JPWO2006080383A1 - Vacuum cleaner and its suction port - Google Patents

Vacuum cleaner and its suction port Download PDF

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Publication number
JPWO2006080383A1
JPWO2006080383A1 JP2007500562A JP2007500562A JPWO2006080383A1 JP WO2006080383 A1 JPWO2006080383 A1 JP WO2006080383A1 JP 2007500562 A JP2007500562 A JP 2007500562A JP 2007500562 A JP2007500562 A JP 2007500562A JP WO2006080383 A1 JPWO2006080383 A1 JP WO2006080383A1
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Prior art keywords
chamber
suction
brush
rotary cleaning
suction port
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JP2007500562A
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JP4468440B2 (en
Inventor
高井　保志
保志 高井
森下　篤至
篤至 森下
市野　雄之
雄之 市野
杉山　善崇
善崇 杉山
満 渡邉
満 渡邉
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Toshiba Corp
Toshiba Lifestyle Products and Services Corp
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Toshiba Corp
Toshiba Consumer Electronics Holdings Corp
Toshiba Home Appliances Corp
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • 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
    • A47L9/0416—Driving means for the brushes or agitators driven by fluid pressure, e.g. by means of an air turbine
    • 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
    • A47L9/0466—Rotating tools
    • A47L9/0477—Rolls

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

コストを抑制しつつ回転清掃体による掃除性能を向上した電気掃除機の床ブラシを提供する。前カバー(18)の下端部が障害物に接触して後方に回動した際に、前カバー(18)の後面が回転ブラシ(21)に当接するとともに下端部が床面Ｆに接近し、開口部(38)が狭くなり回転清掃体室(22)の負荷が増加して回転清掃体室(22)側からの吸い込みが減少するので、吸気口からの吸気風量が相対的に増加し、エアタービン(27a)の回転力が増加するから、回転ブラシ(21)に加わる負荷の増加に対応してこの回転ブラシ(21)の回転力を例えばモータなどを用いることなく増加でき、コストを抑制しつつ回転ブラシ(21)による掃除性能を確保できる。Provided is a floor brush for a vacuum cleaner that improves the cleaning performance of a rotary cleaning body while suppressing costs. When the lower end of the front cover (18) contacts an obstacle and rotates backward, the rear surface of the front cover (18) contacts the rotating brush (21) and the lower end approaches the floor F, Since the opening (38) becomes narrow and the load on the rotary cleaning body chamber (22) increases and the suction from the rotary cleaning body chamber (22) side decreases, the intake air volume from the intake port increases relatively, Since the rotational force of the air turbine (27a) increases, the rotational force of the rotary brush (21) can be increased without using a motor or the like in response to an increase in the load applied to the rotary brush (21), thereby reducing costs. In addition, the cleaning performance by the rotating brush (21) can be secured.

Description

本発明は、吸気口からの吸気風により回転可能なファンを有する駆動部を備えた電気掃除機およびその吸込口体に関する。  The present invention relates to a vacuum cleaner provided with a drive unit having a fan that can be rotated by intake air from an intake port, and an intake port body thereof.

従来、電気掃除機に用いられる床ブラシとして、吸気口から吸い込んだ吸気風により扁平なエアタービンを回転させてこの回転により回転ブラシを回転させるものが知られている。このような床ブラシは、上側に吸気口を有する横長のケース体を備えている。このケース体には、回転ブラシを収容する回転清掃体室が前側に区画形成され、吸込口を下部に備えた吸込室が回転清掃体室の後方に連通して形成され、かつ、エアタービンを収容し吸気口に連通する駆動室が回転清掃体室の後方上側に区画されている（例えば、特許文献１参照。）。
特開平９−２４８２６０号（第３頁、図１） 2. Description of the Related Art Conventionally, floor brushes used in vacuum cleaners are known in which a flat air turbine is rotated by intake air sucked from an intake port and the rotating brush is rotated by this rotation. Such a floor brush is provided with a horizontally long case body having an intake port on the upper side. In this case body, a rotary cleaning body chamber for housing the rotary brush is defined on the front side, a suction chamber having a suction port at the bottom is formed in communication with the rear of the rotary cleaning body chamber, and an air turbine is provided. A drive chamber that is accommodated and communicated with the intake port is defined on the upper rear side of the rotary cleaning body chamber (see, for example, Patent Document 1).
JP-A-9-248260 (page 3, FIG. 1)

ところで、障害物の際の床面上の塵埃を掃除する際には、回転ブラシを障害物の際の床面に近付け、より高速に回転させることが好ましい。  By the way, when cleaning the dust on the floor surface at the time of an obstacle, it is preferable to move the rotating brush closer to the floor surface at the time of the obstacle and rotate it at a higher speed.

しかしながら、上述のような床ブラシでは、例えば障害物などの際の床面を掃除する際に、床ブラシの前側を障害物に当接すると回転ブラシのブラシ部がそれ以上障害物の際の床面に近付かず、また、ケース体の前側からの吸込口への吸い込みが変化しないので、回転ブラシの回転力が増加せず、障害物の際を充分に掃除することが容易でないという問題点を有している。  However, in the above-described floor brush, for example, when cleaning the floor surface in the case of an obstacle or the like, if the front side of the floor brush comes into contact with the obstacle, the brush portion of the rotating brush no longer has a floor in the case of the obstacle. Since the suction from the front side of the case body to the suction port does not change, the rotational force of the rotating brush does not increase, and it is not easy to sufficiently clean the obstacles. Have.

また、回転ブラシをモータにより回転させて回転ブラシの回転力を確保することも考えられるが、この場合には、モータを設ける分、床ブラシが高価となってしまう。  Although it is conceivable to rotate the rotating brush with a motor to ensure the rotational force of the rotating brush, in this case, the floor brush becomes expensive as the motor is provided.

本発明は、このような点に鑑みなされたもので、コストを抑制しつつ回転清掃体による掃除性能を向上した電気掃除機およびその吸込口体を提供することを目的とする。  This invention is made | formed in view of such a point, and it aims at providing the vacuum cleaner which improved the cleaning performance by a rotary cleaning body, and its suction inlet body, suppressing cost.

本発明は、被掃除面に対向する吸込口と、この吸込口よりも上側に位置した吸気口と、この吸気口からの吸気風により回転可能なファンを有する駆動部と、この駆動部により駆動される回転清掃体とを備えたケース体が、被掃除面と対向する下部に開口部を有するとともに、この開口部に回転清掃体を有する回転清掃体室と、吸込口に連通する吸込室と、駆動部を収容した駆動室と、回転清掃体室と吸込室とを下端部で連通する連通路と、回転清掃体室の前面よりも前方に突出して開口部の前部を覆い、下端部が後方へと移動可能な前カバーとを備え、この前カバーが、下端部の移動時に回転清掃体に当接するとともに被掃除面に接近するものである。  The present invention includes a suction port facing a surface to be cleaned, an intake port located above the suction port, a drive unit having a fan that can be rotated by intake air from the intake port, and a drive unit driven by the drive unit. And a rotary cleaning body chamber having a rotary cleaning body in the opening, and a suction chamber communicating with the suction port. A drive chamber that houses the drive unit, a communication path that connects the rotary cleaning body chamber and the suction chamber at the lower end, and projects forward from the front surface of the rotary cleaning body chamber to cover the front of the opening, and the lower end Includes a front cover that can move rearward, and the front cover abuts against the rotary cleaning body when the lower end portion moves, and approaches the surface to be cleaned.

また、本発明は、前カバーが、被当接物への当接時に下端部が後方に移動して回転清掃体に当接するとともに被当接部と回転清掃体室とで略閉空間を形成するものである。  Further, according to the present invention, when the front cover is in contact with the object to be contacted, the lower end part moves rearward to contact the rotary cleaning body, and a substantially closed space is formed by the contacted part and the rotary cleaning body chamber. To do.

本発明によれば、前カバーの下端部が後方に移動した際に回転清掃体に当接するとともに前カバーの下端部が被掃除面に接近することで、開口部が狭くなり回転清掃体室の負荷が増加して吸気口からの吸気風量が相対的に増加してファンの回転力が増加するので、回転清掃体に加わる負荷の増加に対応して回転清掃体の回転力を例えばモータなどを用いることなく増加でき、コストを抑制しつつ回転清掃体による掃除性能を確保できる。  According to the present invention, when the lower end portion of the front cover moves rearward, the lower end portion of the front cover approaches the surface to be cleaned while the lower end portion of the front cover approaches the surface to be cleaned. Since the load increases and the amount of intake air from the intake port increases relatively, and the rotational force of the fan increases, the rotational force of the rotational cleaning body is increased by, for example, a motor corresponding to the increase in the load applied to the rotational cleaning body. It can increase without using and can secure the cleaning performance by a rotary cleaning body, suppressing cost.

また、本発明によれば、前カバーの下端部が後方に移動した際に被当接部と回転清掃体室とで略閉空間を形成することで、回転清掃体室の負荷が増加して吸気口からの吸気風量が相対的に増加してファンの回転力が増加するので、回転清掃体に加わる負荷の増加に対応して回転清掃体の回転力を例えばモータなどを用いることなく増加でき、コストを抑制しつつ回転清掃体による掃除性能を確保できる。  Further, according to the present invention, when the lower end portion of the front cover moves rearward, the contacted portion and the rotary cleaning body chamber form a substantially closed space, thereby increasing the load on the rotary cleaning body chamber. Since the intake air volume from the intake port is relatively increased and the rotational force of the fan is increased, the rotational force of the rotational cleaning body can be increased without using a motor or the like in response to an increase in the load applied to the rotational cleaning body. The cleaning performance by the rotary cleaning body can be secured while suppressing the cost.

本発明の一実施の形態の吸込口体を示す縦断面図である。It is a longitudinal cross-sectional view which shows the suction inlet of one embodiment of this invention. 同上吸込口体の前側カバーの移動状態を示す縦断面図である。It is a longitudinal cross-sectional view which shows the movement state of the front cover of a suction inlet body same as the above. 同上吸込口体を一部を切り欠いて示す平面図である。It is a top view which cuts off a part of suction port body same as the above. 同上吸込口体を示す底面図である。It is a bottom view which shows a suction inlet same as the above. 同上吸込口体を備えた電気掃除機を示す斜視図である。It is a perspective view which shows the vacuum cleaner provided with the suction inlet same as the above.

符号の説明Explanation of symbols

１ 掃除機本体
２ 電動送風機
９ 吸込口体としての床ブラシ
11 ケース体
18 前カバー
21 回転清掃体としての回転ブラシ
22 回転清掃体室
24 吸込口
25 吸込室
27 駆動部
27a ファンとしてのエアタービン
28 駆動室
38 開口部
62 連通路
79 吸気口
Ｆ 被掃除面としての床面
Ｏ 被当接物としての障害物1 Vacuum Cleaner Body 2 Electric Blower 9 Floor Brush as Suction Port
11 Case body
18 Front cover
21 Rotating brush as rotating cleaning body
22 Rotary cleaning body chamber
24 Suction port
25 Suction chamber
27 Drive unit
27a Air turbine as a fan
28 Drive room
38 opening
62 Communication path
79 Air intake port F Floor surface to be cleaned O Obstacle as object to be contacted

以下、本発明の一実施の形態の電気掃除機の構成を図１ないし図５を参照して説明する。  Hereinafter, the configuration of a vacuum cleaner according to an embodiment of the present invention will be described with reference to FIGS. 1 to 5.

図５において、１は掃除機本体で、この掃除機本体１は、内部に収容された電動送風機２の駆動にて生じる吸気風とともに吸い込んだ塵埃を、着脱可能な図示しない集塵パックにて集塵する。  In FIG. 5, reference numeral 1 denotes a vacuum cleaner main body. The vacuum cleaner main body 1 collects dust sucked together with intake air generated by driving an electric blower 2 accommodated in a dust collection pack (not shown) that can be attached and detached. Dust.

また、この掃除機本体１には、外部から空気を吸引する本体吸込口３が開口されている。この本体吸込口３には、可撓性を有し湾曲可能な細長略円筒状のホース体４が連通接続されている。このホース体４の先端には、電動送風機２の動作モードなどが選択可能な手元操作部５が設けられている。この手元操作部５には、掃除する際に作業者が把持する把持部６が基端側に向けて突設されているとともに、掃除機本体１内の電動送風機２などを複数の駆動モードに設定する複数の設定ボタン７が設けられている。  The vacuum cleaner main body 1 has a main body suction port 3 for sucking air from the outside. An elongated substantially cylindrical hose body 4 that is flexible and can be bent is connected to the main body suction port 3. At the tip of the hose body 4, a hand operation unit 5 that can select an operation mode of the electric blower 2 is provided. The hand operating section 5 is provided with a gripping portion 6 that is gripped by an operator when cleaning, and projects the electric blower 2 in the cleaner body 1 in a plurality of drive modes. A plurality of setting buttons 7 for setting are provided.

さらに、この手元操作部５の先端には、伸縮可能な細長略円筒状の延長管８が着脱可能に連通接続されている。またさらに、この延長管８の先端には、例えば室内の床面の絨毯などの上に載置させて、この絨毯上の塵埃を吸い込む吸込口体としての床ブラシ９が着脱可能に連通接続されている。  Further, an elongated and substantially cylindrical extension tube 8 that can be expanded and contracted is detachably connected to the distal end of the hand operation unit 5. Furthermore, a floor brush 9 serving as a suction port for sucking dust on the carpet is detachably connected to the distal end of the extension pipe 8, for example, placed on a carpet on the floor of the room. ing.

そして、床ブラシ９は、図３および図５に示すように、横長のケース体11と、このケース体11の後部にこのケース体11に対して周方向および上下方向に回動可能に軸支され後端部である下流側が延長管８に連通接続される接続管部12とを備えている。すなわち、床ブラシ９は、延長管８、ホース体４および本体吸込口３を介して電動送風機２の吸込側に連通接続される。  As shown in FIGS. 3 and 5, the floor brush 9 is supported by a horizontally long case body 11 and a rear portion of the case body 11 so as to be rotatable in the circumferential direction and the vertical direction with respect to the case body 11. A downstream side as a rear end portion is provided with a connecting pipe portion 12 connected to the extension pipe 8 in communication. That is, the floor brush 9 is connected to the suction side of the electric blower 2 through the extension pipe 8, the hose body 4, and the main body suction port 3.

ケース体11は、図３および図４に示すように、上側を開放した下ケース15と、この下ケース15の上側を閉塞する上ケース16と、これら各ケース15，16の間に取り付けられる中ケース17と、上ケース16の前側に設けられた前カバー18と、各ケース15，16間に挟持され前カバー18の両側方からケース体11の両側に亘って連続するバンパ19とを有している。  As shown in FIGS. 3 and 4, the case body 11 is mounted between the lower case 15 whose upper side is opened, the upper case 16 which closes the upper side of the lower case 15, and the cases 15 and 16. A case 17, a front cover 18 provided on the front side of the upper case 16, and a bumper 19 sandwiched between the cases 15 and 16 and extending from both sides of the front cover 18 to both sides of the case body 11. ing.

さらに、ケース体11内には、下ケース15、上ケース16、中ケース17および前カバー18により、回転清掃体としての回転ブラシ21を被掃除面としての床面Ｆに対向する下部に回転可能に収容した回転清掃体室22が前端に区画形成されているとともに、この回転清掃体室22の後方の幅方向の一側である図３に示す右側に、床面Ｆ上の塵埃を吸い込む横長四角形状の吸込口24が下端部に開口形成され接続管部12の上流側に連通する吸込室25が区画形成され、また、回転清掃体室22の後方に、回転ブラシ21を回転駆動させる駆動部27を収容した駆動室28が吸込室25に対して気密に区画形成され、さらに、回転清掃体室22の図３に示す左側に、回転ブラシ21の一端部が挿入される側部伝達室29が区画形成されている。  Further, in the case body 11, the lower case 15, the upper case 16, the middle case 17 and the front cover 18 can rotate the rotary brush 21 as a rotary cleaning body to the lower part facing the floor surface F as a surface to be cleaned. The rotary cleaning body chamber 22 accommodated in the space is partitioned and formed at the front end, and on the right side shown in FIG. A rectangular suction port 24 is formed in the lower end portion, a suction chamber 25 communicating with the upstream side of the connecting pipe portion 12 is formed, and a drive for rotating the rotary brush 21 behind the rotary cleaning body chamber 22 is driven. A side transmission chamber in which a drive chamber 28 containing a portion 27 is formed in an airtight manner with respect to the suction chamber 25, and further, one end of the rotary brush 21 is inserted on the left side of the rotary cleaning body chamber 22 shown in FIG. 29 is partitioned.

ここで、駆動部27は、ファンとしてのエアタービン27aと、このエアタービン27aの回転を回転ブラシ21に伝達する伝達部27bとを備えている。  Here, the drive unit 27 includes an air turbine 27a as a fan and a transmission unit 27b that transmits the rotation of the air turbine 27a to the rotating brush 21.

また、下ケース15は、ケース体11の下部を形成するもので、平面視で横長四角形板状の下ケース本体31と、この下ケース本体31の図４に示す右側に着脱可能に設けられた閉塞板32と、下ケース本体31の後部から突設され接続管部12の前端側の下部に位置する突出部33とを有し、平面視で凸字状に形成されている。  The lower case 15 forms the lower part of the case body 11, and is detachably provided on the lower case body 31 in the form of a horizontally long rectangular plate in plan view and on the right side of the lower case body 31 shown in FIG. It has a blocking plate 32 and a protruding portion 33 that protrudes from the rear portion of the lower case main body 31 and is located at the lower portion on the front end side of the connecting pipe portion 12, and is formed in a convex shape in plan view.

下ケース本体31は、図示しない複数の螺子により上ケース16および中ケース17と一体的に固定されている。また、この下ケース本体31は、図１に示す左側である前端側に、上方に立ち上がる横長の前壁部35を備え、この前壁部35の上端からは、略水平前方に延出部36が延設され、これら前壁部35と延出部36の両側には、側壁部37，37が連続して形成され、これら前壁部35、延出部36および側壁部37，37によりケース体11の前側から下側に亘って開口部38が形成されている。  The lower case body 31 is integrally fixed to the upper case 16 and the middle case 17 by a plurality of screws (not shown). Further, the lower case body 31 includes a horizontally long front wall portion 35 that rises upward on the front end side that is the left side shown in FIG. 1, and an extension portion 36 that extends substantially horizontally forward from the upper end of the front wall portion 35. The side wall portions 37 and 37 are continuously formed on both sides of the front wall portion 35 and the extension portion 36, and the front wall portion 35, the extension portion 36, and the side wall portions 37 and 37 form a case. An opening 38 is formed from the front side to the lower side of the body 11.

そして、これら前壁部35、延出部36、側壁部37，37および開口部38の前側を覆う前カバー18により回転清掃体室22が区画形成されている。また、前壁部35の図３に示す左端部の後方には、下ケース本体31の後方に向けて延設されるとともに先端部が図３に示す右側へと屈曲した後方区画壁部39が延設され、この後方区画壁部39および回転清掃体室22の図３に示す左側方に、側部伝達室29が区画されている。  The rotary cleaning body chamber 22 is defined by the front cover 18 covering the front side of the front wall portion 35, the extension portion 36, the side wall portions 37 and 37, and the opening portion 38. Further, a rear partition wall 39 that extends toward the rear of the lower case body 31 and has a tip bent to the right side shown in FIG. 3 is provided behind the left end of the front wall 35 shown in FIG. A side transmission chamber 29 is defined on the left side of the rear partition wall 39 and the rotary cleaning body chamber 22 shown in FIG.

ここで、回転清掃体室22に回転可能に設けられている回転ブラシ21は、図４に示すように、軸部材としての略細長円柱状のブラシ組立41と、このブラシ組立41の外周面に螺旋状に取り付けられた清掃部材としての複数、例えば６つのブラシ部42とを有し、ブラシ組立41の両端部が円筒状の軸受43を介して軸支されてブラシ部42の先端部が下ケース15の下面よりも下方に突出して床面Ｆに当接可能となっている。  Here, as shown in FIG. 4, the rotary brush 21 provided rotatably in the rotary cleaning body chamber 22 has a substantially elongated cylindrical brush assembly 41 as a shaft member, and an outer peripheral surface of the brush assembly 41. A plurality of, for example, six brush portions 42 as cleaning members attached in a spiral shape are provided. Both end portions of the brush assembly 41 are pivotally supported via a cylindrical bearing 43, and the tip end portion of the brush portion 42 is lowered. It protrudes below the lower surface of the case 15 and can contact the floor surface F.

そして、ブラシ組立41は、図１および図２に示すように、ブラシ部42に対応した複数、例えば６つの取付溝部45を外周面に備えている。これら取付溝部45は、ブラシ組立41の軸方向に沿って螺旋状に形成され、ブラシ組立41の周方向に互いに離間されている。  As shown in FIGS. 1 and 2, the brush assembly 41 includes a plurality of, for example, six attachment groove portions 45 corresponding to the brush portion 42 on the outer peripheral surface. The mounting groove portions 45 are formed in a spiral shape along the axial direction of the brush assembly 41 and are separated from each other in the circumferential direction of the brush assembly 41.

また、各ブラシ部42は、ブラシ組立41の取付溝部45に取り付けられる基端部である被取付部47と、この被取付部47に複数本ずつ束ねられた状態で突設され先端部が床面Ｆに接触するブラシ毛48とを備え、これらブラシ毛48がブラシ組立41の径方向に突出するようにブラシ組立41にそれぞれ取り付けられている。  Each brush portion 42 is provided with a mounting portion 47 that is a base end portion that is attached to the mounting groove portion 45 of the brush assembly 41, and a plurality of brush portions 42 that are bundled with the mounting portion 47, and the tip portion is a floor. And bristles 48 in contact with the surface F. The bristles 48 are attached to the brush assemblies 41 so as to protrude in the radial direction of the brush assembly 41, respectively.

そして、軸受43は、図４に示すように、ブラシ組立41の両端部にそれぞれ嵌着され、回転清掃体室22を区画する側壁部37，37にそれぞれ回転可能に軸支されている。さらに、各軸受43は、それぞれケース体11内に挿入されており、図４に示す右側の軸受43が閉塞板32の取り外しにより外部に露出するようになっている。  As shown in FIG. 4, the bearing 43 is fitted to both ends of the brush assembly 41, and is rotatably supported by the side wall portions 37 and 37 that define the rotary cleaning body chamber 22. Further, each bearing 43 is inserted into the case body 11, and the right bearing 43 shown in FIG.

また、下ケース本体31の床面Ｆに対向する下面の図４に示す左側の前端部には、拭き取り部材としての前部起毛布51が設けられている。さらに、下ケース本体31の図４に示す左側の前部起毛布51の後方には、回転清掃体室22に連通するとともにケース体11の図４に示す左側部に連通する連通溝52が幅方向に沿って設けられている。  Further, a front raised cloth 51 as a wiping member is provided at the front end portion on the left side shown in FIG. Furthermore, a communication groove 52 communicating with the rotary cleaning body chamber 22 and communicating with the left side portion of the case body 11 shown in FIG. It is provided along the direction.

またさらに、下ケース本体31の前壁部35の後方、すなわち回転清掃体室22の後方には、吸込口24が図４に示す左側に偏倚して開口形成され、この吸込口24に連通して、横長の風路としての吸込溝54が図４に示す右側、すなわち駆動室28の下方に位置して閉塞板32の近傍に亘って設けられ、また、吸込口24の図４に示す左側からケース体11の図４に示す左側部および連通溝52にそれぞれ連続する吸気溝55が幅方向に沿って設けられている。これら吸込口24、吸込溝54および吸気溝55により、吸込部56が構成されている。  Further, a suction port 24 is formed in the rear side of the front wall portion 35 of the lower case body 31, that is, the rear side of the rotary cleaning body chamber 22 so as to be biased to the left side shown in FIG. 4 and communicate with the suction port 24. 4, a suction groove 54 as a horizontally long air passage is provided on the right side shown in FIG. 4, ie, below the drive chamber 28 and in the vicinity of the closing plate 32, and the suction port 24 on the left side shown in FIG. From the left side of the case body 11 shown in FIG. 4 and the communication groove 52, intake grooves 55 are provided along the width direction. The suction port 24, the suction groove 54, and the suction groove 55 constitute a suction part 56.

吸込溝54は、下方が開放され、吸込口24の幅寸法との合計の幅寸法が、回転ブラシ21の軸寸法と略等しくなるように、もしくは、回転清掃体室22の長手方向の寸法と略等しくなるように形成されている。  The suction groove 54 is opened at the bottom, and the total width dimension of the suction opening 24 and the width dimension of the suction opening 24 is substantially equal to the axial dimension of the rotary brush 21 or the longitudinal dimension of the rotary cleaning body chamber 22. It is formed so as to be substantially equal.

そして、吸込部56の前端部と回転清掃体室22の後端部との間には、回転清掃体室22と吸込部56とを区画する区画壁部61が形成されている。この区画壁部61には、回転清掃体室22と吸込部56との下端部を連通する複数、例えば５つの連通路62が、ケース体11の幅方向に互いに離間されてそれぞれ設けられている。これら連通路62は、例えば横長に形成され、回転清掃体室22の後部と吸込部56の吸込口24および吸込溝54の前部との間に位置してそれぞれ配設されている。したがって、これら連通路62のそれぞれの間の区画壁部61は、横長の凸リブ状に形成され、絨毯などが吸込口24、吸込溝54、あるいは連通路62に貼り付くことを防止する。  A partition wall 61 that partitions the rotary cleaning body chamber 22 and the suction portion 56 is formed between the front end portion of the suction portion 56 and the rear end portion of the rotary cleaning body chamber 22. The partition wall 61 is provided with a plurality of, for example, five communication passages 62 that communicate with the lower end portions of the rotary cleaning body chamber 22 and the suction portion 56 and are separated from each other in the width direction of the case body 11. . These communication passages 62 are formed in, for example, a horizontally long shape and are respectively disposed between the rear portion of the rotary cleaning body chamber 22 and the suction port 24 of the suction portion 56 and the front portion of the suction groove 54. Therefore, the partition wall portion 61 between each of the communication passages 62 is formed in a horizontally long convex rib shape, and prevents a carpet or the like from sticking to the suction port 24, the suction groove 54, or the communication passage 62.

また、下ケース本体31の吸込部56の後方には、ケース体11の幅方向に細長い清掃体としての起毛布64が設けられている。この起毛布64は、下ケース15の下面よりも若干下方に突出している。  Further, on the rear side of the suction part 56 of the lower case main body 31, a raised cloth 64 as a cleaning body elongated in the width direction of the case body 11 is provided. The raised cloth 64 protrudes slightly below the lower surface of the lower case 15.

さらに、この起毛布64の後方のケース体11の幅方向の中心域には、接続管部12の吸込側に連通し床ブラシ９を床面Ｆから持ち上げた際にのみ空気を吸い込んで駆動部27のエアタービン27aの回転すなわち回転ブラシ21の回転を停止させるリーク用の後部吸込口65が開口形成されている。  Further, in the central region in the width direction of the case body 11 behind the brushed cloth 64, the air is sucked only when the floor brush 9 is lifted from the floor surface F and communicates with the suction side of the connecting pipe portion 12. A leak rear suction port 65 for stopping the rotation of the 27 air turbine 27a, that is, the rotation of the rotary brush 21, is formed as an opening.

そして、閉塞板32は、側部伝達室29の下方に取り付けられるとともに回転ブラシ21の一端部の軸受43を上ケース16との間で着脱可能に収容するもので、下ケース本体31の回転清掃体室22の一側方の前端部から後端部に亘って長手状に連続し、装着部材66を回動させることにより下ケース本体31に対して着脱可能となる。  The closing plate 32 is attached to the lower side of the side transmission chamber 29 and accommodates the bearing 43 at one end of the rotary brush 21 so as to be detachable between the upper case 16 and the rotational cleaning of the lower case body 31. The body chamber 22 continues in a longitudinal shape from the front end portion to the rear end portion on one side, and can be attached to and detached from the lower case main body 31 by rotating the mounting member 66.

また、閉塞板32の下面の前部には、ケース体11の前後方向にて前部起毛布51に対応する位置に、前部起毛布71が設けられている。さらに、閉塞板32には、ケース体11の前後方向にて連通溝52に対応する装着部材66の前方に、回転清掃体室22の下端部からケース体11の図４に示す右側部に連続し下端部が開放された連通溝72が幅方向に沿って設けられている。  Further, a front raised cloth 71 is provided at a position corresponding to the front raised cloth 51 in the front-rear direction of the case body 11 at the front part of the lower surface of the closing plate 32. Further, the closing plate 32 is connected to the front side of the mounting member 66 corresponding to the communication groove 52 in the front-rear direction of the case body 11 and from the lower end portion of the rotary cleaning body chamber 22 to the right side portion of the case body 11 shown in FIG. A communication groove 72 having a lower end opened is provided along the width direction.

そして、突出部33は、下ケース本体31の幅方向の中心域の後部から先端に向けて幅狭となるように突設され、この突出部33の先端部に車輪74の両端部を回転可能に軸支する切欠凹部75が形成されている。また、突出部33の下面の切欠凹部75の前側には、後部吸込口65の両側に連続する後部清掃体としての後部起毛布76が設けられている。さらに、突出部33の上面には、接続管部12の先端部が嵌合する嵌合溝77が設けられている。  The projecting portion 33 projects so as to become narrower from the rear portion of the center region in the width direction of the lower case body 31 toward the tip, and both ends of the wheel 74 can be rotated at the tip of the projecting portion 33. A notch recess 75 is formed to be pivotally supported. Further, on the front side of the notch recess 75 on the lower surface of the projecting portion 33, a rear raised cloth 76 is provided as a rear cleaning body continuous on both sides of the rear suction port 65. Further, a fitting groove 77 into which the distal end portion of the connecting pipe portion 12 is fitted is provided on the upper surface of the protruding portion 33.

また、上ケース16は、図１および図３に示すように、下ケース15の形状に対応した横長四角形板状に形成され、前端部が下方に湾曲して下ケース15の前端部の上方に位置し、この前端部に前カバー18の上端部が回動可能に軸支されている。  Further, as shown in FIGS. 1 and 3, the upper case 16 is formed in a horizontally long rectangular plate shape corresponding to the shape of the lower case 15, and the front end portion is curved downward and above the front end portion of the lower case 15. The upper end portion of the front cover 18 is pivotally supported by the front end portion so as to be rotatable.

さらに、この上ケース16の下部には、中ケース17の上部に嵌合する平面視円環状のリブ78が下方に向けて突設され、このリブ78の中ケース17の上端部への嵌合により、駆動室28が区画形成される。そして、この上ケース16の上部および後部の図３に示す右側、すなわち駆動室28の後側の幅方向他側には、この駆動室28に連通する複数の小径の丸孔により構成された吸気口79が開口形成されている。  Further, an annular rib 78 in plan view that fits into the upper part of the middle case 17 projects downward from the lower part of the upper case 16, and is fitted to the upper end of the middle case 17 of the rib 78. Thus, the drive chamber 28 is partitioned. The upper and rear portions of the upper case 16 on the right side shown in FIG. 3, that is, on the other side in the width direction on the rear side of the drive chamber 28, are intake air constituted by a plurality of small-diameter round holes communicating with the drive chamber 28. An opening 79 is formed.

また、この上ケース16は、幅方向の中心域の後部が下ケース15の突出部33の基端部の上方に突出し、接続管部12の前端側の外周に嵌合している。  The upper case 16 has a rear portion in the center region in the width direction that protrudes above the base end portion of the protruding portion 33 of the lower case 15 and is fitted to the outer periphery of the connecting tube portion 12 on the front end side.

さらに、中ケース17は、図１および図３に示すように、吸気口79の全てに連通する吸気室81を駆動室28の図３に示す右側すなわち吸込室25の上方に区画する吸気室壁部82と、この吸気室壁部82に連続し上端部が上ケース16のリブ78に当接してエアタービン27aを収容するタービン室83を駆動室28内に区画するとともに吸気口79からの吸気風をタービン室83へと導入して接続管部12へと流す導入風路84を区画するタービン室壁部85とを備え、駆動室28内を、吸気室81およびタービン室83が位置する部分と、伝達部27bを収容する伝達室88が位置する部分とに、さらに区画するものである。  Further, as shown in FIGS. 1 and 3, the middle case 17 has an intake chamber wall that partitions an intake chamber 81 communicating with all of the intake ports 79 on the right side of the drive chamber 28 in FIG. 3, that is, above the intake chamber 25. And a turbine chamber 83 that is continuous with the intake chamber wall portion 82 and has an upper end abutting against the rib 78 of the upper case 16 to accommodate the air turbine 27a in the drive chamber 28 and intake air from the intake port 79 A turbine chamber wall portion 85 that defines an introduction air passage 84 that introduces wind into the turbine chamber 83 and flows it to the connecting pipe portion 12, and a portion in which the intake chamber 81 and the turbine chamber 83 are located in the drive chamber 28 And a portion where the transmission chamber 88 for accommodating the transmission portion 27b is located.

そして、吸気室壁部82は、平面視で横長四角形状に形成されて略水平方向に沿って位置し、タービン室壁部85に隣接する部分の前端が導入風路84に向けて下側へと凹状に形成されている。  The intake chamber wall portion 82 is formed in a horizontally long rectangular shape in plan view and is positioned along the substantially horizontal direction, and the front end of the portion adjacent to the turbine chamber wall portion 85 is directed downward toward the introduction air passage 84. It is formed in a concave shape.

また、タービン室壁部85は、略有底円筒状の壁本体部91と、この壁本体部91の底部の中心から下方に突設されエアタービン27aを回転可能に軸支する軸支部92と、壁本体部91の底部の軸支部92の前方から下方に突設され軸支部92の周囲に沿って導入風路84を区画する風路区画部93とを有している。  The turbine chamber wall 85 includes a substantially bottomed cylindrical wall body 91, and a shaft support 92 that projects downward from the center of the bottom of the wall body 91 and pivotally supports the air turbine 27a. The wall main body 91 has an air passage partition section 93 that protrudes downward from the front of the shaft support section 92 and partitions the introduction air path 84 along the periphery of the shaft support section 92.

壁本体部91は、エアタービン27aの外周に若干の間隙を介して離間されているとともに上端部が上ケース16のリブ78に当接してタービン室83を上ケース16との間に区画形成するもので、図３に示す右側の前端部が吸気室壁部82の前端部に連続している。このため、導入風路84は、エアタービン27aの右側方にて吸気室81に向けて拡開されている。  The wall main body 91 is spaced apart from the outer periphery of the air turbine 27a via a slight gap, and the upper end of the wall main body 91 abuts against the rib 78 of the upper case 16 to define the turbine chamber 83 between the upper case 16 and the upper wall. Therefore, the right front end portion shown in FIG. 3 is continuous with the front end portion of the intake chamber wall portion 82. For this reason, the introduction air passage 84 is expanded toward the intake chamber 81 on the right side of the air turbine 27a.

また、軸支部92は、図１および図３に示すように、タービン室83と伝達室88とを連通する連通孔95を中央に備えた略円筒状に形成されている。さらに、この軸支部92の後側の下端部には、中ケースリブ96が下方に向けて突設され、この中ケースリブ96の下端部が下ケース15の起毛布64の上側の位置から上方に向けて突設された下ケースリブ97の上端部に嵌合することで、これらリブ96，97により後部吸込口65側と駆動室28とが気密に区画されている。  As shown in FIGS. 1 and 3, the shaft support portion 92 is formed in a substantially cylindrical shape having a communication hole 95 at the center for communicating the turbine chamber 83 and the transmission chamber 88. Further, an intermediate case rib 96 projects downward from the lower end of the shaft support 92 on the rear side, and the lower end of the intermediate case rib 96 faces upward from a position above the raised cloth 64 of the lower case 15. By fitting into the upper end portion of the lower case rib 97 protruding in this manner, the rear suction port 65 side and the drive chamber 28 are airtightly partitioned by these ribs 96 and 97.

さらに、風路区画部93は、軸支部92の下端部から断面視で上側に凸弧状となるように上方向に傾斜してタービン室壁部85の底部および吸気室壁部82に連続するものであり、前端部が下ケース15の前壁部35の上端部に当接している。  Further, the air passage partition section 93 is inclined upward from the lower end of the shaft support section 92 so as to form a convex arc shape in a cross-sectional view and continues to the bottom of the turbine chamber wall section 85 and the intake chamber wall section 82. The front end portion is in contact with the upper end portion of the front wall portion 35 of the lower case 15.

ここで、駆動室28のタービン室83に収容されているエアタービン27aは、図１に示すように、平面視で円形状の扁平なタービン本体101と、このタービン本体101と一体的に設けられた回転軸102とを有し、図３に示すように、床ブラシ９のケース体11の幅方向の略中心に位置している。  Here, as shown in FIG. 1, the air turbine 27a accommodated in the turbine chamber 83 of the drive chamber 28 is provided integrally with the turbine body 101 and a flat turbine body 101 having a circular shape in plan view. As shown in FIG. 3, the rotary shaft 102 is positioned substantially at the center in the width direction of the case body 11 of the floor brush 9.

タービン本体101は、タービン室83内に収容される部分であり、図１に示すように、円板状の天板104と、この天板104の下部に複数突設されたタービン翼105とを備えている。これらタービン翼105は、導入風路84を通過する吸気風を受けてエアタービン27aを回転させるものであり、タービン本体101の中心軸側から天板104の外周縁に向けて、周方向に湾曲した弧状に形成され、タービン本体101の周方向に互いに略等間隔に離間されて先端部が導入風路84に臨んでいる。  The turbine main body 101 is a portion accommodated in the turbine chamber 83. As shown in FIG. 1, the turbine main body 101 includes a disk-shaped top plate 104 and a plurality of turbine blades 105 protruding below the top plate 104. I have. These turbine blades 105 rotate the air turbine 27a in response to the intake air passing through the introduction air passage 84, and are curved in the circumferential direction from the central axis side of the turbine body 101 toward the outer peripheral edge of the top plate 104. The front ends of the turbine main body 101 face the introduction air passage 84 at a substantially equal interval in the circumferential direction of the turbine body 101.

また、回転軸102は、軸支部92に挿通され、上下２箇所の外周面に取り付けられた抜け止めリング106，107が、軸支部92内に設けられた段差部108，109にそれぞれ係合することで、中ケース17に対して抜け止めされている。  Further, the rotation shaft 102 is inserted into the shaft support portion 92, and retaining rings 106 and 107 attached to the outer peripheral surfaces of the upper and lower portions engage with the step portions 108 and 109 provided in the shaft support portion 92, respectively. Thus, the intermediate case 17 is prevented from coming off.

さらに、伝達室88は、ケース体11の図３に示す左側、すなわち吸込室25の側方に区画形成され、回転ブラシ21の図３に示す左側の軸受43が内部に挿入されている。  Further, the transmission chamber 88 is partitioned and formed on the left side of the case body 11 as shown in FIG. 3, that is, on the side of the suction chamber 25, and the left bearing 43 shown in FIG.

そして、この伝達室88に収容された伝達部27bは、いわゆるギアボックスであり、図１および図３に示すように、吸込口24の側方に位置し、ギア収容部としての伝達部本体111と、この伝達部本体111から下方に突設され水平方向に回転するテンションプーリ112および駆動プーリ113と、伝達部本体111から図３に示す左側に突設され垂直方向に回転する伝達プーリ114とを有し、エアタービン27aの回転軸102と各プーリ112，113との間に、ベルト115が巻き掛けられ、かつ、伝達プーリ114と回転ブラシ21の軸受43との間に、伝達ベルト116が巻きかけられている。  The transmission part 27b accommodated in the transmission chamber 88 is a so-called gear box, and is located on the side of the suction port 24 as shown in FIGS. 1 and 3, and is a transmission part main body 111 as a gear accommodation part. A tension pulley 112 and a drive pulley 113 that project downward from the transmission unit body 111 and rotate in the horizontal direction, and a transmission pulley 114 that projects from the transmission unit body 111 on the left side and rotates in the vertical direction as shown in FIG. The belt 115 is wound between the rotating shaft 102 of the air turbine 27a and each of the pulleys 112 and 113, and the transmission belt 116 is interposed between the transmission pulley 114 and the bearing 43 of the rotating brush 21. It is wrapped around.

伝達部本体111内には、ベルト115を介してエアタービン27aの回転力を伝達された各プーリ112，113の回転力および回転方向を、伝達プーリ114の回転力および回転方向に変換する図示しない傘歯車などが設けられている。  In the transmission unit main body 111, the rotational force and rotational direction of the pulleys 112 and 113 to which the rotational force of the air turbine 27a is transmitted via the belt 115 are converted into the rotational force and rotational direction of the transmission pulley 114 (not shown). A bevel gear is provided.

また、テンションプーリ112は、ベルト115に所定のテンションを付与するものである。  Further, the tension pulley 112 applies a predetermined tension to the belt 115.

さらに、駆動プーリ113は、伝達部本体111内に設けられた所定の歯車にエアタービン27aからの回転力を伝達するものである。  Further, the drive pulley 113 transmits the rotational force from the air turbine 27a to a predetermined gear provided in the transmission unit main body 111.

そして、伝達プーリ114は、駆動プーリ113から伝達されたエアタービン27aの回転力を回転ブラシ21へと伝達するものである。  The transmission pulley 114 transmits the rotational force of the air turbine 27a transmitted from the drive pulley 113 to the rotating brush 21.

さらに、前カバー18は、若干の可撓性を有する合成樹脂などで成形され、図１ないし図３に示すように、横長の前カバー本体121と、この前カバー本体121の上端部から後方に向けて複数突設された突設部122とを有し、上ケース16の前端部に幅方向に沿って設けられた回動軸123に前後方向に回動可能に軸支されている。そして、この前カバー18は、通常の状態で下ケース15の前面から下端部側が前方に突出しており、例えば壁などの被当接物としての障害物Ｏに床ブラシ９の前側が衝突した際に下端部側が後方に回動するものである。  Further, the front cover 18 is formed of a slightly flexible synthetic resin or the like. As shown in FIGS. 1 to 3, the front cover body 121 and a front cover body 121 are rearwardly extended from the upper end portion of the front cover body 121. A plurality of projecting portions 122 projecting toward the front, and is pivotally supported by a pivot shaft 123 provided along the width direction at the front end portion of the upper case 16 so as to be pivotable in the front-rear direction. The front cover 18 protrudes forward from the front surface of the lower case 15 in the normal state. When the front side of the floor brush 9 collides with an obstacle O as an abutted object such as a wall, for example. The lower end side pivots backward.

前カバー本体121は、前側に凸状の断面円弧状に形成され、回転清掃体室22の前側を区画している。また、この前カバー本体121は、下端部が回転ブラシ21のブラシ組立41の中心軸近傍に位置し、後方に回動した状態では図２に示すように、下端部が床面Ｆに近付いて回転ブラシ21のブラシ部42のブラシ毛48の先端部が後面に当接するようになっている。さらに、前カバー本体121の前部には、ケース体11の幅方向に沿って断面凹弧状の凹部124が上下に複数設けられている。  The front cover main body 121 is formed in a convex cross-section arc shape on the front side, and partitions the front side of the rotary cleaning body chamber 22. The front cover body 121 has a lower end located near the central axis of the brush assembly 41 of the rotating brush 21 and, when rotated rearward, the lower end approaches the floor F as shown in FIG. The front ends of the brush hairs 48 of the brush portion 42 of the rotating brush 21 are in contact with the rear surface. Further, a plurality of concave portions 124 having a concave arc shape in cross section are provided at the front portion of the front cover main body 121 along the width direction of the case body 11.

またさらに、前カバー本体121の後面側には、図１に示すように、前後方向に沿って補強用の複数のカバーリブ125が設けられている。これらカバーリブ125は、ケース体11の幅方向に互いに離間されている。  Further, as shown in FIG. 1, a plurality of reinforcing ribs 125 for reinforcement are provided on the rear surface side of the front cover main body 121 along the front-rear direction. These cover ribs 125 are separated from each other in the width direction of the case body 11.

そして、突設部122は、平面視で四角形状に形成され、ケース体11の幅方向に互いに離間されており、これら突設部122の間には、下ケース15の延出部36からさらに前方に突設された図示しない嵌合片部がそれぞれ嵌合している。  The projecting portions 122 are formed in a quadrangular shape in a plan view and are separated from each other in the width direction of the case body 11, and further between the projecting portions 122 from the extending portion 36 of the lower case 15. Fitting pieces (not shown) projecting forward are fitted with each other.

さらに、これら突設部122の後端部は、図４に示すように、延出部36の先端上側に切り欠き形成された切欠嵌合凹部127に、前カバー18が通常の状態で嵌合している。そして、突設部122の下部には、回動軸123が嵌合する断面視円形状の嵌合凹部128が設けられ、この嵌合凹部128の後端側の縁部には、後方に向けて上側に傾斜した傾斜面部129が設けられている。この傾斜面部129は、前カバー18が後方に回動した際に延出部36の前端部に摺接して回転清掃体室22の上側の隙間を閉塞するようになっている。なお、この傾斜面部129は、前カバー18が後方に最大に回動した状態で延出部36の前面に当接することで前カバー18の後方への回動角度を規制するものであるため、前カバー18の回動量に応じてその傾斜角度を適宜設定する。  Further, as shown in FIG. 4, the rear end portion of the projecting portion 122 is fitted in a normal state with the front cover 18 in a notch fitting recessed portion 127 formed by notching the upper end of the extending portion 36. is doing. A fitting recess 128 having a circular shape in section when the rotating shaft 123 is fitted is provided at a lower portion of the projecting portion 122, and a rear end side edge of the fitting recess 128 is directed rearward. An inclined surface portion 129 that is inclined upward is provided. The inclined surface portion 129 is in sliding contact with the front end portion of the extending portion 36 when the front cover 18 is rotated rearward so as to close the upper gap of the rotary cleaning body chamber 22. The inclined surface portion 129 regulates the angle of rotation of the front cover 18 to the rear by contacting the front surface of the extension portion 36 in a state where the front cover 18 is rotated to the maximum rearward. The inclination angle is appropriately set according to the amount of rotation of the front cover 18.

また、回動軸123は、例えば金属などの部材で形成され、各嵌合片部に挿通されて突設部122の嵌合凹部128に下側から嵌合されて一体的に取り付けられている。さらに、この回動軸123の両端に位置した嵌合片部に対応する位置には、図示しないトーションばねが取り付けられており、これらトーションばねが前カバー18に対して前方向に付勢力を付与している。  Further, the rotating shaft 123 is formed of a member such as metal, for example, and is inserted through each fitting piece and fitted into the fitting recess 128 of the projecting portion 122 from below, and is integrally attached. . Further, torsion springs (not shown) are attached at positions corresponding to the fitting pieces located at both ends of the rotating shaft 123, and these torsion springs apply a biasing force to the front cover 18 in the forward direction. is doing.

そして、バンパ19は、例えば軟質の合成樹脂などにより、床ブラシ９が壁などに衝突した際の緩衝用に設けられている。  The bumper 19 is provided for buffering when the floor brush 9 collides with a wall or the like by, for example, a soft synthetic resin.

また、回転清掃体室22と吸込室25とは、回転ブラシ21が掻き上げた塵埃が床面Ｆに再付着しないように互いに隣接して設けられている。  Further, the rotary cleaning body chamber 22 and the suction chamber 25 are provided adjacent to each other so that dust picked up by the rotary brush 21 does not reattach to the floor surface F.

さらに、回転清掃体室22と駆動室28とは、ケース体11のコンパクト化を図るために隣接して設けられている。  Further, the rotary cleaning body chamber 22 and the drive chamber 28 are provided adjacent to each other in order to make the case body 11 compact.

次に、上記一実施の形態による掃除動作を説明する。  Next, the cleaning operation according to the above embodiment will be described.

まず、作業者は、掃除機本体１の本体吸込口３に、ホース体４、延長管８および床ブラシ９を順次連通接続する。  First, the worker sequentially connects the hose body 4, the extension pipe 8, and the floor brush 9 to the main body suction port 3 of the cleaner body 1.

さらに、作業者が、掃除機本体１から図示しない電源コードを引き出して図示しないコンセントに接続した後、把持部６を把持して所定の設定ボタン７を操作すると、この設定ボタン７により設定された動作モードに応じて電動送風機２が所定の動作モードで駆動される。  Further, when the operator pulls out a power cord (not shown) from the cleaner body 1 and connects it to an outlet (not shown), and then grips the grip 6 and operates a predetermined setting button 7, the setting button 7 is set. The electric blower 2 is driven in a predetermined operation mode according to the operation mode.

次いで、作業者は、把持部６を把持して床面Ｆ上で床ブラシ９を前後に走行させて床面Ｆの塵埃を吸い込む。  Next, the operator grips the grip portion 6 and causes the floor brush 9 to run forward and backward on the floor surface F to suck in dust on the floor surface F.

このとき、起毛布64および後部起毛布76が床面Ｆに密着することで後部吸込口65の周囲が閉塞され、床ブラシ９の下側では吸込口24から空気が吸い込まれ、床ブラシ９の上側では吸気口79から空気が吸い込まれる。  At this time, the raised cloth 64 and the rear raised cloth 76 are in close contact with the floor surface F, so that the periphery of the rear suction port 65 is closed, and air is sucked in from the suction port 24 below the floor brush 9. On the upper side, air is sucked from the intake port 79.

吸込口24からの吸い込みの負圧は、連通溝52，72および吸込溝54などにより平均化され、これら連通溝52，72および吸込溝54などからも吸込口24を介して塵埃が空気とともに吸い込まれる。  The negative pressure of the suction from the suction port 24 is averaged by the communication grooves 52, 72 and the suction groove 54, and dust is sucked together with air from the communication grooves 52, 72 and the suction groove 54 through the suction port 24. It is.

同時に、吸気口79から吸い込まれた空気が、吸気室81を介して導入風路84へと流入し、縮径する導入風路84により風速を速められながら接続管部12へと通過する際にタービン翼105に当たってエアタービン27aを回転させる。  At the same time, when the air sucked from the intake port 79 flows into the introduction air passage 84 through the intake chamber 81 and passes through the connection pipe portion 12 while being accelerated by the introduction air passage 84 whose diameter is reduced. The air turbine 27a is rotated by hitting the turbine blade 105.

このエアタービン27aの回転により回転された回転軸102の回転が、ベルト115を介して駆動プーリ113へと伝達され、伝達部27b内で回転方向などが変換されて伝達プーリ114から出力され、この伝達プーリ114の出力が伝達ベルト116を介して回転ブラシ21へと伝達され、回転ブラシ21が所定の方向に回転する。  The rotation of the rotating shaft 102 rotated by the rotation of the air turbine 27a is transmitted to the drive pulley 113 via the belt 115, and the rotation direction is converted in the transmission unit 27b and output from the transmission pulley 114. The output of the transmission pulley 114 is transmitted to the rotary brush 21 via the transmission belt 116, and the rotary brush 21 rotates in a predetermined direction.

そして、この回転ブラシ21の回転により、ブラシ部42のブラシ毛48の先端が床面Ｆに接触してこの床面Ｆ上の塵埃を掻き上げる。  Then, by the rotation of the rotating brush 21, the tips of the brush hairs 48 of the brush portion 42 come into contact with the floor surface F and scrape up dust on the floor surface F.

この掻き上げられた塵埃は、連通路62を介して吸込溝54および吸込口24へと空気とともに吸い込まれる。  The dust thus picked up is sucked together with air into the suction groove 54 and the suction port 24 through the communication path 62.

また、床ブラシ９の前側を壁などの障害物Ｏに押し付けたりした際には、図２に示すように、前カバー18の下端側が回動軸123を中心として後方に回動することで、床ブラシ９のブラシ部42のブラシ毛48が障害物Ｏの際の床面Ｆに接近し、前カバー18の前面が下ケース15および上ケース16の前面と略面一となるとともに、前カバー18の後面が、回転ブラシ21のブラシ部42のブラシ毛48の先端に当接して回転ブラシ21に負荷を与える。  Further, when the front side of the floor brush 9 is pressed against an obstacle O such as a wall, the lower end side of the front cover 18 rotates backward about the rotation shaft 123 as shown in FIG. The brush bristles 48 of the brush portion 42 of the floor brush 9 approach the floor surface F at the time of the obstacle O, the front surface of the front cover 18 is substantially flush with the front surfaces of the lower case 15 and the upper case 16, and the front cover The rear surface of 18 abuts on the tip of the bristle 48 of the brush portion 42 of the rotating brush 21 and applies a load to the rotating brush 21.

このとき、前カバー18の障害物Ｏへの当接位置より上側と下側とが略気密に区画されて、障害物Ｏと回転清掃体室22とで略閉空間が形成されることで、ケース体11の前側すなわち吸込口24側からの吸込風量が減少するので、吸気口79からの吸込風量が相対的に増加して、エアタービン27aの回転力すなわち回転ブラシ21の回転力が上昇し、障害物Ｏの際の塵埃を掻き上げる。  At this time, the upper side and the lower side of the contact position of the front cover 18 against the obstacle O are partitioned substantially airtightly, and the obstacle O and the rotary cleaning body chamber 22 form a substantially closed space, Since the suction air volume from the front side of the case body 11, that is, the suction port 24 side decreases, the suction air volume from the intake port 79 relatively increases, and the rotational force of the air turbine 27a, that is, the rotational force of the rotary brush 21 increases. Scoop up dust on the obstacle O.

同時に、傾斜面部129が延出部36の前端部に摺接し、回転清掃体室22の上側の隙間を常時閉塞する。  At the same time, the inclined surface portion 129 is in sliding contact with the front end portion of the extending portion 36 and always closes the gap above the rotary cleaning body chamber 22.

また、床ブラシ９の前側を障害物Ｏから離した際には、図２の想像線に示すように、トーションばねの付勢力により、前カバー18の下端側が回動軸123を中心として前方に回動して復帰する。  When the front side of the floor brush 9 is separated from the obstacle O, the lower end side of the front cover 18 is moved forward about the rotation shaft 123 by the urging force of the torsion spring as shown by the imaginary line in FIG. Rotate to return.

このとき、前カバー18の突設部122の後端部が延出部36の切欠嵌合凹部127に嵌合するとともに、上ケース16の下端部に突設部122の回動軸123よりも前側の上面が隙間なく当接して前カバー18を保持する。  At this time, the rear end portion of the protruding portion 122 of the front cover 18 is fitted into the notch fitting concave portion 127 of the extending portion 36, and the lower end portion of the upper case 16 is more than the rotating shaft 123 of the protruding portion 122. The upper surface of the front side comes into contact with no gap and holds the front cover 18.

さらに、床ブラシ９を床面Ｆから持ち上げた際には、後部吸込口65が開口されることで、空気が吸込口24および後部吸込口65の双方から吸い込まれるので、吸気口79からの吸込風量が相対的に減少し、エアタービン27aすなわち回転ブラシ21の回転が停止する。  Further, when the floor brush 9 is lifted from the floor surface F, the rear suction port 65 is opened, so that air is sucked from both the suction port 24 and the rear suction port 65. The air volume is relatively reduced, and the rotation of the air turbine 27a, that is, the rotating brush 21, is stopped.

そして、床ブラシ９から空気とともに吸い込まれた塵埃は、床ブラシ９、延長管８およびホース体４を順次通過した後、掃除機本体１の本体吸込口３へと導かれて、この掃除機本体１内に収容された集塵パックに捕集される。  The dust sucked together with air from the floor brush 9 sequentially passes through the floor brush 9, the extension pipe 8 and the hose body 4, and then is guided to the main body suction port 3 of the cleaner body 1. It is collected in a dust collection pack housed in 1.

塵埃が捕集された空気は、電動送風機２へと吸気されて排気風となり、掃除機本体１の図示しない排気口から外部へと排気される。  The air in which the dust is collected is sucked into the electric blower 2 to become exhaust air, and is exhausted from an exhaust port (not shown) of the cleaner body 1 to the outside.

上述したように、上記一実施の形態によれば、床ブラシ９のケース体11の前側を障害物Ｏに押し付けるなどして前カバー18の下端部が障害物Ｏに接触して後方に回動した際に、前カバー18の後面が回転ブラシ21に当接するとともに下端部が床面Ｆに接近し、開口部38が狭くなり障害物Ｏと回転清掃体室22とで略閉空間を形成することで、回転清掃体室22の負荷が増加して回転清掃体室22側からの吸い込みが減少するので、吸気口79からの吸気風量が相対的に増加し、エアタービン27aの回転力が増加するから、回転ブラシ21に加わる負荷の増加に対応してこの回転ブラシ21の回転力を例えばモータなどを用いることなく増加でき、コストを抑制しつつ回転ブラシ21による掃除性能を確保できる。  As described above, according to the above-described embodiment, the lower end of the front cover 18 contacts the obstacle O and rotates backward by pressing the front side of the case body 11 of the floor brush 9 against the obstacle O. When this occurs, the rear surface of the front cover 18 abuts against the rotating brush 21 and the lower end portion approaches the floor surface F, the opening 38 narrows, and the obstacle O and the rotary cleaning body chamber 22 form a substantially closed space. As a result, the load on the rotary cleaning body chamber 22 increases and the suction from the rotary cleaning body chamber 22 side decreases, so the amount of intake air from the intake port 79 relatively increases and the rotational force of the air turbine 27a increases. Therefore, the rotational force of the rotating brush 21 can be increased without using a motor or the like corresponding to the increase in the load applied to the rotating brush 21, and the cleaning performance by the rotating brush 21 can be ensured while suppressing the cost.

しかも、床ブラシ９にモータなどを用いなくてよいため、床ブラシ９の重量の増加を防止でき、作業者による床ブラシ９の操作性をも向上できる。  And since it is not necessary to use a motor etc. for the floor brush 9, the increase in the weight of the floor brush 9 can be prevented and the operativity of the floor brush 9 by an operator can also be improved.

また、障害物Ｏに床ブラシ９の前側を押し付けると、前カバー18の下端部が後方に回動することにより、回転ブラシ21のブラシ毛48の先端部が障害物Ｏの際の床面Ｆに近付くので、この障害物Ｏの際の床面Ｆ上の塵埃を回転ブラシ21のブラシ毛48により確実に掻き上げ、吸込口24へと吸い込みできる。  Further, when the front side of the floor brush 9 is pressed against the obstacle O, the lower end portion of the front cover 18 rotates rearward, so that the tip of the brush hair 48 of the rotating brush 21 is the floor surface F when the obstacle O is present. Therefore, the dust on the floor surface F at the time of the obstacle O can be reliably scraped up by the bristles 48 of the rotary brush 21 and sucked into the suction port 24.

さらに、上記一実施の形態では、吸込口24に連通する吸込室25の側方に駆動部27の伝達部27bを収容した駆動室28の下部に、吸込口24に連通して下部が開放された吸込溝54を設ける構成とした。  Furthermore, in the above-described embodiment, the lower part of the drive chamber 28 that accommodates the transmission part 27b of the drive part 27 is opened to the side of the suction chamber 25 that communicates with the suction port 24, and the lower part is opened to the suction port 24. The suction groove 54 is provided.

ここで、このような床ブラシ９では、回転清掃体室22と吸込室25とが、回転ブラシ21が掻き上げた塵埃の床面Ｆへの再付着を防止するために隣接して設けられ、また、駆動室28と回転清掃体室22とが、ケース体11のコンパクト化を図るために隣接して設けられていることから、吸込室25と駆動室28とがケース体11の幅方向に並び、一方で、駆動室28には、駆動部27を保護するために塵埃を吸い込まないように吸込口24を設けないことが好ましいので、吸込口24がケース体11の幅方向に偏倚せざるを得ず、ケース体11の吸込口24と反対側に位置する床面Ｆ上の塵埃を吸い込むことが容易でなかったため、上記のように吸込溝54を設けることで、吸込口24が位置していない駆動室28の下方側の負圧が低くなることを防止して負圧の分布のばらつきを防止し、駆動室28の下方を吸込溝54により有効に利用して、吸込口24に至る風路幅をケース体11の下部に確保して、回転ブラシ21が床面Ｆから掻き上げた塵埃を、吸込溝54を介して吸込口24へと確実に吸い込むことができ、吸塵効率を向上できる。  Here, in such a floor brush 9, the rotary cleaning body chamber 22 and the suction chamber 25 are provided adjacent to each other in order to prevent re-deposition of the dust scraped up by the rotary brush 21 to the floor surface F, Further, since the drive chamber 28 and the rotary cleaning body chamber 22 are provided adjacent to each other in order to make the case body 11 compact, the suction chamber 25 and the drive chamber 28 are arranged in the width direction of the case body 11. On the other hand, since it is preferable not to provide the suction port 24 in the drive chamber 28 so as to prevent dust from being sucked in order to protect the drive unit 27, the suction port 24 does not deviate in the width direction of the case body 11. Since the dust on the floor F located on the opposite side of the case body 11 from the suction port 24 was not easily sucked, the suction port 24 is located by providing the suction groove 54 as described above. This prevents the negative pressure on the lower side of the drive chamber 28 from being lowered, thereby preventing variations in the negative pressure distribution and driving. The lower part of the chamber 28 is effectively used by the suction groove 54, the width of the air passage leading to the suction port 24 is secured at the lower part of the case body 11, and the dust that the rotating brush 21 has scraped from the floor F is sucked into the suction groove. Suction can be reliably sucked into the suction port 24 through 54, and dust suction efficiency can be improved.

特に、吸込口24と吸込溝54との幅寸法を合わせた寸法を、回転ブラシ21の軸方向寸法と略等しくすることで、回転ブラシ21が床面Ｆから掻き上げた塵埃を、回転ブラシ21全体の後方から吸込口24へと確実に吸い込みできる。  In particular, by making the combined dimension of the suction port 24 and the suction groove 54 substantially the same as the axial dimension of the rotary brush 21, the dust brushed up from the floor F by the rotary brush 21 is removed. It is possible to reliably suck into the suction port 24 from the rear.

そして、吸込口24の吸込溝54と反対側の側部に、吸込口24とケース体11の側方とを連通する吸気溝55を設けることにより、ケース体11の側方の床面Ｆ上の塵埃をも吸気溝55を介して吸込口24へと吸い込みでき、吸塵効率をより向上できる。  Then, by providing an intake groove 55 that communicates the suction port 24 and the side of the case body 11 on the side opposite to the suction groove 54 of the suction port 24, the floor surface F on the side of the case body 11 is provided. Can be sucked into the suction port 24 through the intake groove 55, and the dust suction efficiency can be further improved.

また、回転清掃体室22の両側方に、ケース体11の両側方に連通する連通溝52，72をそれぞれ設けることにより、ケース体11の両側方の床面Ｆ上の塵埃をも連通溝52，72を介して吸い込みでき、吸塵効率をより向上できる。  Further, by providing communication grooves 52 and 72 communicating with both sides of the case body 11 on both sides of the rotary cleaning body chamber 22, dust on the floor surface F on both sides of the case body 11 can also be communicated with the communication grooves 52. , 72 can be sucked in, and dust collection efficiency can be further improved.

しかも、これら吸気溝55および連通溝52，72からケース体11の側方の空気を吸い込みできるので、床ブラシ９が絨毯などの床面Ｆに必要以上に吸い付くことを確実に防止できる。  In addition, since air on the side of the case body 11 can be sucked from the intake grooves 55 and the communication grooves 52 and 72, the floor brush 9 can be reliably prevented from sucking more than necessary to the floor surface F such as a carpet.

さらに、回転清掃体室22の後部と吸込口24および吸込溝54とを連通し下部が開放された連通路62を設けることにより、吸込口24からの吸い込みによりケース体11の前側の床面Ｆ上の塵埃をも吸い込みできる。  Further, by providing a communication passage 62 that communicates the rear portion of the rotary cleaning body chamber 22 with the suction port 24 and the suction groove 54 and opens the lower portion, the floor F on the front side of the case body 11 by suction from the suction port 24 is provided. You can also inhale the dust above.

そして、吸気口79をケース体11の上側かつ後側に設けることにより、床ブラシ９を障害物Ｏなどに接触させても吸気口79が閉塞されず、確実に吸気できる。  Further, by providing the intake port 79 on the upper side and the rear side of the case body 11, even if the floor brush 9 is brought into contact with the obstacle O or the like, the intake port 79 is not blocked, and the intake can be reliably performed.

また、床ブラシ９を床面Ｆに接地させた状態では閉塞され、床ブラシ９を床面Ｆから離間すると開放される後部吸込口65をケース体11の下面に設けることにより、床ブラシ９を床面Ｆに接地させる際にはケース体11の下側では吸込口24からのみ空気が吸い込まれるので、吸気口79からの吸気風量が相対的に増加して、エアタービン27aすなわち回転ブラシ21を確実に回転させることができるとともに、床ブラシ９を床面Ｆから離間させる際には、ケース体11の下側で吸込口24と後部吸込口65とから空気が吸い込まれるので、吸気口79からの吸気風量が相対的に減少してエアタービン27aすなわち回転ブラシ21の回転を確実に防止できる。  Further, the floor brush 9 is closed when the floor brush 9 is grounded to the floor surface F, and the floor brush 9 is opened by providing a rear suction port 65 on the lower surface of the case body 11 that is opened when the floor brush 9 is separated from the floor surface F. When grounding to the floor F, air is sucked only from the suction port 24 below the case body 11, so that the amount of intake air from the suction port 79 is relatively increased, and the air turbine 27a, that is, the rotating brush 21 is While being able to rotate reliably, when separating the floor brush 9 from the floor surface F, since air is sucked in from the suction port 24 and the rear suction port 65 on the lower side of the case body 11, As a result, the amount of intake air is relatively reduced, and the rotation of the air turbine 27a, that is, the rotating brush 21, can be reliably prevented.

さらに、前カバー18が前方に回動した状態では、開口部38の開口量が増加し、かつ、トーションばねの付勢力により突設部122の回動軸123よりも前側の上面が上ケース16に押圧されるとともに突設部122の後端部が切欠嵌合凹部127に嵌合して下方に押圧されることで回転清掃体室22の上側の気密性が確保されるので、吸込口24からの吸い込みによるケース体11の前側からの吸込量を確保できる。  Further, in the state where the front cover 18 is rotated forward, the opening amount of the opening portion 38 is increased, and the upper surface on the front side of the rotation shaft 123 of the projecting portion 122 is the upper case 16 by the urging force of the torsion spring. And the rear end portion of the projecting portion 122 is fitted into the notch fitting concave portion 127 and pressed downward, so that the airtightness on the upper side of the rotary cleaning body chamber 22 is secured. The amount of suction from the front side of the case body 11 due to suction from the front can be secured.

そして、前カバー18が後方に回動する際には、前カバー18の傾斜面部129が延出部36の前端部に摺接して回転清掃体室22の上側の気密性を確保することで、より確実に略閉空間を形成できる。  And, when the front cover 18 rotates rearward, the inclined surface portion 129 of the front cover 18 is in sliding contact with the front end portion of the extending portion 36 to ensure airtightness on the upper side of the rotary cleaning body chamber 22, A substantially closed space can be formed more reliably.

また、エアタービン27aをケース体11の幅方向の略中央に位置させることにより、限られたケース体11の大きさの中でエアタービン27aの大きさを確保でき、回転ブラシ21の回転力を確保できる。  In addition, by positioning the air turbine 27a substantially at the center in the width direction of the case body 11, the size of the air turbine 27a can be secured within the limited size of the case body 11, and the rotational force of the rotating brush 21 can be increased. It can be secured.

なお、上記一実施の形態において、吸気口79は、吸込口24よりも上側かつケース体11の前側以外の位置であれば、任意の位置に設けることができる。  In the above-described embodiment, the intake port 79 can be provided at an arbitrary position as long as it is located above the intake port 24 and other than the front side of the case body 11.

また、電気掃除機としては、キャニスタ型の電気掃除機に限らず、床ブラシ９が掃除機本体１の下面に直接形成されたアップライト型、あるいは、ハンディ型などであっても対応させて用いることができる。  Further, the vacuum cleaner is not limited to the canister type vacuum cleaner, and the floor brush 9 is used in correspondence with an upright type or a handy type in which the floor brush 9 is directly formed on the lower surface of the vacuum cleaner body 1. be able to.

本発明は、例えば吸気口からの吸気風により回転可能なファンを有する駆動部を備えた電気掃除機の吸込口体およびこれを備えた電気掃除機などに利用される。  INDUSTRIAL APPLICABILITY The present invention is used for, for example, a suction port body of a vacuum cleaner provided with a drive unit having a fan that can be rotated by intake air from an intake port, and a vacuum cleaner including the same.

Claims (3)

被掃除面に対向する吸込口と、この吸込口よりも上側に位置した吸気口と、この吸気口からの吸気風により回転可能なファンを有する駆動部と、この駆動部により駆動される回転清掃体とを備えたケース体を具備し、
前記ケース体は、
被掃除面と対向する下部に開口部を有するとともに、この開口部に前記回転清掃体を有する回転清掃体室と、
前記吸込口に連通する吸込室と、
前記駆動部を収容した駆動室と、
前記回転清掃体室と前記吸込室とを下端部で連通する連通路と、
前記回転清掃体室の前面よりも前方に突出して前記開口部の前部を覆い、下端部が後方へと移動可能な前カバーとを備え、
前記前カバーは、下端部の移動時に前記回転清掃体に当接するとともに被掃除面に接近する
ことを特徴とした電気掃除機の吸込口体。A suction port facing the surface to be cleaned, an intake port located above the suction port, a drive unit having a fan that can be rotated by the intake air from the intake port, and rotational cleaning driven by the drive unit A case body with a body,
The case body is
A rotary cleaning body chamber having an opening in the lower part facing the surface to be cleaned and having the rotary cleaning body in the opening;
A suction chamber communicating with the suction port;
A drive chamber containing the drive unit;
A communication path communicating the rotary cleaning body chamber and the suction chamber at the lower end,
A front cover that protrudes forward from the front surface of the rotary cleaning body chamber to cover the front portion of the opening, and the lower end portion is movable rearward;
The front cover is in contact with the rotary cleaning body when the lower end portion is moved and approaches the surface to be cleaned. 被掃除面に対向する吸込口と、この吸込口よりも上側に位置した吸気口と、この吸気口からの吸気風により回転可能なファンを有する駆動部と、この駆動部により駆動される回転清掃体とを備えたケース体を具備し、
前記ケース体は、
被掃除面と対向する下部に開口部を有するとともに、この開口部に前記回転清掃体を有する回転清掃体室と、
前記吸込口に連通する吸込室と、
前記駆動部を収容した駆動室と、
前記回転清掃体室と前記吸込室とを下端部で連通する連通路と、
前記回転清掃体室の前面よりも前方に突出して前記開口部の前部を覆い、下端部が後方へと移動可能な前カバーとを備え、
前記前カバーは、被当接物への当接時に下端部が後方に移動して前記回転清掃体に当接するとともに前記被当接部と前記回転清掃体室とで略閉空間を形成する
ことを特徴とした電気掃除機の吸込口体。A suction port facing the surface to be cleaned, an intake port located above the suction port, a drive unit having a fan that can be rotated by the intake air from the intake port, and rotational cleaning driven by the drive unit A case body with a body,
The case body is
A rotary cleaning body chamber having an opening in the lower part facing the surface to be cleaned and having the rotary cleaning body in the opening;
A suction chamber communicating with the suction port;
A drive chamber containing the drive unit;
A communication path communicating the rotary cleaning body chamber and the suction chamber at the lower end,
A front cover that protrudes forward from the front surface of the rotary cleaning body chamber to cover the front portion of the opening, and the lower end portion is movable rearward;
The front cover has a lower end moved rearward when contacting the object to be contacted to contact the rotary cleaning body and form a substantially closed space between the contacted part and the rotary cleaning body chamber. The suction mouth of the vacuum cleaner characterized by 電動送風機を収容した掃除機本体と、
前記電動送風機の吸込側に連通接続される請求項１または２記載の吸込口体と
を具備したことを特徴とした電気掃除機。A vacuum cleaner body containing an electric blower,
A vacuum cleaner comprising: the suction port body according to claim 1, which is connected to the suction side of the electric blower.
JP2007500562A 2005-01-31 2006-01-26 Vacuum cleaner and its suction port Expired - Fee Related JP4468440B2 (en)

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GB2470917A (en) 2009-06-09 2010-12-15 Dyson Technology Ltd Agitating means for cleaning head
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JP5388782B2 (en) * 2009-09-30 2014-01-15 株式会社東芝 Suction port and vacuum cleaner
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JP6357645B2 (en) * 2014-06-11 2018-07-18 パナソニックＩｐマネジメント株式会社 Vacuum cleaner suction tool and vacuum cleaner using the same
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CN104384155A (en) * 2014-12-17 2015-03-04 苏州费米光电有限公司 Special dust removal device for solar warning street lamp
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