JP5184470B2 - Electric vacuum cleaner - Google Patents
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- JP5184470B2 JP5184470B2 JP2009206570A JP2009206570A JP5184470B2 JP 5184470 B2 JP5184470 B2 JP 5184470B2 JP 2009206570 A JP2009206570 A JP 2009206570A JP 2009206570 A JP2009206570 A JP 2009206570A JP 5184470 B2 JP5184470 B2 JP 5184470B2
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Description
本発明は、伸縮可能な延長管を有する電気掃除機に関する。 The present invention relates to a vacuum cleaner having an extendable tube that can be expanded and contracted.
従来の電気掃除機は特許文献１に開示されている。この電気掃除機は吸込口を有する吸込口体に延長管が接続され、電動送風機を内装する本体部と延長管との間が可撓性の接続ホースにより接続される。延長管は外パイプの内部に内パイプを配して内パイプが軸方向に移動することにより伸縮自在になっている。 A conventional vacuum cleaner is disclosed in Patent Document 1. In this vacuum cleaner, an extension pipe is connected to a suction port body having a suction port, and a main body part that houses the electric blower and the extension pipe are connected by a flexible connection hose. The extension pipe can be expanded and contracted by arranging the inner pipe inside the outer pipe and moving the inner pipe in the axial direction.
内パイプは軸方向に並ぶ複数の係合溝が下方に面した外周面に設けられ、外パイプ内に固定された連結パイプ（保持部材）に内嵌して軸方向に移動可能になっている。連結パイプは係合溝に対面する孔部が形成され、外周面に沿って軸方向に垂直な方向に移動可能な伸縮ストッパ（ホルダー部材）が取り付けられる。 The inner pipe is provided with a plurality of engaging grooves arranged in the axial direction on the outer peripheral surface facing downward, and is fitted in a connecting pipe (holding member) fixed in the outer pipe so as to be movable in the axial direction. . The connecting pipe is formed with a hole facing the engaging groove, and an expansion / contraction stopper (holder member) that can move in the direction perpendicular to the axial direction along the outer peripheral surface is attached.
伸縮ストッパは孔部を介して係合溝に係合する突起部が設けられる。伸縮ストッパの突起部と反対側の上方に面した外周面には使用者が押圧する操作ボタンが一体に設けられ、外パイプには操作ボタンが貫通する開口部が形成される。また、伸縮ストッパは突起部が係合溝に係合する方向に付勢されている。 The expansion / contraction stopper is provided with a protrusion that engages with the engagement groove through the hole. An operation button pressed by the user is integrally provided on an outer peripheral surface facing the upper side opposite to the protruding portion of the telescopic stopper, and an opening through which the operation button passes is formed in the outer pipe. The telescopic stopper is urged in the direction in which the protruding portion engages with the engaging groove.
上記構成の電気掃除機において、操作ボタンを手指で押圧して突起部と係合溝との係合が解除された状態で、内パイプが連結パイプ内を摺動して外パイプに対して出し入れされる。操作ボタンから手指を離すと伸縮ストッパが付勢されて突起部が孔部を介して係合溝に係合する。これにより、延長管を所望の長さに調節して掃除を行うことができる。 In the vacuum cleaner configured as described above, the inner pipe slides in and out of the outer pipe while the operation button is pressed with a finger and the engagement between the protrusion and the engagement groove is released. Is done. When the finger is released from the operation button, the expansion / contraction stopper is urged, and the protrusion engages with the engagement groove through the hole. Thereby, cleaning can be performed by adjusting the extension pipe to a desired length.
この時、操作ボタンが上方に配され、係合溝が下方に配される。このため、操作性がよく、内パイプの係合溝を使用者から見えにくくして美感を向上することができる。 At this time, the operation button is arranged upward, and the engagement groove is arranged downward. For this reason, the operability is good, and the engaging groove of the inner pipe can be made difficult to see from the user, and the aesthetics can be improved.
しかしながら、上記従来の電気掃除機によると、延長管を組立てる際に操作ボタンと一体の伸縮ストッパは連結パイプに取り付けられ、伸縮ストッパを押し下げた状態で外パイプ内に挿通される。そして、操作ボタンが開口部に面して配されると付勢により操作ボタンが開口部から突出し、連結パイプがネジ止め等により固定される。操作ボタンは開口部から突出した長さのストロークを有し、操作ボタンのストロークの範囲で係合溝と突起部とが係脱する。 However, according to the conventional vacuum cleaner, when the extension pipe is assembled, the expansion / contraction stopper integrated with the operation button is attached to the connecting pipe, and is inserted into the outer pipe while the expansion / contraction stopper is pressed down. When the operation button is arranged facing the opening, the operation button protrudes from the opening by urging, and the connecting pipe is fixed by screwing or the like. The operation button has a stroke of a length protruding from the opening, and the engagement groove and the protrusion are engaged and disengaged within the range of the operation button stroke.
この時、操作ボタンのストロークは伸縮ストッパの可動距離に対して外パイプの肉厚分だけ短くなる。このため、係合溝と突起部との係合深さを大きく確保することができず、内パイプに軸方向の荷重が加えられた際に突起部が係合溝から脱落して利便性が悪くなる問題があった。また、操作ボタンの開口部からの突出量が短いため、操作性が悪い問題もあった。 At this time, the stroke of the operation button is shortened by the thickness of the outer pipe with respect to the movable distance of the telescopic stopper. For this reason, the engagement depth between the engagement groove and the protrusion cannot be ensured to be large, and when the axial load is applied to the inner pipe, the protrusion is dropped from the engagement groove for convenience. There was a problem that got worse. Moreover, since the protrusion amount from the opening part of the operation button is short, there also exists a problem that operativity is bad.
本発明は、利便性及び操作性を向上できる電気掃除機を提供することを目的とする。 An object of this invention is to provide the vacuum cleaner which can improve the convenience and operativity.
上記目的を達成するために本発明は、電動送風機を内装する本体部と、床面に対峙する吸込口を有した吸込口体と、前記本体部と前記吸込口体との間に配された伸縮自在の延長管とを備えた電気掃除機において、前記延長管が、軸方向に並ぶ複数の係合溝を外周面に有する内パイプと、前記内パイプを軸方向に移動可能に内嵌して前記係合溝に対面する孔部を開口した連結パイプと、前記連結パイプの外周に取り付けられて前記連結パイプの軸方向に垂直な方向に可動するとともに前記孔部を介して前記係合溝に係合する突起部を有した伸縮ストッパと、前記伸縮ストッパの前記突起部と反対側の面に取り付けられて使用者の押圧により前記突起部と前記係合溝との係合を解除する操作ボタンと、前記突起部を前記係合溝に係合させる方向に前記伸縮ストッパを前記操作ボタンとともに付勢する付勢部と、前記連結パイプを内面に固定して前記操作ボタンが貫通する開口部を設けた外パイプとを有し、前記操作ボタンが前記開口部を介して前記伸縮ストッパに取り付けられることを特徴としている。 In order to achieve the above-mentioned object, the present invention is arranged between a main body part that houses an electric blower, a suction port body having a suction port facing the floor surface, and the main body part and the suction port body. In a vacuum cleaner provided with a telescopic extension tube, the extension tube is internally fitted with an inner pipe having a plurality of engaging grooves arranged in the axial direction on the outer peripheral surface, and the inner pipe is movable in the axial direction. A connecting pipe having a hole facing the engaging groove, and an outer periphery of the connecting pipe which is attached to the outer periphery of the connecting pipe and is movable in a direction perpendicular to the axial direction of the connecting pipe and through the hole. An expansion / contraction stopper having a protrusion that engages with the protrusion, and an operation that is attached to a surface of the expansion / contraction stopper opposite to the protrusion and that releases the engagement between the protrusion and the engagement groove by a user's pressing. In a direction to engage the button and the protrusion with the engagement groove An urging portion that urges the expansion / contraction stopper together with the operation button, and an outer pipe provided with an opening through which the operation button passes and the connection pipe is fixed to the inner surface. It is characterized by being attached to the telescopic stopper via
この構成によると、電動送風機の駆動により床面の塵埃が吸込口体の吸込口から吸い込まれ、延長管を介して本体部に導かれて集塵される。延長管の内パイプは外パイプ内に固定された連結パイプに内嵌して軸方向に移動し、複数の係合溝が軸方向に並設される。連結パイプの外周面には軸方向に垂直な方向に可動の伸縮ストッパが取り付けられる。伸縮ストッパは対向する位置に突起部及び操作ボタンが設けられ、付勢部によって操作ボタンを押し上げる方向に付勢される。突起部は付勢部の付勢によって連結パイプに設けた孔部を介して係合溝に係合し、外パイプの開口部を貫通して突出する操作ボタンの押圧によって係合溝との係合が解除される。操作ボタンを手指により押圧して内パイプを外パイプに対して出し入れし、所望の位置で操作ボタンから手指を離すことにより突起部が係合溝に係合して内パイプが固定される。延長管の組立て持には伸縮ストッパを外パイプに挿入した後に開口部を介して操作ボタンが伸縮ストッパに取り付けられる。 According to this configuration, the dust on the floor surface is sucked from the suction port of the suction port body by driving the electric blower, and is guided to the main body through the extension pipe and collected. The inner pipe of the extension pipe is fitted in a connecting pipe fixed in the outer pipe and moves in the axial direction, and a plurality of engaging grooves are arranged in parallel in the axial direction. A telescopic stopper movable in the direction perpendicular to the axial direction is attached to the outer peripheral surface of the connecting pipe. The telescopic stopper is provided with a projection and an operation button at a position facing each other, and is urged in a direction to push up the operation button by the urging unit. The protrusion engages with the engagement groove through a hole provided in the connecting pipe by the urging portion of the urging portion, and engages with the engagement groove by pressing the operation button protruding through the opening of the outer pipe. The match is released. The operation button is pressed with a finger to move the inner pipe into and out of the outer pipe, and when the finger is released from the operation button at a desired position, the protrusion is engaged with the engagement groove, and the inner pipe is fixed. For assembling and holding the extension pipe, the operation button is attached to the expansion / contraction stopper through the opening after the expansion / contraction stopper is inserted into the outer pipe.
また本発明は、上記構成の電気掃除機において、前記伸縮ストッパを可動範囲の前記開口部から離れた端部に配したときに前記操作ボタンが前記開口部内に配されることを特徴としている。 According to the present invention, in the electric vacuum cleaner having the above-described configuration, the operation button is disposed in the opening when the telescopic stopper is disposed at an end of the movable range away from the opening.
また本発明は、上記構成の電気掃除機において、前記伸縮ストッパを可動範囲の前記開口部から離れた端部に配したときに前記操作ボタンが前記開口部よりも突出することを特徴としている。 According to the present invention, in the vacuum cleaner configured as described above, the operation button protrudes from the opening when the telescopic stopper is disposed at an end of the movable range away from the opening.
また本発明は、上記構成の電気掃除機において、前記操作ボタンは対向する二面の下端を広げて前記伸縮ストッパに係合される係合部を有して前記伸縮ストッパに係着されるとともに前記開口部から該下端が露出し、前記操作ボタンの下端を覆って前記操作ボタンの上部が挿通される挿通孔を有した外パイプカバーを設けるとともに、前記伸縮ストッパを可動範囲の前記開口部から離れた端部に配したときに前記操作ボタンが前記挿通孔内に配されることを特徴としている。 According to the present invention, in the electric vacuum cleaner having the above-described configuration, the operation button has an engagement portion that is engaged with the expansion / contraction stopper by expanding the lower ends of two opposing surfaces and is engaged with the expansion / contraction stopper. The lower end is exposed from the opening, and an outer pipe cover having an insertion hole through which the upper part of the operation button is inserted is provided so as to cover the lower end of the operation button, and the telescopic stopper is provided from the opening of the movable range. The operation button is arranged in the insertion hole when arranged at a remote end.
この構成によると、操作ボタンは下端を広げられて係合部によって伸縮ストッパに係着される。操作ボタンの下端は開口部から露出して外パイプカバーにより覆われ、操作ボタンの上部が外パイプカバーの挿通孔を貫通して突出する。外パイプカバーを外して開口部を介して手指により操作ボタンの下端を広げると操作ボタンを伸縮ストッパから取り外すことができ、延長管を容易に分解できる。 According to this configuration, the operation button has its lower end widened and is engaged with the expansion / contraction stopper by the engaging portion. The lower end of the operation button is exposed from the opening and covered with the outer pipe cover, and the upper portion of the operation button protrudes through the insertion hole of the outer pipe cover. When the outer pipe cover is removed and the lower end of the operation button is expanded by fingers through the opening, the operation button can be removed from the telescopic stopper, and the extension tube can be easily disassembled.
また本発明は、上記構成の電気掃除機において、前記伸縮ストッパを可動範囲の前記開口部から離れた端部に配したときに前記操作ボタンが前記挿通孔よりも突出することを特徴としている。 According to the present invention, in the vacuum cleaner configured as described above, the operation button protrudes from the insertion hole when the telescopic stopper is disposed at an end of the movable range away from the opening.
また本発明は、上記構成の電気掃除機において、前記内パイプがポリプロピレンから成ることを特徴としている。 According to the present invention, in the vacuum cleaner configured as described above, the inner pipe is made of polypropylene.
本発明によると、操作ボタンが外パイプの開口部を介して伸縮ストッパに取り付けられるので、伸縮ストッパを外パイプに挿通した後に操作ボタンを取り付けて操作ボタンの外パイプからの突出量を大きくすることができる。これにより、操作ボタンの操作性を向上することができる。また、操作ボタンのストロークを大きくすることができ、係合溝と突起部との係合深さを大きくすることができる。従って、突起部の係合溝からの脱落を防止し、電気掃除機の利便性を向上することができる。 According to the present invention, since the operation button is attached to the expansion / contraction stopper through the opening of the outer pipe, the operation button is attached after inserting the expansion / contraction stopper into the outer pipe to increase the protrusion amount of the operation button from the outer pipe. Can do. Thereby, the operativity of an operation button can be improved. Further, the stroke of the operation button can be increased, and the engagement depth between the engagement groove and the protrusion can be increased. Therefore, it is possible to prevent the protrusions from dropping from the engaging grooves and to improve the convenience of the vacuum cleaner.
以下に本発明の実施形態を図面を参照して説明する。図１は一実施形態の電気掃除機の側面断面図を示している。電気掃除機１は電動送風機３を内装する本体部２を有し、本体部２には可撓性の接続ホース４が取り付けられる。接続ホース４の端部には延長管１０が接続され、延長管１０との接続部から分岐して使用者が把持する把持部５が設けられる。 Embodiments of the present invention will be described below with reference to the drawings. FIG. 1: has shown side surface sectional drawing of the vacuum cleaner of one Embodiment. The vacuum cleaner 1 has a main body 2 that houses an electric blower 3, and a flexible connection hose 4 is attached to the main body 2. An extension pipe 10 is connected to the end of the connection hose 4, and a gripping part 5 that is branched from the connection part with the extension pipe 10 and gripped by the user is provided.
延長管１０の先端には床面に対峙する吸込口６ａを有した吸込口体６が接続される。吸込口体６内には床面に接して回転する回転ブラシ７が設けられる。電動送風機３の駆動によって吸込口６ａから床面の塵埃が吸い込まれ、延長管１０及び接続ホース４を介して本体部２内に集塵される。 A suction port body 6 having a suction port 6 a facing the floor surface is connected to the tip of the extension pipe 10. A rotating brush 7 that rotates in contact with the floor surface is provided in the suction port body 6. By driving the electric blower 3, dust on the floor surface is sucked from the suction port 6 a and collected in the main body 2 via the extension pipe 10 and the connection hose 4.
図２は延長管１０の上面図を示しており、図３は図２のＡ−Ａ断面図を示している。延長管１０は外パイプ２１の先端の内部に連結パイプ３１が取り付けられ、連結パイプ３１に内パイプ１１が嵌合する。これにより、内パイプ１１が連結パイプ３１と摺動して軸方向に移動し、延長管１０が伸縮自在になっている。 2 shows a top view of the extension tube 10, and FIG. 3 shows a cross-sectional view taken along the line AA of FIG. The extension pipe 10 has a connecting pipe 31 attached to the inside of the tip of the outer pipe 21, and the inner pipe 11 is fitted into the connecting pipe 31. Thereby, the inner pipe 11 slides on the connecting pipe 31 and moves in the axial direction, and the extension pipe 10 is extendable.
内パイプ１１は内パイプカバー１２及びリード線カバー１３を一体化した内パイプ組品１６（図４参照）に形成される。外パイプ２１の上面は外パイプカバー２２で覆われる。リード線カバー１３は詳細を後述するように連結パイプ３１を貫通して外パイプ２１の後部と外パイプカバー２２との間に配される。 The inner pipe 11 is formed in an inner pipe assembly 16 (see FIG. 4) in which the inner pipe cover 12 and the lead wire cover 13 are integrated. The upper surface of the outer pipe 21 is covered with an outer pipe cover 22. The lead wire cover 13 is disposed between the rear portion of the outer pipe 21 and the outer pipe cover 22 through the connection pipe 31 as will be described in detail later.
図４は内パイプ組品１６の分解斜視図を示している。内パイプ１１、内パイプカバー１２及びリード線カバー１３はポリプロピレンから成り、軽量化が図られている。内パイプ１１の下方に面した外周面には軸方向に並ぶ複数の係合溝１１ａ（図３参照）が凹設される。 FIG. 4 is an exploded perspective view of the inner pipe assembly 16. The inner pipe 11, the inner pipe cover 12, and the lead wire cover 13 are made of polypropylene and are lightened. A plurality of engaging grooves 11 a (see FIG. 3) arranged in the axial direction are recessed in the outer peripheral surface facing the lower side of the inner pipe 11.
内パイプ１１の前端には拡径された拡径部１１ｂが設けられ、拡径部１１ｂの上面には端子部１１ｃが設けられる。端子部１１ｃの前部には吸込口体６（図１参照）を脱着する操作ボタン１４（図３参照）が取り付けられる。端子部１１ｃには吸込口体６を装着した際に回転ブラシ７（図１参照）の駆動モータ（不図示）に導通する端子（不図示）が設けられ、該端子にリード線１８（図７参照）が接続される。内パイプ１１の後端にはバンド状のストッパ１７（図３参照）が嵌着される溝部１１ｄが設けられる。ストッパ１７によって内パイプ１１が抜け止めされる。 A diameter-enlarged diameter portion 11b is provided at the front end of the inner pipe 11, and a terminal portion 11c is provided on the upper surface of the diameter-enlarged portion 11b. An operation button 14 (see FIG. 3) for attaching / detaching the suction port body 6 (see FIG. 1) is attached to the front portion of the terminal portion 11c. The terminal portion 11c is provided with a terminal (not shown) that conducts to a drive motor (not shown) of the rotary brush 7 (see FIG. 1) when the suction port body 6 is mounted, and the lead wire 18 (FIG. 7) is connected to the terminal 11c. Connected). At the rear end of the inner pipe 11 is provided a groove 11d into which a band-like stopper 17 (see FIG. 3) is fitted. The stopper 17 prevents the inner pipe 11 from coming off.
内パイプカバー１２は端子部１１ｃを覆って美装し、リード線カバー１３の前端を挟んでネジ１２ａ（図３参照）によって内パイプ１１にネジ止めされる。リード線カバー１３はネジ１２ａによりネジ止めされる前端から後方に延び、リード線１８（図７参照）を保持する。リード線１８の後端には下方に突出する端子１５（図３参照）が取り付けられる。 The inner pipe cover 12 is dressed so as to cover the terminal portion 11c, and is screwed to the inner pipe 11 with screws 12a (see FIG. 3) with the front end of the lead wire cover 13 interposed therebetween. The lead wire cover 13 extends rearward from the front end screwed by the screw 12a, and holds the lead wire 18 (see FIG. 7). A terminal 15 (see FIG. 3) protruding downward is attached to the rear end of the lead wire 18.
図５は外パイプ２１と外パイプカバー２２とを分解した斜視図を示している。外パイプ２１及び外パイプカバー２２はポリプロピレンから成り、軽量化が図られている。外パイプ２１の前端には拡径して連結パイプ３１（図３参照）が配される拡径部２１ａが設けられる。拡径部２１ａの上面には後述する操作ボタン３４（図３参照）が貫通する開口部２１ｂが開口する。また、拡径部２１ａの後方の面は開放され、リード線カバー１３が嵌挿される。 FIG. 5 is an exploded perspective view of the outer pipe 21 and the outer pipe cover 22. The outer pipe 21 and the outer pipe cover 22 are made of polypropylene and are reduced in weight. The front end of the outer pipe 21 is provided with a diameter-expanded portion 21a in which the diameter of the connection pipe 31 (see FIG. 3) is increased. An opening 21b through which an operation button 34 (see FIG. 3) to be described later passes is opened on the upper surface of the enlarged diameter portion 21a. The rear surface of the enlarged diameter portion 21a is opened, and the lead wire cover 13 is inserted.
外パイプ２１の拡径部２１ａよりも後方の上面には電極２３が前後に延びて設けられる。電極２３は接続ホース４（図１参照）内に設けたリード線（不図示）と導通して本体部２内の制御基板（不図示）に接続される。外パイプ２１に対して出し入れされる内パイプ１１と一体の端子１５（図３参照）は電極２３上を摺接する。これにより、回転ブラシ７（図１参照）の駆動モータに電力を供給して回転ブラシ７を回転駆動することができる。 Electrodes 23 are provided on the upper surface behind the enlarged-diameter portion 21a of the outer pipe 21 so as to extend back and forth. The electrode 23 is electrically connected to a lead wire (not shown) provided in the connection hose 4 (see FIG. 1) and connected to a control board (not shown) in the main body 2. A terminal 15 (see FIG. 3) integrated with the inner pipe 11 that is taken in and out of the outer pipe 21 is in sliding contact with the electrode 23. Thereby, electric power can be supplied to the drive motor of the rotating brush 7 (refer FIG. 1), and the rotating brush 7 can be rotationally driven.
尚、回転ブラシ７は吸込口６ａから吸い込まれる気流により回転させてもよい。この時、延長管１０から電極２３、リード線１８及びリード線カバー１３を取り外すと、回転ブラシ７をモータ駆動する場合と共通の延長管１０を使用することができる。この時、内パイプカバー１２とリード線カバー１３とは分割して内パイプ１１に取り付けられるので、内パイプカバー１２を別途作成する必要がなくコスト増加を抑制できる。リード線カバー１３が挿通される拡径部２１ａの後方の面は共通の金型を使用して金型部品の着脱により容易に開放状態と閉塞状態とに可変することができる。 The rotating brush 7 may be rotated by an airflow sucked from the suction port 6a. At this time, if the electrode 23, the lead wire 18, and the lead wire cover 13 are removed from the extension tube 10, the extension tube 10 common to the case where the rotary brush 7 is driven by a motor can be used. At this time, since the inner pipe cover 12 and the lead wire cover 13 are divided and attached to the inner pipe 11, it is not necessary to prepare the inner pipe cover 12 separately, and an increase in cost can be suppressed. The rear surface of the enlarged diameter portion 21a through which the lead wire cover 13 is inserted can be easily changed between an open state and a closed state by using a common mold and attaching / detaching mold parts.
外パイプカバー２２の前端及び後端には孔部２２ｂ、２２ｃがそれぞれ設けられる。後方の孔部２２ｃに挿通されるネジ（不図示）が外パイプ２１に螺合される。前方のネジ孔２２ｂに挿通されるネジ２４（図３参照）は外パイプ２１の拡径部２１ａに設けた孔部２１ｃを貫通して連結部３１に螺合される。これにより、外パイプカバー２２は外パイプ２１の電極２３及び拡径部２１ａの上面を覆って美装する。 Holes 22b and 22c are provided at the front end and the rear end of the outer pipe cover 22, respectively. A screw (not shown) inserted through the rear hole 22c is screwed into the outer pipe 21. A screw 24 (see FIG. 3) inserted through the front screw hole 22 b passes through a hole 21 c provided in the enlarged diameter portion 21 a of the outer pipe 21 and is screwed into the connecting portion 31. Accordingly, the outer pipe cover 22 is beautifully covered so as to cover the electrodes 23 of the outer pipe 21 and the upper surface of the enlarged diameter portion 21a.
外パイプカバー２２には外パイプ２１の開口部２１ｂに対向して操作ボタン３３（図３参照）が挿通される挿通孔２２ａが設けられる。開口部２１ｂは外パイプ２１の軸方向に垂直な方向の幅が挿通孔２２ａよりも広く形成される。これにより、後述する操作ボタン３３の下端が開口部２１ｂから露出して外パイプカバー２２により覆われる。 The outer pipe cover 22 is provided with an insertion hole 22a through which the operation button 33 (see FIG. 3) is inserted so as to face the opening 21b of the outer pipe 21. The opening 21b is formed so that the width in the direction perpendicular to the axial direction of the outer pipe 21 is wider than the insertion hole 22a. Thereby, the lower end of the operation button 33 described later is exposed from the opening 21b and is covered with the outer pipe cover 22.
図６は延長管１０の要部の断面斜視図を示している。図７は図３のＢ−Ｂ断面図を示している。連結パイプ３１は前述のネジ２４により上方から外パイプ２１にネジ止めされ、ネジ２５により下方から外パイプ２１にネジ止めされる。連結パイプ３１には伸縮ストッパ３２が嵌着され、伸縮ストッパ３２の上面には操作ボタン３３が取り付けられる。 FIG. 6 shows a cross-sectional perspective view of the main part of the extension tube 10. FIG. 7 shows a cross-sectional view taken along the line BB of FIG. The connecting pipe 31 is screwed to the outer pipe 21 from above by the screw 24 and is screwed to the outer pipe 21 from below by the screw 25. An expansion / contraction stopper 32 is fitted to the connection pipe 31, and an operation button 33 is attached to the upper surface of the expansion / contraction stopper 32.
図８は連結パイプ３１の斜視図を示している。連結パイプ３１は内パイプ１１が嵌合する筒状部３１ｆの上方にリード線カバー１８が挿通されるリード線挿通部３１ｂが設けられる。連結パイプ３１の外周面には軸方向に離れた２箇所に保持板３１ｃが突設される。保持板３１ｃ間に伸縮ストッパ３２が配される。 FIG. 8 shows a perspective view of the connecting pipe 31. The connecting pipe 31 is provided with a lead wire insertion portion 31b through which the lead wire cover 18 is inserted above the cylindrical portion 31f into which the inner pipe 11 is fitted. On the outer peripheral surface of the connecting pipe 31, holding plates 31 c are projected at two locations separated in the axial direction. An expansion / contraction stopper 32 is disposed between the holding plates 31c.
保持板３１ｃ間の下面には内パイプ１１の係合溝１１ａ（図３参照）に対向する孔部３１ａが設けられる。保持板３１ｃ間の上面にはボス３１ｅが突設される。ボス３１ｅには圧縮バネから成る付勢部３４（図６参照）が嵌合して設置される。また、保持板３１ｃ間の両側部には開口部３１ｄが開口し、開口部３１ｄの上方にはリブ３１ｇが突設される。 A hole 31a is provided on the lower surface between the holding plates 31c so as to face the engaging groove 11a of the inner pipe 11 (see FIG. 3). A boss 31e projects from the upper surface between the holding plates 31c. A biasing portion 34 (see FIG. 6) made of a compression spring is fitted and installed on the boss 31e. Moreover, the opening part 31d opens in the both sides between the holding | maintenance plates 31c, and the rib 31g protrudes above the opening part 31d.
図９は伸縮ストッパ３２の斜視図を示している。伸縮ストッパ３２は上方が切断された断面略Ｃ字型のバンド状に形成され、側面にリブ３２ｃが突設される。伸縮ストッパ３２の上部を広げて連結パイプ３１の保持板３１ｃ（図８参照）間に嵌着することにより、伸縮ストッパ３２は弾性力によって連結パイプ３１に保持される。 FIG. 9 shows a perspective view of the telescopic stopper 32. The expansion / contraction stopper 32 is formed in a band shape having a substantially C-shaped cross-section with the upper part cut, and ribs 32c project from the side surfaces. The upper part of the expansion / contraction stopper 32 is expanded and fitted between the holding plates 31c of the connection pipe 31 (see FIG. 8), whereby the expansion / contraction stopper 32 is held by the connection pipe 31 by elastic force.
この時、伸縮ストッパ３２は連結パイプ３１のリブ３１ｇに内面が摺動し、リブ３２ｃが外パイプ２１の内面に摺動して軸方向に垂直な方向（上下方向）に可動になっている。このため、リブ３１ｇ、３２ｃの表面は上下方向に延びる平面に形成され、外パイプ２１の側部の内面が平面に形成される。リブ３１ｇ、３２ｃによって伸縮ストッパ３２の可動時の摺動摩擦を低減することができる。尚、保持板３１ｃにより伸縮ストッパ３２の軸方向の移動が規制される。 At this time, the inner surface of the expansion / contraction stopper 32 slides on the rib 31g of the connecting pipe 31, and the rib 32c slides on the inner surface of the outer pipe 21 so as to be movable in the direction perpendicular to the axial direction (up and down direction). Therefore, the surfaces of the ribs 31g and 32c are formed in a plane extending in the vertical direction, and the inner surface of the side portion of the outer pipe 21 is formed in a plane. The ribs 31g and 32c can reduce sliding friction when the telescopic stopper 32 is movable. In addition, the movement of the expansion / contraction stopper 32 in the axial direction is restricted by the holding plate 31c.
伸縮ストッパ３２の下部には内側に向かって突出して内パイプ１１の係合溝１１ａに係合する突起部３２ａが設けられる。伸縮ストッパ３２の上部の外周面には係合爪３２ｂが設けられる。 A protrusion 32 a that protrudes inward and engages with the engagement groove 11 a of the inner pipe 11 is provided at the lower portion of the expansion / contraction stopper 32. An engaging claw 32 b is provided on the outer peripheral surface of the upper portion of the telescopic stopper 32.
図１０は操作ボタン３３の斜視図を示している。操作ボタン３３は上部に使用者が押圧するキャップ状の押圧部３３ａが設けられる。押圧部３３ａの下方には伸縮ストッパ３２に沿って延設される延設部３３ｃが設けられる。延設部３３ｃには伸縮ストッパ３２の係合爪３２ｂに係合する係合孔３３ｂが設けられる。 FIG. 10 is a perspective view of the operation button 33. The operation button 33 is provided with a cap-shaped pressing portion 33a that is pressed by the user at the top. Below the pressing portion 33a, an extending portion 33c extending along the telescopic stopper 32 is provided. The extending portion 33 c is provided with an engagement hole 33 b that engages with the engagement claw 32 b of the expansion / contraction stopper 32.
伸縮ストッパ３２の上方から操作ボタン３３を押し込むことにより延設部３３ｃの対向する二面の下端が広がる。これにより、係合孔３３ｂが係合爪３２ｂに係合して操作ボタン３３が伸縮ストッパ３２に係着される。この時、延設部３３ｃの下端は外パイプ２１の開口部２１ｂから露出する。このため、開口部２１ｂを介して手指で延設部３３ｃの下端を広げることにより、操作ボタン３３を取り外すことができる。 By pushing the operation button 33 from above the telescopic stopper 32, the lower ends of the two opposing surfaces of the extending portion 33c are expanded. As a result, the engagement hole 33 b engages with the engagement claw 32 b and the operation button 33 is engaged with the expansion / contraction stopper 32. At this time, the lower end of the extending portion 33 c is exposed from the opening 21 b of the outer pipe 21. For this reason, the operation button 33 can be removed by expanding the lower end of the extension part 33c with a finger | toe through the opening part 21b.
図６、図７において、延長管１０を組立てる際には、まず伸縮ストッパ３２を嵌着した連結パイプ３１に内パイプ組品１６を挿通してストッパ１７が取り付けられる。次に、伸縮ストッパ３２を押し下げた状態で連結パイプ３１が外パイプ２１に挿通される。次に、ボス３１ｅに付勢部３４を配し、操作ボタン３３が開口部２１ｂを介して押し込まれて伸縮ストッパ３２に取り付けられる。そして、連結パイプ３１及び外パイプカバー２２がネジ止めされる。 6 and 7, when assembling the extension pipe 10, first, the stopper 17 is attached by inserting the inner pipe assembly 16 through the connection pipe 31 fitted with the expansion / contraction stopper 32. Next, the connecting pipe 31 is inserted into the outer pipe 21 with the expansion / contraction stopper 32 pushed down. Next, the urging portion 34 is disposed on the boss 31e, and the operation button 33 is pushed through the opening 21b and attached to the expansion / contraction stopper 32. Then, the connecting pipe 31 and the outer pipe cover 22 are screwed.
連結パイプ３１のボス３１ｅに嵌合する付勢部３４は操作ボタン３３のキャップ状の押圧部３３ｂの内面に当接する。これにより、操作ボタン３３と伸縮ストッパ３２とが一体に上方に付勢され、操作ボタン３３が外パイプカバー２２の挿通孔２２ａから突出する。この時、伸縮ストッパ３２の突起部３２ａは内パイプ１１の所望位置の係合溝１１ａに孔部３１ａを介して係合し、内パイプ１１が固定される。 The urging portion 34 fitted to the boss 31e of the connection pipe 31 contacts the inner surface of the cap-shaped pressing portion 33b of the operation button 33. As a result, the operation button 33 and the expansion / contraction stopper 32 are integrally biased upward, and the operation button 33 projects from the insertion hole 22 a of the outer pipe cover 22. At this time, the protrusion 32a of the expansion / contraction stopper 32 is engaged with the engagement groove 11a at a desired position of the inner pipe 11 through the hole 31a, and the inner pipe 11 is fixed.
付勢部３４の付勢力に抗して操作ボタン３３を押圧すると図１１に示すように、操作ボタン３３と伸縮ストッパ３２とが一体に押し下げられる。これにより、伸縮ストッパ３２の突起部３２ａが内パイプ１１の係合溝１１ａから脱離し、内パイプ１１を所望位置に出し入れして延長管１０を伸縮することができる。 When the operation button 33 is pressed against the urging force of the urging portion 34, the operation button 33 and the expansion / contraction stopper 32 are integrally pushed down as shown in FIG. Thereby, the protrusion 32a of the expansion / contraction stopper 32 is detached from the engagement groove 11a of the inner pipe 11, and the extension pipe 10 can be expanded / contracted by taking the inner pipe 11 into / out of a desired position.
この時、操作ボタン３３のストロークは操作ボタン３３の外パイプカバー２２からの突出量と伸縮ストッパ３２の可動距離との短い方になる。このため、伸縮ストッパ３２を可動範囲の開口部２１ｂから離れた端部に配したときに外パイプカバー２２の挿通孔２２ａから突出するように操作ボタン３３を形成すると、操作ボタン３３のストロークを伸縮ストッパ３２の可動距離まで大きくすることができる。従って、係合溝１１ａと突起部３２ａとの係合深さを大きくできる。 At this time, the stroke of the operation button 33 is the shorter of the protruding amount of the operation button 33 from the outer pipe cover 22 and the movable distance of the telescopic stopper 32. For this reason, when the operation button 33 is formed so as to protrude from the insertion hole 22a of the outer pipe cover 22 when the expansion / contraction stopper 32 is disposed at the end of the movable range away from the opening 21b, the stroke of the operation button 33 is expanded / contracted. The movable distance of the stopper 32 can be increased. Therefore, the engagement depth between the engagement groove 11a and the protrusion 32a can be increased.
また、伸縮ストッパ３２を可動範囲の開口部２１ｂから離れた端部に配したときに外パイプカバー２２の挿通孔２２ａ内に操作ボタン３３の上面が配置されると、伸縮ストッパ３２の可動距離に対する操作ボタン３３のストロークの減少量は外パイプカバー２２の肉厚よりも小さくなる。従って、前述の従来例よりも係合溝１１ａと突起部３２ａとの係合深さを大きくできる。 Further, if the upper surface of the operation button 33 is disposed in the insertion hole 22a of the outer pipe cover 22 when the expansion / contraction stopper 32 is disposed at an end portion away from the opening portion 21b of the movable range, the expansion / contraction stopper 32 can move relative to the movable distance. The amount of decrease in the stroke of the operation button 33 is smaller than the thickness of the outer pipe cover 22. Therefore, the engagement depth between the engagement groove 11a and the protrusion 32a can be made larger than in the conventional example described above.
本実施形態によると、操作ボタン３３と伸縮ストッパ３２とを分離して操作ボタン３３が外パイプ２１の開口部３１ｂを介して伸縮ストッパ３２に取り付けられるので、伸縮ストッパ３２を外パイプ２１に挿通した後に操作ボタン３３を取り付けて操作ボタン３３の外パイプ２１及び外パイプカバー２２からの突出量を大きくすることができる。これにより、操作ボタン３３の操作性を向上することができる。また、操作ボタン３３のストロークを大きくすることができ、係合溝１１ａと突起部３２ａとの係合深さを大きくすることができる。従って、突起部３２ａの係合溝１１ａからの脱落を防止し、電気掃除機１の利便性を向上することができる。 According to the present embodiment, since the operation button 33 and the expansion / contraction stopper 32 are separated and the operation button 33 is attached to the expansion / contraction stopper 32 through the opening 31b of the outer pipe 21, the expansion / contraction stopper 32 is inserted into the outer pipe 21. The operation button 33 can be attached later to increase the protruding amount of the operation button 33 from the outer pipe 21 and the outer pipe cover 22. Thereby, the operativity of the operation button 33 can be improved. In addition, the stroke of the operation button 33 can be increased, and the engagement depth between the engagement groove 11a and the protrusion 32a can be increased. Therefore, the protrusion 32a can be prevented from falling off the engaging groove 11a, and the convenience of the vacuum cleaner 1 can be improved.
この時、伸縮ストッパ３２を可動範囲の開口部２１ｂから離れた端部に配したときに操作ボタン３３を挿通孔２２ａ内に配すると、伸縮ストッパ３２の可動距離に対する操作ボタン３３のストロークの減少量を従来よりも小さくすることができる。 At this time, if the operation button 33 is disposed in the insertion hole 22a when the expansion / contraction stopper 32 is disposed at the end of the movable range away from the opening 21b, the amount by which the stroke of the operation button 33 is reduced with respect to the movable distance of the expansion / contraction stopper 32. Can be made smaller than before.
また、伸縮ストッパ３２を可動範囲の開口部２１ｂから離れた端部に配したときに操作ボタン３３を挿通孔２２ａよりも突出させると、伸縮ストッパ３２の可動距離まで操作ボタン３３のストロークを大きくすることができる。 Further, when the operation button 33 is projected beyond the insertion hole 22a when the expansion / contraction stopper 32 is disposed at the end of the movable range away from the opening 21b, the stroke of the operation button 33 is increased to the movable distance of the expansion / contraction stopper 32. be able to.
また、操作ボタン３３は延設部３３ｃの対向する二面の下端を広げて係合孔３３ｂ（係合部）により伸縮ストッパ３３に係着される。この時、外パイプ２１の開口部２１ｂから延設部３３ｃの下端が露出し、外パイプカバー２２により覆われる。このため、開口部２１ｂを介して手指で延設部３３ｃの下端を広げることによって操作ボタン３３を取り外し、延長管１０を容易に分解して補修することができる。 Further, the operation button 33 is engaged with the expansion / contraction stopper 33 by an engagement hole 33b (engagement portion) with the lower ends of the two opposing surfaces of the extension portion 33c widened. At this time, the lower end of the extending portion 33 c is exposed from the opening 21 b of the outer pipe 21 and is covered with the outer pipe cover 22. For this reason, the operation button 33 can be removed by expanding the lower end of the extending portion 33c with fingers through the opening 21b, and the extension tube 10 can be easily disassembled and repaired.
また、係合溝１１ａを有する内パイプ１１がポリプロピレンから成るので、軽量化を図ることができる。この時、内パイプ１１が変形し易くなるため突起部３２ａが係合溝１１ａから脱落し易くなるが、上記構成によって脱落を防止してより大きな効果を奏することができる。 Moreover, since the inner pipe 11 having the engaging groove 11a is made of polypropylene, the weight can be reduced. At this time, since the inner pipe 11 is easily deformed, the protrusion 32a is easily dropped from the engagement groove 11a. However, the above configuration can prevent the drop and can have a greater effect.
本実施形態において、外カバー２１の拡径部２１ａ上の美装が不要の場合は拡径部２１ａ上から外パイプカバー２２を省いてもよい。この時、開口部２１ｂを操作ボタン３３の押圧部３３ａが嵌合する大きさに形成し、操作ボタン３３の延設部３３ｃを押圧部３３ａを下方に延びて形成するとより望ましい。これにより、美感を向上できるとともに開口部２１ｂを介して操作ボタン３３を取り付けることができる。 In this embodiment, when the beautification on the enlarged diameter part 21a of the outer cover 21 is unnecessary, the outer pipe cover 22 may be omitted from the enlarged diameter part 21a. At this time, it is more desirable to form the opening 21b so as to fit the pressing portion 33a of the operation button 33 and to form the extending portion 33c of the operation button 33 by extending the pressing portion 33a downward. Thereby, the aesthetics can be improved and the operation button 33 can be attached via the opening 21b.
この時、伸縮ストッパ３２を可動範囲の開口部２１ｂから離れた端部に配したときに操作ボタン３３を開口部２１ｂ内に配すると、伸縮ストッパ３２の可動距離に対する操作ボタン３３のストロークの減少量が外パイプ２１の肉厚よりも小さくなるため従来よりも係合溝１１ａと突起部３２ａとの係合深さを大きくすることができる。 At this time, if the operation button 33 is disposed in the opening 21b when the expansion / contraction stopper 32 is disposed at the end of the movable range away from the opening 21b, the amount of decrease in the stroke of the operation button 33 with respect to the movable distance of the expansion / contraction stopper 32 Is smaller than the thickness of the outer pipe 21, the engagement depth between the engagement groove 11 a and the protrusion 32 a can be made larger than before.
また、伸縮ストッパ３２を可動範囲の開口部２１ｂから離れた端部に配したときに操作ボタン３３を開口部２１ｂから突出させると、伸縮ストッパ３２の可動距離まで操作ボタン３３のストロークを大きくすることができる。従って、係合溝１１ａと突起部３２ａとの係合深さをより大きくすることができる。 Further, when the operation button 33 protrudes from the opening 21b when the expansion / contraction stopper 32 is disposed at the end of the movable range away from the opening 21b, the stroke of the operation button 33 is increased to the movable distance of the expansion / contraction stopper 32. Can do. Therefore, the engagement depth between the engagement groove 11a and the protrusion 32a can be further increased.
本発明によると、伸縮可能な延長管を有する電気掃除機に利用することができる。 According to this invention, it can utilize for the vacuum cleaner which has an extension pipe which can be expanded-contracted.
１ 電気掃除機
２ 本体部
３ 電動送風機
４ 接続ホース
５ 把持部
６ 吸込口体
６ａ 吸込口
７ 回転ブラシ
１０ 延長管
１１ 内パイプ
１１ａ 係合溝
１２ 内パイプカバー
１３ リード線カバー
１４ 操作ボタン
１５ 端子
１６ 内パイプ組品
１７ ストッパ
１８ リード線
２１ 外パイプ
２１ａ 拡径部
２１ｂ 開口部
２２ 外パイプカバー
２２ａ 挿通孔
２３ 電極
３１ 連結パイプ
３１ａ 孔部
３２ 伸縮ストッパ
３２ａ 突起部
３２ｂ 係合爪
３３ 操作ボタン
３３ａ 押圧部
３３ｂ 係合孔
３３ｃ 延設部
３４ 付勢部
DESCRIPTION OF SYMBOLS 1 Vacuum cleaner 2 Main body part 3 Electric blower 4 Connection hose 5 Holding part 6 Suction port body 6a Suction port 7 Rotating brush 10 Extension pipe 11 Inner pipe 11a Engaging groove 12 Inner pipe cover 13 Lead wire cover 14 Operation button 15 Terminal 16 Inner pipe assembly 17 Stopper 18 Lead wire 21 Outer pipe 21a Expanded portion 21b Opening portion 22 Outer pipe cover 22a Insertion hole 23 Electrode 31 Connection pipe 31a Hole portion 32 Stretching stopper 32a Projection portion 32b Engaging claw 33 Operation button 33a Pressing portion 33b engagement hole 33c extension part 34 urging part
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009206570A JP5184470B2 (en) | 2009-09-08 | 2009-09-08 | Electric vacuum cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009206570A JP5184470B2 (en) | 2009-09-08 | 2009-09-08 | Electric vacuum cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2011055918A JP2011055918A (en) | 2011-03-24 |
| JP5184470B2 true JP5184470B2 (en) | 2013-04-17 |
Family
ID=43944291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009206570A Expired - Fee Related JP5184470B2 (en) | 2009-09-08 | 2009-09-08 | Electric vacuum cleaner |
Country Status (1)
| Country | Link |
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| JP (1) | JP5184470B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102253959B1 (en) * | 2020-04-24 | 2021-05-20 | 광동하이텍 주식회사 | Telescopic extension pipe containing electric wire |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1085161A (en) * | 1996-09-13 | 1998-04-07 | Mitsubishi Electric Corp | Vacuum cleaner |
| JP2000266262A (en) * | 1999-03-15 | 2000-09-26 | Matsushita Electric Ind Co Ltd | Telescopic extension pipe and vacuum cleaner |
| JP2000271050A (en) * | 1999-03-26 | 2000-10-03 | Matsushita Electric Ind Co Ltd | Expansion pipe for vacuum cleaner and vacuum cleaner using the pipe |
| JP2005137553A (en) * | 2003-11-06 | 2005-06-02 | Matsushita Electric Ind Co Ltd | Conductive extendable extension pipe and vacuum cleaner |
-
2009
- 2009-09-08 JP JP2009206570A patent/JP5184470B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
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| JP2011055918A (en) | 2011-03-24 |
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