JP2008132299A - Vacuum cleaner - Google Patents

Vacuum cleaner Download PDF

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Publication number
JP2008132299A
JP2008132299A JP2007072096A JP2007072096A JP2008132299A JP 2008132299 A JP2008132299 A JP 2008132299A JP 2007072096 A JP2007072096 A JP 2007072096A JP 2007072096 A JP2007072096 A JP 2007072096A JP 2008132299 A JP2008132299 A JP 2008132299A
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Japan
Prior art keywords
blade
frictional force
vacuum cleaner
cleaning surface
cleaner according
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Pending
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JP2007072096A
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Japanese (ja)
Inventor
Myeong-Ho Kim
明 虎 金
Sansho Cho
參 鐘 丁
Jeong-Gon Song
貞 坤 宋
Ju-Sang Lee
周 相 李
Jang-Youn Ko
將 然 高
Kyoung-Woung Kim
敬 雄 金
Hak-Bong Lee
學 奉 李
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Samsung Electronics Co Ltd
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Samsung Gwangju Electronics Co Ltd
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Priority claimed from KR1020060118340A external-priority patent/KR100809737B1/en
Priority claimed from KR1020060119837A external-priority patent/KR20080049365A/en
Application filed by Samsung Gwangju Electronics Co Ltd filed Critical Samsung Gwangju Electronics Co Ltd
Publication of JP2008132299A publication Critical patent/JP2008132299A/en
Pending legal-status Critical Current

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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
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • 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
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0666—Nozzles with fixed, e.g. adjustably fixed brushes or the like with tilting, floating or similarly arranged brushes, combs, lips or pads

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

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cleaner capable of selectively jutting out a blade toward a surface to be cleaned, thereby increasing a cleaning efficiency, when the surface to be cleaned has a low friction force, and rotating the blade in a body direction, thereby reducing a traveling load to the cleaner, when the surface to be cleaned has a high friction force. <P>SOLUTION: The vacuum cleaner includes a body of the cleaner, a blade attached to a lower end of the body, and a rotating unit attached to the body so as to rotate the blade. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は掃除機に関し、より詳細には掃除機の下段に取り付けられるブレイドに関する。   The present invention relates to a vacuum cleaner, and more particularly to a blade attached to a lower stage of the vacuum cleaner.

掃除機の底面には、埃と汚物を吸込む吸込み部と、吸込み部と隣接して埃などを集めて掃除効率を高めるための突出形状のブレイドが取り付けられる。   On the bottom surface of the vacuum cleaner, a suction part that sucks dust and dirt, and a protruding blade for collecting dust and the like adjacent to the suction part to improve cleaning efficiency are attached.

図１は、掃除機、特にロボット掃除機の底面を示す図面である。
同図に示すように、ロボット掃除機は、床の埃や汚物を吸込んで除去できるように吸込み口とファンモーター及びフィルタが内部に備えられている掃除機本体１、その掃除機本体１の下側に設けられ掃除機が走行できるように駆動される駆動輪２、その駆動輪２の周辺に設けられ床の埃や汚物を吸込むための吸込み口３、その吸込み口３の内側に回転自在に設けられ床に付着されている埃や汚物を吸い込みやすく掃くアジテーター４、及び前記吸込み口と隣接して吸込み口の方向に汚物を集めるブレイド５を備える。 FIG. 1 is a drawing showing a bottom surface of a vacuum cleaner, particularly a robot cleaner.
As shown in the figure, the robot cleaner includes a vacuum cleaner body 1 having a suction port, a fan motor, and a filter inside so that dust and dirt on the floor can be sucked and removed, and below the vacuum cleaner body 1. Drive wheel 2 provided on the side and driven so that the cleaner can run, suction port 3 provided around the drive wheel 2 for sucking in dust and dirt on the floor, and rotatable inside the suction port 3 An agitator 4 that is provided and easily sweeps dust and dirt adhering to the floor, and a blade 5 that collects dirt in the direction of the suction port adjacent to the suction port.

このようなロボット掃除機は、制御部の制御により掃除機に設けられたセンサ６を用いて掃除領域と障害物を検知し、その掃除領域を走行しつつ掃除面の埃や汚物をアジテーター４が回転しつつ吸込み口に吸込むようになる。このとき除去できなかった埃などは、ブレイド４に引っ掛かり吸込み口の方向に集められ２次吸込まれる。   Such a robot cleaner detects a cleaning area and an obstacle using a sensor 6 provided in the cleaner under the control of the control unit, and the agitator 4 removes dust and dirt on the cleaning surface while traveling in the cleaning area. It will be sucked into the suction port while rotating. The dust that could not be removed at this time is caught by the blade 4 and collected in the direction of the suction port and is secondarily sucked.

しかし、掃除機がカーペットのような摩擦力の高い掃除面を掃除する場合、ブレイドとカーペットとの間の摩擦力により、ブレイドの突出が掃除機の運行に相当の負荷として作用する問題点が発生する。
韓国公開特許第１０−２００５−６８１３８号公報 日本公開特許第０７−１７８０１８号公報 However, when a vacuum cleaner cleans a cleaning surface with high frictional force, such as a carpet, the frictional force between the blade and the carpet causes a problem that the blade protrusion acts as a considerable load on the operation of the cleaner. To do.
Korean Published Patent No. 10-2005-68138 Japanese Published Patent No. 07-178018

本発明は前述の問題点を解決するために提出されたもので、本発明の目的は、摩擦力の小さい掃除面を掃除する場合にはブレイドを掃除面の方に突出させて掃除効率を高め、摩擦力の大きい掃除面を掃除する場合にはブレイドをボディー方向に回転させることで、掃除機が受ける負荷を減少させることにある。   The present invention has been submitted to solve the above-mentioned problems. The object of the present invention is to improve the cleaning efficiency by projecting a blade toward the cleaning surface when cleaning the cleaning surface with a small frictional force. When cleaning a cleaning surface with a high frictional force, the blade is rotated in the body direction to reduce the load on the cleaner.

前述の問題点を解決するための本発明に係る掃除機は、掃除機のボディーと、ボディーの下段に吸込み口と隣接して取り付けられるブレイドと、ブレイドを回転させるための回転ユニットと、を備える。   A vacuum cleaner according to the present invention for solving the above-described problems includes a body of the vacuum cleaner, a blade attached to the lower stage of the body adjacent to the suction port, and a rotating unit for rotating the blade. .

このとき、回転ユニットは掃除面の摩擦力がブレイドとカーペットとの間の第１摩擦力より小さい場合、前記ブレイドを前記掃除面に向けて回転させ、掃除面の摩擦力が前記第１摩擦力より大きい場合、前記ブレイドを前記ボディー方向に回転させることが好ましい。   At this time, when the frictional force of the cleaning surface is smaller than the first frictional force between the blade and the carpet, the rotating unit rotates the blade toward the cleaning surface, and the frictional force of the cleaning surface becomes the first frictional force. If larger, it is preferable to rotate the blade in the body direction.

ここで、第１摩擦力は、複数のカーペットとブレイドとの間の摩擦力値のうち下位２０％の平均摩擦力に決定することができる。   Here, the first friction force can be determined as an average friction force of the lower 20% of the friction force values between the plurality of carpets and the blade.

また、ボディーには前記ブレイドが挿入される収容空間を備える。この収容空間には、前記ブレイドの回転を制限する条が形成されることができる。   In addition, the body includes an accommodation space into which the blade is inserted. A strip that restricts rotation of the blade may be formed in the housing space.

回転ユニットは、前記ブレイドの一端に形成される回転軸と、前記ブレイドの回転軸が差し込まれる前記ボディーの結合孔と、一端は前記回転軸に結合し他端は前記ボディーに結合する弾性部材と、を備えることができる。   The rotating unit includes a rotating shaft formed at one end of the blade, a coupling hole of the body into which the rotating shaft of the blade is inserted, an elastic member having one end coupled to the rotating shaft and the other coupled to the body. Can be provided.

前記弾性部材の弾性力は、前記ブレイドとカーペットとの間の第１摩擦力の以下であり、前記ブレイドと床面との間の第２摩擦力の以上であることが好ましい。   The elastic force of the elastic member is preferably equal to or less than the first frictional force between the blade and the carpet and equal to or greater than the second frictional force between the blade and the floor surface.

ここで、第２摩擦力は、複数の床面とブレイドとの間の摩擦力値のうち上位２０％の平均摩擦力に決定することができる。   Here, the second friction force can be determined as the average friction force of the upper 20% of the friction force values between the plurality of floor surfaces and the blade.

最も好ましくは、弾性部材の弾性力は、前記ブレイドとカーペットとの間の第１摩擦力である。   Most preferably, the elastic force of the elastic member is a first frictional force between the blade and the carpet.

前記弾性部材は、渦巻ばねであることが好ましい。
前記ブレイドには、前記渦巻ばねの一端が差し込まれる溝が形成されることができる。 The elastic member is preferably a spiral spring.
A groove into which one end of the spiral spring is inserted may be formed in the blade.

または、前記回転ユニットは前記ボディーに回転自在に結合される回転軸と、前記回転軸に一端が固定されブレイドが取り付けられるフレームと、一端は前記フレームに結合し他端は前記ボディーに結合した弾性部材と、を備えることができる。
このとき、前記弾性部材は、ばねであることが好ましい。 Alternatively, the rotating unit has a rotating shaft rotatably coupled to the body, a frame having one end fixed to the rotating shaft and a blade attached thereto, one end coupled to the frame and the other end coupled to the body. And a member.
At this time, the elastic member is preferably a spring.

本発明の目的は、掃除機のボディーと、前記ボディーの下段に吸込み口と隣接して取り付けられ、掃除面の摩擦力の大きさに応じて掃除面に対する角度が調節されるブレイドと、を備える掃除機によっても達成することができる。   An object of the present invention includes a body of a vacuum cleaner, and a blade that is attached to a lower stage of the body adjacent to a suction port, and an angle with respect to the cleaning surface is adjusted according to the magnitude of the frictional force of the cleaning surface. It can also be achieved by a vacuum cleaner.

このとき、ブレイドは、掃除面の摩擦力がブレイドとカーペットとの間の第１摩擦力より小さい場合、前記掃除面に対して垂直方向に回転され、掃除面の摩擦力が前記第１摩擦力より大きい場合、前記ボディー方向に回転されることが好ましい。   At this time, when the frictional force of the cleaning surface is smaller than the first frictional force between the blade and the carpet, the blade is rotated in a direction perpendicular to the cleaning surface, and the frictional force of the cleaning surface is changed to the first frictional force. If larger, it is preferably rotated in the body direction.

ボディーには、ブレイドが挿入される収容空間が設けられることができる。
また、収容空間には、ブレイドの回転を制限する条が形成されることが好ましい。 The body can be provided with a receiving space into which the blade is inserted.
Moreover, it is preferable that the accommodation space is formed with a strip that restricts rotation of the blade.

前述した本発明に係る掃除機の構成によると、摩擦力の小さい掃除面を掃除する場合にはブレイドが掃除面の方に回転して掃除面の汚物を収去することで掃除効率を高め、摩擦力の大きい掃除面を掃除する場合にはブレイドがボディー側に回転して摩擦力を減少させることで掃除機が受ける負荷を減らすことができる。   According to the configuration of the vacuum cleaner according to the present invention described above, when cleaning a cleaning surface with a small frictional force, the blade rotates toward the cleaning surface and removes dirt on the cleaning surface, thereby increasing the cleaning efficiency. When cleaning a cleaning surface having a large frictional force, the blade is rotated toward the body side to reduce the frictional force, thereby reducing the load on the cleaner.

以下、添付の図面に基づいて本発明の実施形態を説明する。
図２Ａは本発明に係る掃除機のうちブレイド部分を示す斜視図であり、図２Ｂはブレイドのみ拡大した斜視図である。図２Ａおよび図２Ｂに示すように、本発明に係る掃除機は、掃除機のボディー２１の下段に取付けられ掃除面の汚物を吸込むための吸込み口２２に隣接して取り付けられるブレイド２３、ブレイド２３を回転させるための回転ユニット２４、及び前記ブレイドが挿入されるようにボディーに形成された収容空間２５を備える。 Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
FIG. 2A is a perspective view showing a blade portion of the vacuum cleaner according to the present invention, and FIG. 2B is an enlarged perspective view of only the blade. As shown in FIGS. 2A and 2B, the vacuum cleaner according to the present invention is attached to the lower stage of the body 21 of the vacuum cleaner and is adjacent to a suction port 22 for sucking in dirt on the cleaning surface. And a housing unit 25 formed in the body so that the blade is inserted.

回転ユニット２４は、前記ブレイド２３の両端に形成される回転軸２３ａ、回転ユニットの回転軸２３ａが差し込まれる前記ボディーの結合孔２１ａ、及び一端はブレイド２３に結合し他端はボディー２１に結合する弾性部材である渦巻ばね２６を備える。渦巻ばね２６は、一端はボディーに結合し他端はブレイド２３に形成された溝２３ｂに差し込まれることにより、ブレイド２３に回転力を付与する。また、ブレイド２３が挿入される収容空間２５には前記ブレイド２３の回転を制限する条２５ａ（図３Ａ参照）が形成される。   The rotating unit 24 includes a rotating shaft 23 a formed at both ends of the blade 23, a coupling hole 21 a of the body into which the rotating shaft 23 a of the rotating unit is inserted, one end coupled to the blade 23, and the other end coupled to the body 21. A spiral spring 26 which is an elastic member is provided. One end of the spiral spring 26 is coupled to the body and the other end is inserted into a groove 23 b formed in the blade 23, thereby applying a rotational force to the blade 23. Further, a strip 25a (see FIG. 3A) for limiting the rotation of the blade 23 is formed in the accommodation space 25 into which the blade 23 is inserted.

前記渦巻ばね２６の弾性力は、ブレイド２３とカーペットとの間の第１摩擦力より小さく、ブレイドと床面との間の第２摩擦力より大きくなるように設定される。従って、回転ユニット２４は、掃除面の摩擦力が前記第１摩擦力より小さい場合はブレイド２３を掃除面に向けて回転させ、掃除面の摩擦力が前記第１摩擦力より大きい場合はブレイド２３を前記ボディー２１の方向に回転させる。   The elastic force of the spiral spring 26 is set to be smaller than the first frictional force between the blade 23 and the carpet and larger than the second frictional force between the blade and the floor surface. Accordingly, the rotating unit 24 rotates the blade 23 toward the cleaning surface when the frictional force on the cleaning surface is smaller than the first frictional force, and the blade 23 when the frictional force on the cleaning surface is larger than the first frictional force. Is rotated in the direction of the body 21.

図３Ａは、掃除面３１の摩擦力が第１摩擦力より小さい場合、たとえば滑らかな床面の場合にブレイド２３の作動を示した図面である。掃除面３１の摩擦力が小さい場合、ブレイド２３は渦巻ばね２６の回転力により掃除面３１の方向に回転し、このとき条２５ａによりブレイド２３は掃除面３１に対して垂直状態を保つ。これにより、ブレイド２３は掃除面にある埃や汚物を集める。   FIG. 3A is a diagram showing the operation of the blade 23 when the frictional force of the cleaning surface 31 is smaller than the first frictional force, for example, in the case of a smooth floor surface. When the frictional force of the cleaning surface 31 is small, the blade 23 rotates in the direction of the cleaning surface 31 by the rotational force of the spiral spring 26. At this time, the blade 23 is kept perpendicular to the cleaning surface 31 by the strip 25a. Thereby, the blade 23 collects dust and dirt on the cleaning surface.

図３Ｂは、掃除面の摩擦力が第１摩擦力より大きい場合、たとえばカーペット３２の場合に掃除機のブレイド２３の作動を示した図面である。この場合、ブレイド２３とカーペット３２からとの摩擦力が渦巻ばね２６による回転力により大きくなり、ブレイド２３がボディー２１の方向に回転し、収容空間２５内に挿入される。これにより、ブレイド２３は掃除面３２と斜めに接触し、掃除機が受ける負荷を減少させることが可能になる。   FIG. 3B shows the operation of the blade 23 of the cleaner when the frictional force of the cleaning surface is larger than the first frictional force, for example, in the case of the carpet 32. In this case, the frictional force between the blade 23 and the carpet 32 is increased by the rotational force of the spiral spring 26, and the blade 23 rotates in the direction of the body 21 and is inserted into the accommodation space 25. Thereby, the blade 23 contacts with the cleaning surface 32 at an angle, and it becomes possible to reduce the load which a cleaner receives.

図４Ａは、本発明に係る他の実施形態の掃除機のうちブレイド部分の断面図を示す図面である。   FIG. 4A is a cross-sectional view of a blade portion of a vacuum cleaner according to another embodiment of the present invention.

同図に示すように、本発明に係る掃除機は、掃除機のボディー１１１、前記ボディー１１１の下段に形成され、掃除面の汚物を吸込むための吸込み口（図示せず）に隣接して取り付けられるブレイド１１２、及び前記ボディー１１１に取り付けられる回転軸を中心に前記ブレイド１１２を回転させるための回転ユニット１１３を備える。前記回転ユニット１１３を収容するために、ボディー１１１には収容空間１１４が形成される。収容空間１１４には回転ユニット１１３の動きを制限するための条１１４ａが設けられている。   As shown in the figure, the vacuum cleaner according to the present invention is attached to a body 111 of the vacuum cleaner, formed below the body 111 and adjacent to a suction port (not shown) for sucking dirt on the cleaning surface. And a rotation unit 113 for rotating the blade 112 around a rotation shaft attached to the body 111. A housing space 114 is formed in the body 111 for housing the rotating unit 113. The accommodation space 114 is provided with a strip 114a for restricting the movement of the rotary unit 113.

回転ユニット１１３は、前記ボディー１１１に回転自在に結合される回転軸１１７、前記回転軸１１７に一端が固定されブレイド１１２が取り付けられる回転フレーム１１５、一端は回転フレーム１１５に結合し他端は前記ボディー１１１の収容空間１１４の底面に結合する弾性部材であるばね１１６を備える。回転フレーム１１５にはブレイド１１２が垂直に取付けられる溝１１５ａが形成される。   The rotating unit 113 includes a rotating shaft 117 rotatably connected to the body 111, a rotating frame 115 having one end fixed to the rotating shaft 117 and attached with a blade 112, one end connected to the rotating frame 115, and the other end connected to the body. A spring 116 which is an elastic member coupled to the bottom surface of the accommodating space 114 of 111 is provided. The rotating frame 115 is formed with a groove 115a in which the blade 112 is vertically attached.

また図４Ａは、掃除面１１８の摩擦力が第１摩擦力より小さい場合、たとえば滑らかな床面の場合にブレイド１１２の作動を示した図面である。掃除面１１８の摩擦力が小さい場合、回転フレーム１１５はばね１１６の引張力により掃除面１１８の方向に回転し、このとき条１１４ａにより回転フレーム１１５は掃除面１１８に対して水平状態を保つ。これにより、回転フレーム１１５に取り付けられたブレイド１１２は掃除面に対して垂直方向に保ち、掃除面にある埃や汚物を集める。   FIG. 4A is a diagram illustrating the operation of the blade 112 when the frictional force of the cleaning surface 118 is smaller than the first frictional force, for example, in the case of a smooth floor surface. When the frictional force of the cleaning surface 118 is small, the rotating frame 115 rotates in the direction of the cleaning surface 118 by the tensile force of the spring 116. At this time, the rotating frame 115 is kept horizontal with respect to the cleaning surface 118 by the strip 114a. As a result, the blade 112 attached to the rotating frame 115 is kept perpendicular to the cleaning surface and collects dust and dirt on the cleaning surface.

図４Ｂは、掃除面の摩擦力が第１摩擦力より大きい場合、たとえばカーペット１２１の場合に掃除機のブレイド１１２の作動を示した図面である。この場合、ブレイド１１２とカーペット１２１との摩擦力が回転フレーム１１５の回転力により大きくなり、ばね１１６が圧縮され、これにより回転フレーム１１５がボディー１１１の方向に回転し、収容空間１１４内に挿入される。これにより、回転フレーム１１５に取り付けられたブレイド１１２が掃除面１２１と斜めに接触し、掃除機が受ける負荷を減少させることが可能になる。   FIG. 4B is a diagram illustrating the operation of the blade 112 of the cleaner when the frictional force of the cleaning surface is greater than the first frictional force, for example, in the case of the carpet 121. In this case, the frictional force between the blade 112 and the carpet 121 is increased by the rotational force of the rotating frame 115, and the spring 116 is compressed, whereby the rotating frame 115 rotates in the direction of the body 111 and is inserted into the accommodation space 114. The As a result, the blade 112 attached to the rotating frame 115 makes contact with the cleaning surface 121 at an angle, and the load on the cleaner can be reduced.

ブレイドが回転される第１摩擦力の大きさは、市販される複数のカーペットと実施形態において使われたブレイドとの間の摩擦力を測定して決定する。すなわち、複数のカーペットとブレイドとの間の摩擦力を測定し、そのうち、例えば下位２０％の平均摩擦力を第１摩擦力として決定することができる。このような方式に第１摩擦力を決定すれば、市販される大体のカーペット上でブレイドが回転できるようになる。   The magnitude of the first frictional force by which the blade is rotated is determined by measuring the frictional force between a plurality of commercially available carpets and the blade used in the embodiment. That is, the frictional force between the plurality of carpets and the blade is measured, and among them, for example, the lower 20% average frictional force can be determined as the first frictional force. If the first frictional force is determined in such a manner, the blade can be rotated on most commercially available carpets.

また、第２摩擦力の大きさは、市販される複数の床面とブレイドとの間の摩擦力を測定し、そのうち、例えば上位２０％の平均摩擦力を第２摩擦力として決定することができる。このような方式に第２摩擦力を決定すれば、市販される大体の床面上でブレイドが垂直位置を保つことができるようになる。   In addition, the magnitude of the second frictional force can be determined by measuring the frictional force between a plurality of commercially available floor surfaces and the blade, and, for example, the average frictional force of the top 20% can be determined as the second frictional force. it can. If the second frictional force is determined in such a manner, the blade can be kept in a vertical position on a commercially available floor surface.

第１摩擦力と第２摩擦力が決定されれば、ばねの弾性力は、第１摩擦力の以上、第２摩擦力の以下となるように設定する。最も好ましくはばねの弾性を第１摩擦力と均衡をなすようにすることが良い。   If the first friction force and the second friction force are determined, the elastic force of the spring is set so as to be equal to or greater than the first friction force and equal to or less than the second friction force. Most preferably, the elasticity of the spring is balanced with the first frictional force.

以上、本発明をロボット掃除機に適用された実施形態について説明したが、ロボット掃除機に限られず一般掃除機にも同様の構成により適用することができる。   As mentioned above, although embodiment which applied this invention to the robot cleaner was described, it is not restricted to a robot cleaner, It can apply to a general cleaner with the same structure.

本発明は、掃除機に適用することができる。   The present invention can be applied to a vacuum cleaner.

一般掃除機、特にロボット掃除機の底面を示す図である。It is a figure which shows the bottom face of a general cleaner, especially a robot cleaner. 本発明の一実施形態に係る掃除機の底面のうちブレイドが取り付けられる部分の斜視図である。It is a perspective view of the part where a braid is attached among the bottoms of the cleaner concerning one embodiment of the present invention. 図２Ａの実施形態においてブレイドを拡大した斜視図である。It is the perspective view which expanded the blade in embodiment of FIG. 2A. 図２Ａの実施形態において、掃除面の摩擦力が小さい場合にブレイドの作動を示す図である。In the embodiment of FIG. 2A, it is a figure which shows the action | operation of a blade when the frictional force of a cleaning surface is small. 図２Ａの実施形態において、掃除面の摩擦力が大きい場合にブレイドの作動を示す図である。In the embodiment of FIG. 2A, it is a figure which shows the action | operation of a braid when the frictional force of a cleaning surface is large. 本発明の他の実施形態に係る掃除機のうちブレイド部分の断面図を示す図および掃除面の摩擦力が小さい場合にブレイドの作動を示す図である。It is a figure which shows sectional drawing of a braid | blade part among the cleaners which concern on other embodiment of this invention, and a figure which shows the action | operation of a braid when the frictional force of a cleaning surface is small. 図４Ａの実施形態において、掃除面の摩擦力が大きい場合にブレイドの作動を示す図である。In the embodiment of FIG. 4A, it is a figure which shows the action | operation of a blade when the frictional force of a cleaning surface is large.

符号の説明Explanation of symbols

２３ ブレイド
２４ 回転ユニット
２５ 収容空間
２６ 渦巻ばね
３１ 床面
３２ カーペット 23 Blade 24 Rotating unit 25 Housing space 26 Spiral spring 31 Floor 32 Carpet

Claims (17)

掃除機のボディーと、
前記ボディーの下段に吸込み口と隣接して取り付けられるブレイドと、
前記ブレイドを回転させるための回転ユニットと、を備えることを特徴とする掃除機。 The body of the vacuum cleaner,
A blade attached to the lower part of the body adjacent to the suction port;
And a rotating unit for rotating the blade. 前記回転ユニットは掃除面の摩擦力がブレイドとカーペットとの間の第１摩擦力より小さい場合、前記ブレイドを前記掃除面に向けて回転させ、
掃除面の摩擦力が前記第１摩擦力より大きい場合、前記ブレイドを前記ボディー方向に回転させることを特徴とする請求項１に記載の掃除機。 When the frictional force of the cleaning surface is smaller than the first frictional force between the blade and the carpet, the rotating unit rotates the blade toward the cleaning surface,
The cleaner according to claim 1, wherein when the frictional force of the cleaning surface is larger than the first frictional force, the blade is rotated in the body direction. 前記第１摩擦力は、複数のカーペットとブレイドとの間の摩擦力値のうち下位２０％の平均摩擦力に決定することを特徴とする請求項２に記載の掃除機。   The vacuum cleaner according to claim 2, wherein the first frictional force is determined as an average frictional force of the lower 20% of frictional force values between the plurality of carpets and the blade. 前記ボディーには、前記ブレイドが挿入される収容空間が設けられたことを特徴とする請求項１に記載の掃除機。   The vacuum cleaner according to claim 1, wherein the body is provided with a storage space into which the blade is inserted. 前記収容空間には、前記ブレイドの回転を制限する条が形成されたことを特徴とする請求項４に記載の掃除機。   The vacuum cleaner according to claim 4, wherein a strip for limiting rotation of the blade is formed in the housing space. 前記回転ユニットは前記ブレイドに形成される回転軸と、
前記ブレイドの回転軸が差し込まれる前記ボディーの結合孔と、
一端は前記ブレイドに結合し他端は前記ボディーに結合する弾性部材と、を備えることを特徴とする請求項１に記載の掃除機。 The rotating unit includes a rotating shaft formed on the blade;
A coupling hole of the body into which the rotational axis of the blade is inserted;
The vacuum cleaner according to claim 1, further comprising: an elastic member having one end coupled to the blade and the other end coupled to the body. 前記弾性部材の弾性力は、前記ブレイドとカーペットとの間の第１摩擦力の以下であり、前記ブレイドと床面との間の第２摩擦力の以上であることを特徴とする請求項６に記載の掃除機。   The elastic force of the elastic member is equal to or less than a first frictional force between the blade and the carpet and is equal to or greater than a second frictional force between the blade and a floor surface. Vacuum cleaner as described in. 前記第２摩擦力は、複数の床面とブレイドとの間の摩擦力値のうち上位２０％の平均摩擦力に決定することを特徴とする請求項７に記載の掃除機。   The vacuum cleaner according to claim 7, wherein the second frictional force is determined as an average frictional force of the upper 20% among frictional force values between a plurality of floor surfaces and blades. 前記弾性部材の弾性力は、前記ブレイドとカーペットとの間の第１摩擦力であることを特徴とする請求項６に記載の掃除機。   The vacuum cleaner according to claim 6, wherein the elastic force of the elastic member is a first frictional force between the blade and the carpet. 前記弾性部材は、渦巻ばねであることを特徴とする請求項９に記載の掃除機。   The vacuum cleaner according to claim 9, wherein the elastic member is a spiral spring. 前記ブレイドには、前記渦巻ばねの一端が差し込まれる溝が形成されたことを特徴とする請求項１０に記載の掃除機。   The vacuum cleaner according to claim 10, wherein a groove into which one end of the spiral spring is inserted is formed in the blade. 前記回転ユニットは前記ボディーに回転自在に結合される回転軸と、
前記回転軸に一端が固定されブレイドが取り付けられるフレームと、
一端は前記フレームに結合し他端は前記ボディーに結合した弾性部材と、を備えることを特徴とする請求項１に記載の掃除機。 The rotating unit is a rotating shaft rotatably coupled to the body;
A frame on which one end is fixed to the rotating shaft and a blade is attached;
The vacuum cleaner according to claim 1, further comprising: an elastic member having one end coupled to the frame and the other end coupled to the body. 前記弾性部材は、ばねであることを特徴とする請求項１２に記載の掃除機。   The vacuum cleaner according to claim 12, wherein the elastic member is a spring. 掃除機のボディーと、
前記ボディーの下段に吸込み口と隣接して取り付けられ、掃除面の摩擦力の大きさに応じて掃除面に対する角度が調節されるブレイドと、を備えることを特徴とする掃除機。 The body of the vacuum cleaner,
A vacuum cleaner, comprising: a blade attached to a lower stage of the body adjacent to the suction port, and a blade whose angle with respect to the cleaning surface is adjusted according to the magnitude of the frictional force of the cleaning surface. 前記ブレイドは、
掃除面の摩擦力が前記ブレイドとカーペットとの間の第１摩擦力より小さい場合、前記掃除面に対して垂直方向に回転され、
掃除面の摩擦力が前記第１摩擦力より大きい場合、前記ボディー方向に回転されることを特徴とする請求項１４に記載の掃除機。 The blade is
If the frictional force of the cleaning surface is smaller than the first frictional force between the blade and the carpet, it is rotated in a direction perpendicular to the cleaning surface;
The cleaner according to claim 14, wherein when the frictional force of the cleaning surface is larger than the first frictional force, the cleaning surface is rotated in the body direction. 前記ボディーには、前記ブレイドが挿入される収容空間が設けられたことを特徴とする請求項１４に記載の掃除機。   The vacuum cleaner according to claim 14, wherein the body is provided with a receiving space into which the blade is inserted. 前記収容空間には、前記ブレイドの回転を制限する条が形成されたことを特徴とする請求項１６に記載の掃除機。   The vacuum cleaner according to claim 16, wherein a strip for limiting rotation of the blade is formed in the housing space.
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