JP2017023225A - Suction tool including rotary brush, and vacuum cleaner including the same - Google Patents

Suction tool including rotary brush, and vacuum cleaner including the same Download PDF

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JP2017023225A
JP2017023225A JP2015142564A JP2015142564A JP2017023225A JP 2017023225 A JP2017023225 A JP 2017023225A JP 2015142564 A JP2015142564 A JP 2015142564A JP 2015142564 A JP2015142564 A JP 2015142564A JP 2017023225 A JP2017023225 A JP 2017023225A
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rotary core
brush
suction
rotary
suction tool
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JP6915957B2 (en
Inventor
将 矢野
Masaru Yano
将 矢野
剛一 長田
Koichi Osada
剛一 長田
貴弘 中居
Takahiro Nakai
貴弘 中居
泰弘 米川
Yasuhiro Yonekawa
泰弘 米川
山本　亘
Wataru Yamamoto
亘 山本
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Hitachi Appliances Inc
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Hitachi Appliances Inc
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Priority to JP2015142564A priority Critical patent/JP6915957B2/en
Priority to MYPI2016702359A priority patent/MY190632A/en
Priority to CN201620680840.1U priority patent/CN206138060U/en
Publication of JP2017023225A publication Critical patent/JP2017023225A/en
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Abstract

PROBLEM TO BE SOLVED: To provide a rotary brush having a different length, capable of coping with various suction tools, and aiming at standardization (communization) of a component without deteriorating production efficiency.SOLUTION: A rotary brush, which is a cylindrical member attached to an apparatus rotatably, has a rotary core positioned on the shaft center, and at least one or more kinds of brushes locked on the rotary core by being inserted into a groove provided on the rotary core, and includes a locking part provided on one end of the rotary core, and a locking part provided on the other end, and capable of elongating the full length, in which the locking part capable of elongating the full length has an elongation groove linked to the groove of the rotary core.SELECTED DRAWING: Figure 8

Description

本発明は、回転ブラシを備えた吸込具及びこれを備えた電気掃除機に関する。   The present invention relates to a suction tool including a rotating brush and a vacuum cleaner including the suction tool.

これまで，電気掃除機の吸込具に設けられる回転ブラシにおいて，円筒状の回転部材(ロータリコア)にブラシ等を設ける溝を有する構造が提案されている。(例えば，特許文献１参照)   Until now, in the rotating brush provided in the suction tool of a vacuum cleaner, the structure which has a groove | channel which provides a brush etc. in a cylindrical rotating member (rotary core) is proposed. (For example, see Patent Document 1)

特開2004-358116号公報JP 2004-358116 A

しかしながら、特許文献１に記載の回転ブラシは、幅の異なる吸込具を開発する際，吸込具の幅に合わせ長さの異なるロータリコアを新たに作成する必要がある。しかし、回転ブラシを構成するブラシ部材を挿入するために，長手方向に溝が入ったロータリコアを作成するのは容易ではない。又、ひねりが加えられた溝入ロータリコアを作成するのは特に容易ではない。同一断面形状で長さ違いのためだけに金型投資をすることにより製作コストが悪化するだけでなく，部品の標準化が図れないばかりか、組立工程においては誤組立などの不具合が発生する恐れがあるなど，生産効率が悪くなる。   However, when the rotary brush described in Patent Document 1 develops suction tools having different widths, it is necessary to newly create rotary cores having different lengths in accordance with the width of the suction tools. However, it is not easy to create a rotary core having a groove in the longitudinal direction in order to insert the brush member constituting the rotating brush. Also, it is not particularly easy to produce a grooved rotary core with a twist. Investing in a mold just because of the difference in length with the same cross-sectional shape not only deteriorates the manufacturing cost, but also prevents standardization of parts, and may cause problems such as misassembly in the assembly process. For example, production efficiency deteriorates.

本発明の目的は、多岐にわたる吸込具にも対応可能で生産効率を悪化させることなく，部品の標準化(共用化)を図った長さの異なる回転ブラシを提供することにある。   An object of the present invention is to provide rotating brushes having different lengths that are compatible with a wide variety of suction tools and are standardized (shared) with parts without deteriorating production efficiency.

回転ブラシ用のロータリコアの溝につながる延長溝を有し、該ロータリコアの端部に接続可能である延長ロータリコア。   An extended rotary core having an extended groove connected to a rotary core groove for a rotating brush and connectable to an end of the rotary core.

本発明によれば、多岐にわたる吸込具にも対応可能で生産効率を悪化させることなく，部品の標準化(共用化)を図った長さの異なる回転ブラシを提供することができる。   According to the present invention, it is possible to provide rotating brushes having different lengths that are compatible with a wide variety of suction tools and are standardized (shared) with parts without deteriorating production efficiency.

本発明に係る電気掃除機の全体を示す外観斜視図である。It is an appearance perspective view showing the whole vacuum cleaner concerning the present invention. 実施例１の吸込具の上面図である。It is a top view of the suction tool of Example 1. 実施例１の吸込具の下面図である。It is a bottom view of the suction tool of Example 1. 実施例１の吸込具の吸口体の上側部分を取り外した状態の上面図である。It is a top view of the state which removed the upper part of the mouthpiece of the suction tool of Example 1. FIG. 図２に記載の吸込具の前進時のＢ−Ｂ断面図である。It is BB sectional drawing at the time of advance of the suction tool of FIG. 第１回転清掃体の正面図である。It is a front view of a 1st rotation cleaning body. ロータリコアと延長ロータリコアの端面の図である。It is a figure of the end surface of a rotary core and an extension rotary core. ロータリコアと延長ロータリコアの接続図である。It is a connection diagram of a rotary core and an extended rotary core. 図２に記載の吸込具のＡ−Ａ断面図である。It is AA sectional drawing of the suction tool of FIG. 図８に記載の吸込具のＤ−Ｄ断面図である。It is DD sectional drawing of the suction tool of FIG.

以下、本発明に係る第１の実施例について図面を参照して説明する。
図１に本発明の第１の実施例に係る電気掃除機の外観図を示す。電気掃除機１は、掃除機本体２と、ホース部３と接続し手元操作スイッチＳＷ等が設けられた操作管４と、伸縮自在に設けられた延長管５と、吸口体６とで構成されている。 A first embodiment according to the present invention will be described below with reference to the drawings.
FIG. 1 shows an external view of a vacuum cleaner according to a first embodiment of the present invention. The vacuum cleaner 1 includes a vacuum cleaner body 2, an operation tube 4 connected to the hose portion 3 and provided with a hand operation switch SW and the like, an extendable tube 5 provided to be extendable and a mouthpiece 6. ing.

掃除機本体２は、吸引力を発生させる電動送風機２ａ、この電動送風機２ａの吸引力で集塵した塵埃を収容する集塵部２ｂなどを備えている。なお、本実施例では、いわゆるサイクロン式の電気掃除機を例に挙げて説明するが、いわゆる紙パック式の電気掃除機に適用してもよい。   The vacuum cleaner body 2 includes an electric blower 2a that generates a suction force, a dust collection portion 2b that stores dust collected by the suction force of the electric blower 2a, and the like. In this embodiment, a so-called cyclonic vacuum cleaner will be described as an example. However, the present invention may be applied to a so-called paper pack type vacuum cleaner.

ホース部３の一端は、掃除機本体２の集塵部２ｂと連通するように掃除機本体２の接続口２ｃに接続されている。また、ホース部３の他端は、操作管４の一端に接続されている。   One end of the hose part 3 is connected to the connection port 2c of the cleaner body 2 so as to communicate with the dust collecting part 2b of the cleaner body 2. Further, the other end of the hose portion 3 is connected to one end of the operation tube 4.

操作管４は、手元操作スイッチＳＷなどを備えたハンドル４ａ、掃除機本体２から給電される図示しない給電端子などを備えている。この給電端子には、延長管５の一端に設けられる図示しない通電端子が接続される。   The operation tube 4 includes a handle 4a provided with a hand operation switch SW and the like, a power supply terminal (not shown) supplied with power from the cleaner body 2, and the like. An energization terminal (not shown) provided at one end of the extension pipe 5 is connected to the power supply terminal.

操作管４の手元操作スイッチＳＷを操作することによって、電動送風機２ａの運転と停止や強中弱の切り替え、吸口体６に設けられた電動機４０（図４参照）の運転と停止が可能となっている。   By operating the hand operation switch SW of the operation tube 4, it is possible to operate and stop the electric blower 2a, to switch between strong, medium and weak, and to operate and stop the electric motor 40 (see FIG. 4) provided in the suction body 6. ing.

延長管５は、外管５ａと内管５ｂとを備え、外管５ａの他端部に内管５ｂの一端部が挿入されて外管５ａと内管５ｂとの内側に設けられた図示しない通風路が連通するように連結されて、伸縮自在に構成されている。なお、図１は、延長管５が最短の状態を図示している。   The extension pipe 5 includes an outer pipe 5a and an inner pipe 5b. One end of the inner pipe 5b is inserted into the other end of the outer pipe 5a, and is provided inside the outer pipe 5a and the inner pipe 5b (not shown). The air passages are connected so as to communicate with each other, and are configured to be extendable. FIG. 1 illustrates a state in which the extension pipe 5 is shortest.

図２は、吸口体の上面図である。   FIG. 2 is a top view of the mouthpiece.

図２に示すように、吸込具６は、上面視において略Ｔ字形状を呈する吸口ケース１０と、吸口ケース１０に連結される吸口継手１３とを備えている。   As shown in FIG. 2, the suction tool 6 includes a suction case 10 that has a substantially T shape in a top view, and a suction joint 13 that is connected to the suction case 10.

吸口ケース１０は、上面視において、左右方向（幅方向）に細長く形成された吸口本体１１と、吸口本体１１の左右方向の中央部に吸口継手１３と連結される連結部１２とを備えている。連結部１２には、吸口本体１１と吸口継手１３とを連通させる流路Ｒ（図３参照）が形成されている。   The mouthpiece case 10 includes a mouthpiece body 11 that is elongated in the left-right direction (width direction) in a top view, and a connecting portion 12 that is connected to the mouthpiece joint 13 at the center in the left-right direction of the mouthpiece body 11. . A flow path R (see FIG. 3) that connects the suction body 11 and the suction joint 13 is formed in the connecting portion 12.

吸口本体１１には、前端面から左右側面にかけてバンパ１１ａが設けられている。バンパ１１ａは、ゴムやエラストマー等の弾性材料から形成されており、使用時に吸口本体１１内の気密を確保するとともに、電気掃除機１（図１参照）の使用時に吸口本体１１が家具等に衝突した際に、当該家具等への傷付き防止と吸口本体１１への衝撃を吸収する緩衝材の役割を果たしている。   The mouthpiece main body 11 is provided with a bumper 11a from the front end surface to the left and right side surfaces. The bumper 11a is made of an elastic material such as rubber or elastomer, and ensures airtightness in the mouthpiece body 11 when used, and the mouthpiece body 11 collides with furniture or the like when the electric vacuum cleaner 1 (see FIG. 1) is used. When it does, it plays the role of the shock absorbing material which prevents the said furniture etc. from being damaged and absorbs the impact to the suction mouth main body 11.

吸口継手１３は、連結部１２に対して回動自在に連結される第１連結部１４と、この第１連結部１４に対して回動自在に連結される第２連結部１５とを備えている。   The suction joint 13 includes a first connecting portion 14 that is rotatably connected to the connecting portion 12, and a second connecting portion 15 that is rotatably connected to the first connecting portion 14. Yes.

第１連結部１４は、図２の上面視において略半トラック形状を呈し、連結部１２と連結される円筒形状の軸１４ａを有している。この軸１４ａは、軸方向が吸口本体１１の左右方向であって、軸１４ａの両端部が連結部１２に形成された軸受部１２ｇ（図４参照）に支持されている。また、第１連結部１４は、被掃除面（清掃面）Ｍ（図５参照）に対して略平行な状態から略垂直な状態まで（上下方向に）回動可能となるように構成されている。すなわち、第１連結部１４を吸口ケース１０に対して軸１４ａを支点として回動させることによって、延長管５（図１参照）を被掃除面Ｍ（図５参照）に略平行な状態と略垂直な状態との間において回動させることができる。   The first connecting portion 14 has a substantially semi-track shape in a top view of FIG. 2 and has a cylindrical shaft 14 a that is connected to the connecting portion 12. The shaft 14 a is supported by a bearing portion 12 g (see FIG. 4) in which the axial direction is the left-right direction of the mouthpiece body 11 and both ends of the shaft 14 a are formed in the connecting portion 12. Moreover, the 1st connection part 14 is comprised so that it can rotate from a substantially parallel state with respect to the to-be-cleaned surface (cleaning surface) M (refer FIG. 5) to a substantially perpendicular state (up-down direction). Yes. That is, by rotating the first connecting portion 14 with respect to the suction case 10 with the shaft 14a as a fulcrum, the extension tube 5 (see FIG. 1) is substantially parallel to the surface to be cleaned M (see FIG. 5). It can be rotated between vertical states.

第２連結部１５は、第１連結部１４に対して吸口本体１１の左右方向に（図２の紙面時計回り方向および反時計回り方向に）回動可能となるように構成されている。これにより、例えば、延長管５を被掃除面Ｍに対して略垂直にした状態から、延長管５を被掃除面Ｍに略平行な状態に向けて倒すことができる。   The second connecting portion 15 is configured to be rotatable with respect to the first connecting portion 14 in the left-right direction of the mouthpiece body 11 (clockwise and counterclockwise in FIG. 2). Thereby, for example, the extension pipe 5 can be tilted toward a state substantially parallel to the surface to be cleaned M from a state in which the extension tube 5 is substantially perpendicular to the surface to be cleaned M.

また、第２連結部１５には、給電が行われる給電端子１５ａが設けられている。なお、本実施例の電気掃除機１（図１参照）では、吸口体６に給電する電力を、掃除機本体２からホース部３、操作管４、延長管５を通じて供給するように構成している。   In addition, the second connecting portion 15 is provided with a power supply terminal 15a through which power is supplied. In addition, in the vacuum cleaner 1 (refer FIG. 1) of a present Example, it has comprised so that the electric power supplied to the suction body 6 may be supplied from the cleaner body 2 through the hose part 3, the operation tube 4, and the extension tube 5. Yes.

このような吸口継手１３は、例えば延長管５（図１参照）を被掃除面Ｍに対して略垂直とした状態において、その延長管５を左右方向（左右方向）に倒して、操作管４（グリップ４ａ）を左右方向のいずれかにねじることで、吸口本体１１を左右方向のいずれかに略９０度回転させ、吸口本体１１の左右方向を移動方向にした掃除が可能である。したがって、壁際に沿って吸口体６を移動させて掃除したり、狭い隙間に吸口体６を挿入したりして掃除することが可能になる。   For example, in the state in which the extension pipe 5 (see FIG. 1) is substantially perpendicular to the surface M to be cleaned, the suction joint 13 as described above tilts the extension pipe 5 in the left-right direction (left-right direction) and operates the operation pipe 4 By twisting the (grip 4a) in either the left or right direction, the suction body 11 can be rotated approximately 90 degrees in any of the left and right directions, and cleaning can be performed with the left and right direction of the suction body 11 in the moving direction. Therefore, it is possible to clean by moving the mouthpiece 6 along the wall or inserting the mouthpiece 6 into a narrow gap.

図３は、吸口体の下面図である。   FIG. 3 is a bottom view of the mouthpiece.

図３に示すように、吸口体６は、第１回転清掃体２０、第２回転清掃体３０を備えている。吸口ケース１０（吸口本体１１）には、下面（清掃面に対峙する面）に開口部を有するブラシ室Ｑと、同じく下面に開口部（吸込口）を有する気密室Ｐとが形成されている。   As shown in FIG. 3, the mouthpiece 6 includes a first rotary cleaning body 20 and a second rotary cleaning body 30. The suction case 10 (suction body 11) is formed with a brush chamber Q having an opening on the lower surface (a surface facing the cleaning surface) and an airtight chamber P having an opening (suction port) on the lower surface. .

第１回転清掃体２０は、吸口本体１１の左右方向に沿って前後方向の前側に配置され、ブラシ室Ｑ内に回転可能に支持されている。また、第１回転清掃体２０は、吸口本体１１の左右方向（第１回転清掃体２０の軸方向）の一端側から他端側まで連続して設けられている。   The first rotary cleaning body 20 is disposed on the front side in the front-rear direction along the left-right direction of the suction body 11 and is rotatably supported in the brush chamber Q. Moreover, the 1st rotation cleaning body 20 is provided continuously from the one end side of the left-right direction (the axial direction of the 1st rotation cleaning body 20) of the suction inlet main body 11 to the other end side.

図６は，第１回転清掃体の正面図である。   FIG. 6 is a front view of the first rotary cleaning body.

図６に示すように，第１回転清掃体２０は、第１回転清掃体２０の軸中心に位置するロータリコア２１，硬さが異なるブラシなど複数種類のブラシ２０ａ、２０ｂ，端部に設けられるクラッチ２２，延長ロータリコア２３によって構成される。   As shown in FIG. 6, the first rotary cleaning body 20 is provided at a plurality of types of brushes 20 a, 20 b, such as a rotary core 21 positioned at the axial center of the first rotary cleaning body 20, brushes having different hardnesses, and ends. A clutch 22 and an extended rotary core 23 are included.

ロータリコア２１は、溝２１ｃと、溝２１ｃの他端に切欠き２１ａとリブ２１ｂとを有するものである。ロータリコア２１の一端にはクラッチ２２が設けられている。クラッチ２２は、電動機４０の駆動力を歯付きベルト４１を介してロータリコア２１に伝えるための部材である。   The rotary core 21 has a groove 21c and a notch 21a and a rib 21b at the other end of the groove 21c. A clutch 22 is provided at one end of the rotary core 21. The clutch 22 is a member for transmitting the driving force of the electric motor 40 to the rotary core 21 via the toothed belt 41.

延長ロータリコア２３は，ブラシカバー部２３ａと溝延長部２３ｂを有し，溝延長部２３ｂには延長溝２３ｃ，図７に示すリブ２３ｄ，切欠き２３ｅが設けられている。リブ２３ｄ，切欠き２３ｅをロータリコア２１に設けられている切欠き２１ａ，リブ２１ｂとそれぞれ嵌合させることで，延長ロータリコア２３は溝２１ｃと延長溝２３ｃがつながるようにロータリコア２１に接続され，これらの嵌合によりロータリコア２１と延長ロータリコア２３が空転することを防止している(図８)。   The extension rotary core 23 has a brush cover portion 23a and a groove extension portion 23b. The groove extension portion 23b is provided with an extension groove 23c, a rib 23d shown in FIG. 7, and a notch 23e. The extended rotary core 23 is connected to the rotary core 21 so that the groove 21c and the extended groove 23c are connected by fitting the rib 23d and the notch 23e with the notch 21a and the rib 21b provided in the rotary core 21, respectively. These fittings prevent the rotary core 21 and the extended rotary core 23 from slipping (FIG. 8).

本実施形態では、電動機４０の駆動力がかかるロータリコア２１の一端に延長ロータリコア２３でなくクラッチ２２を設けており、これにより、ロータリコア２１と延長ロータリコア２３の接続部分へかかる力を低減している。   In the present embodiment, the clutch 22 is provided instead of the extended rotary core 23 at one end of the rotary core 21 to which the driving force of the electric motor 40 is applied, thereby reducing the force applied to the connecting portion between the rotary core 21 and the extended rotary core 23. doing.

なお，本実施形態ではリブ２３ｄ，切欠き２３ｅをそれぞれ４つ設けた場合を例に図８に示したが，これに限定されるものではなく，ロータリコア２１に設けられる切欠き２１ａ，リブ２１ｂとの組合せによって３つ以下でも，５つ以上でもよい。   In the present embodiment, FIG. 8 shows an example in which four ribs 23d and four notches 23e are provided, but the present invention is not limited to this, and the notches 21a and ribs 21b provided in the rotary core 21 are not limited to this. Depending on the combination, 3 or less, or 5 or more may be used.

各ブラシ２０ａ，２０ｂはロータリコア２１，延長ロータリコア２３にそれぞれ設けられる溝２１ｃ，延長溝２３ｃによって係止され，ロータリコア２１の軸方向に対し、らせん状に配設されている。   The brushes 20 a and 20 b are locked by grooves 21 c and extension grooves 23 c provided in the rotary core 21 and the extended rotary core 23, respectively, and are arranged in a spiral shape with respect to the axial direction of the rotary core 21.

なお、本実施形態では、２種類のブラシ２０ａ、２０ｂを配設した場合を例に挙げて説明したが、これに限定されるものではなく、３種類以上であってもよく、らせん状に配置されたブラシ間にゴムなどの弾性材料からなるブレード部材をらせん状に配置する構成を追加してもよく、適宜変更することができる。   In the present embodiment, the case where two types of brushes 20a and 20b are disposed has been described as an example. However, the present invention is not limited to this, and three or more types may be arranged in a spiral shape. A configuration in which a blade member made of an elastic material such as rubber is spirally arranged between the brushes formed may be added and can be appropriately changed.

また，この延長ロータリコア２３を取り外し，別部材を取り付けることで掃除状況に合わせて簡単に第１回転清掃体を変更することができる。例えば，延長ロータリコアの溝延長部の代わりに，硬いブラシなどで構成されるローラを設けた部分を設けた部材を取り付けることで，清掃面Ｍに対し掃除を行う面積が狭くなる一方，吸込具の操作感を軽くすることができる。これは床面の抵抗の大きい毛丈の長いじゅうたんなどの掃除に適している。   Further, the first rotary cleaning body can be easily changed in accordance with the cleaning situation by removing the extended rotary core 23 and attaching another member. For example, instead of the groove extension portion of the extended rotary core, by attaching a member provided with a portion provided with a roller composed of a hard brush or the like, the area to be cleaned with respect to the cleaning surface M is reduced, while the suction tool The operation feeling can be lightened. This is suitable for cleaning carpets with long hair and high resistance on the floor.

第２回転清掃体３０は、第１回転清掃体２０の直径よりも小径で、刷毛体により覆われていて、第１回転清掃体２０に対して後方且つ平行に配置されている。また、第２回転清掃体３０は、第１回転清掃体２０の軸方向と平行に、吸口本体１１の左右方向の一端側から他端側にかけて連続して設けられている。   The second rotary cleaning body 30 is smaller than the diameter of the first rotary cleaning body 20, is covered with a brush body, and is disposed rearward and parallel to the first rotary cleaning body 20. Further, the second rotary cleaning body 30 is provided continuously from one end side to the other end side in the left-right direction of the suction body 11 in parallel with the axial direction of the first rotary cleaning body 20.

また、第２回転清掃体３０は、第１回転清掃体２０の回転軸２１と平行な軸部３０ａ（軸）を有し、軸部３０ａが吸口ケース１０（吸口本体１１）に回転可能に支持されている。なお、第２回転清掃体３０は、電動機によって駆動されるものではなく、吸口体６を移動させたときの被掃除面Ｍ（図５参照）との摩擦力によって回転するように構成されたものである。このように、第２回転清掃体３０は、軸部３０ａを介して吸口本体１１に支持されるものであるので、第２回転清掃体３０の構成を簡略化することができる。   Moreover, the 2nd rotary cleaning body 30 has the axial part 30a (shaft) parallel to the rotating shaft 21 of the 1st rotary cleaning body 20, and the axial part 30a is rotatably supported by the suction case 10 (suction body 11). Has been. The second rotary cleaning body 30 is not driven by an electric motor, but is configured to rotate by frictional force with the surface to be cleaned M (see FIG. 5) when the suction body 6 is moved. It is. Thus, since the 2nd rotation cleaning body 30 is supported by the suction inlet main body 11 via the axial part 30a, the structure of the 2nd rotation cleaning body 30 can be simplified.

吸口体６は、吸口ケース１０の連結部１２の下面に、ブラシ駆動スイッチ１６、車輪１７、軸受押え部材３１、３２を備えている。   The mouthpiece 6 includes a brush drive switch 16, a wheel 17, and bearing pressing members 31 and 32 on the lower surface of the connecting portion 12 of the mouthpiece case 10.

ブラシ駆動スイッチ１６は、吸口体６の下面が被掃除面Ｍ（清掃面）に接触しているか否かを検出するスイッチであり、車輪１６ａとともに構成されている。この車輪１６ａは、ばね等の付勢手段によって常に吸口ケース１０（連結部１２）の下面から一部が突出するように設けられている。そして、車輪１６ａが吸口ケース１０から飛び出して被掃除面Ｍと接触していないと検出されたときには、回路基板５０（制御基板）（図４参照）の制御によって電動機４０（図４参照）の駆動が停止され、第１回転清掃体２０の回転が停止する。また、車輪１６ａが押し込まれて被掃除面Ｍと接触していると検出されたときには、回路基板５０の制御によって電動機４０が駆動され、第１回転清掃体２０が回転する。   The brush drive switch 16 is a switch that detects whether or not the lower surface of the suction body 6 is in contact with the surface to be cleaned M (cleaning surface), and is configured together with the wheel 16a. The wheel 16a is provided so that a part of the wheel 16a always protrudes from the lower surface of the suction case 10 (connecting portion 12) by a biasing means such as a spring. When it is detected that the wheel 16a protrudes from the suction case 10 and is not in contact with the surface to be cleaned M, the motor 40 (see FIG. 4) is driven by the control of the circuit board 50 (control board) (see FIG. 4). Is stopped, and the rotation of the first rotary cleaning body 20 is stopped. When it is detected that the wheel 16a is pushed into contact with the surface to be cleaned M, the electric motor 40 is driven by the control of the circuit board 50, and the first rotary cleaning body 20 rotates.

車輪１７は、操作管４で操作される前後動や回転操作の応力を受けて吸口体６の底面を被掃除面（清掃面）に密着させ、これにより吸口体６の操作性能を向上する役割を有している。   The wheel 17 receives the stress of the forward / backward movement and rotational operation operated by the operation tube 4, and brings the bottom surface of the mouthpiece 6 into close contact with the surface to be cleaned (cleaning surface), thereby improving the operation performance of the mouthpiece 6. have.

軸受押え部材３１は、第１回転清掃体２０の回転軸および第２回転清掃体３０の軸部３０ａの一端を支持するものであり、吸口ケース１０にねじを用いて固定されている。   The bearing pressing member 31 supports the rotating shaft of the first rotary cleaning body 20 and one end of the shaft portion 30a of the second rotary cleaning body 30, and is fixed to the suction case 10 with screws.

軸受押え部材３２は、第１回転清掃体２０の回転軸および第２回転清掃体３０の軸部３０ａの他端を支持するものであり、取り外し可能となるように吸口ケース１０にロック機構（図示せず）を用いて固定されている。   The bearing pressing member 32 supports the rotation shaft of the first rotary cleaning body 20 and the other end of the shaft portion 30a of the second rotary cleaning body 30, and is locked to the suction case 10 so as to be removable (see FIG. (Not shown).

図４は、吸口体の吸口ケース１０の上側部分を取り外した状態の上面図である。   FIG. 4 is a top view of the mouthpiece with the upper portion of the mouthpiece case 10 removed.

図４に示すように、吸口体６は、第１回転清掃体２０（図３参照）および第２回転清掃体３０（図３参照）の上方に、第１回転清掃体２０を駆動する電動機４０および電動機４０を制御する回路基板５０を備えている。   As shown in FIG. 4, the mouthpiece 6 includes an electric motor 40 that drives the first rotary cleaning body 20 above the first rotary cleaning body 20 (see FIG. 3) and the second rotary cleaning body 30 (see FIG. 3). And a circuit board 50 for controlling the electric motor 40.

電動機４０は、吸口本体１１の左右方向の一端側に取り付けられている。また、電動機４０は、その出力軸が吸口本体１１の左右方向と平行に配置されている。また、電動機４０の出力軸は、左右方向の一端側に向けて延び、吸口本体１１内の一端部（図示右側の端部）において、歯付きベルト４１を介して第１回転清掃体２０と連結されている。   The electric motor 40 is attached to one end side of the suction body 11 in the left-right direction. Further, the output shaft of the electric motor 40 is arranged in parallel with the left-right direction of the suction mouth main body 11. The output shaft of the electric motor 40 extends toward one end side in the left-right direction, and is connected to the first rotary cleaning body 20 via a toothed belt 41 at one end portion (right end portion in the figure) in the suction body 11. Has been.

回路基板５０は、吸口本体１１の左右方向で電動機４０とは反対側に取り付けられている。また、回路基板５０は、長辺が左右方向に沿って配置された長方形状の基板を有し、実装面が鉛直方向上向きの状態で吸口本体１１内に配置されている。なお、実装面は、必ずしも鉛直方向上向きに限定されず、水平方向に対して傾斜してもよく、前後方向を向くように（縦向きに）してもよい。   The circuit board 50 is attached to the opposite side of the electric motor 40 in the left-right direction of the suction body 11. The circuit board 50 has a rectangular board with long sides arranged in the left-right direction, and is arranged in the mouthpiece body 11 with the mounting surface facing upward in the vertical direction. Note that the mounting surface is not necessarily limited to upward in the vertical direction, and may be inclined with respect to the horizontal direction, or may be directed in the front-rear direction (vertically).

図５は図２におけるＢ−Ｂ断面図である。図５において、６３はブラシ室Ｑと気密室Ｐを隔てる隔壁、６４は第２回転清掃体３０と気密室Ｐを隔てるカバー部材、６０はカバー部材６４と掃除面Ｍとの隙間を塞ぐ可撓性を有する後方ブレードである。また，図７は図２におけるＡ−Ａ断面図である。図７において，６２は，前方隔壁と前方隔壁と掃除面Ｍとの隙間を塞ぐ可撓性を有する前方ブレードである(図９参照)。   5 is a cross-sectional view taken along the line BB in FIG. In FIG. 5, 63 is a partition wall that separates the brush chamber Q and the airtight chamber P, 64 is a cover member that separates the second rotary cleaning body 30 and the airtight chamber P, and 60 is a flexible member that closes the gap between the cover member 64 and the cleaning surface M. This is a rear blade having characteristics. FIG. 7 is a cross-sectional view taken along the line AA in FIG. In FIG. 7, 62 is a flexible front blade that closes the gap between the front partition, the front partition, and the cleaning surface M (see FIG. 9).

カバー部材６４は吸込口の一部を覆い開口面積を狭めることで吸引風の流速を大きくすると同時に，気密室Ｐの負圧を大きくすることで，吸込具の集塵性能を向上させる役割を果たす。   The cover member 64 covers a part of the suction port to increase the flow velocity of the suction air by narrowing the opening area, and at the same time increases the negative pressure of the airtight chamber P, thereby improving the dust collection performance of the suction tool. .

カバー部材６４は吸込具左右方向における中央部付近に設けられた２つの同心円状の軸穴６４ａに軸６５を通し，これと吸口ケース１０に設けられたツメ１０ａと嵌合することで吸込具に接続されている(図９参照)。   The cover member 64 passes the shaft 65 through two concentric shaft holes 64a provided in the vicinity of the central portion in the left-right direction of the suction tool, and is fitted to the tab 10a provided in the suction case 10 to fit the suction member. Are connected (see FIG. 9).

以下、本発明に係る第２の実施例について説明する。尚、以下で説明する構成以外は、第１の実施例の電気掃除機及び吸込具と同一であるため説明を省略する。   The second embodiment according to the present invention will be described below. In addition, since it is the same as that of the vacuum cleaner and suction tool of 1st Example except the structure demonstrated below, description is abbreviate | omitted.

図１０は図８におけるＡ−Ａ断面である。延長ロータリコア２３の延長溝２３ｃとロータリコア２１の溝２１ｃの接続する面において，延長溝２３ｃの端面に面取り２３ｆを設けた。これにより，ロータリコア２１側（図１０右側）から溝２１ｃに挿入されるブラシ２０ａが延長溝２３ｃに飛び込む際に抵抗なく飛び込み，組立性が改善される。   10 is a cross-sectional view taken along line AA in FIG. A chamfer 23 f is provided on the end face of the extension groove 23 c on the surface where the extension groove 23 c of the extension rotary core 23 and the groove 21 c of the rotary core 21 are connected. Thereby, when the brush 20a inserted into the groove 21c from the rotary core 21 side (right side in FIG. 10) jumps into the extension groove 23c, it jumps in without resistance, and the assemblability is improved.

なお、本実施例では、面取り２３ｆは傾斜形状だが、この形状に限るものではない。面取り２３ｆは、Ｒ形状や、段付き形状など、ロータリコア２１側から延長ロータリコア２３側へブラシなどが引っかかることなく挿入出来る形状であれば良い。   In this embodiment, the chamfer 23f is an inclined shape, but is not limited to this shape. The chamfer 23f may have any shape such as an R shape or a stepped shape that can be inserted from the rotary core 21 side to the extended rotary core 23 side without being caught by a brush or the like.

以下、本発明に係る第３の実施例について説明する。尚、以下で説明する構成以外は、第１、第２の実施例の電気掃除機及び吸込具と同一であるため説明を省略する。   The third embodiment according to the present invention will be described below. In addition, since it is the same as the vacuum cleaner and suction tool of a 1st, 2nd Example except the structure demonstrated below, description is abbreviate | omitted.

ロータリコア２１と延長ロータリコア２３の間に入る延長ロータリコア２５を備えるものである。短延長ロータリコア２５は、短延長部２５ａと、その両端にリブ２５ｄ１、２５ｄ２と、切欠き２５ｅ１、２５ｅ２と、を有するものである。短延長部２５ａは、短延長溝２５ｃを有する。短延長ロータリコア２３は、ロータリコア２１よりも長さが短いものである。   An extended rotary core 25 entering between the rotary core 21 and the extended rotary core 23 is provided. The short extension rotary core 25 has a short extension portion 25a, ribs 25d1 and 25d2 at both ends thereof, and notches 25e1 and 25e2. The short extension portion 25a has a short extension groove 25c. The short extension rotary core 23 is shorter in length than the rotary core 21.

リブ２５ｄ１や切欠き２５ｅ１は、ロータリコア２１の切欠き２１ａやリブ２１ｂと嵌合する。リブ２５ｄ２や切欠き２５ｅ２は、延長ロータリコア２３の切欠き２３ｅやリブ２３ｄと嵌合する。短ロータリコア２５がロータリコア２１や延長ロータリコア２３と嵌合する際に、溝２１ｃ，延長溝２３ｃ,短延長溝２５ｃがつながるように構成されている。これにより、ロータリコア２１と延長ロータリコア２３と短延長ロータリコア２５が空転することを防止している
短延長ロータリコア２５を有することにより、長さの異なるロータリコアや回転ブラシを、より作成し易くなるという効果を奏する。 The rib 25d1 and the notch 25e1 are fitted to the notch 21a and the rib 21b of the rotary core 21. The rib 25d2 and the notch 25e2 are fitted to the notch 23e and the rib 23d of the extended rotary core 23. When the short rotary core 25 is fitted to the rotary core 21 or the extended rotary core 23, the groove 21c, the extended groove 23c, and the short extended groove 25c are connected. Thereby, the rotary core 21, the extended rotary core 23, and the short extended rotary core 25 are prevented from idling. By having the short extended rotary core 25, more rotary cores and rotating brushes having different lengths can be created. There is an effect that it becomes easy.

なお、ロータリコア２１の代わりに短延長ロータリコア２３を複数つなげてもよい。その場合、短いロータリコアから長いロータリコアまで作成することが可能となる。   A plurality of short extended rotary cores 23 may be connected instead of the rotary core 21. In that case, it is possible to create from a short rotary core to a long rotary core.

なお、実施例１〜３では延長ロータリコアが電動機４０を有する吸込具に搭載される例を記載したが、この限りではなく、電動機を有さず回転ブラシを有する吸込具へも搭載可能である。   In the first to third embodiments, an example in which the extended rotary core is mounted on the suction tool having the electric motor 40 is described. However, the present invention is not limited to this, and the extension rotary core can be mounted on a suction tool having a rotating brush without the electric motor. .

なお、実施例１〜３では第１回転清掃体のみに延長ロータリコアを用いたが、第２回転清掃体へも用いることが可能である   In Examples 1 to 3, the extended rotary core is used only for the first rotary cleaning body, but it can also be used for the second rotary cleaning body.

１ 電気掃除機
２ 掃除機本体
２ａ 電動送風機
２ｂ 集塵部
６、 吸口具
１０ 吸口ケース
２０ 第１回転清掃体
３０ 第２回転清掃体
４０ 電動機
５０ 回路基板（制御基板）
６０ 後方ブレード
６２ 前方ブレード
６４ 後方隔壁
６３ 前方隔壁
Ｍ 被掃除面（床面）
Ｑ ブラシ室
Ｐ 気密室 DESCRIPTION OF SYMBOLS 1 Electric vacuum cleaner 2 Vacuum cleaner main body 2a Electric blower 2b Dust collection part 6, Suction tool 10 Suction case 20 1st rotation cleaning body 30 2nd rotation cleaning body 40 Electric motor 50 Circuit board (control board)
60 Rear blade 62 Front blade 64 Rear partition wall 63 Front partition wall M Surface to be cleaned (floor surface)
Q Brush room P Airtight room

Claims (4)

機器に回転自在に取付けられる円筒状の部材であって，軸中心に位置するロータリコアと，ロータリコアに設けられた溝への挿入によりロータリコアに係止される少なくとも一種類以上のブラシを有し，ロータリコアの一端に設けられる係止部と他端に設けられる全長を延長可能な係止部を備え，前記全長を延長可能な係止部はロータリコアの溝につながる延長溝を有することを特徴とする回転ブラシ。   A cylindrical member that is rotatably attached to the device, and has a rotary core located at the center of the shaft and at least one brush that is locked to the rotary core by insertion into a groove provided in the rotary core. A locking portion provided at one end of the rotary core and a locking portion provided at the other end capable of extending the entire length, the locking portion capable of extending the total length having an extension groove connected to the groove of the rotary core. Rotating brush characterized by 前記全長を延長可能な係止部はロータリコアとの接続端部が面取り形状となっていることを特徴とする請求項１に記載の回転ブラシ。   The rotating brush according to claim 1, wherein the engaging portion capable of extending the entire length has a chamfered shape at a connection end portion with the rotary core. 吸込具本体を形成するシタケース及びウエケースと，軸と該軸の周りに配設される刷毛とを有する回転ブラシと、前記回転ブラシを着脱可能なブラシ室と、該ブラシ室と並行に位置し被掃除面に開口部を有する吸込口とを有し、前記回転ブラシは、請求項１又は２に記載の全長を延長可能な係止部を有することを特徴とする吸込具。   A brush case and a waist case forming a suction tool body, a rotating brush having a shaft and a brush disposed around the shaft, a brush chamber to which the rotating brush can be attached and detached, and a brush chamber positioned in parallel with the brush chamber. The suction tool which has a suction opening which has an opening part in a cleaning surface, The said rotating brush has the latching | locking part which can extend the full length of Claim 1 or 2. The suction tool characterized by the above-mentioned. 吸引力を発生する電動送風機、および塵埃を集塵する集塵部を有する掃除機本体と、前記掃除機本体と接続される請求項３に記載の吸込具を有する電気掃除機。   The electric vacuum blower which has the suction tool of Claim 3 connected with the vacuum cleaner main body which has an electric blower which generate | occur | produces a suction force, and a dust collection part which collects dust, and the said vacuum cleaner main body.
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