上部は粘着ロール２１の出し入れ口とされ、取外し可能な透明カバー１５Ａにより被覆される。粘着ロール２１は、粘着シートの巻取りロールの構成、又は表面が粘着性のエラストマーからなり、その表面を洗浄して再使用可能とする構成等を含む。本実施例の粘着ロール２１は、粘着シート２１Ａをコア２１Ｂに巻き回し、粘着シート２１Ａの粘着面を外側に向けて巻出し可能かつ切断可能にした巻取りロールにて構成される。
【００１５】
フレーム１５における掻き上げ体１６の後部には塵取部２３（ゴミ捕集手段）が支持されている。塵取部２３は、床面に接する底面部２３Ａと、掻き上げ体１６に隙間なく（又は隙間を介して）相対する曲面状（又は平面状）のすくい面部２３Ｂと、回転体１８の回転子１８Ｂの下方の前後に渡る範囲に延在される凹状のゴミ受け部２３Ｃを有する。塵取部２３は、フレーム１５に後述する如くに上下に揺動可能に支持され、自重により底面部２３Ａとすくい面部２３Ｂの最下端部を床面に隙間なく接し、掻き上げ体１６の掻き上げ部材１６Ｂが掻き上げるゴミを床面に沿う後方に逃がすことなく、その全てのゴミをすくい面部２３Ｂにより粘着ロール２１の側にガイドし、大きなゴミはすくい面部２３Ｂに後続するゴミ受け部２３Ｃに送り込む。
【００１６】
清掃具１０では、塵取部２３をフレーム１５に対し、掻き上げ体１６とは独立に上下に揺動可能に支持するとともに、塵取部２３のゴミ受け部２３Ｃをフレーム１５から開放可能に支持した。
【００１７】
具体的には、塵取部２３における掻き上げ体１６に近い側の前側端を揺動部４０（塵取部２３の前端側両側面に設けたピン４１を、フレーム１５の両側壁に設けた長孔４２の中で上下動可能に係入したもの）によりフレーム１５に揺動可能に支持する。また、塵取部２３における掻き上げ体１６から遠い側の後側端に設けた係脱部５０の孔５１を、フレーム１５に設けた係脱可能ピン５２に係脱可能にし、孔５１を係脱可能ピン５２から外して塵取部２３の後側端をフレーム１５から開放可能に支持する。塵取部２３の孔５１をフレーム１５の係脱可能ピン５２に係入した状態で、係脱可能ピン５２を塵取部２３の揺動の中心軸とし、塵取部２３の孔５１をフレーム１５の係脱可能ピン５２から外した状態で、揺動部４０を塵取部２３の開放の中心軸とする。
【００１８】
清掃具１０による清掃動作は以下の通りなされる。
（１）柄１１の軸方向に加える操作力により清掃具１０を前進させ、掻き上げ体１６及び回転体１８を回動させ、同時に粘着ロール２１を連れ回り回転させる。
【００１９】
（２）掻き上げ体１６の掻き上げ部材１６Ｂが床面上のゴミを掻き上げると、このゴミは塵取部２３のすくい面部２３Ｂにガイドされて粘着ロール２１の側に送り出され、粘着ロール２１の粘着面に吸着捕捉される。大きなゴミはすくい面部２３Ｂからゴミ受け部２３Ｃに送り込まれて捕捉される。
【００２０】
（３）透明カバー１５Ａを通して粘着ロール２１の粘着面の全周に多量のゴミが捕捉されたことが視認されたら、カバー１５Ａを開いて粘着シート２１Ａの１周分を剥離切断除去し、新規粘着面を露出せしめた後、カバー１５Ａを閉じる。
【００２１】
（４）透明なフレーム１５や塵取部２３を通して、塵取部２３のゴミ受け部２３Ｃに多量のゴミがたまったことを視認したら、塵取部２３の係脱部５０を外し、該塵取部２３を揺動部４０を中心として開放し、ゴミ受け部２３Ｃのゴミを廃棄する。
【００２２】
尚、清掃具１０は前進だけでなく、後進もできる。塵取部２３は、底面部２３Ａの尾端部をアール状に跳ね上げ、後進時にこの尾端部が床面に引掛かるのを防止する。
【００２３】
清掃具１０にあっては、前述した如く、回転体１８が支軸１８Ａと回転子１８Ｂとからなるものにしたから、下記（ａ）、（ｂ）の構成を具備することになる。尚、回転体１８の支軸１８Ａ及び回転子１８Ｂは、フレーム１５と塵取部２３に挟まれる空間に配置される。
【００２４】
（ａ）回転体１８の支軸１８Ａは、回転子１８Ｂが固定されていない部分で、粘着ロール２１と大きな隙間を介して離隔する（図３）。
【００２５】
（ｂ）回転体１８の支軸１８Ａは、回転子１８Ｂが固定されていない部分で、塵取部２３（ゴミ受け部２３Ｃの底面２３Ｄ）と、大きな隙間を介して離隔する（図２）。尚、ゴミ受け部２３Ｃの底面２３Ｄのうち、回転子１８Ｂに相対する部分は円弧状くぼみ部２３Ｅとされる。
【００２６】
ここで、回転体１８の回転子１８Ｂは、シリコンゴム製Ｏリング等の環状リング１８Ｄを外周に備える。環状リング１８Ｄは回転子１８Ｂに設けた環状溝に装填される。
【００２７】
尚、清掃具１０は、柄１１及び支持アーム１３によりフレーム１５を持ち上げた状態で、掻き上げ体１６の方が回転体１８より前方かつ上方に位置付けられる傾斜状態となるように、フレーム１５及びその取付部品の重心を支持アーム１３の支軸部１４まわりに位置設定している。清掃具１０における粘着ロール２１の交換等に際し、フレーム１５を持ち上げた上述の傾斜状態で、塵取部２３のゴミ受け部２３Ｃの中の前側（掻き上げ体１６の側）にあったゴミＡは、回転体１８の支軸１８Ａの下方を通ってゴミ受け部２３Ｃの回転体１８より後側に移動し、このゴミを透明樹脂からなるフレーム１５及び塵取部２３の外方から視認できる。清掃具１０において、回転体１８がストレート状円筒体からなるとき、回転体１８と塵取部２３の間へのゴミの噛み込みを防ぐ必要から、塵取部２３が回転体１８の前側に壁Ｗを設けた場合には、回転体１８より後側へのゴミＡの移動は生じない。
【００２８】
清掃具１０は、（Ａ）掻き上げ体１６において、タイヤ部１６Ｃの回転を増速して掻き上げ部材１６Ｂに伝える掻き上げ増速手段６０と、（Ｂ）粘着ロール２１を回転する粘着ロール駆動手段８０を以下の如くに備える。
【００２９】
（Ａ）掻き上げ増速手段６０
掻き上げ増速手段６０は、図１に示す如く、掻き上げ体１６におけるタイヤ部１６Ｃの回転を増速して掻き上げ部材１６Ｂに伝える。
【００３０】
掻き上げ増速手段６０は、図４〜図６に示す如く、フレーム１５の両側壁に設けた軸支部６１にベース６２の中空軸部６２Ａを挿着し、ベース６２の回り止め凸部６２Ｂを軸支部６１の回り止め溝６１Ａに回転方向で係止し、ベース６２の抜け止め膨出部６２Ｃをフレーム１５の内側面に衝接し、回り止めと抜け止めを図っている。
【００３１】
掻き上げ体１６の支軸１６Ａの両端部に回転方向一体に差込んで係合した太陽軸６３が、ベース６２の外側からその中空軸部６２Ａの中空部に回転自在に挿入配置され、太陽軸６３の外側端部には太陽歯車６４を設けてある。太陽歯車６４は掻き上げ体１６の回転中心に設けられるものになる。
【００３２】
ベース６２の外周にはカップ状のタイヤ部１６Ｃが回転可能に嵌装されている。ベース６２に嵌装されたタイヤ部１６Ｃの開口側内周部にはロックリング６５が螺着される。タイヤ部１６Ｃは、ベース６２の外周の大径部６２Ｄに直接的に、ベース６２の大径部６２Ｄに対する側傍部にロックリング６５を介して回転可能に嵌装される。
【００３３】
タイヤ部１６Ｃの側壁内側面で、その中心軸の周方向複数位置、好適には周方向等間隔をなす複数位置（本実施形態では周方向で等間隔をなす５等配位置）には遊星軸６６が突設され、各遊星軸６６に遊星歯車６７を枢着している。遊星歯車６７は、太陽歯車６４に噛合い、遊星軸６６を中心として自転しながら、太陽歯車６４の周囲を公転する。尚、各遊星軸６６は中空軸とされ、遊星歯車６７が遊星軸６６から脱落するのを防ぐ押えリング６８に設けた係合ピン６８Ａを遊星軸６６の中空部に挿着している。タイヤ部１６Ｃの側壁中心部には太陽軸６３の先端軸部６３Ａが挿入される凹部６９が設けられ、タイヤ部１６Ｃと押えリング６８は太陽軸６３に対して相対回転可能とされる。
【００３４】
ベース６２の内周部は遊星歯車６７、押えリング６８を収容する凹部７１とされ、その内周部には遊星歯車６７が噛合う内歯歯車７２が設けられる。
【００３５】
即ち、掻き上げ増速手段６０は、太陽歯車６４、遊星歯車６７及び内歯歯車７２からなる遊星歯車列により、タイヤ部１６Ｃの回転を倍率ａ１で増速して掻き上げ部材１６Ｂに伝える。太陽歯車６４のピッチ円径ｄ１、遊星歯車６７のピッチ円径をｄ２、内歯歯車７２のピッチ円径をｄ３とするとき、ｄ３＝ｄ１＋２ｄ２、ａ１＝（ｄ３／ｄ１）＋１である。ｄ１＝１２、ｄ２＝６、ｄ３＝２４のとき、ａ１＝３になる。
【００３６】
図７に示す如く、清掃具１０の進み速度ｖ０、タイヤ部１６Ｃの直径Ｄｔ、タイヤ部１６Ｃの回転速度ｎｔ、掻き上げ部材１６Ｂの直径Ｄｂ、掻き上げ部材１６Ｂの回転速度ｎｂ、掻き上げ部材１６Ｂの周速ｖｂのとき、下記（１）式〜（３）式が成立する。
ｖ０＝πＤｔｎｔ　　　　　　　　　　　　　　…（１）
ｎｂ＝ａ１ｎｔ　　　　　　　　　　　　　　　…（２）
ｖｂ＝πＤｂｎｂ＝（Ｄｂ／Ｄｔ）ａ１ｖ０　　　…（３）
【００３７】
また、掻き上げ増速手段６０は、掻き上げ部材１６Ｂとの連結部（太陽軸６３が掻き上げ部材１６Ｂの支軸１６Ａに連結される連結部）を、タイヤ部１６Ｃの軸方向視でタイヤ部１６Ｃの投影面内に設けている。
【００３８】
また、掻き上げ増速手段６０は、掻き上げ部材１６Ｂの回転方向をタイヤ部１６Ｃの回転方向と同一方向に設定している。
【００３９】
図８は、掻き上げ増速手段６０による掻き上げ部材１６Ｂの増速作用を示す。図８（Ａ）に示す如く、掻き上げ部材１６Ｂの回転がタイヤ部１６Ｃの回転と同等（ａ１＝１）であれば、タイヤ部１６Ｃの回転角度θによって掻き上げ部材１６ＢがＡ点からＢ点に進んだとき、掻き上げ部材１６Ｂの回転角度はθだけとなり、掻き上げ部材１６Ｂのブラシ植毛ａは実線位置から鎖線位置まで移動するだけであり、ブラシ植毛ａは床面１に対して略同じ位置にとどまり、ブラシ植毛ａは床面１上のゴミを抑えるだけであってカーペット等に絡み付いている毛屑等をとることができない。これに対し、図８（Ｂ）に示す如く、掻き上げ部材１６Ｂの回転が３倍速（ａ１＝３）で増速されると、タイヤ部１６Ｃの回転角度θによって掻き上げ部材１６ＢがＡ点からＢ点に進んだとき、掻き上げ部材１６Ｂの回転角度は３θとなり、掻き上げ部材１６Ｂのブラシ植毛ａは実線位置から鎖線位置まで大きく移動し、ブラシ植毛ａは床面１のカーペットの繊維内に入って高速でゴミを掻き上げ、カーペット等に絡み付いていた毛屑等もとれる。
【００４０】
従って、掻き上げ増速手段６０を備えた清掃具１０によれば以下の作用がある。
【００４１】
▲１▼掻き上げ体１６の掻き上げ部材１６Ｂ（ブラシ）の回転を、床面１上を転動するタイヤ部１６Ｃの回転より増速することにより、掻き上げ部材１６Ｂの床面に対する相対速度が大きくなり、（ａ）掻き上げ部材１６Ｂのブラシ先端がカーペット等の繊維の中に入ってゴミを掻き上げる速さが早くなるからカーペット等に絡み付いている糸屑もとれ、掻き上げ部材１６Ｂによるゴミ掻き上げ力を向上できる。また、（ｂ）掻き上げ部材１６Ｂの後方に配置されている塵取部２３の前方床面上のゴミを、塵取部２３の到着前段階で塵取部２３の側に送り込みでき、清掃具１０の先端と塵取部２３の間のゴミもとれ、清掃具１０による清掃可能範囲を壁等の近くまで広げることができる。
【００４２】
▲２▼掻き上げ部材１６Ｂのための増速手段６０と該掻き上げ部材１６Ｂとの連結部を、タイヤ部１６Ｃの投影面内に設けたから、清掃具１０の先端と掻き上げ部材１６Ｂとの間にタイヤ部１６Ｃを存在させることがない。本実施形態では、増速手段６０と掻き上げ部材１６Ｂの中心軸（支軸１６Ａ）との連結部をタイヤ部１６Ｃの投影面内に設けたから、清掃具１０の先端と掻き上げ部材１６Ｂの中心軸との間にタイヤ部１６Ｃの全体を存在させることがない。これにより、清掃具１０による清掃可能範囲を壁等の近くまで広げることができる。
【００４３】
▲３▼掻き上げ部材１６Ｂの回転方向をタイヤ部１６Ｃの回転方向と同一方向にした。従って、掻き上げ部材１６Ｂによる床面からのゴミ掻き上げ方向が清掃具１０の清掃進み方向の後方に向き、ゴミ捕捉手段（粘着ロール２１と塵取部２３）は掻き上げ部材１６Ｂの後方に設けるものになる。従って、清掃具１０の先端と掻き上げ部材１６Ｂとの間にゴミ捕集手段を存在させることがなく、清掃具１０による清掃可能範囲を壁等の近くまで広げることができる。
【００４４】
（Ｂ）粘着ロール駆動手段８０
粘着ロール駆動手段８０は、前述の回転体１８により構成され、粘着ロール２１を掻き上げ体１６における掻き上げ部材１６Ｂの回転方向と反対方向に回転させるものである。
【００４５】
回転体１８は、前述の如く、フレーム１５に支持されて床面上を転動するとともに、その回転により粘着ロール２１を回転する。具体的には、回転体１８は、床面上を転動するタイヤ部１８Ｃと、タイヤ部１８Ｃの回転に連動するとともに、粘着ロール２１に接触して該粘着ロール２１を回転する円盤状の回転子１８Ｂ（最外径部分は環状リング１８Ｄで構成される）とを有する。粘着ロール２１が回転子１８Ｂ（環状リング１８Ｄ）に滑りなく接触回転するから、回転子１８Ｂ（環状リング１８Ｄ）の周速ｖｒが粘着ロール２１の周速と同一になる。
【００４６】
粘着ロール駆動手段８０は、回転体１８におけるタイヤ部１８Ｃの回転を増速して回転子１８Ｂ（環状リング１８Ｄ）に伝える増速手段８０Ａを有する。増速手段８０Ａは、前述の掻き上げ部材１６Ｂのための増速手段６０と同一の遊星歯車列により構成できる。
【００４７】
即ち、増速手段８０Ａは、図９〜図１１に示す如く、フレーム１５の両側壁に設けた軸支部８１にベース８２の中空軸部８２Ａを挿着し、ベース８２の回り止め凸部８２Ｂを軸支部８１の回り止め溝８１Ａに回転方向で係止し、ベース８２の抜け止め膨出部８２Ｃをフレーム１５の内側面に衝接し、回り止めと抜け止めを図っている。
【００４８】
回転体１８の支軸１８Ａの両端部に回転方向一体に差込んで係合した太陽軸８３が、ベース８２の外側からその中空軸部８２Ａの中空部に回転自在に挿入配置され、太陽軸８３の外側端部には太陽歯車８４を設けてある。太陽歯車８４は回転体１８の回転中心に設けられるものになる。
【００４９】
ベース８２の外周にはカップ状のタイヤ部１８Ｃが回転可能に嵌装されている。ベース８２に嵌装されたタイヤ部１８Ｃの開口側内周部にはロックリング８５が螺着される。タイヤ部１８Ｃは、ベース８２の外周の大径部８２Ｄに直接的に、ベース８２の大径部８２Ｄに対する側傍部にロックリング８５を介して回転可能に嵌装される。
【００５０】
タイヤ部１８Ｃの側壁内側面で、その中心軸の周方向複数位置（本実施形態では５位置）には遊星軸８６が突設され、各遊星軸８６に遊星歯車８７を枢着している。遊星歯車８７は、太陽歯車８４に噛合い、遊星軸８６を中心として自転しながら、太陽歯車８４の周囲を公転する。尚、各遊星軸８６は中空軸とされ、遊星歯車８７が遊星軸８６から脱落するのを防ぐ押えリング８８に設けた係合ピン８８Ａを遊星軸８６の中空部に挿着している。タイヤ部１８Ｃの側壁中心部には太陽軸８３の先端軸部８３Ａが挿入される凹部８９が設けられ、タイヤ部１８Ｃと押えリング８８は太陽軸８３に対して相対回転可能とされる。
【００５１】
ベース８２の内周部は遊星歯車８７、押えリング８８を収容する凹部９１とされ、その内周部には遊星歯車８７が噛合う内歯歯車９２が設けられる。
【００５２】
即ち、増速手段８０Ａは、太陽歯車８４、遊星歯車８７及び内歯歯車９２からなる遊星歯車列により、タイヤ部１８Ｃの回転を倍率ａ２で増速して回転子１８Ｂに伝える。太陽歯車８４のピッチ円径ｄ１、遊星歯車８７のピッチ円径をｄ２、内歯歯車９２のピッチ円径をｄ３とするとき、ｄ３＝ｄ１＋２ｄ２、ａ２＝（ｄ３／ｄ１）＋１である。ｄ１＝１２、ｄ２＝６、ｄ３＝２４のとき、ａ２＝３になる。
【００５３】
図７に示す如く、清掃具１０の進み速度ｖ０、タイヤ部１８Ｃの直径Ｄｔ（掻き上げ体１６のタイヤ部１６Ｃの直径Ｄｔと同じとするとき）、タイヤ部１８Ｃの回転速度ｎｔ、回転子１８Ｂの直径Ｄｒ、回転子１８Ｂの回転速度ｎｒ、回転子１８Ｂの周速ｖｒのとき、下記（４）式〜（６）式が成立する。
Ｖ０＝πＤｔｎｔ　　　　　　　　　　　　　…（４）
ｎｒ＝ａ２ｎｔ　　　　　　　　　　　　　　…（５）
Ｖｒ＝πＤｒｎｒ＝（Ｄｒ／Ｄｔ）ａ２ｖ０　　…（６）
【００５４】
清掃具１０において、例えばＤｔ＝３４ｍｍ、Ｄｒ＝２０ｍｍ、Ｄｂ＝４０ｍｍ、ａ１＝ａ２＝３とするとき、前述（３）式、（６）式より、
Ｖｂ／Ｖｒ＝ａ１Ｄｂ／ａ２Ｄｒ＝２　　　　　…（７）
Ｖｂ＝２Ｖｒ　　　　　　　　　　　　　　　…（８）
が成立する。
【００５５】
また、粘着ロール駆動手段８０は、増速手段８０Ａと回転子１８Ｂとの連結部（太陽軸８３が回転子１８Ｂの支軸１８Ａに連結される連結部）を、タイヤ部１８Ｃの軸方向視でタイヤ部１８Ｃの投影面内に設けている。
【００５６】
また、粘着ロール駆動手段８０は、回転子１８Ｂの回転方向をタイヤ部１８Ｃの回転方向と同一方向に設定している。
【００５７】
従って、粘着ロール駆動手段８０、増速手段８０Ａを備えた清掃具１０によれば以下の作用がある。
【００５８】
▲１▼粘着ロール駆動手段８０が回転体１８の回転子１８Ｂをタイヤ部１８Ｃの回転より増速し、結果として回転子１８Ｂが接触して回転させる粘着ロール２１の周速を早くする。即ち、粘着ロール駆動手段８０を構成する回転体１８が粘着ロール２１を掻き上げ体１６の掻き上げ部材１６Ｂの回転方向と反対方向に、早い周速で回転する。従って、掻き上げ体１６の掻き上げ部材１６Ｂと粘着ロール２１とが相対し、掻き上げ部材１６Ｂが掻き上げたゴミを粘着ロール２１へ受け渡すゴミ受渡し領域で、粘着ロール２１の表面の移動方向を掻き上げ部材１６Ｂの移動方向に合致させ、かつ粘着ロール２１の移動速度が高速になる。これにより、掻き上げ部材１６Ｂのブラシ植毛に絡ませた髪の毛等のゴミの先端が粘着ロール２１に付着した後、粘着ロール２１がこの髪の毛等のゴミを掻き上げ部材１６Ｂの側から拭き取るように巻取り、粘着ロール２１により巻取捕集性を向上する。
【００５９】
▲２▼粘着ロール駆動手段８０による粘着ロール２１の高速回転化により、粘着ロール２１が前述のゴミ受渡し領域で掻き上げ体１６の掻き上げ部材１６Ｂに及ぼす回転抵抗を小さくする。従って、清掃具１０を前進させて掻き上げ体１６を回転させるために柄１１に加える清掃操作力を軽くできる。
【００６０】
▲３▼掻き上げ体１６と回転体１８をフレーム１５に支持し、掻き上げ体１６を清掃具１０の清掃進み方向の前方に、回転体１８をその清掃進み方向の後方に配置したとき、回転体１８に増速手段８０Ａを設けたから、回転体１８のタイヤ部１８Ｃに増速負荷起因の回転抵抗が作用し、回転体１８のタイヤ部１８Ｃは床面に対し滑ることなく安定的に接地する。このため、使用者が清掃具１０を前進させるために柄１１からフレーム１５に加える操作力の一部が、回転体１８のタイヤ部１８Ｃと床面との上記接地点（支点）まわりで、掻き上げ体１６のタイヤ部１６Ｃを床面に押付ける力として作用する。従って、掻き上げ体１６のタイヤ部１６Ｃが床面上を滑りなく転動して掻き上げ部材１６Ｂを確実に回転させるし、掻き上げ部材１６Ｂの先端を床面に対して弾性たわみ変形させた後の弾発的な復元作用に基づく掻き上げ力によりゴミを強力に掻き上げ、かつ掻き上げ部材１６Ｂの先端をカーペット等の繊維の深い部分にまでもぐらせてゴミを良く掻き出しできる。
【００６１】
（掻き上げ体１６のタイヤ部１６Ｃの材質）
毛足の長いカーペットを清掃するときには、掻き上げ体１６のタイヤ部１６Ｃの表面材にカーペットの繊維等との摩擦抵抗が大きい材質を用いた場合、タイヤ部１６は滑ることなく掻き上げ部材１６Ｂを確実に増速させる。即ち、タイヤ部１６Ｃは滑りなく回ろうとし、掻き上げ部材１６Ｂに回転トルクを与え続けようとする。ところが、掻き上げ部材１６Ｂはカーペットの繊維中に深く埋もれて回りにくくなり、掻き上げ部材１６Ｂがタイヤ部１６Ｃの回転を制動する状態となる。結果として、回転体１８のタイヤ部１８Ｃが床面から浮いてしまい、清掃できなくなるという不都合が生ずる。従って、掻き上げ体１６のタイヤ部１６Ｃの表面をある程度摩擦抵抗の小さい材質とすることで、タイヤ部１６Ｃはカーペットの繊維等との間で滑ることができ、上述の不都合を生じないから、軽く清掃できるようになる。例えばシリコンゴムは不良、軟質ポリエチレンは良である。この場合、掻き上げ部材１６Ｂはカーペットの表面に倣って回転するので、タイヤ部１６Ｃが滑っている分、増速回転しないものになるが、このように毛足の長いカーペットでは掻き上げ部材１６Ｂの先端がカーペットの中に深く入るし、カーペットの繊維が自在に撓んで該繊維に対するゴミの絡みも少ないので、掻き上げ部材１６Ｂの増速が十分でなくても掻き上げ部材１６Ｂの清掃掻き上げ効果を発揮できる。尚、繊維の毛足が短く密度の高いカーペットでは該繊維にゴミが絡んでとれ難いが、この場合、カーペットの繊維の剛性がしっかりしているので、タイヤ部１６Ｃの接地圧力が高くなるため、タイヤ部１６Ｃの表面材の摩擦係数が小さくても、十分な摩擦力が得られ、タイヤ部１６Ｃは滑らずに回転し、掻き上げ部材１６Ｂを増速回転できるため、カーペットの繊維に絡んだゴミもとることができる。
【００６２】
（回転体１８のタイヤ部１８Ｃの材質）
回転体１８のタイヤ部１８Ｃの表面材の摩擦係数は高いものが良い。回転体１８は、カーペットに接地しているのがタイヤ部１８Ｃだけであり、回転子１８Ｂはカーペットとは隔離されているため、タイヤ部１８Ｃの回転を阻害しないので、前述のように繊維の毛足の長いカーペットでも、回転子１８Ｂがタイヤ部１８Ｃの回転を制動するようなことがない。また、繊維の毛足の長いカーペットでは、タイヤ部１８Ｃがカーペットにふわっと載っているために、タイヤ部１８Ｃの接地圧力は低いが、タイヤ部１８Ｃの表面材の摩擦係数が大きい材質であれば、回転体１８Ｂにより確実に粘着ロールを回転させることができる。粘着ロール２１がスムースに回転すると、粘着ロール２１に接触している掻き上げ体１６の掻き上げ部材１６Ｂを掻き上げ回転させる方向に該掻き上げ部材１６Ｂを回そうとするので、掻き上げ部材１６Ｂの回転もスムースになり、ゴミ捕捉性能も向上する。例えばシリコンゴムは優良、軟質ポリエチレンは良である。
【００６３】
尚、掻き上げ体１６の掻き上げ部材１６Ｂのための増速手段６０、粘着ロール２１のための回転子１８Ｂの増速手段８０Ａは、図１２、図１３に示す如くの増速手段１００によることもできる。増速手段１００は、タイヤ部１６Ｃ（又は１８Ｃ）の回転中心の周囲に設けた大径内歯車１０１（大歯車）と、掻き上げ部材１６Ｂ（又は回転子１８Ｂ）の支軸１６Ａ（又は１８Ａ）（回転中心）の周囲に設けた小径外歯車１０２の噛合いからなる歯車列により構成でききる。増速手段１００は、大径内歯車１０１のピッチ円直径ｄａ、小径外歯車１０２のピッチ円直径ｄｂとするとき、増速倍率ａ１（又はａ２）＝ｄａ／ｄｂである。
【００６４】
増速手段１００において、小径外歯車１０２と掻き上げ部材１６Ｂ（又は回転子１８Ｂ）との連結部は、タイヤ部１６Ｃ（又は１８Ｃ）の軸方向視でタイヤ部１６Ｃ（又は１８Ｃ）の投影面内に設けられる。
【００６５】
増速手段１００において、掻き上げ部材１６Ｂ（又は回転子１８Ｂ）の回転方向は、タイヤ部１６Ｃ（又は１８Ｃ）の回転方向と同一方向になる。
【００６６】
【発明の効果】
以上のように本発明によれば、清掃具において、掻き上げ体の掻き上げ部材が床面に対する相対速度を大きくしてゴミ掻き上げ能力を向上しながら、床面の清掃可能範囲を壁等の近くまで広げることができる。
【図面の簡単な説明】
【図１】図１は清掃具を示す模式側面図である。
【図２】図２は清掃具の内部を示す縦断面図である。
【図３】図３は清掃具の内部を示す横断面図である。
【図４】図４は掻き上げ体の増速手段を示す断面図である。
【図５】図５は図４のＶ−Ｖ線に沿う断面図である。
【図６】図６は図４のＶＩ−ＶＩ線に沿う断面図である。
【図７】図７は掻き上げ体と回転体と粘着ロールの回転速度関係を示す模式図である。
【図８】図８は掻き上げ体の増速作用を示す模式図である。
【図９】図９は回転体の増速手段を示す断面図である。
【図１０】図１０は図９のＸ−Ｘ線に沿う断面図である。
【図１１】図１１は図９のＸＩ−ＸＩ線に沿う断面図である。
【図１２】図１２は増速手段の他の例を示す断面図である。
【図１３】図１３は図１２のＸＩＩＩ−ＸＩＩＩ線に沿う断面図である。
【符号の説明】
１０　清掃具
１５　フレーム
１６　掻き上げ体
１６Ｂ　掻き上げ部材
１６Ｃ　タイヤ部（タイヤ）
２１　粘着ロール（ゴミ捕集手段）
２３　塵取部（ゴミ捕集手段）
６０　増速手段
６４　太陽歯車
６７　遊星歯車
７２　内歯歯車
１００　増速手段
１０１　大径内歯車（大歯車）
１０２　小径外歯車（小歯車）[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a cleaning tool.
[0002]
[Prior art]
As a cleaning tool, as described in Japanese Patent Publication No. 57-58939, a brush and a dust collecting portion are supported on a frame, and a driven wheel is rotated by a driving wheel rolling on the floor, and the rotation of the driven wheel causes the brush to rotate. There is something that rotates.
[0003]
[Problems to be solved by the invention]
In the prior art, by selecting the meshing diameter of the driving wheel and the driven wheel, the rotation of the brush is increased more than the rotation of the driving wheel, so that the relative speed of the brush to the floor surface is increased, and the ability of the brush to scrape dust is increased. It can be improved.
[0004]
However, the prior art has the following problems.
Generally, when the tip of the cleaning tool hits a wall or the like in the cleaning progress direction, dust in the range from the wall to the brush cannot be cleaned.
[0005]
In the prior art, a driving wheel is arranged on the front side in the cleaning advance direction with respect to a driven wheel to which the brush is connected. Therefore, the driving wheel exists between the tip of the cleaning tool and the brush, and the cleaning range is narrowed.
[0006]
Further, in the conventional technology, the rotation direction of the brush is opposite to the rotation direction of the driving wheel, and the direction of scraping up dust from the floor surface by the brush is directed forward in the cleaning progress direction of the cleaning tool, and forward of the brush. It is necessary to arrange a dust collector. Therefore, a dust collecting portion exists between the tip of the cleaning tool and the brush, and the above-described cleaning range is narrowed.
[0007]
An object of the present invention is to provide a cleaning tool, in which a scraping member of a scraping body increases a relative speed with respect to a floor surface to improve a dust scraping ability, and expands a cleaning range of a floor surface to near a wall or the like. It is in.
[0008]
[Means for Solving the Problems]
The invention according to claim 1 supports a scraping body and dust collecting means on a frame, wherein the scraping body rolls on the floor, and rotates in conjunction with the rotation of the tire to rotate on the floor. A cleaning tool having a scraping member that scrapes garbage toward the dust collecting means, and a speed increasing means for increasing the rotation of the tire and transmitting the rotation to the scraping member. The connection portion with the scraping member is provided in the projection plane of the tire when viewed in the axial direction of the tire.
[0009]
The invention according to claim 2 supports the scraping body and the dust collecting means on the frame, and the scraping body rolls on the floor, and rotates in conjunction with the rotation of the tire to rotate on the floor. A cleaning tool having a scraping member for scraping dust toward a dust collecting means side, wherein a speed increasing means for increasing the rotation of a tire and transmitting the tire to the scraping member is provided, and the scraping member is provided. In the same direction as the rotation direction of the tire.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
The cleaning tool 10 collects dust on the floor 1, for example, dust such as hair entangled with fibers of a carpet or the like. As shown in FIGS. The frame 15 is swingably supported in the front-rear direction via the support shaft 14 on both side arm portions 13A of the support arm 13.
[0011]
A flexible scraping body 16 is rotatably supported at the front of the frame 15, and a rotating body 18 is rotatably supported at the rear of the frame 15. The scraping body 16 and the rotating body 18 are arranged in parallel. Placed.
[0012]
The scraping body 16 includes a spindle 16A, a scraping member 16B made of a brush implanted over the entire length of the spindle 16A in the axial direction, and tire portions 16C on both sides joined to both ends of the spindle 16A. Consists of The scraping member 16B may or may not contact the adhesive roll 21. The tire portions 16C on both sides are arranged on both outer sides of the frame 15 so that dust does not get into the tire portion 16C, but may be provided inside the frame 15.
[0013]
The rotating body 18 is a driving means for the adhesive roll 21, and is a disk-like member fixed to the support shaft 18 A and two positions on both ends in the axial direction of the support shaft 18 A (a plurality of positions such as three positions in the axial direction are also possible). And a tire portion 18C on both sides coupled to both ends of the support shaft 18A. The rotor 18B contacts the adhesive roll 21. The tire portions 18C on both sides are arranged on both outer sides of the frame 15.
[0014]
An adhesive roll 21 (garbage collecting means) straddling the scraping body 16 and the rotor 18B of the rotating body 18 is placed on the scraping body 16 and the rotating body 18 so that the adhesive roll 21 rotates the rotating body 18 and the rotating body 18. Take you around. The upper part of the frame 15 is used as a port for the adhesive roll 21 and is covered with a removable transparent cover 15A. The pressure-sensitive adhesive roll 21 includes a structure of a winding roll of a pressure-sensitive adhesive sheet, a structure in which the surface is made of a sticky elastomer, and a surface in which the surface is washed and reused. The pressure-sensitive adhesive roll 21 of the present embodiment is configured by a winding roll in which a pressure-sensitive adhesive sheet 21A is wound around a core 21B, and the pressure-sensitive adhesive surface of the pressure-sensitive adhesive sheet 21A can be unwound and cut out.
[0015]
At the rear of the scraping body 16 in the frame 15, a dust collecting section 23 (dust collecting means) is supported. The dust removal unit 23 includes a bottom surface 23 A in contact with the floor surface, a curved (or planar) rake surface 23 B opposed to the scraping body 16 without a gap (or through a gap), and a rotor of the rotating body 18. It has a concave dust receiving portion 23C extending in a range extending back and forth below 18B. The dust removing portion 23 is supported by the frame 15 so as to be able to swing up and down as described later, and the lower end portions of the bottom surface portion 23A and the rake face portion 23B are brought into contact with the floor surface without any gap by their own weight, and the scraping body 16 is scraped up. All the dust is guided by the rake face portion 23B to the side of the adhesive roll 21 without escaping the dust which is raised by the member 16B to the rear along the floor surface, and large dust is sent to the dust receiving portion 23C following the rake face portion 23B. .
[0016]
In the cleaning tool 10, the dust removing portion 23 is supported on the frame 15 so as to be vertically swingable independently of the scraping body 16, and the dust receiving portion 23 C of the dust removing portion 23 is supported so as to be openable from the frame 15. did.
[0017]
Specifically, the front end of the dust collecting portion 23 on the side closer to the scraping body 16 is provided with the swinging portion 40 (pins 41 provided on both sides of the front end of the dust collecting portion 23 are provided on both side walls of the frame 15). It is swingably supported on the frame 15 by a vertically movable member in the elongated hole 42). Further, the hole 51 of the engaging / disengaging portion 50 provided at the rear end of the dust removing portion 23 farther from the scraping body 16 can be disengaged with the detachable pin 52 provided on the frame 15, and the hole 51 is engaged. By detaching from the detachable pin 52, the rear end of the dust collecting portion 23 is supported so as to be openable from the frame 15. In a state where the hole 51 of the dust collecting section 23 is engaged with the detachable pin 52 of the frame 15, the detachable pin 52 is used as the center axis of the swing of the dust collecting section 23, and the hole 51 of the dust collecting section 23 is used as the frame. The swinging part 40 is set as the central axis of the opening of the dust removal part 23 in a state where the swinging part 40 is detached from the 15 detachable pins 52.
[0018]
The cleaning operation by the cleaning tool 10 is performed as follows.
(1) The cleaning tool 10 is moved forward by the operation force applied in the axial direction of the handle 11 to rotate the scraping body 16 and the rotating body 18 and simultaneously rotate the adhesive roll 21 together.
[0019]
(2) When the scraping member 16B of the scraping body 16 scrapes up dust on the floor surface, the dust is guided by the rake face portion 23B of the dust removing portion 23 and is sent out to the side of the adhesive roll 21, where the dust is removed. Is adsorbed and captured on the adhesive surface of Large dust is sent from the rake face portion 23B to the dust receiving portion 23C and is captured.
[0020]
(3) When it is visually recognized that a large amount of dust is caught on the entire circumference of the adhesive surface of the adhesive roll 21 through the transparent cover 15A, the cover 15A is opened, one round of the adhesive sheet 21A is peeled off, and the new adhesive is removed. After exposing the surface, the cover 15A is closed.
[0021]
(4) When it is visually recognized that a large amount of dust has accumulated in the dust receiving portion 23C of the dust collecting portion 23 through the transparent frame 15 and the dust collecting portion 23, the engaging / disengaging portion 50 of the dust collecting portion 23 is removed, and the dust collecting portion 23 is removed. The part 23 is opened around the swing part 40, and the dust in the dust receiving part 23C is discarded.
[0022]
The cleaning tool 10 can move not only forward but also backward. The dust removal portion 23 flips up the tail end of the bottom portion 23A in a round shape, and prevents the tail end from being caught on the floor surface when the vehicle moves backward.
[0023]
As described above, in the cleaning tool 10, the rotating body 18 is composed of the support shaft 18A and the rotor 18B. Therefore, the cleaning tool 10 has the following configurations (a) and (b). The support shaft 18A and the rotor 18B of the rotating body 18 are arranged in a space between the frame 15 and the dust removing portion 23.
[0024]
(A) The support shaft 18A of the rotating body 18 is separated from the adhesive roll 21 via a large gap at a portion where the rotor 18B is not fixed (FIG. 3).
[0025]
(B) The support shaft 18A of the rotating body 18 is separated from the dust removing portion 23 (the bottom surface 23D of the dust receiving portion 23C) through a large gap at a portion where the rotor 18B is not fixed (FIG. 2). The portion of the bottom surface 23D of the dust receiving portion 23C facing the rotor 18B is an arc-shaped recessed portion 23E.
[0026]
Here, the rotor 18B of the rotating body 18 includes an annular ring 18D such as a silicon rubber O-ring on the outer periphery. The annular ring 18D is loaded in an annular groove provided in the rotor 18B.
[0027]
In addition, the cleaning tool 10 is configured such that the frame 15 and the frame 15 are tilted such that the scraping body 16 is inclined forward and above the rotating body 18 in a state where the frame 15 is lifted by the handle 11 and the support arm 13. The center of gravity of the mounting component is set around the support shaft 14 of the support arm 13. When the adhesive roll 21 of the cleaning tool 10 is replaced or the like, the dust A on the front side (the side of the scraping body 16) in the dust receiving portion 23C of the dust removing portion 23 in the above-described inclined state where the frame 15 is lifted up. The dust moves below the rotating body 18 of the dust receiving portion 23C below the support shaft 18A of the rotating body 18 and the dust can be visually recognized from the outside of the frame 15 and the dust removing portion 23 made of the transparent resin. In the cleaning tool 10, when the rotating body 18 is formed of a straight cylindrical body, it is necessary to prevent the dust from being caught between the rotating body 18 and the dust collecting section 23. When W is provided, the dust A does not move to the rear side of the rotating body 18.
[0028]
The cleaning tool 10 includes (A) a speed-up device 60 that speeds up the rotation of the tire portion 16C in the scraping body 16 and transmits the rotation to the scraping member 16B, and (B) an adhesive roll driving the adhesive roll 21 to rotate. The means 80 is provided as follows.
[0029]
(A) Raising speed increasing means 60
As shown in FIG. 1, the scraping speed increasing means 60 speeds up the rotation of the tire portion 16C of the scraping body 16 and transmits the rotation to the scraping member 16B.
[0030]
As shown in FIGS. 4 to 6, the scraping speed increasing means 60 inserts the hollow shaft portion 62 A of the base 62 into the shaft support portions 61 provided on both side walls of the frame 15, and It is locked in the rotation preventing groove 61A of the shaft support 61 in the rotation direction, and the retaining bulging portion 62C of the base 62 abuts against the inner surface of the frame 15 to prevent the rotation and the retaining.
[0031]
A sun shaft 63, which is inserted into and engaged with both ends of the support shaft 16A of the scraping body 16 in a rotationally integrated manner, is rotatably inserted from the outside of the base 62 into the hollow portion of the hollow shaft portion 62A. A sun gear 64 is provided at the outer end of 63. The sun gear 64 is provided at the center of rotation of the scraping body 16.
[0032]
A cup-shaped tire portion 16C is rotatably fitted on the outer periphery of the base 62. A lock ring 65 is screwed into the inner peripheral portion on the opening side of the tire portion 16C fitted on the base 62. The tire portion 16 C is rotatably fitted via a lock ring 65 directly to a large-diameter portion 62 D on the outer periphery of the base 62 and to a side near the large-diameter portion 62 D of the base 62.
[0033]
A plurality of planetary shafts are provided on the inner surface of the side wall of the tire portion 16C at a plurality of positions in the circumferential direction of the central axis, preferably at a plurality of positions at equal circumferential intervals (in this embodiment, five equally-spaced positions at equal circumferential intervals). A planet gear 67 is pivotally mounted on each planet shaft 66. The planetary gear 67 meshes with the sun gear 64 and revolves around the sun gear 64 while rotating around the planetary shaft 66. Each planet shaft 66 is a hollow shaft, and an engaging pin 68A provided on a holding ring 68 for preventing the planet gear 67 from falling off from the planet shaft 66 is inserted into the hollow portion of the planet shaft 66. At the center of the side wall of the tire portion 16C, a concave portion 69 into which the tip shaft portion 63A of the sun shaft 63 is inserted is provided, and the tire portion 16C and the press ring 68 are rotatable relative to the sun shaft 63.
[0034]
An inner peripheral portion of the base 62 is a concave portion 71 for accommodating the planetary gear 67 and the holding ring 68, and an internal gear 72 with which the planetary gear 67 meshes is provided on the inner peripheral portion.
[0035]
That is, the scraping speed increasing means 60 transmits the rotation of the tire portion 16C to the scraping member 16B by increasing the speed of the rotation of the tire portion 16C at the magnification al by the planetary gear train including the sun gear 64, the planetary gear 67, and the internal gear 72. When the pitch diameter of the sun gear 64 is d1, the pitch diameter of the planetary gear 67 is d2, and the pitch diameter of the internal gear 72 is d3, d3 = d1 + 2d2 and a1 = (d3 / d1) +1. When d1 = 12, d2 = 6 and d3 = 24, a1 = 3.
[0036]
As shown in FIG. 7, the advance speed v0 of the cleaning tool 10, the diameter Dt of the tire portion 16C, the rotation speed nt of the tire portion 16C, the diameter Db of the scraping member 16B, the rotation speed nb of the scraping member 16B, and the scraping member 16B. At the peripheral speed vb, the following equations (1) to (3) hold.
v0 = πDtnt (1)
nb = a1nt (2)
vb = πDbnb = (Db / Dt) a1v0 (3)
[0037]
Further, the scraping speed-up means 60 connects the connection portion with the scraping member 16B (the connection portion where the sun shaft 63 is connected to the support shaft 16A of the scraping member 16B) to the tire portion 16C in the axial direction of the tire portion 16C. It is provided in the projection plane of 16C.
[0038]
Further, the scraping speed increasing means 60 sets the rotation direction of the scraping member 16B to the same direction as the rotation direction of the tire portion 16C.
[0039]
FIG. 8 shows the speed increasing action of the scraping member 16B by the scraping speed increasing means 60. As shown in FIG. 8A, if the rotation of the scraping member 16B is equivalent to the rotation of the tire portion 16C (a1 = 1), the scraping member 16B is moved from the point A to the point B by the rotation angle θ of the tire portion 16C. , The rotation angle of the scraping member 16B becomes only θ, the brush flocking a of the scraping member 16B only moves from the solid line position to the chain line position, and the brush flocking a is substantially the same with the floor surface 1. Staying in the position, the brush flocking a only suppresses dust on the floor surface 1 and cannot remove shavings or the like entangled in a carpet or the like. On the other hand, as shown in FIG. 8B, when the rotation of the scraping member 16B is increased at a triple speed (a1 = 3), the scraping member 16B moves from the point A by the rotation angle θ of the tire portion 16C. At the point B, the rotation angle of the scraping member 16B becomes 3θ, the brush flocking a of the scraping member 16B largely moves from the solid line position to the chain line position, and the brush flocking a is in the fiber of the carpet on the floor surface 1. When entering, it scrapes up garbage at a high speed and removes shavings entangled in carpets.
[0040]
Therefore, according to the cleaning tool 10 provided with the scraping speed increasing means 60, the following operation is obtained.
[0041]
{Circle around (1)} By increasing the rotation of the scraping member 16B (brush) of the scraping body 16 from the rotation of the tire portion 16C rolling on the floor 1, the relative speed of the scraping member 16B to the floor is increased. (A) Since the brush tip of the scraping member 16B enters the fiber of the carpet or the like to scrape up the dust, the speed of scraping up the dust becomes faster. The scraping force can be improved. Also, (b) dust on the floor in front of the dust collecting portion 23 disposed behind the scraping member 16B can be sent to the dust collecting portion 23 before the dust collecting portion 23 arrives, and the cleaning tool Dust between the tip of the dust removal unit 23 and the dust removal unit 23, and the cleaning range of the cleaning tool 10 can be extended to near a wall or the like.
[0042]
{Circle over (2)} Since the connecting portion between the speed-up means 60 for the scraping member 16B and the scraping member 16B is provided in the projection plane of the tire portion 16C, between the tip of the cleaning tool 10 and the scraping member 16B. The tire portion 16C does not exist. In the present embodiment, since the connection between the speed increasing means 60 and the central axis (support shaft 16A) of the scraping member 16B is provided in the projection plane of the tire portion 16C, the tip of the cleaning tool 10 and the center of the scraping member 16B are provided. The entire tire portion 16C does not exist between the shaft and the shaft. Thus, the range that can be cleaned by the cleaning tool 10 can be extended to a position near a wall or the like.
[0043]
(3) The rotation direction of the scraping member 16B is the same as the rotation direction of the tire portion 16C. Accordingly, the direction of scraping up dust from the floor by the scraping member 16B faces rearward in the cleaning direction of the cleaning tool 10, and the dust capturing means (the adhesive roll 21 and the dust removing section 23) is provided behind the scraping member 16B. Become something. Accordingly, there is no need to provide a dust collecting means between the tip of the cleaning tool 10 and the scraping member 16B, and the area that can be cleaned by the cleaning tool 10 can be extended to near a wall or the like.
[0044]
(B) Adhesive roll driving means 80
The adhesive roll driving means 80 is constituted by the rotating body 18 described above, and rotates the adhesive roll 21 in the direction opposite to the rotation direction of the scraping member 16B of the scraping body 16.
[0045]
As described above, the rotating body 18 is supported by the frame 15 and rolls on the floor, and the rotation rotates the adhesive roll 21. Specifically, the rotating body 18 has a tire portion 18C that rolls on the floor surface and a disk-shaped rotation that rotates in conjunction with the rotation of the tire portion 18C and that contacts the adhesive roll 21 and rotates the adhesive roll 21. (The outermost diameter portion is constituted by an annular ring 18D). Since the adhesive roll 21 rotates in contact with the rotor 18B (annular ring 18D) without slipping, the peripheral speed vr of the rotor 18B (annular ring 18D) becomes the same as the peripheral speed of the adhesive roll 21.
[0046]
The adhesive roll driving means 80 includes a speed increasing means 80A for increasing the rotation of the tire portion 18C of the rotating body 18 and transmitting the rotation to the rotor 18B (annular ring 18D). The speed increasing means 80A can be constituted by the same planetary gear train as the speed increasing means 60 for the scraping member 16B described above.
[0047]
That is, as shown in FIGS. 9 to 11, the speed increasing means 80A inserts the hollow shaft portion 82A of the base 82 into the shaft support portions 81 provided on both side walls of the frame 15, and fixes the rotation preventing convex portion 82B of the base 82. It is locked in the rotation preventing groove 81A of the shaft support 81 in the rotation direction, and the retaining bulging portion 82C of the base 82 abuts against the inner surface of the frame 15 to prevent rotation and retaining.
[0048]
A sun shaft 83, which is inserted into and engaged with both ends of the support shaft 18A of the rotating body 18 integrally in the rotation direction, is rotatably inserted from the outside of the base 82 into the hollow portion of the hollow shaft portion 82A. Is provided with a sun gear 84 at the outer end thereof. The sun gear 84 is provided at the rotation center of the rotating body 18.
[0049]
A cup-shaped tire portion 18C is rotatably fitted on the outer periphery of the base 82. A lock ring 85 is screwed into the inner peripheral portion on the opening side of the tire portion 18C fitted on the base 82. The tire portion 18C is rotatably fitted directly to the large-diameter portion 82D on the outer periphery of the base 82 via a lock ring 85 on the side near the large-diameter portion 82D of the base 82.
[0050]
Planet shafts 86 protrude from the inner surface of the side wall of the tire portion 18C at a plurality of positions (5 positions in the present embodiment) in the circumferential direction of the central axis, and planet gears 87 are pivotally mounted on the respective planet shafts 86. The planetary gear 87 meshes with the sun gear 84 and revolves around the sun gear 84 while rotating around the planetary shaft 86. Each planet shaft 86 is a hollow shaft, and an engaging pin 88A provided on a holding ring 88 for preventing the planet gear 87 from falling off from the planet shaft 86 is inserted into the hollow portion of the planet shaft 86. A concave portion 89 into which the tip shaft portion 83A of the sun shaft 83 is inserted is provided at the center of the side wall of the tire portion 18C, and the tire portion 18C and the press ring 88 can be relatively rotated with respect to the sun shaft 83.
[0051]
An inner peripheral portion of the base 82 is a concave portion 91 for accommodating the planetary gear 87 and the holding ring 88, and an internal gear 92 with which the planetary gear 87 meshes is provided on the inner peripheral portion.
[0052]
That is, the speed increasing means 80A increases the speed of the rotation of the tire portion 18C at a magnification a2 and transmits the rotation to the rotor 18B by the planetary gear train including the sun gear 84, the planetary gear 87 and the internal gear 92. When the pitch circle diameter d1 of the sun gear 84, the pitch circle diameter of the planetary gear 87 is d2, and the pitch circle diameter of the internal gear 92 is d3, d3 = d1 + 2d2, and a2 = (d3 / d1) +1. When d1 = 12, d2 = 6 and d3 = 24, a2 = 3.
[0053]
As shown in FIG. 7, the advance speed v0 of the cleaning tool 10, the diameter Dt of the tire portion 18C (when it is the same as the diameter Dt of the tire portion 16C of the scraping body 16), the rotation speed nt of the tire portion 18C, and the rotor 18B. , The rotational speed nr of the rotor 18B, and the peripheral speed vr of the rotor 18B, the following expressions (4) to (6) hold.
V0 = πDtnt (4)
nr = a2nt (5)
Vr = πDrnr = (Dr / Dt) a2v0 (6)
[0054]
In the cleaning tool 10, for example, when Dt = 34 mm, Dr = 20 mm, Db = 40 mm, and a1 = a2 = 3, from the above equations (3) and (6),
Vb / Vr = a1Db / a2Dr = 2 (7)
Vb = 2Vr (8)
Holds.
[0055]
In addition, the adhesive roll driving unit 80 sets a connection portion between the speed increasing device 80A and the rotor 18B (a connection portion where the sun shaft 83 is connected to the support shaft 18A of the rotor 18B) in the axial direction of the tire portion 18C. It is provided in the projection plane of the tire section 18C.
[0056]
The adhesive roll driving means 80 sets the rotation direction of the rotor 18B to the same direction as the rotation direction of the tire portion 18C.
[0057]
Therefore, the cleaning tool 10 including the adhesive roll driving means 80 and the speed increasing means 80A has the following effects.
[0058]
{Circle around (1)} The adhesive roll driving means 80 increases the speed of the rotor 18B of the rotating body 18 from the rotation of the tire portion 18C, and consequently increases the peripheral speed of the adhesive roll 21 that the rotor 18B contacts and rotates. That is, the rotating body 18 constituting the adhesive roll driving means 80 rotates the adhesive roll 21 in a direction opposite to the rotation direction of the scraping member 16B of the scraping body 16 at a high peripheral speed. Accordingly, in the dust transfer area where the scraping member 16B of the scraping body 16 and the adhesive roll 21 face each other and the dust scraped by the scraping member 16B is transferred to the adhesive roll 21, the moving direction of the surface of the adhesive roll 21 is changed. The moving direction of the scraping member 16B is matched with the moving direction, and the moving speed of the adhesive roll 21 is increased. Thereby, after the tip of dust such as hair entangled with the brush flocking of the scraping member 16B adheres to the adhesive roll 21, the adhesive roll 21 winds up the dust such as the hair from the side of the scraping member 16B. In addition, the adhesive roll 21 improves the wind collecting property.
[0059]
{Circle around (2)} The high-speed rotation of the adhesive roll 21 by the adhesive roll driving means 80 reduces the rotational resistance exerted on the scraping member 16B of the scraping body 16 by the adhesive roll 21 in the above-described dust transfer area. Accordingly, the cleaning operation force applied to the handle 11 for rotating the scraping body 16 by moving the cleaning tool 10 forward can be reduced.
[0060]
{Circle around (3)} When the scraping body 16 and the rotating body 18 are supported by the frame 15 and the scraping body 16 is arranged forward in the cleaning advance direction of the cleaning tool 10 and the rotating body 18 is arranged rearward in the cleaning advance direction, Since the speed increasing means 80A is provided on the body 18, rotational resistance due to the speed increasing load acts on the tire portion 18C of the rotating body 18, and the tire portion 18C of the rotating body 18 is stably grounded without slipping on the floor surface. . For this reason, a part of the operation force applied by the user to the frame 15 from the handle 11 to advance the cleaning tool 10 is scraped around the ground point (fulcrum) between the tire portion 18C of the rotating body 18 and the floor. It acts as a force for pressing the tire portion 16C of the lifting body 16 against the floor surface. Accordingly, after the tire portion 16C of the scraping body 16 rolls on the floor without slipping, the scraping member 16B is surely rotated, and the tip of the scraping member 16B is elastically deformed with respect to the floor. The dust can be strongly scraped up by the scraping force based on the resilient restoring action, and the tip of the scraping member 16B can be extended to the deep portion of the fiber such as the carpet to scrape the dust well.
[0061]
(Material of tire portion 16C of scraping body 16)
When cleaning a carpet with long bristle feet, if the surface material of the tire portion 16C of the scraping body 16 is made of a material having a large frictional resistance with the fiber of the carpet or the like, the scraping member 16B does not slip on the tire portion 16. Make sure to increase speed. That is, the tire portion 16C tries to rotate without slipping, and tries to continuously apply the rotational torque to the scraping member 16B. However, the scraping member 16B is buried deep in the fiber of the carpet and is hard to rotate, and the scraping member 16B brakes the rotation of the tire portion 16C. As a result, there arises a problem that the tire portion 18C of the rotating body 18 floats from the floor surface and cannot be cleaned. Therefore, by making the surface of the tire portion 16C of the scraping body 16 a material having a small frictional resistance to some extent, the tire portion 16C can slide between the fibers of the carpet and the like, and the above-mentioned inconvenience does not occur. Be able to clean. For example, silicone rubber is bad, and soft polyethylene is good. In this case, since the scraping member 16B rotates following the surface of the carpet, the tire portion 16C does not rotate at an increased speed as much as the tire portion 16C slips. Since the tip goes deep into the carpet, and the fibers of the carpet flex freely and less entanglement of dust with the fibers, the cleaning and scraping effect of the scraping member 16B even if the speed of the scraping member 16B is not sufficient. Can be demonstrated. In the case of a carpet having a short fiber length and high density, it is difficult for dust to be entangled with the fiber, but in this case, since the rigidity of the fiber of the carpet is high, the contact pressure of the tire portion 16C becomes high. Even if the friction coefficient of the surface material of the tire portion 16C is small, a sufficient frictional force can be obtained, the tire portion 16C rotates without slipping, and the scraping member 16B can be rotated at an increased speed, so that the dust entangled in the fiber of the carpet Can be taken.
[0062]
(Material of tire portion 18C of rotating body 18)
The surface material of the tire portion 18C of the rotating body 18 preferably has a high coefficient of friction. As for the rotating body 18, only the tire portion 18C is in contact with the carpet, and the rotor 18B is isolated from the carpet, so that the rotation of the tire portion 18C is not hindered. Even with a long carpet, the rotor 18B does not brake the rotation of the tire portion 18C. Further, in a carpet having a long hairy fiber, since the tire portion 18C is placed on the carpet, the contact pressure of the tire portion 18C is low, but if the material of the surface material of the tire portion 18C has a large friction coefficient, The adhesive roll can be reliably rotated by the rotating body 18B. When the adhesive roll 21 rotates smoothly, the scraping member 16B of the scraping body 16 that is in contact with the adhesive roll 21 tries to rotate the scraping member 16B in a direction of rotating the scraping member 16B. The rotation is smooth, and the dust capture performance is also improved. For example, silicone rubber is excellent, and soft polyethylene is good.
[0063]
The speed increasing means 60 for the scraping member 16B of the scraping body 16 and the speed increasing means 80A for the rotor 18B for the adhesive roll 21 are based on the speed increasing means 100 as shown in FIGS. You can also. The speed increasing means 100 includes a large-diameter internal gear 101 (large gear) provided around the rotation center of the tire portion 16C (or 18C), and a support shaft 16A (or 18A) of the scraping member 16B (or the rotor 18B). It can be constituted by a gear train formed by meshing small external gears 102 provided around (center of rotation). When the speed increasing means 100 has a pitch circle diameter da of the large-diameter internal gear 101 and a pitch circle diameter db of the small-diameter external gear 102, the speed increasing magnification a1 (or a2) = da / db.
[0064]
In the speed increasing means 100, the connecting portion between the small-diameter external gear 102 and the scraping member 16B (or the rotor 18B) is located within the projection plane of the tire portion 16C (or 18C) in the axial direction of the tire portion 16C (or 18C). Is provided.
[0065]
In the speed increasing means 100, the rotation direction of the scraping member 16B (or the rotor 18B) is the same as the rotation direction of the tire portion 16C (or 18C).
[0066]
【The invention's effect】
As described above, according to the present invention, in the cleaning tool, while the scraping member of the scraping body increases the relative speed with respect to the floor surface to improve the dust scraping ability, the cleaning range of the floor surface can be increased by a wall or the like. Can be extended to nearby places.
[Brief description of the drawings]
FIG. 1 is a schematic side view showing a cleaning tool.
FIG. 2 is a longitudinal sectional view showing the inside of the cleaning tool.
FIG. 3 is a cross-sectional view showing the inside of the cleaning tool.
FIG. 4 is a sectional view showing a speed increasing means of the scraping body.
FIG. 5 is a sectional view taken along line VV in FIG. 4;
FIG. 6 is a sectional view taken along the line VI-VI in FIG. 4;
FIG. 7 is a schematic diagram showing the relationship between the rotation speed of a scraping body, a rotating body, and an adhesive roll.
FIG. 8 is a schematic diagram showing a speed increasing action of the scraping body.
FIG. 9 is a sectional view showing a speed increasing means of a rotating body.
FIG. 10 is a sectional view taken along line XX of FIG. 9;
FIG. 11 is a sectional view taken along the line XI-XI in FIG. 9;
FIG. 12 is a sectional view showing another example of the speed increasing means.
FIG. 13 is a sectional view taken along line XIII-XIII in FIG.
[Explanation of symbols]
10 Cleaning tools
15 frames
16 Raised body
16B scraping member
16C Tire part (tire)
21 Adhesive roll (garbage collection means)
23 Dust collection unit (garbage collection means)
60 Speed increasing means
64 sun gear
67 planetary gear
72 Internal gear
100 Speed increasing means
101 Large-diameter internal gear (large gear)
102 Small diameter external gear (small gear)

Claims

Supporting the scraping body and garbage collection means on the frame,
Cleaning comprising a tire in which a scraping body rolls on the floor, and a scraping member which rotates in conjunction with the rotation of the tire and scrapes dust on the floor toward the dust collecting means. Tool,
A cleaning tool comprising a speed increasing means for increasing the rotation of a tire and transmitting the same to a scraping member, and a connecting portion between the speed increasing means and the scraping member provided in a projection plane of the tire when viewed in the axial direction of the tire.

Supporting the scraping body and garbage collection means on the frame,
Cleaning comprising a tire in which a scraping body rolls on the floor, and a scraping member which rotates in conjunction with the rotation of the tire and scrapes dust on the floor toward the dust collecting means. Tool,
A cleaning tool provided with speed increasing means for increasing the rotation of a tire and transmitting the same to a scraping member, and for making the rotation direction of the scraping member the same as the rotation direction of the tire.

The cleaning tool according to claim 1, wherein the dust collecting unit is an adhesive roll.

The cleaning tool according to claim 1, wherein the dust collecting unit is a dust collecting unit.

The speed increasing means is a sun gear provided at the center of rotation of the scraping member, a planet gear that is pivotally attached to the tire and meshes with the sun gear, revolves around the sun gear, and is fixed to the frame side. The cleaning tool according to any one of claims 1 to 4, wherein the cleaning tool is a planetary gear train including an internal gear that meshes with the planetary gear.

5. The gear train according to claim 1, wherein the speed increasing unit is a gear train including a large-diameter internal gear provided around the rotation center of the tire and a small-diameter external gear provided around the rotation center of the scraping member. 6. Cleaning tool described in Crab.

A tire incorporating the speed increasing means according to claim 5.