JP2021094277A - Suction port body and vacuum cleaner - Google Patents

Suction port body and vacuum cleaner Download PDF

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Publication number
JP2021094277A
JP2021094277A JP2019228575A JP2019228575A JP2021094277A JP 2021094277 A JP2021094277 A JP 2021094277A JP 2019228575 A JP2019228575 A JP 2019228575A JP 2019228575 A JP2019228575 A JP 2019228575A JP 2021094277 A JP2021094277 A JP 2021094277A
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Prior art keywords
suction port
main body
suction
vacuum cleaner
port main
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JP2019228575A
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JP7344110B2 (en
Inventor
信秀 興津
Nobuhide Okitsu
信秀 興津
拳斗 大島
Kento Oshima
拳斗 大島
市川　洋光
Hiromitsu Ichikawa
洋光 市川
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Toshiba Lifestyle Products and Services Corp
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Toshiba Lifestyle Products and Services Corp
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Priority to JP2019228575A priority Critical patent/JP7344110B2/en
Priority to CN202010823069.XA priority patent/CN112971590B/en
Publication of JP2021094277A publication Critical patent/JP2021094277A/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • 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
    • 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
    • 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2857—User input or output elements for control, e.g. buttons, switches or displays
    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2868—Arrangements for power supply of vacuum cleaners or the accessories thereof
    • A47L9/2884—Details of arrangements of batteries or their installation
    • 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
    • A47L9/32—Handles

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

Abstract

To propose a suction port body having less influence on lateral balance and having a high degree of freedom in design, and also to propose a vacuum cleaner including the suction port body.SOLUTION: A suction port body 16 includes: a detection part 82 which detects grounding of a suction port main body 31 on a cleaned surface f; an operation piece 83 which stops rotation of a rotary cleaning body 28 when the suction port main body 31 is grounded on the cleaned surface f; a block part 85 which prevents an operation of the rotary cleaning body 28 when the suction port main body 31 is vertically reversed; and a shaft part 86 which integrates rotation of the detection section 82 arranged at one end and the operation piece 83, the block part 85 arranged at the other end, is arranged between a connection pipe part 32 and a bottom plate 31b of the suction port main body 31, and is extended in a direction to cross with the connection pipe part 32.SELECTED DRAWING: Figure 8

Description

本発明に係る実施形態は、吸込口体および電気掃除機に関する。 Embodiments of the present invention relate to suction ports and vacuum cleaners.

吸込口を有する吸込具本体と、吸込口に配置される回転ブラシと、回転ブラシを回転駆動させるモーターと、吸込具本体の上下反転時にモーターを停止させる安全スイッチと、を備える吸込口体が知られている。 The suction port body is known to have a suction port body having a suction port, a rotary brush arranged at the suction port, a motor for rotating the rotary brush, and a safety switch for stopping the motor when the suction tool body is turned upside down. Has been done.

安全スイッチは、モーターをオンオフ制御するスイッチと、被掃除面への接地状態に応じてスイッチを操作する操作片と、吸込具本体の底面から揺動自在に突出して被掃除面への設置状態を検出する検出部としてのブラケットおよび回転ローラーと、吸込具本体の反転時に検出部によるスイッチの押圧を阻止するストッパー片と、を備えている。 The safety switch is a switch that controls the on / off of the motor, an operation piece that operates the switch according to the ground contact state on the surface to be cleaned, and the installation state on the surface to be cleaned that protrudes swingably from the bottom of the suction tool body. It includes a bracket and a rotating roller as a detection unit for detection, and a stopper piece that prevents the detection unit from pressing the switch when the suction tool main body is reversed.

特開平０８−３３２１６５号公報Japanese Unexamined Patent Publication No. 08-332165

従来の吸込口体は、接続管の左側方または右側方に配置される安全スイッチを備えている。このような安全スイッチの配置は、接続管を中心とする吸込口体の左右のアンバランスを助長する。吸込口体の左右のアンバランスは、吸込口体の使い勝手を損なわせる。 The conventional suction port body is provided with a safety switch located on the left side or the right side of the connecting pipe. Such an arrangement of the safety switch promotes the left-right imbalance of the suction port body centering on the connecting pipe. The left-right imbalance of the suction port body impairs the usability of the suction port body.

そのため、従来の吸込口体では、吸込口体に収容される部品、例えばモーター、制御基板、安全スイッチの配置を工夫することによって、左右のアンバランスが解消されていた。しかし、このようなアンバランスの解消策は、それぞれの部品の配置を制約し、吸込口体の設計の自由度を損なわせる。 Therefore, in the conventional suction port body, the left-right imbalance has been eliminated by devising the arrangement of the parts housed in the suction port body, for example, the motor, the control board, and the safety switch. However, such a measure to eliminate the imbalance restricts the arrangement of each component and impairs the degree of freedom in designing the suction port.

また、吸込口体を左右に分ける中心線上に安全スイッチを配置することで、左右のアンバランスを容易に解消することもできる。しかしながら、吸込口体の中心線上には、吸込口や接続管など、吸込口体内の風路を構成する要素が容積を大きく占有する。そのため、安全スイッチを吸込口体の中心線上に配置することは、吸込口体の高さ寸法を増大させてベッド下のような隙間における使い勝手を低下させる。また、安全スイッチを吸込口体の中心線上に配置することと、吸込口体の高さ寸法の増大の回避とを両立しようとすれば、吸込口体内の風路断面積が減少したり、風路形状が歪になって圧力損失が増大したりする。 Further, by arranging the safety switch on the center line that divides the suction port body into the left and right, the imbalance between the left and right can be easily eliminated. However, on the center line of the suction port body, elements constituting the air passage in the suction port such as the suction port and the connecting pipe occupy a large volume. Therefore, arranging the safety switch on the center line of the suction port body increases the height dimension of the suction port body and lowers the usability in a gap such as under the bed. In addition, if the safety switch is placed on the center line of the suction port body and the height dimension of the suction port body is avoided to increase, the cross-sectional area of the air passage in the suction port body may be reduced or the wind may be generated. The road shape becomes distorted and the pressure loss increases.

そこで、本発明は、左右のバランスに対する影響が小さく、かつ、設計自由度の高い吸込口体と、そのような吸込口体を備える電気掃除機を提供することを目的とする。 Therefore, an object of the present invention is to provide a suction port body having a small influence on the left-right balance and a high degree of freedom in design, and a vacuum cleaner provided with such a suction port body.

前記の課題を解決するため本発明の実施形態に係る吸込口体は、吸込口と、前記吸込口に繋がる吸込室と、を有する吸込口本体と、前記吸込口本体に回転可能に支持される回転清掃体と、前記吸込口本体に収容されて前記回転清掃体の駆動力を発生させる電動機と、前記吸込口本体に設けられて前記吸込室に流体的に接続される管と、前記電動機に繋がる給電路を開閉する開閉器と、前記吸込口本体の接地面に対する突出量を変化可能であり、前記吸込口本体が前記吸込口を被掃除面に向けて接地しているか否かを検出する検知部と、前記吸込口本体が前記吸込口を前記被掃除面に向けて接地していることを前記検知部が検知している場合には、前記開閉器を閉じて前記電動機を駆動させる操作片と、前記吸込口本体が反転した場合に、前記操作片が前記開閉器を閉じることを阻止する阻止部と、前記検知部と前記操作片と前記阻止部とを回転一体化させる軸部と、を備え、前記軸部は、前記管と前記吸込口本体の底板との間に配置され、前記吸込口本体の平面視において前記管を跨いで前記管に交差する方向へ延び、前記検知部は、前記軸部の一方の端部に設けられ、前記操作片および前記阻止部は、前記軸部の他方の端部に設けられている。 In order to solve the above problems, the suction port body according to the embodiment of the present invention is rotatably supported by a suction port main body having a suction port, a suction chamber connected to the suction port, and the suction port main body. The rotary cleaning body, the electric motor housed in the suction port main body to generate the driving force of the rotary cleaning body, the pipe provided in the suction port main body and fluidly connected to the suction chamber, and the electric motor. The switch that opens and closes the connected power supply path and the amount of protrusion of the suction port main body with respect to the ground surface can be changed, and it is detected whether or not the suction port main body is in contact with the suction port toward the surface to be cleaned. When the detection unit detects that the detection unit and the suction port main body are in contact with the suction port toward the surface to be cleaned, the operation of closing the switch and driving the electric motor is performed. A piece, a blocking portion that prevents the operating piece from closing the switch when the suction port main body is inverted, and a shaft portion that rotationally integrates the detecting unit, the operating piece, and the blocking portion. The shaft portion is arranged between the pipe and the bottom plate of the suction port main body, extends in a direction that straddles the pipe and intersects the pipe in a plan view of the suction port main body, and the detection unit. Is provided at one end of the shaft, and the operating piece and the blocking are provided at the other end of the shaft.

また、本発明の実施形態に係る電気掃除機は、掃除機本体と、前記掃除機本体に収容されて負圧を発生させる電動送風機と、前記電動送風機に流体的に接続される前記吸込口体と、を備えている。 Further, the vacuum cleaner according to the embodiment of the present invention includes a vacuum cleaner main body, an electric blower housed in the vacuum cleaner main body to generate negative pressure, and a suction port body fluidly connected to the electric blower. And have.

本発明の実施形態に係る電気掃除機の斜視図。The perspective view of the vacuum cleaner which concerns on embodiment of this invention. 本発明の実施形態に係る吸込口体を右前方から示す斜視図。The perspective view which shows the suction port body which concerns on embodiment of this invention from the right front. 本発明の実施形態に係る吸込口体の平面図。The plan view of the suction port body which concerns on embodiment of this invention. 本発明の実施形態に係る吸込口体の平面図。The plan view of the suction port body which concerns on embodiment of this invention. 本発明の実施形態に係る吸込口体の底面図。The bottom view of the suction port body which concerns on embodiment of this invention. 本発明の実施形態に係る吸込口体を下方から見た斜視図。A perspective view of a suction port body according to an embodiment of the present invention as viewed from below. 本発明の実施形態に係る吸込口体の断面図。Sectional drawing of the suction port body which concerns on embodiment of this invention. 本発明の実施形態に係る吸込口体の断面図。Sectional drawing of the suction port body which concerns on embodiment of this invention. 本発明の実施形態に係る吸込口体の安全装置の一体成形部材の斜視図。The perspective view of the integrally molded member of the safety device of the suction port body which concerns on embodiment of this invention. 本発明の実施形態に係る吸込口体の断面図。Sectional drawing of the suction port body which concerns on embodiment of this invention. 本発明の実施形態に係る吸込口体の断面図。Sectional drawing of the suction port body which concerns on embodiment of this invention.

本発明に係る吸込口体および電気掃除機の実施形態について、図１から図１１を参照して説明する。 Embodiments of the suction port body and the vacuum cleaner according to the present invention will be described with reference to FIGS. 1 to 11.

図１は、本発明の実施形態に係る電気掃除機の斜視図である。 FIG. 1 is a perspective view of the vacuum cleaner according to the embodiment of the present invention.

図１に示すように、本実施形態に係る電気掃除機１は、例えばスティック型である、電気掃除機１は、把手１１を有して手持ち操作可能な掃除機本体１２と、掃除機本体１２に着脱可能な二次電池１３（蓄電池、充電式電池、および充電池とも呼ばれる。）と、掃除機本体１２に接続される延長管１５と、延長管１５に接続される吸込口体１６と、を備えている。 As shown in FIG. 1, the vacuum cleaner 1 according to the present embodiment is, for example, a stick type. The vacuum cleaner 1 has a vacuum cleaner main body 12 which has a handle 11 and can be operated by hand, and a vacuum cleaner main body 12 Detachable secondary battery 13 (also called storage battery, rechargeable battery, and rechargeable battery), extension tube 15 connected to the vacuum cleaner body 12, and suction port 16 connected to the extension tube 15. It has.

なお、電気掃除機１は、キャニスター型、アップライト型、またはハンディ型であっても良い。電気掃除機１は、二次電池１３を電源として備えるコードレスタイプであっても良いし、商用交流電源から電源コードを介して電力を得る有線式であっても良い。 The vacuum cleaner 1 may be a canister type, an upright type, or a handy type. The vacuum cleaner 1 may be a cordless type having a secondary battery 13 as a power source, or a wired type that obtains electric power from a commercial AC power source via a power cord.

掃除機本体１２は、把手１１を有する本体ケース１７と、本体ケース１７に収容されて吸込負圧を生じさせる電動送風機１８と、本体ケース１７に着脱自在に設けられる塵埃分離集塵部１９と、主に電動送風機１８を制御する本体制御部２１と、を備えている。 The vacuum cleaner main body 12 includes a main body case 17 having a handle 11, an electric blower 18 housed in the main body case 17 to generate a suction negative pressure, and a dust separation / dust collecting unit 19 detachably provided in the main body case 17. It mainly includes a main body control unit 21 that controls the electric blower 18.

掃除機本体１２は、二次電池１３が蓄える電力によって電動送風機１８を駆動させ、電動送風機１８の駆動によって発生する負圧を延長管１５に作用させる。電気掃除機１は、吸込口体１６および延長管１５を通じて床面から塵埃を含んだ空気（以下、「含塵空気」と呼ぶ。）を吸い込み、含塵空気から塵埃を分離し、分離後の塵埃を捕集し、蓄積するとともに分離後の空気を排気する。 The vacuum cleaner main body 12 drives the electric blower 18 by the electric power stored in the secondary battery 13, and causes the negative pressure generated by the drive of the electric blower 18 to act on the extension pipe 15. The vacuum cleaner 1 sucks dust-containing air (hereinafter, referred to as “dust-containing air”) from the floor surface through the suction port body 16 and the extension pipe 15, separates the dust from the dust-containing air, and after the separation. Dust is collected and accumulated, and the separated air is exhausted.

本体ケース１７は、側面視において延長管１５の延長線上に配置される円筒状の前半部１７ａと、前半部１７ａから屈曲して延長管１５の延長線から徐々に離れる後半部１７ｂと、を備えている。本体ケース１７の前半部１７ａの上方には、塵埃分離集塵部１９が設けられている。本体ケース１７の後半部１７ｂは、吸込口体１６を床上に配置した使用状態（図２）において、後方へ向かって延びている。 The main body case 17 includes a cylindrical front half portion 17a arranged on the extension line of the extension pipe 15 in a side view, and a rear portion 17b that bends from the front half portion 17a and gradually separates from the extension line of the extension pipe 15. ing. A dust separation / dust collection unit 19 is provided above the front half portion 17a of the main body case 17. The latter half 17b of the main body case 17 extends rearward in the used state (FIG. 2) in which the suction port body 16 is arranged on the floor.

本体ケース１７の正面部分には、本体接続口２３が設けられている。 A main body connection port 23 is provided on the front portion of the main body case 17.

本体接続口２３は、延長管１５を着脱可能な継手である。本体接続口２３は、本体ケース１７の円筒状の前半部１７ａから正面へ向かって突出している。本体接続口２３は、掃除機本体１２の流体的な入口であり、延長管１５と塵埃分離集塵部１９とを流体的に接続する。掃除機本体１２から延長管１５を取り外すことによって、本体接続口２３は、掃除機本体１２を単体で使用する際の吸込口としても機能する。 The main body connection port 23 is a joint to which the extension pipe 15 can be attached and detached. The main body connection port 23 projects toward the front from the cylindrical front half portion 17a of the main body case 17. The main body connection port 23 is a fluid inlet of the vacuum cleaner main body 12, and fluidly connects the extension pipe 15 and the dust separation / dust collection unit 19. By removing the extension pipe 15 from the vacuum cleaner main body 12, the main body connection port 23 also functions as a suction port when the vacuum cleaner main body 12 is used alone.

把手１１は本体ケース１７に一体に設けられている。把手１１は、電気掃除機１で床面を掃除するために、使用者が手で把持する部分である。把手１１は、塵埃分離集塵部１９の後端部の近傍から本体ケース１７の後端部へアーチ状に架かっている。また、把手１１は、延長管１５中心線の延長線上に交差して配置されている。 The handle 11 is integrally provided with the main body case 17. The handle 11 is a portion that the user grips by hand in order to clean the floor surface with the vacuum cleaner 1. The handle 11 is arched from the vicinity of the rear end portion of the dust separation / dust collecting portion 19 to the rear end portion of the main body case 17. Further, the handles 11 are arranged so as to intersect with each other on the extension line of the extension pipe 15 center line.

把手１１の近傍には、把手１１を握った使用者が、その手指を動かせる範囲に配置される入力部２６が設けられている。 In the vicinity of the handle 11, an input unit 26 is provided so as to be arranged within a range in which the user holding the handle 11 can move his / her fingers.

入力部２６は、電動送風機１８の運転開始操作を受け付ける運転開始スイッチ２６ａと、電動送風機１８の運転停止操作を受け付ける運転停止スイッチ２６ｂと、吸込口体１６への電力供給の開始操作および停止操作を受け付けるブラシスイッチ２６ｃと、を備えている。運転開始スイッチ２６ａおよび運転停止スイッチ２６ｂは、本体制御部２１に電気的に接続されている。電気掃除機１の使用者は、入力部２６を操作して電動送風機１８の運転モードを択一的に選択できる。運転開始スイッチ２６ａは、電動送風機１８の運転中に、運転モードの切替スイッチとしても機能している。この場合、本体制御部２１は、運転開始スイッチ２６ａから操作信号を受け取る度に運転モードを強→中→弱→強→中→弱→………の順に切り換える。なお、入力部２６は、運転開始スイッチ２６ａに代えて、強運転スイッチ（図示省略）、中運転スイッチ（図示省略）、および弱運転スイッチ（図示省略）を個別に備えていても良い。 The input unit 26 performs an operation start switch 26a that accepts the operation start operation of the electric blower 18, an operation stop switch 26b that accepts the operation stop operation of the electric blower 18, and a start operation and a stop operation of power supply to the suction port body 16. It is equipped with a brush switch 26c for receiving. The operation start switch 26a and the operation stop switch 26b are electrically connected to the main body control unit 21. The user of the vacuum cleaner 1 can selectively select the operation mode of the electric blower 18 by operating the input unit 26. The operation start switch 26a also functions as an operation mode changeover switch during the operation of the electric blower 18. In this case, the main body control unit 21 switches the operation mode in the order of strong → medium → weak → strong → medium → weak → ... each time the operation signal is received from the operation start switch 26a. The input unit 26 may individually include a strong operation switch (not shown), a medium operation switch (not shown), and a weak operation switch (not shown) instead of the operation start switch 26a.

塵埃分離集塵部１９は、掃除機本体１２の上面側に配置され、かつ掃除機本体１２に着脱できる。塵埃分離集塵部１９は、掃除機本体１２に流れ込む含塵空気から塵埃を分離し、捕集し、蓄積する一方で、塵埃が除去された清浄な空気を電動送風機１８へ送る。塵埃分離集塵部１９は、電気掃除機１が吸い込む、塵埃と空気との質量の差異を利用して塵埃と空気とを遠心分離する遠心分離方式であっても良いし、含塵空気から塵埃を濾し取るフィルターを有する濾過分離方式であっても良い。 The dust separation / dust collecting unit 19 is arranged on the upper surface side of the vacuum cleaner main body 12 and can be attached to and detached from the vacuum cleaner main body 12. The dust separation / dust collection unit 19 separates dust from the dust-containing air flowing into the vacuum cleaner main body 12, collects and accumulates the dust, and sends clean air from which the dust has been removed to the electric blower 18. The dust separation / dust collection unit 19 may be a centrifugal separation method in which the dust and air are centrifugally separated by utilizing the difference in mass between the dust and air sucked by the vacuum cleaner 1, or the dust-containing air may be separated into dust. It may be a filtration separation method having a filter for filtering out.

電動送風機１８は、塵埃分離集塵部１９から空気を吸い込んで負圧（吸込負圧）を発生させる。 The electric blower 18 sucks air from the dust separation / dust collecting unit 19 to generate a negative pressure (suction negative pressure).

本体制御部２１は、マイクロプロセッサ、およびマイクロプロセッサが実行する各種演算プログラム、パラメータなどを記憶する記憶装置を備えている。記憶装置は、予め設定される複数の運転モードに関連する種々の設定（引数）を記憶している。複数の運転モードは電動送風機１８の出力に関連付けられている。それぞれの運転モードには、相互に異なる入力値（電動送風機１８の入力値、電動送風機１８に流れる電流目標値）が設定されている。それぞれの運転モードは、入力部２６が受け付ける操作入力に関連付けられている。本体制御部２１は、入力部２６への操作入力に対応する任意の運転モードを、予め設定される複数の運転モードから択一的に選択し、選択した運転モードの設定を記憶部から読み出し、読み出した運転モードの設定にしたがって電動送風機１８を運転する。 The main body control unit 21 includes a microprocessor and a storage device that stores various arithmetic programs, parameters, and the like executed by the microprocessor. The storage device stores various settings (arguments) related to a plurality of preset operation modes. The plurality of operating modes are associated with the output of the electric blower 18. Different input values (input value of the electric blower 18 and current target value flowing through the electric blower 18) are set in each operation mode. Each operation mode is associated with an operation input received by the input unit 26. The main body control unit 21 selectively selects an arbitrary operation mode corresponding to the operation input to the input unit 26 from a plurality of preset operation modes, and reads the selected operation mode setting from the storage unit. The electric blower 18 is operated according to the read operation mode setting.

二次電池１３は、電動送風機１８や本体制御部２１で消費される電力を蓄える。二次電池１３は、本体ケース１７に固定されていても良いし、本体ケース１７に着脱可能であっても良い。換言すると、電気掃除機１は、複数の二次電池１３を適宜に交換して利用できるものであっても良いし、そうでなくても良い。電気掃除機１に着脱可能に装着されている二次電池１３の充電率が低下した場合には、この二次電池１３を、充電済みの二次電池１３に交換することによって、電気掃除機１は、運転を継続できる。 The secondary battery 13 stores the electric power consumed by the electric blower 18 and the main body control unit 21. The secondary battery 13 may be fixed to the main body case 17 or may be detachable from the main body case 17. In other words, the vacuum cleaner 1 may or may not be used by appropriately exchanging a plurality of secondary batteries 13. When the charge rate of the secondary battery 13 detachably attached to the vacuum cleaner 1 decreases, the secondary battery 13 is replaced with a charged secondary battery 13 to replace the secondary battery 13 with the charged secondary battery 13. Can continue to operate.

延長管１５および吸込口体１６は、電動送風機１８から作用する負圧によって、床面上の塵埃を空気とともに吸い込んで掃除機本体１２へ案内する。 The extension pipe 15 and the suction port 16 suck dust on the floor surface together with air by the negative pressure acting from the electric blower 18 and guide the dust to the vacuum cleaner main body 12.

延長管１５は、本体ケース１７の本体接続口２３および塵埃分離集塵部１９を介して電動送風機１８の吸込側に流体的に接続されている。延長管１５は、使用者が掃除機本体１２の把手１１を把持した状態で実質的に床面に届く長さを有する。延長管１５の一方の端部には、掃除機本体１２の本体接続口２３に着脱自在な継手構造が設けられている。延長管１５の他方の端部には、掃除機本体１２の吸込口体１６を着脱自在な継手構造が設けられている。延長管１５は、伸縮可能であっても良いし、そうでなくても良い。 The extension pipe 15 is fluidly connected to the suction side of the electric blower 18 via the main body connection port 23 of the main body case 17 and the dust separation / dust collection unit 19. The extension pipe 15 has a length that substantially reaches the floor surface in a state where the user holds the handle 11 of the vacuum cleaner main body 12. At one end of the extension pipe 15, a joint structure that can be attached to and detached from the main body connection port 23 of the vacuum cleaner main body 12 is provided. At the other end of the extension pipe 15, a joint structure is provided so that the suction port body 16 of the vacuum cleaner main body 12 can be attached and detached. The extension tube 15 may or may not be stretchable.

吸込口体１６は、木床やカーペットなどの床面上を走行自在または滑走自在であり、走行状態または滑走状態において床面に対向する底面に吸込口２７を有する。また、吸込口体１６は、吸込口２７に配置される回転自在な回転清掃体２８と、回転清掃体２８を駆動させる駆動源としての電動機２９と、を備えている。吸込口体１６の一方の端部には、延長管１５の他方の端部に着脱自在な継手構造が設けられている。吸込口体１６は、延長管１５を介して電動送風機１８の吸込側に流体的に接続されている。吸込口体１６、延長管１５、および塵埃分離集塵部１９は、電動送風機１８から吸込口２７へ至る吸込風路である。 The suction port body 16 is movable or slidable on a floor surface such as a wooden floor or a carpet, and has a suction port 27 on a bottom surface facing the floor surface in a running state or a sliding state. Further, the suction port body 16 includes a rotatable rotary cleaning body 28 arranged at the suction port 27 and an electric motor 29 as a drive source for driving the rotary cleaning body 28. One end of the suction port body 16 is provided with a detachable joint structure at the other end of the extension pipe 15. The suction port body 16 is fluidly connected to the suction side of the electric blower 18 via an extension pipe 15. The suction port body 16, the extension pipe 15, and the dust separation / dust collecting unit 19 are suction air passages from the electric blower 18 to the suction port 27.

電気掃除機１は、運転開始スイッチ２６ａが操作されると電動送風機１８を始動させる。例えば、電気掃除機１は、電動送風機１８が停止している状態で運転開始スイッチ２６ａが操作されると、先ず電動送風機１８を強運転モードで始動させ、再び運転開始スイッチ２６ａが操作されると電動送風機１８の運転モードを中運転モードに変更し、三度、運転開始スイッチ２６ａが操作されると電動送風機１８の運転モードを弱運転モードに変更し、以下同様に繰り返す。強運転モード、中運転モード、および弱運転モードは、予め設定される複数の運転モードである。電動送風機１８に対する入力値は、強運転モードが最も大きく、弱運転モードが最も小さい。始動した電動送風機１８は、塵埃分離集塵部１９から空気を吸込み、塵埃分離集塵部１９内を負圧にする。 The vacuum cleaner 1 starts the electric blower 18 when the operation start switch 26a is operated. For example, in the vacuum cleaner 1, when the operation start switch 26a is operated while the electric blower 18 is stopped, the electric blower 18 is first started in the strong operation mode, and then the operation start switch 26a is operated again. The operation mode of the electric blower 18 is changed to the medium operation mode, and when the operation start switch 26a is operated three times, the operation mode of the electric blower 18 is changed to the weak operation mode, and so on. The strong operation mode, the medium operation mode, and the weak operation mode are a plurality of preset operation modes. The input value for the electric blower 18 is the largest in the strong operation mode and the smallest in the weak operation mode. The started electric blower 18 sucks air from the dust separation / dust collection unit 19 and makes the inside of the dust separation / dust collection unit 19 a negative pressure.

塵埃分離集塵部１９内の負圧は、本体接続口２３、延長管１５、および吸込口体１６を順次に通じて吸込口２７に作用する。電気掃除機１は、吸込口２７に作用した負圧によって、被掃除面上の塵埃を空気とともに吸い込んで被掃除面を掃除する。塵埃分離集塵部１９は、電気掃除機１に吸い込まれた含塵空気から塵埃を分離し、蓄積する一方で、含塵空気から分離した空気を電動送風機１８へ送る。電動送風機１８は、塵埃分離集塵部１９から吸い込んだ空気を掃除機本体１２外へ排気する。 The negative pressure in the dust separation / dust collecting unit 19 sequentially passes through the main body connection port 23, the extension pipe 15, and the suction port body 16 and acts on the suction port 27. The vacuum cleaner 1 cleans the surface to be cleaned by sucking dust on the surface to be cleaned together with air by the negative pressure acting on the suction port 27. The dust separation / dust collection unit 19 separates and accumulates dust from the dust-containing air sucked into the vacuum cleaner 1, while sending the air separated from the dust-containing air to the electric blower 18. The electric blower 18 exhausts the air sucked from the dust separation / dust collection unit 19 to the outside of the vacuum cleaner main body 12.

次いで、吸込口体１６について詳細に説明する。 Next, the suction port body 16 will be described in detail.

図２は、本発明の実施形態に係る吸込口体を右前方から示す斜視図である。 FIG. 2 is a perspective view showing the suction port body according to the embodiment of the present invention from the front right.

図２に示すように、本実施形態に係る吸込口体１６は、略直方体形の吸込口本体部３１と、吸込口本体部３１の後部に設けられる接続管部３２と、を備える。 As shown in FIG. 2, the suction port body 16 according to the present embodiment includes a suction port main body portion 31 having a substantially rectangular parallelepiped shape, and a connecting pipe portion 32 provided at the rear portion of the suction port main body portion 31.

なお、吸込口体１６の前後、左右、上下は、電気掃除機１の使用者を基準に説明する。図２中の実線矢印Ｘの方向は、吸込口体１６の前方または前進方向であり、その反対方向は後方または後退方向である。また、図２中の実線矢印Ｙの方向は、吸込口体１６の左方であり、その反対方向は右方である。さらに、図２中の実線矢印Ｚの方向は、吸込口体１６の上方であり、その反対方向は下方である。 The front / rear, left / right, and top / bottom of the suction port body 16 will be described with reference to the user of the vacuum cleaner 1. The direction of the solid line arrow X in FIG. 2 is the forward or forward direction of the suction port body 16, and the opposite direction is the backward or backward direction. The direction of the solid arrow Y in FIG. 2 is to the left of the suction port body 16, and the opposite direction is to the right. Further, the direction of the solid line arrow Z in FIG. 2 is above the suction port body 16, and the opposite direction is downward.

平面視における吸込口本体部３１の形状は、前後方向に短辺を有し、左右方向に長辺を有する長方形状である。つまり、吸込口本体部３１の左右方向の寸法、つまり幅寸法は、吸込口本体部３１の前後方向の寸法、つまり奥行き寸法より大きい。吸込口本体部３１は、下ケース３５と、下ケース３５に覆い被さる上ケース３６と、を備えている。 The shape of the suction port main body 31 in a plan view is a rectangle having a short side in the front-rear direction and a long side in the left-right direction. That is, the dimension in the left-right direction of the suction port main body 31, that is, the width dimension is larger than the dimension in the front-rear direction of the suction port main body 31, that is, the depth dimension. The suction port main body 31 includes a lower case 35 and an upper case 36 that covers the lower case 35.

接続管部３２は、吸込口本体部３１の後部、かつ幅方向略中央部に設けられる。接続管部３２は、吸込口本体部３１に対して回転可能な回転接続管部３８と、回転接続管部３８に対して揺動可能な揺動接続管部３９と、を備えている。 The connection pipe portion 32 is provided at the rear portion of the suction port main body portion 31 and at a substantially central portion in the width direction. The connection pipe portion 32 includes a rotary connection pipe portion 38 that can rotate with respect to the suction port main body portion 31, and a swing connection pipe portion 39 that can swing with respect to the rotary connection pipe portion 38.

回転接続管部３８は、吸込口体１６の前後方向に延びる中心線（Ｘ軸に一致する線分またはＸ軸に平行な線分）まわりに回転する。この中心線は、吸込口本体部３１を左右に二分する。 The rotary connection pipe portion 38 rotates around a center line (a line segment corresponding to the X-axis or a line segment parallel to the X-axis) extending in the front-rear direction of the suction port body 16. This center line divides the suction port main body 31 into left and right.

揺動接続管部３９は、回転接続管部３８の回転中心線に直交する線分またはこの線分に平行な線分まわりに揺動する。揺動接続管部３９の自由端部は、延長管１５の自由端部に着脱可能な継手である。 The swing connection pipe portion 39 swings around a line segment orthogonal to the rotation center line of the rotation connection pipe portion 38 or a line segment parallel to this line segment. The free end of the swing connection pipe 39 is a joint that can be attached to and detached from the free end of the extension pipe 15.

図３および図４は、本発明の実施形態に係る吸込口体の平面図である。 3 and 4 are plan views of the suction port body according to the embodiment of the present invention.

図５は、本発明の実施形態に係る吸込口体の底面図である。 FIG. 5 is a bottom view of the suction port body according to the embodiment of the present invention.

図６は、本発明の実施形態に係る吸込口体を下方から見た斜視図である。 FIG. 6 is a perspective view of the suction port body according to the embodiment of the present invention as viewed from below.

図７は、図３のＶＩＩ−ＶＩＩ線における、本発明の実施形態に係る吸込口体の縦断面図である。 FIG. 7 is a vertical cross-sectional view of the suction port body according to the embodiment of the present invention in the line VII-VII of FIG.

なお、図４では、上ケース３６が取り外されている。 In FIG. 4, the upper case 36 is removed.

図３から図７に示すように、本実施形態に係る吸込口体１６は、吸込口本体部３１と、吸込口本体部３１に回転可能に支持される回転清掃体２８と、吸込口本体部３１に収容されて回転清掃体２８の回転駆動力を発生させる駆動源としての電動機２９と、電動機２９から回転清掃体２８へ駆動力を伝達する動力伝達機構４１と、電動機２９の運転を制御する吸込口体制御部４２と、を備えている。 As shown in FIGS. 3 to 7, the suction port body 16 according to the present embodiment includes a suction port main body 31, a rotary cleaning body 28 rotatably supported by the suction port main body 31, and a suction port main body. Controls the operation of the electric motor 29 as a drive source housed in 31 to generate the rotational driving force of the rotary cleaning body 28, the power transmission mechanism 41 for transmitting the driving force from the electric motor 29 to the rotary cleaning body 28, and the operation of the electric motor 29. It includes a suction port body control unit 42.

また、吸込口体１６は、吸込口体１６が被掃除面から離れたり、吸込口体１６の上下が反転したりした場合に、電動機２９を停止させる安全装置４３と、を備えている。 Further, the suction port body 16 includes a safety device 43 that stops the electric motor 29 when the suction port body 16 is separated from the surface to be cleaned or the suction port body 16 is turned upside down.

さらに、吸込口本体部３１は、底面３１ａへ向かって開く吸込口２７と、吸込口２７に繋がる吸込室４５と、回転清掃体２８が収容される清掃体室４６と、を有している。 Further, the suction port main body 31 has a suction port 27 that opens toward the bottom surface 31a, a suction chamber 45 that is connected to the suction port 27, and a cleaning body chamber 46 that houses the rotary cleaning body 28.

清掃体室４６は、吸込室４５の外側に区画されている。清掃体室４６は、吸込口本体部３１の底面へ向かって開放されている。 The cleaning body chamber 46 is partitioned outside the suction chamber 45. The cleaning body chamber 46 is opened toward the bottom surface of the suction port main body 31.

吸込室４５は、下ケース３５と、上ケース３６の内側に収容され、かつ下ケース３５の一部に覆い被さる風路カバー４８と、吸込口本体部３１の左右方向に幅広な吸込口２７を中央部へ向かって絞る風路狭窄体４９と、で区画されている。 The suction chamber 45 includes a lower case 35, an air passage cover 48 that is housed inside the upper case 36 and covers a part of the lower case 35, and a suction port 27 that is wide in the left-right direction of the suction port main body 31. It is partitioned by an air passage narrowing body 49 that squeezes toward the center.

吸込口本体部３１の底面３１ａには、被掃除面ｆに接地して吸込口本体部３１を支える複数の転５０が設けられている。複数の転５０は、吸込口本体部３１の左右それぞれの端部に配置される転５０と、吸込口本体部３１の後部中央部に配置される転５０と、を含んでいる。 The bottom surface 31a of the suction port main body 31 is provided with a plurality of rolls 50 that are in contact with the surface to be cleaned f and support the suction port main body 31. The plurality of rolls 50 include rolls 50 arranged at the left and right ends of the suction port main body 31, and rolls 50 arranged at the rear central portion of the suction port main body 31.

吸込口本体部３１の下ケース３５と上ケース３６との間には、空間が区画されている。この空間は、電動機２９が収容される電動機室５１と、動力伝達機構４１が収容される機械室５２と、吸込口体制御部４２が収容される制御室５３と、安全装置４３が収容される安全装置室５５と、を含んでいる。これら電動機室５１、機械室５２、制御室５３、および安全装置室５５は、繋がっていても良いし、分断されていても良い。 A space is partitioned between the lower case 35 and the upper case 36 of the suction port main body 31. This space accommodates the motor chamber 51 in which the motor 29 is housed, the machine room 52 in which the power transmission mechanism 41 is housed, the control room 53 in which the suction port body control unit 42 is housed, and the safety device 43. The safety device room 55 and the like are included. The motor room 51, the machine room 52, the control room 53, and the safety device room 55 may be connected or separated.

制御室５３は、平面視において、吸込口本体部３１の前後左右の中央部に配置されている。 The control chamber 53 is arranged in the front, rear, left, and right central portions of the suction port main body 31 in a plan view.

安全装置室５５は、吸込口本体部３１の後部に配置され、かつ接続管部３２の回転接続管部３８を挟み込むように回転接続管部３８の左右それぞれの側部に設けられている。 The safety device chamber 55 is arranged at the rear portion of the suction port main body portion 31 and is provided on each of the left and right side portions of the rotary connection pipe portion 38 so as to sandwich the rotary connection pipe portion 38 of the connection pipe portion 32.

そして、吸込口本体部３１は、吸込口２７を吸込口体１６の前後から挟み込むように、一対の回転清掃体２８を備えている。 The suction port main body 31 is provided with a pair of rotary cleaning bodies 28 so as to sandwich the suction port 27 from the front and back of the suction port body 16.

電動機２９および動力伝達機構４１も、一対あって、それぞれの回転清掃体２８に個別に対応している。一対の電動機２９は、吸込口本体部３１の幅方向における一方の端部に設けられる電動機２９と、吸込口本体部３１の幅方向における他方の端部に設けられる電動機２９と、を含んでいる。これら一対の電動機２９は、吸込口本体部３１を左右に二分する中心線から実質的に同じ距離離れた箇所に配置されていることが好ましい。一対の動力伝達機構４１は、吸込口本体部３１の幅方向における一方の端部に設けられる動力伝達機構４１と、吸込口本体部３１の幅方向における他方の端部に設けられる動力伝達機構４１と、を含んでいる。これら一対の動力伝達機構４１は、吸込口本体部３１を左右に二分する中心線から実質的に同じ距離離れた箇所に配置されていることが好ましい。 A pair of the electric motor 29 and the power transmission mechanism 41 also correspond to each of the rotary cleaning bodies 28 individually. The pair of electric motors 29 includes an electric motor 29 provided at one end of the suction port main body 31 in the width direction and an electric motor 29 provided at the other end of the suction port main body 31 in the width direction. .. It is preferable that the pair of electric motors 29 are arranged at substantially the same distance from the center line that divides the suction port main body 31 into left and right. The pair of power transmission mechanisms 41 include a power transmission mechanism 41 provided at one end of the suction port main body 31 in the width direction and a power transmission mechanism 41 provided at the other end of the suction port main body 31 in the width direction. And, including. It is preferable that the pair of power transmission mechanisms 41 are arranged at a position substantially the same distance from the center line that divides the suction port main body 31 into left and right.

吸込口２７よりも前側の回転清掃体２８を、前清掃体２８Ｆ（第一回転清掃体）と呼ぶ。前清掃体２８Ｆが収容される清掃体室４６を前清掃体室４６Ｆ（第一回転清掃体室）と呼ぶ。前清掃体２８Ｆに対応する電動機２９を前用電動機２９Ｆと呼び、前清掃体２８Ｆに対応する動力伝達機構４１を前用伝達機構４１Ｆと呼ぶ。前用電動機２９Ｆが収容される電動機室５１を前用電動機室５１Ｆと呼び、前用伝達機構４１Ｆが収容される機械室５２を前用機械室５２Ｆと呼ぶ。 The rotary cleaning body 28 on the front side of the suction port 27 is called a front cleaning body 28F (first rotary cleaning body). The cleaning body room 46 in which the front cleaning body 28F is housed is called a front cleaning body room 46F (first rotation cleaning body room). The electric motor 29 corresponding to the front cleaning body 28F is referred to as a front electric motor 29F, and the power transmission mechanism 41 corresponding to the front cleaning body 28F is referred to as a front transmission mechanism 41F. The motor room 51 in which the front motor 29F is housed is called the front motor room 51F, and the machine room 52 in which the front transmission mechanism 41F is housed is called the front machine room 52F.

吸込口２７よりも後ろ側の回転清掃体２８を、後清掃体２８Ｒ（第二回転清掃体）と呼ぶ。後清掃体２８Ｒが収容される清掃体室４６を後清掃体室４６Ｒ（第二回転清掃体室）と呼ぶ。後清掃体２８Ｒに対応する電動機２９を後用電動機２９Ｒと呼び、後清掃体２８Ｒに対応する動力伝達機構４１を後用伝達機構４１Ｒと呼ぶ。後用電動機２９Ｒが収容される電動機室５１を後用電動機室５１Ｒと呼び、後用伝達機構４１Ｒが収容される機械室５２を後用機械室５２Ｒと呼ぶ。 The rotary cleaning body 28 behind the suction port 27 is called a rear cleaning body 28R (second rotary cleaning body). The cleaning body room 46 in which the rear cleaning body 28R is housed is referred to as a rear cleaning body room 46R (second rotation cleaning body room). The electric motor 29 corresponding to the rear cleaning body 28R is referred to as a rear electric motor 29R, and the power transmission mechanism 41 corresponding to the rear cleaning body 28R is referred to as a rear transmission mechanism 41R. The motor chamber 51 in which the rear motor 29R is housed is called the rear motor room 51R, and the machine room 52 in which the rear transmission mechanism 41R is housed is called the rear machine room 52R.

前清掃体室４６Ｆ、吸込口２７、後清掃体室４６Ｒは、吸込口体１６の進行方向へ並んでいる。換言すると、前清掃体２８Ｆ、吸込口２７、後清掃体２８Ｒは、吸込口体１６の進行方向へ並んでいる。前清掃体２８Ｆ、吸込口２７、後清掃体２８Ｒは、吸込口体１６の前側から後ろ側へ並んでいる。さらに、前清掃体２８Ｆ、風路狭窄体４９、後清掃体２８Ｒは、吸込口体１６の進行方向へ並んでいる。前清掃体室４６Ｆ、吸込口２７、後清掃体室４６Ｒは、実質的に同じ幅寸法を有している。 The front cleaning body chamber 46F, the suction port 27, and the rear cleaning body chamber 46R are arranged in the traveling direction of the suction port body 16. In other words, the front cleaning body 28F, the suction port 27, and the rear cleaning body 28R are arranged in the traveling direction of the suction port body 16. The front cleaning body 28F, the suction port 27, and the rear cleaning body 28R are arranged from the front side to the rear side of the suction port body 16. Further, the front cleaning body 28F, the air passage narrowing body 49, and the rear cleaning body 28R are arranged in the traveling direction of the suction port body 16. The front cleaning body chamber 46F, the suction port 27, and the rear cleaning body chamber 46R have substantially the same width dimension.

吸込口２７は、前清掃体室４６Ｆと後清掃体室４６Ｒとの間に配置されている。換言すると、吸込口２７は、前清掃体２８Ｆと後清掃体２８Ｒとの間に配置されている。 The suction port 27 is arranged between the front cleaning body chamber 46F and the rear cleaning body chamber 46R. In other words, the suction port 27 is arranged between the front cleaning body 28F and the rear cleaning body 28R.

吸込室４５は、後清掃体室４６Ｒに覆い被さるように下ケース３５に沿って吸込口本体部３１の後方へ湾曲し、接続管部３２に繋がっている。吸込室４５と接続管部３２との間には中継管５７が設けられている。中継管５７は、接続管部３２を支持する基部の役割を担っている。中継管５７は、風路カバー４８に一体成形されている。 The suction chamber 45 is curved rearward of the suction port main body 31 along the lower case 35 so as to cover the rear cleaning body chamber 46R, and is connected to the connection pipe portion 32. A relay pipe 57 is provided between the suction chamber 45 and the connecting pipe portion 32. The relay pipe 57 plays the role of a base that supports the connecting pipe portion 32. The relay pipe 57 is integrally molded with the air passage cover 48.

前清掃体室４６Ｆは、上ケース３６、下ケース３５、および風路狭窄体４９によって区画されている。後清掃体室４６Ｒは、下ケース３５、および風路狭窄体４９によって区画されている。 The front cleaning body chamber 46F is partitioned by an upper case 36, a lower case 35, and an air passage constricting body 49. The post-cleaning body chamber 46R is partitioned by a lower case 35 and an air passage constrictor 49.

機械室５２は、吸込口本体部３１の左右それぞれの端部であって、前清掃体室４６Ｆ、吸込口２７、および後清掃体室４６Ｒの不存在部分に区画されている。機械室５２は、前清掃体２８Ｆの軸端、および後清掃体２８Ｒの軸端を収容している。機械室５２の底部には、転５０が設けられている。 The machine room 52 is a left and right end portion of the suction port main body portion 31, and is divided into a non-existent portion of the front cleaning body chamber 46F, the suction port 27, and the rear cleaning body chamber 46R. The machine room 52 accommodates the shaft end of the front cleaning body 28F and the shaft end of the rear cleaning body 28R. A roll 50 is provided at the bottom of the machine room 52.

前用機械室５２Ｆは、吸込口本体部３１の左側の端部であって、前清掃体室４６Ｆ、吸込口２７、および後清掃体室４６Ｒの不存在部分に区画されている。前用機械室５２Ｆは、前清掃体２８Ｆの軸端、および後清掃体２８Ｒの軸端を収容している。 The front machine room 52F is a left end portion of the suction port main body portion 31, and is partitioned into a non-existent portion of the front cleaning body chamber 46F, the suction port 27, and the rear cleaning body chamber 46R. The front machine room 52F accommodates the shaft end of the front cleaning body 28F and the shaft end of the rear cleaning body 28R.

後用機械室５２Ｒは、吸込口本体部３１の右側の端部であって、前清掃体室４６Ｆ、吸込口２７、および後清掃体室４６Ｒの不存在部分に区画されている。後用機械室５２Ｒは、前清掃体２８Ｆの軸端、および後清掃体２８Ｒの軸端を収容している。 The rear machine room 52R is a right end portion of the suction port main body portion 31, and is divided into a front cleaning body chamber 46F, a suction port 27, and a non-existent portion of the rear cleaning body chamber 46R. The rear machine room 52R accommodates the shaft end of the front cleaning body 28F and the shaft end of the rear cleaning body 28R.

電動機室５１は、平面視において前清掃体室４６Ｆ、吸込口２７、後清掃体室４６Ｒに重なり、制御室５３と機械室５２との間に配置されている。側面視において、前清掃体２８Ｆの回転中心線、後清掃体２８Ｒの回転中心線、電動機２９の回転中心線が、三角形状のそれぞれの頂点に位置している。電動機室５１は、円筒形状の電動機２９を前清掃体室４６Ｆ、および後清掃体室４６Ｒの極力近くに収容している。つまり、電動機２９の底部は、前清掃体２８Ｆの頂部、および後清掃体２８Ｒの頂部より下方に配置されている。このような電動機２９の配置、および電動機室５１の構成は、回転清掃体２８の上方に電動機２９を配置する場合であっても、吸込口本体部３１の高さを回転清掃体２８の高さ（直径）と電動機２９の高さ（直径）との和より低く抑える。 The motor chamber 51 overlaps the front cleaning body chamber 46F, the suction port 27, and the rear cleaning body chamber 46R in a plan view, and is arranged between the control chamber 53 and the machine chamber 52. In the side view, the rotation center line of the front cleaning body 28F, the rotation center line of the rear cleaning body 28R, and the rotation center line of the motor 29 are located at the respective apex of the triangular shape. The electric motor chamber 51 accommodates the cylindrical electric motor 29 as close as possible to the front cleaning body chamber 46F and the rear cleaning body chamber 46R. That is, the bottom of the electric motor 29 is arranged below the top of the front cleaning body 28F and the top of the rear cleaning body 28R. In such an arrangement of the electric motor 29 and the configuration of the electric motor chamber 51, even when the electric motor 29 is arranged above the rotary cleaning body 28, the height of the suction port main body 31 is set to the height of the rotary cleaning body 28. Keep it lower than the sum of (diameter) and the height (diameter) of the motor 29.

前用電動機室５１Ｆは、吸込口本体部３１の左側であって、前用機械室５２Ｆに併設されている。 The front motor room 51F is on the left side of the suction port main body 31 and is attached to the front machine room 52F.

後用電動機室５１Ｒは、吸込口本体部３１の右側であって、後用機械室５２Ｒに併設されている。 The rear motor chamber 51R is on the right side of the suction port main body 31 and is attached to the rear machine room 52R.

なお、前用電動機室５１Ｆと前用機械室５２Ｆとが併設されていれば、前用電動機室５１Ｆおよび前用機械室５２Ｆは、吸込口本体部３１の右側に配置されていても良い。この場合には、前用伝達機構４１Ｆも、吸込口本体部３１の右側に配置される。後用電動機室５１Ｒ、後用機械室５２Ｒ、および後用伝達機構４１Ｒは、吸込口本体部３１の左側に配置される。 If the front motor room 51F and the front machine room 52F are provided side by side, the front motor room 51F and the front machine room 52F may be arranged on the right side of the suction port main body 31. In this case, the front transmission mechanism 41F is also arranged on the right side of the suction port main body 31. The rear motor chamber 51R, the rear machine room 52R, and the rear transmission mechanism 41R are arranged on the left side of the suction port main body 31.

回転清掃体２８の回転中心線は、吸込口本体部３１の幅方向に向けられている。回転清掃体２８は、放射状に延びるブラシ毛５９を有している。ブラシ毛５９は、回転清掃体２８の長手方向に延びる複数条の刷毛であり、かつ回転清掃体２８の周方向に並んでいる。 The rotation center line of the rotary cleaning body 28 is directed in the width direction of the suction port main body 31. The rotary cleaning body 28 has brush bristles 59 extending radially. The brush bristles 59 are a plurality of brushes extending in the longitudinal direction of the rotary cleaning body 28, and are arranged in the circumferential direction of the rotary cleaning body 28.

電動機２９は、機械室５２内に突出する出力軸２９ａを備えている。出力軸２９ａの回転中心線は、回転清掃体２８の回転中心線に実質的に平行している。電動機２９は、吸込口２７へ塵埃を掃き集める方向へ回転清掃体２８を回転させる。なお、吸込口体１６は、電動機２９に代わる回転清掃体２８の駆動源、例えば吸込負圧で吸い込まれる空気によって回転するファンやタービンを備えていても良い。 The electric motor 29 includes an output shaft 29a protruding into the machine room 52. The rotation center line of the output shaft 29a is substantially parallel to the rotation center line of the rotary cleaning body 28. The electric motor 29 rotates the rotary cleaning body 28 in the direction of sweeping dust to the suction port 27. The suction port body 16 may include a drive source of the rotary cleaning body 28 instead of the motor 29, for example, a fan or a turbine that is rotated by air sucked by the suction negative pressure.

動力伝達機構４１は、電動機２９の出力軸２９ａに固定される主動歯車６１と、回転清掃体２８に設けられる従動歯車６２と、主動歯車６１と従動歯車６２とに巻掛けられて電動機２９から回転清掃体２８へ駆動力を伝える無端状のベルト６３と、を備えている。 The power transmission mechanism 41 is wound around a main gear 61 fixed to the output shaft 29a of the motor 29, a driven gear 62 provided on the rotary cleaning body 28, and the main gear 61 and the driven gear 62, and rotates from the motor 29. It is provided with an endless belt 63 that transmits a driving force to the cleaning body 28.

吸込口体制御部４２は、掃除機本体１２から延長管１５を介して供給される電力によって電動機２９を運転する。 The suction port body control unit 42 operates the electric motor 29 by the electric power supplied from the vacuum cleaner main body 12 via the extension pipe 15.

風路狭窄体４９は、吸込室４５と清掃体室４６とを区画し、かつ吸込口２７の縁の一部を画定する隔壁６５と、隔壁６５の縁から突出して回転清掃体２８に接する除塵突起６６と、を備えている。 The air passage narrowing body 49 separates the suction chamber 45 and the cleaning body chamber 46, and defines a part of the edge of the suction port 27, and the partition wall 65, which protrudes from the edge of the partition wall 65 and comes into contact with the rotary cleaning body 28. It is provided with a protrusion 66.

吸込室４５と前清掃体室４６Ｆとを区画する隔壁６５を前隔壁６５Ｆ（第一隔壁）と呼ぶ。前隔壁６５Ｆは、吸込口２７の前側の縁を画定している。前隔壁６５Ｆの縁から突出して前清掃体２８Ｆに接する除塵突起６６を前突起６６Ｆ（第一除塵突起）と呼ぶ。 The partition wall 65 that separates the suction chamber 45 and the front cleaning body chamber 46F is called a front partition wall 65F (first partition wall). The front bulkhead 65F defines the front edge of the suction port 27. The dust removing protrusion 66 that protrudes from the edge of the front partition wall 65F and is in contact with the front cleaning body 28F is called a front protrusion 66F (first dust removing protrusion).

吸込室４５と後清掃体室４６Ｒとを区画する隔壁６５を後隔壁６５Ｒ（第二隔壁）と呼ぶ。後隔壁６５Ｒは、吸込口２７の後ろ側の縁を画定している。後隔壁６５Ｒの縁から突出して後清掃体２８Ｒに接する除塵突起６６を後突起６６Ｒ（第二除塵突起）と呼ぶ。 The partition wall 65 that separates the suction chamber 45 and the rear cleaning body chamber 46R is called a rear partition wall 65R (second partition wall). The rear bulkhead 65R defines the rear edge of the suction port 27. The dust removing protrusion 66 that protrudes from the edge of the rear partition wall 65R and is in contact with the rear cleaning body 28R is called a rear protrusion 66R (second dust removing protrusion).

吸込室４５の内面の一部（ここでは吸込室４５の後ろ側の内面、吸込室４５の内面の第一残部）は、前隔壁６５Ｆに対向し、かつ前隔壁６５Ｆに向かって凸の円弧形状の湾曲面６８を有している。湾曲面６８は、後隔壁６５Ｒの内面、および後隔壁６５Ｒの内面に連なる下ケース３５の面を含んでいる。下ケース３５は、後清掃体室４６Ｒを区画する、円弧形状の壁を有している。この壁は、実質的に一様な厚みで後清掃体２８Ｒを同心円状に囲み、かつ後隔壁６５Ｒの内面に滑らかに連なっている。 A part of the inner surface of the suction chamber 45 (here, the inner surface on the rear side of the suction chamber 45, the first remaining portion of the inner surface of the suction chamber 45) has an arc shape that faces the front partition wall 65F and is convex toward the front partition wall 65F. Has a curved surface 68 of. The curved surface 68 includes an inner surface of the rear partition wall 65R and a surface of the lower case 35 connected to the inner surface of the rear partition wall 65R. The lower case 35 has an arc-shaped wall that partitions the rear cleaning body chamber 46R. This wall concentrically surrounds the rear cleaning body 28R with a substantially uniform thickness, and is smoothly connected to the inner surface of the rear partition wall 65R.

前清掃体２８Ｆの回転によって掃き上げられる塵埃は、吸込室４５の湾曲面６８に向かう。そして、湾曲面６８は、飛来する塵埃を吸込室４５の奥側（下流側）へ円滑に誘導する。 The dust swept up by the rotation of the front cleaning body 28F goes toward the curved surface 68 of the suction chamber 45. Then, the curved surface 68 smoothly guides the flying dust to the back side (downstream side) of the suction chamber 45.

また、吸込室４５の内面の一部（ここでは吸込室４５の左右それぞれの側方の内面、吸込室４５の内面の第二残部）は、隔壁６５に連接し、かつ吸込室４５の奥側（下流側）へ向かって風路幅を狭める漏斗状の傾斜面７１を有している。傾斜面７１は、前隔壁６５Ｆおよび後隔壁６５Ｒに連接している。つまり、傾斜面７１は、前隔壁６５Ｆと後隔壁６５Ｒとの間に架け渡されている。傾斜面７１は、風路狭窄体４９の左右に一対ある。左右の傾斜面７１は、風路狭窄体４９の対応する端部から離れ、中央部に近づくほど吸込室４５の奥側へ入り込むよう傾いている。左右の傾斜面７１は、合流することなく、離間している。この左右の傾斜面７１の隙間は、傾斜面７１よりも奥側の吸込室４５へ繋がっている。傾斜面７１は、吸込口体１６の幅方向へ細長く広がった吸込口２７から吸い込まれる空気を、接続管部３２に繋がる吸込室４５の奥側へ円滑に案内する。 Further, a part of the inner surface of the suction chamber 45 (here, the inner surfaces on the left and right sides of the suction chamber 45 and the second remaining portion of the inner surface of the suction chamber 45) is connected to the partition wall 65 and is on the back side of the suction chamber 45. It has a funnel-shaped inclined surface 71 that narrows the width of the air passage toward (downstream side). The inclined surface 71 is connected to the front partition wall 65F and the rear partition wall 65R. That is, the inclined surface 71 is bridged between the front partition wall 65F and the rear partition wall 65R. There are a pair of inclined surfaces 71 on the left and right sides of the air passage narrowing body 49. The left and right inclined surfaces 71 are inclined so as to be separated from the corresponding end portions of the air passage narrowing body 49 and to enter the inner side of the suction chamber 45 as they approach the central portion. The left and right inclined surfaces 71 are separated from each other without merging. The gap between the left and right inclined surfaces 71 is connected to the suction chamber 45 on the back side of the inclined surface 71. The inclined surface 71 smoothly guides the air sucked from the suction port 27, which is elongated in the width direction of the suction port body 16, to the back side of the suction chamber 45 connected to the connecting pipe portion 32.

傾斜面７１は、吸込口本体部３１の縦断面視において、隔壁６５に対向する案内面７２を含む階段形状を有している。案内面７２は、前隔壁６５Ｆに対向している。この階段形状部は、図７のように単段でも良いし、複数段であっても良い。階段形状は、傾斜面７１の全幅に達していることが好ましい。各段の底の形状は平面であっても良いし、窪んでいても良い。案内面７２は、前隔壁６５Ｆに平行であることが好ましい。案内面７２は、前清掃体２８Ｆに掃き上げられた塵埃を捕捉して吸込室４５の奥側へ導く。また、案内面７２は、途中部分が前清掃体２８Ｆと被掃除面ｆとの間に挟まり、一方または両方の端部が吸込口２７へ向かって浮き上がった糸状の塵埃が、後隔壁６５Ｒを乗り越えて後清掃体２８Ｒ側へ接近しないよう、糸状の塵埃の端部を吸込室４５の奥側へ導く。 The inclined surface 71 has a staircase shape including a guide surface 72 facing the partition wall 65 in a vertical cross-sectional view of the suction port main body 31. The guide surface 72 faces the front partition wall 65F. The staircase shape portion may be a single step or a plurality of steps as shown in FIG. The staircase shape preferably reaches the full width of the inclined surface 71. The shape of the bottom of each step may be flat or recessed. The guide surface 72 is preferably parallel to the front partition wall 65F. The guide surface 72 captures the dust swept up by the front cleaning body 28F and guides it to the back side of the suction chamber 45. Further, the guide surface 72 has an intermediate portion sandwiched between the front cleaning body 28F and the surface to be cleaned f, and one or both ends of the guide surface 72 rise toward the suction port 27, and the thread-like dust gets over the rear partition wall 65R. Then, the end of the thread-like dust is guided to the back side of the suction chamber 45 so as not to approach the rear cleaning body 28R side.

除塵突起６６は、回転清掃体２８の回転軌跡の内側に入り込んでいる。除塵突起６６は、回転清掃体２８の回転にともなって回転清掃体２８のブラシ毛５９を弾く。このとき、除塵突起６６は、回転清掃体２８に付着して清掃体室４６に進入しようとする糸状の塵埃をブラシ毛５９から弾き飛ばして回転清掃体２８から離脱させる。回転清掃体２８から離脱した糸状の塵埃は、吸込口２７へ容易に吸い込まれる。つまり、除塵突起６６は、回転清掃体２８に付着した糸状の塵埃が清掃体室４６へ進入することを阻止できる。 The dust removing protrusion 66 enters the inside of the rotation locus of the rotary cleaning body 28. The dust removing protrusion 66 repels the brush bristles 59 of the rotary cleaning body 28 as the rotary cleaning body 28 rotates. At this time, the dust removing protrusion 66 repels the thread-like dust that adheres to the rotary cleaning body 28 and tries to enter the cleaning body chamber 46 from the brush bristles 59 and separates it from the rotary cleaning body 28. The thread-like dust separated from the rotary cleaning body 28 is easily sucked into the suction port 27. That is, the dust removing protrusion 66 can prevent the thread-like dust adhering to the rotary cleaning body 28 from entering the cleaning body chamber 46.

除塵突起６６は、隔壁６５の全幅に渡って設けられていることが好ましい。除塵突起６６は、回転清掃体２８のブラシ毛５９を撓ませることができれば良い。そのため、除塵突起６６の形状は、図５および図６のように櫛形状であっても良いし、突出長さが全幅に渡って一様な板状であっても良い。除塵突起６６が接触することによって回転清掃体２８の回転抵抗が増すため、除塵突起６６の形状は、電動機２９の出力に応じて、適宜に設定される。 The dust removing protrusion 66 is preferably provided over the entire width of the partition wall 65. The dust removing protrusion 66 only needs to be able to bend the brush bristles 59 of the rotary cleaning body 28. Therefore, the shape of the dust removing protrusion 66 may be a comb shape as shown in FIGS. 5 and 6, or may be a plate shape having a uniform protrusion length over the entire width. Since the rotational resistance of the rotary cleaning body 28 increases due to the contact of the dust removing protrusion 66, the shape of the dust removing protrusion 66 is appropriately set according to the output of the electric motor 29.

吸込口体１６の接地面を基準面とすると、前突起６６Ｆは、基準面に実質的に平行している。後突起６６Ｒは、基準面から遠ざかる方向へ傾いて突出している。 Assuming that the ground plane of the suction port body 16 is a reference plane, the front protrusion 66F is substantially parallel to the reference plane. The rear protrusion 66R is inclined and protrudes in a direction away from the reference plane.

一般に、使用者は、吸込口体１６を前進させて吸込口体１６を未掃除の被掃除面ｆへ進入させる。このとき、被掃除面ｆ上の糸状の塵埃は、吸込口体１６の前方から後方へ移動する。発明者は、前突起６６Ｆを基準面に対して実質的に平行させる一方、後突起６６Ｒを基準面から遠ざかる方向へ傾けることで、糸状の塵埃が前清掃体室４６Ｆおよび後清掃体室４６Ｒの両方に進入しにくくなることを見いだした。 Generally, the user advances the suction port body 16 to allow the suction port body 16 to enter the uncleaned surface f. At this time, the thread-like dust on the surface to be cleaned f moves from the front to the rear of the suction port body 16. The inventor made the front protrusion 66F substantially parallel to the reference plane, while tilting the rear protrusion 66R away from the reference plane, so that filamentous dust was collected from the front cleaning body chamber 46F and the rear cleaning body chamber 46R. I found it difficult to enter both.

また、後隔壁６５Ｒは、吸込室４５と後清掃体室４６Ｒとを繋ぐ孔７３を有している。孔７３は、左右の傾斜面７１に挟まれる範囲に配置されている。孔７３は、複数あっても良い。孔７３は、後清掃体室４６Ｒ内に入り込んだ塵埃が後清掃体室４６Ｒ内に残留しないよう、吸込室４５へ排出する。 Further, the rear partition wall 65R has a hole 73 connecting the suction chamber 45 and the rear cleaning body chamber 46R. The holes 73 are arranged in a range sandwiched between the left and right inclined surfaces 71. There may be a plurality of holes 73. The hole 73 is discharged to the suction chamber 45 so that the dust that has entered the rear cleaning body chamber 46R does not remain in the rear cleaning body chamber 46R.

なお、前清掃体室４６Ｆに入り込んだ塵埃は、前清掃体２８Ｆの回転にともなって吸込口体１６の前方へ排出される。つまり、前清掃体室４６Ｆに入り込んだ塵埃は、後清掃体室４６Ｒに入り込んだ塵埃よりも吸込口体１６の前進中に吸込口２７へ吸い込まれる機会が多い。そのため、前隔壁６５Ｆは、後隔壁６５Ｒのように孔７３を有していなくとも良い。 The dust that has entered the front cleaning body chamber 46F is discharged to the front of the suction port 16 as the front cleaning body 28F rotates. That is, the dust that has entered the front cleaning body chamber 46F is more likely to be sucked into the suction port 27 while the suction port body 16 is advancing than the dust that has entered the rear cleaning body chamber 46R. Therefore, the front partition wall 65F does not have to have a hole 73 like the rear partition wall 65R.

後清掃体室４６Ｒの開口縁部の一部であって、後突起６６Ｒに対向する箇所には、後清掃体２８Ｒに向かって鋭角な縦断面形状を有する突出部７５が設けられている。突出部７５は、後清掃体室４６Ｒの開口縁部の後ろ側の部分に設けられている。吸込口体１６をカーペットのように柔らかい被掃除面ｆで使用する場合には、吸込口本体部３１は、被掃除面ｆに沈み込む。このような場合に、突出部７５は、ブルドーザーのブレードのように被掃除面ｆをかきおこして、カーペットに入り込んだ塵埃を掻き出す。 A protruding portion 75 having an acute vertical cross-sectional shape toward the rear cleaning body 28R is provided at a portion of the opening edge portion of the rear cleaning body chamber 46R and facing the rear protrusion 66R. The protruding portion 75 is provided in a portion on the rear side of the opening edge portion of the rear cleaning body chamber 46R. When the suction port body 16 is used on a soft surface to be cleaned like a carpet, the suction port main body 31 sinks into the surface to be cleaned f. In such a case, the protrusion 75 raises the surface to be cleaned f like a blade of a bulldozer, and scrapes out the dust that has entered the carpet.

突出部７５は、後清掃体室４６Ｒの全幅に渡っていることが好ましい。また、突出部７５は、吸込口体１６をフローリングのような堅い被掃除面ｆで使用する場合には、被掃除面ｆに接しない範囲で吸込口本体部３１の下方へ向かって吸込口本体部３１の底面よりも突出していても良い。 The protrusion 75 preferably extends over the entire width of the rear cleaning body chamber 46R. Further, when the suction port body 16 is used on a hard surface to be cleaned such as flooring, the protrusion 75 is directed downward from the suction port body 31 within a range not in contact with the surface to be cleaned f. It may protrude from the bottom surface of the portion 31.

次いで、吸込口体１６の安全装置４３について詳細に説明する。 Next, the safety device 43 of the suction port body 16 will be described in detail.

図８は、図３のＶＩＩＩ−ＶＩＩＩ線における、本発明の実施形態に係る吸込口体の断面図である。 FIG. 8 is a cross-sectional view of a suction port according to an embodiment of the present invention in line VIII-VIII of FIG.

図９は、本発明の実施形態に係る吸込口体の安全装置の一体成形部材の斜視図である。 FIG. 9 is a perspective view of an integrally molded member of the suction port safety device according to the embodiment of the present invention.

図４に加えて、図８および図９に示すように、本実施形態に係る吸込口体１６の安全装置４３は、電動機２９に繋がる給電路を開閉する開閉器８１と、吸込口本体部３１の底面３１ａに対する突出量を変化可能であり、吸込口本体部３１が底面３１ａを被掃除面ｆに向けて接地しているか否かを検出する検知部８２と、吸込口本体部３１が底面３１ａを被掃除面ｆに向けて接地していることを検知部８２が検知している場合には、開閉器８１を閉じて電動機２９を駆動させる操作片８３と、吸込口本体部３１が反転した場合に、操作片８３が開閉器８１を閉じることを阻止する阻止部８５と、検知部８２と操作片８３と阻止部８５とを回転一体化させる軸部８６と、吸込口本体部３１の底面３１ａから突出する方向へ検知部８２に力を加える弾性部材８７と、を備えている。 In addition to FIG. 4, as shown in FIGS. 8 and 9, the safety device 43 of the suction port body 16 according to the present embodiment includes a switch 81 for opening and closing the power supply path connected to the electric motor 29, and a suction port main body 31. The amount of protrusion of the bottom surface 31a can be changed, and the suction port main body 31 has a detection unit 82 that detects whether or not the bottom surface 31a is in contact with the surface to be cleaned f, and the suction port main body 31 has the bottom surface 31a. When the detection unit 82 detects that the surface to be cleaned f is in contact with the ground, the operation piece 83 that closes the switch 81 to drive the electric motor 29 and the suction port main body 31 are reversed. In this case, the blocking portion 85 that prevents the operation piece 83 from closing the switch 81, the shaft portion 86 that rotates and integrates the detection unit 82, the operation piece 83, and the blocking portion 85, and the bottom surface of the suction port main body 31. An elastic member 87 that applies a force to the detection unit 82 in a direction protruding from 31a is provided.

検知部８２は、軸部８６の一方の端部に設けられている。検知部８２は、接続管部３２の右側の安全装置室５５および左側の安全装置室５５のいずれか一方に収容されている。検知部８２は、例えば接続管部３２の右側の安全装置室５５に収容されている。検知部８２は、軸部８６の一方の端部に設けられるブラケット９１と、ブラケット９１に設けられる支持軸９２と、支持軸９２を介してブラケット９１に回転可能に支持されるローラー９３と、を備えている。 The detection unit 82 is provided at one end of the shaft unit 86. The detection unit 82 is housed in either the safety device room 55 on the right side or the safety device room 55 on the left side of the connection pipe unit 32. The detection unit 82 is housed in, for example, the safety device room 55 on the right side of the connection pipe unit 32. The detection unit 82 includes a bracket 91 provided at one end of the shaft portion 86, a support shaft 92 provided on the bracket 91, and a roller 93 rotatably supported by the bracket 91 via the support shaft 92. I have.

阻止部８５は、軸部８６の他方の端部に、操作片８３とともに設けられている。阻止部８５は、接続管部３２の右側の安全装置室５５および左側の安全装置室５５のいずれか他方に、操作片８３とともに収容されている。阻止部８５は、例えば接続管部３２の左側の安全装置室５５に収容されている。阻止部８５は、軸部８６の他方の端部に設けられる略Ｕ字形状のストッパー片９５と、吸込口本体部３１の上下方向へ自重で移動可能な球体９６と、を備えている。 The blocking portion 85 is provided at the other end of the shaft portion 86 together with the operating piece 83. The blocking portion 85 is housed together with the operation piece 83 in either the safety device chamber 55 on the right side or the safety device chamber 55 on the left side of the connecting pipe portion 32. The blocking portion 85 is housed in, for example, the safety device chamber 55 on the left side of the connecting pipe portion 32. The blocking portion 85 includes a substantially U-shaped stopper piece 95 provided at the other end of the shaft portion 86, and a sphere 96 that can move in the vertical direction of the suction port main body 31 by its own weight.

ストッパー片９５は、軸部８６からアーム状に突出している。ストッパー片９５は、Ｕ字形状の一方の端部であって軸部８６に固定される基端部９５ａと、Ｕ字形状の他方の端部であって自由端部９５ｂと、を有している。 The stopper piece 95 protrudes from the shaft portion 86 in an arm shape. The stopper piece 95 has a base end portion 95a which is one end of the U-shape and is fixed to the shaft portion 86, and a free end portion 95b which is the other end of the U-shape. There is.

球体９６は、合成樹脂製の阻止部８５のストッパー片９５に比べて強度が極めて高い金属製、例えばステンレス鋼製の球である。 The sphere 96 is a sphere made of metal, for example, stainless steel, which has extremely high strength as compared with the stopper piece 95 of the blocking portion 85 made of synthetic resin.

操作片８３は、軸部８６の他方の端部に、阻止部８５とともに設けられている。操作片８３は、接続管部３２の右側の安全装置室５５および左側の安全装置室５５のいずれか他方に、阻止部８５とともに収容されている。操作片８３は、例えば接続管部３２の左側の安全装置室５５に収容されている。操作片８３は、阻止部８５のストッパー片９５よりも軸部８６の他方の端部に近く、ストッパー片９５に併設されている。操作片８３は、吸込口体１６が被掃除面ｆに接地された際に、被掃除面ｆによってローラー９３が吸込口本体部３１の方へ押し込まれる動きに連動して回転し、開閉器８１を閉じる。 The operation piece 83 is provided at the other end of the shaft portion 86 together with the blocking portion 85. The operation piece 83 is housed in one of the safety device room 55 on the right side and the safety device room 55 on the left side of the connecting pipe portion 32 together with the blocking portion 85. The operation piece 83 is housed in, for example, the safety device room 55 on the left side of the connecting pipe portion 32. The operation piece 83 is closer to the other end of the shaft portion 86 than the stopper piece 95 of the blocking portion 85, and is attached to the stopper piece 95. When the suction port body 16 is grounded to the surface to be cleaned f, the operation piece 83 rotates in conjunction with the movement of the roller 93 being pushed toward the suction port main body 31 by the surface to be cleaned f, and the switch 81 Close.

軸部８６は、吸込口本体部３１に回転可能に支持されている。軸部８６は、接続管部３２と吸込口本体部３１の底板３１ｂとの間に配置され、吸込口本体部３１の平面視において接続管部３２を跨いで接続管部３２に交差する方向へ延びている。軸部８６は、接続管部３２と中継管５７との連結部分の真下に配置されている。軸部８６は、接続管部３２の右側の安全装置室５５と左側の安全装置室５５との間に架け渡されている。 The shaft portion 86 is rotatably supported by the suction port main body portion 31. The shaft portion 86 is arranged between the connecting pipe portion 32 and the bottom plate 31b of the suction port main body 31, and is in a direction that straddles the connecting pipe 32 and intersects the connecting pipe 32 in a plan view of the suction port main body 31. It is extending. The shaft portion 86 is arranged directly below the connecting portion between the connecting pipe portion 32 and the relay pipe 57. The shaft portion 86 is bridged between the safety device chamber 55 on the right side and the safety device chamber 55 on the left side of the connecting pipe portion 32.

軸部８６のねじり強度は、検知部８２のねじり強度、および操作片８３のねじり強度よりも高い。また、軸部８６のねじり剛性は、検知部８２のねじり剛性、および操作片８３のねじり剛性よりも高い。 The torsional strength of the shaft portion 86 is higher than the torsional strength of the detection unit 82 and the torsional strength of the operation piece 83. Further, the torsional rigidity of the shaft portion 86 is higher than the torsional rigidity of the detection unit 82 and the torsional rigidity of the operation piece 83.

検知部８２のブラケット９１、操作片８３、阻止部８５のストッパー片９５、および軸部８６は、一体成形部材９９によって回転一体化されている。検知部８２のブラケット９１、操作片８３、阻止部８５のストッパー片９５は、例えば合成樹脂製である。軸部８６は、合成樹脂製の検知部８２のブラケット９１、操作片８３、および阻止部８５のストッパー片９５に比べて強度およびせん断弾性係数（剛性率）が極めて高い金属製、例えばステンレス鋼製の軸そのもの、または軸芯を有している。 The bracket 91 of the detection unit 82, the operation piece 83, the stopper piece 95 of the blocking unit 85, and the shaft portion 86 are rotationally integrated by the integrally molded member 99. The bracket 91 of the detection unit 82, the operation piece 83, and the stopper piece 95 of the blocking unit 85 are made of, for example, synthetic resin. The shaft portion 86 is made of metal, for example, stainless steel, which has extremely high strength and shear elastic modulus (rigidity) as compared with the bracket 91 of the detection unit 82 made of synthetic resin, the operation piece 83, and the stopper piece 95 of the blocking portion 85. It has the shaft itself or the shaft core.

一体成形部材９９は、例えば合成樹脂製の検知部８２のブラケット９１、操作片８３、および阻止部８５のストッパー片９５に金属製の軸部８６をインサート成形した成型品である。軸部８６は、合成樹脂に覆われていても良いし、覆われていなくても良い。なお、検知部８２のブラケット９１、操作片８３、阻止部８５のストッパー片９５、および軸部８６は、例えばキーのような機械要素で回転一体に結合されていても良い。 The integrally molded member 99 is, for example, a molded product in which a metal shaft portion 86 is insert-molded into a bracket 91 of a detection portion 82 made of synthetic resin, an operation piece 83, and a stopper piece 95 of a blocking portion 85. The shaft portion 86 may or may not be covered with a synthetic resin. The bracket 91 of the detection unit 82, the operation piece 83, the stopper piece 95 of the blocking unit 85, and the shaft portion 86 may be integrally rotated and integrally connected by a mechanical element such as a key.

弾性部材８７は、例えばねじりばねである。弾性部材８７は、一体成形部材９９の適宜の箇所に設けられたばね受け部と吸込口本体部３１の適宜の箇所に設けられたばね受け部とに引っ掛けられている。弾性部材８７は、検知部８２が最大突出位置から押し込まれるとエネルギーを蓄え、このエネルギーを消費して検知部８２を突出させる。また、弾性部材８７は、吸込口体１６の上下が反転され、吸込口体１６の底面３１ａが上方へ向けられても、一体成形部材９９であるブラケット９１、操作片８３、ストッパー片９５、および軸部８６と、支持軸９２と、ローラー９３と、が自重によって回転することのないよう、これらを支える。そのため、弾性部材８７には、適宜の予荷重が付与されていることが好ましい。 The elastic member 87 is, for example, a torsion spring. The elastic member 87 is hooked on a spring receiving portion provided at an appropriate position of the integrally molded member 99 and a spring receiving portion provided at an appropriate position of the suction port main body 31. The elastic member 87 stores energy when the detection unit 82 is pushed in from the maximum protruding position, and consumes this energy to project the detection unit 82. Further, in the elastic member 87, even if the suction port body 16 is turned upside down and the bottom surface 31a of the suction port body 16 is directed upward, the bracket 91, the operation piece 83, the stopper piece 95, and the integrally molded member 99 are formed. The shaft portion 86, the support shaft 92, and the roller 93 are supported so as not to rotate due to their own weight. Therefore, it is preferable that an appropriate preload is applied to the elastic member 87.

図１０は、図３のＸ−Ｘ線における、本発明の実施形態に係る吸込口体の断面図である。 FIG. 10 is a cross-sectional view of a suction port body according to an embodiment of the present invention in line XX of FIG.

図１０に示すように、吸込口体１６が底面３１ａを被掃除面ｆに向けた状態で被掃除面ｆに接地されると、弾性部材８７が発生させる力に抗して被掃除面ｆによってローラー９３が吸込口本体部３１の方へ押し込まれる。ローラー９３の動きは、検知部８２の支持軸９２およびブラケット９１を介して軸部８６を回転させる。この軸部８６の回転は、操作片８３および阻止部８５のストッパー片９５を回転させる。弾性部材８７は、軸部８６の回転によって変形し、エネルギーを蓄積する。 As shown in FIG. 10, when the suction port body 16 is grounded to the surface to be cleaned f with the bottom surface 31a facing the surface to be cleaned f, the surface f to be cleaned resists the force generated by the elastic member 87. The roller 93 is pushed toward the suction port main body 31. The movement of the roller 93 rotates the shaft portion 86 via the support shaft 92 of the detection unit 82 and the bracket 91. The rotation of the shaft portion 86 rotates the operation piece 83 and the stopper piece 95 of the blocking portion 85. The elastic member 87 is deformed by the rotation of the shaft portion 86 and stores energy.

回転した操作片８３は、開閉器８１を閉じて電動機２９への給電路を可能にする。開閉器８１が閉じられた状態であり、かつブラシスイッチ２６ｃが操作されて吸込口体１６へ電力が供給されている状態であれば、電動機２９へ電力が供給されて電動機２９が駆動する。そうすると、回転清掃体２８が回転する。 The rotated operating piece 83 closes the switch 81 and enables a power supply path to the motor 29. When the switch 81 is closed and the brush switch 26c is operated to supply electric power to the suction port body 16, electric power is supplied to the electric motor 29 to drive the electric motor 29. Then, the rotary cleaning body 28 rotates.

また、回転したストッパー片９５は、Ｕ字形状の開放部分を水平方向へ向ける。阻止部８５の球体９６は、Ｕ字形状のストッパー片９５の内側（凹形状部）に捕捉される。 Further, the rotated stopper piece 95 directs the U-shaped open portion in the horizontal direction. The sphere 96 of the blocking portion 85 is captured inside the U-shaped stopper piece 95 (concave-shaped portion).

次いで、吸込口体１６が底面３１ａを被掃除面ｆに向けた状態で被掃除面ｆから離れると、弾性部材８７が復元することによって、ローラー９３が吸込口本体部３１から突出する方向へ軸部８６が回転する。この軸部８６の回転は、操作片８３、阻止部８５のストッパー片９５、および検知部８２のブラケット９１を回転させる。 Next, when the suction port body 16 separates from the cleaned surface f with the bottom surface 31a facing the surface to be cleaned f, the elastic member 87 is restored so that the roller 93 protrudes from the suction port main body 31. The unit 86 rotates. The rotation of the shaft portion 86 rotates the operation piece 83, the stopper piece 95 of the blocking portion 85, and the bracket 91 of the detection portion 82.

回転したブラケット９１は、吸込口本体部３１からローラー９３を突出させる。このとき、検知部８２の突出位置は、最大突出位置に達する。 The rotated bracket 91 projects the roller 93 from the suction port main body 31. At this time, the protruding position of the detection unit 82 reaches the maximum protruding position.

また、回転した操作片８３は、開閉器８１を開いて電動機２９への給電を遮断する。開閉器８１が開かれた状態では、ブラシスイッチ２６ｃが操作されて吸込口体１６へ電力が供給されている状態であっても、電動機２９への給電が断たれる。そうすると、電動機２９が停止し、回転清掃体２８が停止する。 Further, the rotated operation piece 83 opens the switch 81 to cut off the power supply to the motor 29. In the state where the switch 81 is opened, the power supply to the electric motor 29 is cut off even when the brush switch 26c is operated to supply electric power to the suction port body 16. Then, the electric motor 29 stops, and the rotary cleaning body 28 stops.

また、回転したストッパー片９５は、Ｕ字形状の開放部分を上方へ向ける。Ｕ字形状の開放部分が上方へ向くと、球体９６がＵ字形状のストッパー片９５の内側（凹形状部）から抜け出すことが可能になる。つまり、球体９６は、上方向へ移動可能になる。 Further, the rotated stopper piece 95 directs the U-shaped open portion upward. When the U-shaped open portion faces upward, the sphere 96 can be pulled out from the inside (concave-shaped portion) of the U-shaped stopper piece 95. That is, the sphere 96 can move upward.

図１１は、図３のＸ−Ｘ線における、本発明の実施形態に係る吸込口体の断面図である。 FIG. 11 is a cross-sectional view of a suction port body according to an embodiment of the present invention in line XX of FIG.

図１１に示すように、吸込口体１６の上下が反転され、吸込口体１６の底面３１ａが上方へ向けられると、弾性部材８７が軸部８６の回転を支え、ローラー９３が吸込口本体部３１から突出した状態を維持する。このとき、球体９６が自重によってＵ字形状のストッパー片９５の内側から抜け出る。ストッパー片９５の内側から抜け出た球体９６は、吸込口本体部３１内に適宜に設けられて球体９６の移動範囲を規制する壁によって、ストッパー片９５の回転を阻止する回転阻止位置（図１０）に配置される。回転阻止位置に配置された球体９６は、ローラー９３を吸込口本体部３１へ押し込むような外力が検知部８２に作用した場合には、ストッパー片９５の自由端部９５ｂに当たって軸部８６の回転を阻止する。そうすると、操作片８３、阻止部８５のストッパー片９５、および検知部８２のブラケット９１の回転が阻止される。 As shown in FIG. 11, when the suction port body 16 is turned upside down and the bottom surface 31a of the suction port body 16 is directed upward, the elastic member 87 supports the rotation of the shaft portion 86, and the roller 93 supports the rotation of the suction port main body. The state of protruding from 31 is maintained. At this time, the sphere 96 comes out from the inside of the U-shaped stopper piece 95 due to its own weight. The sphere 96 that has come out from the inside of the stopper piece 95 is a rotation blocking position that prevents the stopper piece 95 from rotating by a wall that is appropriately provided in the suction port main body 31 and regulates the movement range of the sphere 96 (FIG. 10). Is placed in. When an external force such as pushing the roller 93 into the suction port main body 31 acts on the detection unit 82, the sphere 96 arranged at the rotation blocking position hits the free end portion 95b of the stopper piece 95 to rotate the shaft portion 86. Stop. Then, the rotation of the operation piece 83, the stopper piece 95 of the blocking unit 85, and the bracket 91 of the detecting unit 82 is blocked.

回転が阻止される操作片８３は、開閉器８１を開いた状態を維持する。そうすると、電動機２９が停止を続け、回転清掃体２８が停止を続ける。 The operation piece 83 whose rotation is blocked keeps the switch 81 open. Then, the electric motor 29 continues to stop, and the rotary cleaning body 28 continues to stop.

以上のように、本実施形態に係る吸込口体１６および電気掃除機１は、接続管部３２と吸込口本体部３１の底板３１ｂとの間に配置され、かつ吸込口本体部３１の平面視において接続管部３２を跨いで接続管部３２に交差する方向へ延びる軸部８６と、軸部８６の一方の端部に設けられる検知部８２と、軸部８６の他方の端部に設けられる操作片８３および阻止部８５と、を備えている。このような安全装置４３は、吸込口本体部３１のＸ軸まわりのアンバランス、つまり吸込口本体部３１の左右のアンバランスを抑制する。そのため、吸込口体１６および電気掃除機１は、安全装置４３による吸込口本体部３１の左右のアンバランスへの寄与度を下げ、吸込口体１６に収容される部品、例えば電動機２９、動力伝達機構４１、および吸込口体制御部４２の配置の制約を緩め、吸込口体１６の設計の自由度を向上させる。また、このような安全装置４３は、吸込口本体部３１の高さ寸法の増大を防ぎ、かつ風路を構成する接続管部３２の形状を損なうことがない。そのため、吸込口体１６および電気掃除機１は、使い勝手を損なうことなく、十分な風路断面積を確保できる。 As described above, the suction port body 16 and the vacuum cleaner 1 according to the present embodiment are arranged between the connection pipe portion 32 and the bottom plate 31b of the suction port main body 31, and the suction port main body 31 is viewed in a plan view. The shaft portion 86 that straddles the connection pipe portion 32 and extends in a direction intersecting the connection pipe portion 32, a detection portion 82 provided at one end of the shaft portion 86, and a detection portion 82 provided at the other end of the shaft portion 86. It includes an operation piece 83 and a blocking unit 85. Such a safety device 43 suppresses the imbalance around the X-axis of the suction port main body 31, that is, the left and right imbalance of the suction port main body 31. Therefore, the suction port body 16 and the electric vacuum cleaner 1 reduce the contribution of the safety device 43 to the left and right imbalance of the suction port main body 31, and the parts housed in the suction port body 16, for example, the electric motor 29 and the power transmission. The restrictions on the arrangement of the mechanism 41 and the suction port body control unit 42 are relaxed, and the degree of freedom in designing the suction port body 16 is improved. Further, such a safety device 43 prevents the height dimension of the suction port main body 31 from increasing, and does not impair the shape of the connecting pipe 32 constituting the air passage. Therefore, the suction port body 16 and the vacuum cleaner 1 can secure a sufficient air passage cross-sectional area without impairing usability.

また、本実施形態に係る吸込口体１６および電気掃除機１は、吸込口本体部３１の幅方向における一方の端部に設けられる電動機２９と、吸込口本体部３１の幅方向における他方の端部に設けられる電動機２９と、を含む一対の電動機２９を備えている。それら電動機２９は、吸込口体１６に収容される部品の中でも質量が大きい。そのため、吸込口体１６および電気掃除機１は、安全装置４３による吸込口本体部３１の左右のアンバランスへの寄与度を下げ、かつ電動機２９による吸込口本体部３１の左右のアンバランスへの寄与度を下げて、吸込口体１６の設計の自由度を向上させる。 Further, the suction port body 16 and the vacuum cleaner 1 according to the present embodiment have an electric motor 29 provided at one end of the suction port main body 31 in the width direction and the other end of the suction port main body 31 in the width direction. It is provided with a pair of electric motors 29 including an electric motor 29 provided in the unit. The electric motor 29 has the largest mass among the parts housed in the suction port body 16. Therefore, the suction port body 16 and the vacuum cleaner 1 reduce the contribution of the safety device 43 to the left and right imbalance of the suction port main body 31, and the electric motor 29 to the left and right imbalance of the suction port main body 31. The degree of contribution is lowered to improve the degree of freedom in designing the suction port body 16.

さらに、本実施形態に係る吸込口体１６および電気掃除機１は、検知部８２のねじり強度、および操作片８３のねじり強度よりも高いねじり強度を有する軸部８６を備えている。そのため、吸込口体１６および電気掃除機１は、吸込口本体部３１の上下が反転して阻止部８５が軸部８６の回転を阻止した状態で、ローラー９３を吸込口本体部３１へ押し込むように過荷重が作用した場合であっても、軸部８６が破損することがない。また、吸込口体１６および電気掃除機１は、軸部８６のねじり角によって操作片８３と検知部８２との位置関係（軸部８６の回転中心周りにおける位置関係）が崩れて、開閉器８１が誤って閉じられたり、開閉器８１が誤って開かれたりすることがない。 Further, the suction port body 16 and the vacuum cleaner 1 according to the present embodiment include a shaft portion 86 having a torsional strength of the detection unit 82 and a torsional strength higher than the torsional strength of the operation piece 83. Therefore, the suction port body 16 and the vacuum cleaner 1 push the roller 93 into the suction port main body 31 in a state where the suction port main body 31 is turned upside down and the blocking portion 85 blocks the rotation of the shaft portion 86. The shaft portion 86 is not damaged even when an overload acts on the shaft portion 86. Further, in the suction port body 16 and the vacuum cleaner 1, the positional relationship between the operation piece 83 and the detection unit 82 (the positional relationship around the rotation center of the shaft portion 86) is broken by the twist angle of the shaft portion 86, and the switch 81. Will not be accidentally closed or the switch 81 will not be accidentally opened.

また、本実施形態に係る吸込口体１６および電気掃除機１は、ステンレス鋼を用いた軸部８６を備えている。そのため、吸込口体１６および電気掃除機１は、軸部８６の強度およびねじり剛性を容易かつ安価に高めることができる。 Further, the suction port body 16 and the vacuum cleaner 1 according to the present embodiment include a shaft portion 86 made of stainless steel. Therefore, the suction port body 16 and the vacuum cleaner 1 can easily and inexpensively increase the strength and torsional rigidity of the shaft portion 86.

さらに、本実施形態に係る吸込口体１６および電気掃除機１は、検知部８２、操作片８３、阻止部８５、および軸部８６を回転一体化する一体成形部材９９を備えている。そのため、吸込口体１６および電気掃除機１は、例えばステンレス鋼製の棒材を軸部８６自体、または軸部８６の芯材に有する一体成形部材９９を容易に採用できる。 Further, the suction port body 16 and the vacuum cleaner 1 according to the present embodiment include an integrally molded member 99 that rotationally integrates a detection unit 82, an operation piece 83, a blocking unit 85, and a shaft portion 86. Therefore, for the suction port body 16 and the vacuum cleaner 1, for example, an integrally molded member 99 having a stainless steel rod material in the shaft portion 86 itself or the core material of the shaft portion 86 can be easily adopted.

したがって、本実施形態に係る吸込口体１６によれば、左右のバランスに対する影響を低減し、かつ、設計自由度の高を向上できる。また、電気掃除機１は、そのような吸込口体１６を備えることができる。 Therefore, according to the suction port body 16 according to the present embodiment, it is possible to reduce the influence on the left-right balance and improve the high degree of freedom in design. Further, the vacuum cleaner 1 can be provided with such a suction port body 16.

本発明のいくつかの実施形態を説明したが、これらの実施形態は、例として提示したものであり、発明の範囲を限定することは意図していない。これら新規な実施形態は、その他の様々な形態で実施されることが可能であり、発明の要旨を逸脱しない範囲で、種々の省略、置き換え、変更を行うことができる。これら実施形態やその変形は、発明の範囲や要旨に含まれるとともに、特許請求の範囲に記載された発明とその均等の範囲に含まれる。 Although some embodiments of the present invention have been described, these embodiments are presented as examples and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other embodiments, and various omissions, replacements, and changes can be made without departing from the gist of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are also included in the scope of the invention described in the claims and the equivalent scope thereof.

１…電気掃除機、１１…把手、１２…掃除機本体、１３…二次電池、１５…延長管、１６…吸込口体、１７…本体ケース、１７ａ…前半部、１７ｂ…後半部、１８…電動送風機、１９…塵埃分離集塵部、２１…本体制御部、２３…本体接続口、２６…入力部、２６ａ…運転開始スイッチ、２６ｂ…運転停止スイッチ、２６ｃ…ブラシスイッチ、２７…吸込口、２８…回転清掃体、２８Ｆ…前清掃体、２８Ｒ…後清掃体、２９…電動機、２９ａ…出力軸、２９Ｆ…前用電動機、２９Ｒ…後用電動機、３１…吸込口本体部、３１ａ…底面、３１ｂ…底板、３２…接続管部、３５…下ケース、３６…上ケース、３８…回転接続管部、３９…揺動接続管部、４１…動力伝達機構、４１Ｆ…前用伝達機構、４１Ｒ…後用伝達機構、４２…吸込口体制御部、４３…安全装置、４５…吸込室、４６…清掃体室、４６Ｆ…前清掃体室、４６Ｒ…後清掃体室、４８…風路カバー、４９…風路狭窄体、５０…転、５１…電動機室、５１Ｆ…前用電動機室、５１Ｒ…後用電動機室、５２…機械室、５２Ｆ…前用機械室、５２Ｒ…後用機械室、５３…制御室、５５…安全装置室、５７…中継管、５９…ブラシ毛、６１…主動歯車、６２…従動歯車、６３…ベルト、６５…隔壁、６５Ｆ…前隔壁、６５Ｒ…後隔壁、６６…除塵突起、６６Ｆ…前突起、６６Ｒ…後突起、６８…湾曲面、７１…傾斜面、７２…案内面、７３…孔、７５…突出部、８１…開閉器、８２…検知部、８３…操作片、８５…阻止部、８６…軸部、８７…弾性部材、９１…ブラケット、９２…支持軸、９３…ローラー、９５…ストッパー片、９５ａ…基端部、９５ｂ…自由端部、９６…球体、９９…一体成形部材。 1 ... Electric vacuum cleaner, 11 ... Handle, 12 ... Vacuum cleaner body, 13 ... Secondary battery, 15 ... Extension tube, 16 ... Suction port, 17 ... Body case, 17a ... First half, 17b ... Second half, 18 ... Electric blower, 19 ... Dust separation and dust collection unit, 21 ... Main unit control unit, 23 ... Main unit connection port, 26 ... Input unit, 26a ... Operation start switch, 26b ... Operation stop switch, 26c ... Brush switch, 27 ... Suction port, 28 ... rotary cleaning body, 28F ... front cleaning body, 28R ... rear cleaning body, 29 ... electric motor, 29a ... output shaft, 29F ... front electric motor, 29R ... rear electric motor, 31 ... suction port main body, 31a ... bottom surface, 31b ... Bottom plate, 32 ... Connection pipe, 35 ... Lower case, 36 ... Upper case, 38 ... Rotating connection pipe, 39 ... Swing connection pipe, 41 ... Power transmission mechanism, 41F ... Front transmission mechanism, 41R ... Rear transmission mechanism, 42 ... Suction port control unit, 43 ... Safety device, 45 ... Suction room, 46 ... Cleaning body room, 46F ... Front cleaning body room, 46R ... Rear cleaning body room, 48 ... Air passage cover, 49 ... Airway narrowed body, 50 ... Roll, 51 ... Motor room, 51F ... Front motor room, 51R ... Rear motor room, 52 ... Machine room, 52F ... Front machine room, 52R ... Rear machine room, 53 ... Control room, 55 ... Safety device room, 57 ... Relay pipe, 59 ... Brush bristles, 61 ... Main drive gear, 62 ... Driven gear, 63 ... Belt, 65 ... Partition, 65F ... Front partition, 65R ... Rear partition, 66 ... Dust removal Projection, 66F ... Front projection, 66R ... Rear projection, 68 ... Curved surface, 71 ... Inclined surface, 72 ... Guide surface, 73 ... Hole, 75 ... Projection, 81 ... Switch, 82 ... Detection unit, 83 ... Operation piece , 85 ... blocking part, 86 ... shaft part, 87 ... elastic member, 91 ... bracket, 92 ... support shaft, 93 ... roller, 95 ... stopper piece, 95a ... base end part, 95b ... free end part, 96 ... sphere, 99 ... Integrally molded member.

Claims (6)

吸込口と、前記吸込口に繋がる吸込室と、を有する吸込口本体と、
前記吸込口本体に回転可能に支持される回転清掃体と、
前記吸込口本体に収容されて前記回転清掃体の駆動力を発生させる電動機と、
前記吸込口本体に設けられて前記吸込室に流体的に接続される管と、
前記電動機に繋がる給電路を開閉する開閉器と、
前記吸込口本体の接地面に対する突出量を変化可能であり、前記吸込口本体が前記吸込口を被掃除面に向けて接地しているか否かを検出する検知部と、
前記吸込口本体が前記吸込口を前記被掃除面に向けて接地していることを前記検知部が検知している場合には、前記開閉器を閉じて前記電動機を駆動させる操作片と、
前記吸込口本体が反転した場合に、前記操作片が前記開閉器を閉じることを阻止する阻止部と、
前記検知部と前記操作片と前記阻止部とを回転一体化させる軸部と、を備え、
前記軸部は、前記管と前記吸込口本体の底板との間に配置され、前記吸込口本体の平面視において前記管を跨いで前記管に交差する方向へ延び、
前記検知部は、前記軸部の一方の端部に設けられ、
前記操作片および前記阻止部は、前記軸部の他方の端部に設けられている吸込口体。 A suction port main body having a suction port and a suction chamber connected to the suction port,
A rotary cleaning body that is rotatably supported by the suction port body,
An electric motor housed in the suction port main body to generate a driving force of the rotary cleaning body, and
A pipe provided in the suction port main body and fluidly connected to the suction chamber,
A switch that opens and closes the power supply path connected to the motor,
A detection unit that can change the amount of protrusion of the suction port main body with respect to the ground contact surface and detects whether or not the suction port main body is in contact with the suction port toward the surface to be cleaned.
When the detection unit detects that the suction port main body is in contact with the suction port toward the surface to be cleaned, an operation piece that closes the switch and drives the electric motor.
A blocking portion that prevents the operation piece from closing the switch when the suction port main body is inverted.
A shaft portion for rotating and integrating the detection unit, the operation piece, and the blocking unit is provided.
The shaft portion is arranged between the pipe and the bottom plate of the suction port main body, and extends in a direction that straddles the pipe and intersects the pipe in a plan view of the suction port main body.
The detection unit is provided at one end of the shaft unit and is provided.
The operation piece and the blocking portion are suction ports provided at the other end of the shaft portion. 前記吸込口本体の幅方向における一方の端部に設けられる前記電動機と、前記吸込口本体の幅方向における他方の端部に設けられる前記電動機と、を含む一対の前記電動機を備える請求項１に記載の吸込口体。 The first aspect of claim 1 comprises a pair of the electric motors including the electric motor provided at one end in the width direction of the suction port main body and the electric motor provided at the other end portion in the width direction of the suction port main body. The suction port body described. 前記軸部のねじり剛性は、前記検知部のねじり剛性、および前記操作片のねじり剛性よりも高い請求項１または２に記載の吸込口体。 The suction port body according to claim 1 or 2, wherein the torsional rigidity of the shaft portion is higher than the torsional rigidity of the detection unit and the torsional rigidity of the operation piece. 前記軸部は、ステンレス鋼である請求項１から３のいずれか１項に記載の吸込口体。 The suction port body according to any one of claims 1 to 3, wherein the shaft portion is made of stainless steel. 記検知部、前記操作片、前記阻止部、および前記軸部は、一体成形部材によって回転一体化されている請求項１から４のいずれか１項に記載の吸込口体。 The suction port body according to any one of claims 1 to 4, wherein the detection unit, the operation piece, the blocking unit, and the shaft unit are rotationally integrated by an integrally molded member. 掃除機本体と、
前記掃除機本体に収容されて負圧を発生させる電動送風機と、
前記電動送風機に流体的に接続される請求項１から５のいずれか１項に記載の吸込口体と、を備える電気掃除機。 With the vacuum cleaner body
An electric blower housed in the vacuum cleaner body to generate negative pressure,
A vacuum cleaner comprising the suction port body according to any one of claims 1 to 5, which is fluidly connected to the electric blower.
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JPH1071112A (en) * 1996-08-29 1998-03-17 Sanyo Electric Co Ltd Sucker for electric cleaner
JP2003219992A (en) * 2002-01-30 2003-08-05 Matsushita Electric Ind Co Ltd Suction nozzle for electric cleaner and electric cleaner using it
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