JP7080094B2 - Vacuum cleaner nozzle - Google Patents

Vacuum cleaner nozzle Download PDF

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JP7080094B2
JP7080094B2 JP2018076352A JP2018076352A JP7080094B2 JP 7080094 B2 JP7080094 B2 JP 7080094B2 JP 2018076352 A JP2018076352 A JP 2018076352A JP 2018076352 A JP2018076352 A JP 2018076352A JP 7080094 B2 JP7080094 B2 JP 7080094B2
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nozzle
nozzle body
ball caster
lateral direction
vacuum cleaner
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JP2019180900A (en
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幹夫 反町
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Twinbird Corp
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Twinbird Corp
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details 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
    • A47L9/009Carrying-vehicles; Arrangements of trollies or wheels; Means for avoiding mechanical obstacles
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details 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
    • A47L9/02Nozzles

Description

本発明は、電気掃除機用ノズルに関するものである。 The present invention relates to a nozzle for an electric vacuum cleaner.

従来、この種の電気掃除機用ノズルとしては、本体ケース(本願発明のノズル本体に該当する)の前後にそれぞれ左右一対の車輪を設け、これらの車輪の向きが自由に変えられるようにした電気掃除機用吸込口体が知られている(例えば、特許文献1参照。)。また、ノズル本体の前後方向中央部に、左右一対の球状キャスターが設けられた電気掃除機用吸塵ノズルも知られている(例えば、特許文献2参照。)。このような車輪又は球状キャスターを用いることで、電気掃除機用のノズルを前後左右の自由な方向に移動させることができる。 Conventionally, as a nozzle for this type of vacuum cleaner, a pair of left and right wheels are provided in front of and behind the main body case (corresponding to the nozzle main body of the present invention), and the orientation of these wheels can be freely changed. A suction port for a vacuum cleaner is known (see, for example, Patent Document 1). Further, there is also known a dust suction nozzle for an electric vacuum cleaner in which a pair of left and right spherical casters are provided at the center of the nozzle body in the front-rear direction (see, for example, Patent Document 2). By using such wheels or spherical casters, the nozzle for the vacuum cleaner can be moved in any direction of front, back, left and right.

特許第3457909号公報Japanese Patent No. 3457909 特開平3-195526号公報Japanese Unexamined Patent Publication No. 3-195526

しかしながら、特許文献1のような電気掃除機用ノズルでは、車輪が向きを変えるためにある程度の移動距離が必要になるため、急に向きを変えようとすると大回りになってしまうという問題があった。また、車輪ごとに、車輪の向きを変えるための機構が必要になるため、コストアップを招くという問題もあった。これらの車輪を特許文献2のような球状キャスターにすれば、急に向きを変える際に大回りしてしまうという問題は解決できるものの、長期間スムーズに動かすことができる球状キャスターは高価になってしまうので、コストアップを招くという問題は解決しない。特許文献2では、球状キャスターの数が二つであり、コストアップは抑えられるものの、この構成では、ノズルを移動させた際に前側又は後側が持ち上がってしまい、塵埃の吸引を良好に行えないという別の問題が生じた。 However, in the nozzle for a vacuum cleaner as in Patent Document 1, a certain amount of moving distance is required for the wheel to change its direction, so that there is a problem that if the wheel suddenly changes its direction, it becomes a large turn. .. Further, since a mechanism for changing the direction of the wheel is required for each wheel, there is a problem that the cost is increased. If these wheels are made into spherical casters as in Patent Document 2, the problem of making a large turn when suddenly turning can be solved, but the spherical casters that can be moved smoothly for a long period of time become expensive. Therefore, the problem of increasing costs cannot be solved. In Patent Document 2, the number of spherical casters is two, and the cost increase can be suppressed. However, in this configuration, the front side or the rear side is lifted when the nozzle is moved, and dust cannot be sucked well. Another problem arose.

本発明は以上の問題点を解決し、安価な構成で床面の自由な方向に移動させることができる電気掃除機用ノズルを提供することを目的とする。 An object of the present invention is to solve the above problems and to provide a nozzle for an electric vacuum cleaner that can be moved in any direction of the floor surface with an inexpensive configuration.

本発明の請求項1に記載の電気掃除機用ノズルは、長手方向と短手方向を有するノズル本体と、前記長手方向に形成された第一回動軸回りに回動可能な関節部と、この関節部の端部に形成された接続筒部とを有する電気掃除機用ノズルにおいて、前記ノズル本体の短手方向の一方側に、被清掃面に接するボールキャスターが設けられ、前記ノズル本体の短手方向の他方側に、被清掃面に接する滑動部が設けられ、前記第一回動軸が、短手方向における前記ボールキャスターと滑動部との間で且つ前記ボールキャスター寄りに設けられ、前記関節部が、前記第一回動軸回りに回動可能な起伏部と、前記第一回動軸及び前記接続筒部の中心軸と交差する第二回動軸回りに回動可能な回動部とを有し、この回動部が、前記長手方向に傾斜可能に構成され、前記起伏部が、前記短手方向の他方側に傾斜可能に構成されると共に、前記関節部が直立した状態において、前記回動部が、前記起伏部における前記短手方向の他方側に設けられ、前記起伏部を前記短手方向の他方側に最大限傾斜させた状態で、前記回動部が前記ノズル本体の上方で且つ短手方向における前記ボールキャスターの接地点と滑動部との間に位置するものである。 The nozzle for an electric vacuum cleaner according to claim 1 of the present invention includes a nozzle body having a longitudinal direction and a lateral direction, a joint portion formed in the longitudinal direction and rotatable around a first rotation axis, and a joint portion. In a nozzle for an electric vacuum machine having a connection cylinder portion formed at the end of the joint portion, a ball caster in contact with the surface to be cleaned is provided on one side of the nozzle body in the lateral direction, and the nozzle body is provided with a ball caster. A sliding portion in contact with the surface to be cleaned is provided on the other side in the lateral direction, and the first rotation shaft is provided between the ball caster and the sliding portion in the lateral direction and closer to the ball caster. , The joint portion is rotatable around a second rotation axis that intersects the undulating portion that can rotate around the first rotation axis and the central axis of the first rotation axis and the connection cylinder portion. It has a rotating portion, the rotating portion is configured to be tiltable in the longitudinal direction, the undulating portion is configured to be tiltable to the other side in the lateral direction, and the joint portion is upright. In this state, the rotating portion is provided on the other side of the undulating portion in the lateral direction, and the rotating portion is tilted to the other side in the lateral direction to the maximum extent. It is located above the nozzle body and between the grounding point of the ball caster and the sliding portion in the lateral direction .

本発明の請求項1に記載の電気掃除機用ノズルは、以上のように構成することにより、安価な構成で、前記ノズル本体の短手方向の一方側又は他方側が浮くことなく、前記ノズル本体を水平方向に自由に移動させることができる。また、前記接続筒部を中心軸回りに回動させる動きで前記ノズル本体の向きを変えることができる。また、使用者の癖で前記接続筒部を中心軸回りに回動させ過ぎたとしても、前記ノズル本体のボールキャスター側が浮くことがなく、良好に塵埃を吸引することができる。更に、前記ノズル本体の長手方向が前後となる姿勢で動かした際に、前記ボールキャスター側が浮くことがなく、良好に塵埃を吸引することができる。 The nozzle for an electric vacuum cleaner according to claim 1 of the present invention has the above-mentioned configuration, and has an inexpensive configuration so that one side or the other side of the nozzle body in the lateral direction does not float and the nozzle body is not floated. Can be moved freely in the horizontal direction. Further, the direction of the nozzle body can be changed by the movement of rotating the connection cylinder portion around the central axis. Further, even if the connection cylinder portion is rotated too much around the central axis due to the habit of the user, the ball caster side of the nozzle body does not float, and dust can be sucked satisfactorily. Further, when the nozzle body is moved in a posture in which the longitudinal direction is front-back, the ball caster side does not float, and dust can be sucked satisfactorily.

本発明の一実施形態を示す電気掃除機用ノズルの平面図である。It is a top view of the nozzle for vacuum cleaner which shows one Embodiment of this invention. 同、底面図である。The same is the bottom view. 同、右側面図であり、(a)は関節部を伏せた状態を示すもの、(b)は関節部を直立させた状態を示すものである。In the right side view, (a) shows a state in which the joint portion is turned down, and (b) shows a state in which the joint portion is upright. 同、回動部を右側に傾けた状態を示す外観図であり、(a)は正面図、(b)は右側面図である。The same is an external view showing a state in which the rotating portion is tilted to the right, (a) is a front view, and (b) is a right side view. 同、ノズル本体の長さ方向が左右となる使用状態における掃除機全体の右側面図である。The same is a right side view of the entire vacuum cleaner in a usage state in which the length direction of the nozzle body is left and right. 同、ノズル本体の長さ方向が前後となる使用状態における掃除機全体の右側面図である。The same is a right side view of the entire vacuum cleaner in a usage state in which the length direction of the nozzle body is front and back. 同、ノズル本体に対する関節部の姿勢を示す右側面図であり、(a)は直立状態から前側に倒れた状態、(b)は直立状態から後側に倒れた状態を示すものである。It is a right side view showing the posture of the joint portion with respect to the nozzle body, in which (a) shows a state in which the joint portion has fallen forward from an upright state, and (b) shows a state in which the joint portion has fallen from an upright state to the rear side.

以下、本発明の実施形態について、図1乃至図7に基づいて説明する。なお、本実施形態において、図3に基づいて上下及び前後を規定する。即ち、図3における上下が本実施形態における上下であり、左側が本実施形態の前であり、右側が本実施形態の後である。1は電気掃除機である。この電気掃除機1は、本体2とアタッチメント90とを有して構成される。 Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 to 7. In this embodiment, the upper and lower parts and the front and back sides are defined based on FIG. That is, the top and bottom in FIG. 3 are the top and bottom in the present embodiment, the left side is the front side of the present embodiment, and the right side is the back side of the present embodiment. 1 is an electric vacuum cleaner. The vacuum cleaner 1 includes a main body 2 and an attachment 90.

前記本体2は、胴部4と把持部5と第一連結部6と第二連結部7とを有する。前記胴部4は、略円筒状に形成される。また、前記胴部4の下部には、吸込口4Bが設けられる。前記把持部5は、略円筒状に形成される。また、前記把持部5は、前記胴部4の上端部4Aと所定の間隔をおいて設けられる。なお、前記把持部5は、前記胴部4の上端部4Aと平行に設けられる。そして、前記胴部4の上端部4Aと前記把持部5は、前記第一連結部6と第二連結部7によって連結される。前記胴部4の上端部4Aの前側と前記把持部5の前側とを連結する前記第一連結部6は、前記胴部4の上端部4A及び把持部5と直交して設けられる。一方、前記胴部4の上端部4Aの後側と前記把持部5の後側とを連結する第二連結部7は、その前縁7Aが前記第一連結部6と平行に形成される。また、前記把持部5の前部には、操作部8及び表示部9が設けられる。前記操作部8は押しボタン式のスイッチである。また、前記表示部9は、前記把持部5における前記第一連結部6よりも前方に設けられる。前記表示部9は、内部に図示しないLEDが設けられており、前記把持部5の円筒側面の全周に渡って環状に設けられる。このため、前記表示部9から放出された光は、前記本体2の周囲の広い範囲から視認することができる。 The main body 2 has a body portion 4, a grip portion 5, a first connecting portion 6, and a second connecting portion 7. The body portion 4 is formed in a substantially cylindrical shape. Further, a suction port 4B is provided at the lower portion of the body portion 4. The grip portion 5 is formed in a substantially cylindrical shape. Further, the grip portion 5 is provided at a predetermined distance from the upper end portion 4A of the body portion 4. The grip portion 5 is provided in parallel with the upper end portion 4A of the body portion 4. Then, the upper end portion 4A of the body portion 4 and the grip portion 5 are connected by the first connecting portion 6 and the second connecting portion 7. The first connecting portion 6 that connects the front side of the upper end portion 4A of the body portion 4 and the front side of the grip portion 5 is provided orthogonal to the upper end portion 4A and the grip portion 5 of the body portion 4. On the other hand, the leading edge 7A of the second connecting portion 7 that connects the rear side of the upper end portion 4A of the body portion 4 and the rear side of the grip portion 5 is formed in parallel with the first connecting portion 6. Further, an operation unit 8 and a display unit 9 are provided on the front portion of the grip portion 5. The operation unit 8 is a push button type switch. Further, the display portion 9 is provided in front of the first connecting portion 6 in the grip portion 5. The display unit 9 is provided with an LED (not shown) inside, and is provided in an annular shape over the entire circumference of the cylindrical side surface of the grip portion 5. Therefore, the light emitted from the display unit 9 can be visually recognized from a wide range around the main body 2.

前記吸込口4Bには、前記アタッチメント90が着脱可能に取り付けられる。このアタッチメント90は、延長管91と電気掃除機用ノズルとしての着脱ノズル92を有して構成される。なお、前記着脱ノズル92は、図5及び図6に示すように、前記延長管91を介して前記吸込口4Bに接続されるが、前記吸込口4Bに直接接続しても良い。 The attachment 90 is detachably attached to the suction port 4B. The attachment 90 includes an extension pipe 91 and a removable nozzle 92 as a nozzle for a vacuum cleaner. As shown in FIGS. 5 and 6, the detachable nozzle 92 is connected to the suction port 4B via the extension pipe 91, but may be directly connected to the suction port 4B.

前記着脱ノズル92について詳述する。この着脱ノズル92は、ノズル本体93と関節部94と接続筒部95とを有する。前記ノズル本体93は、左右方向が長手方向であり、前後方向が短手方向である。そして、このノズル本体93の下部前側には、左右方向に長く形成された吸込開口96が設けられる。また、前記ノズル本体93の後部中央には、後方及び上方が開放した切欠部97が形成される。そして、この切欠部97に、前記関節部94が揺動可能に取り付けられる。また、前記切欠部97の周囲には、後方に突出する突出部98が形成される。そして、この突出部98における前記切欠部97の左右には、それぞれボールキャスター99が下方に露出して設けられる。このボールキャスター99は、被清掃面である床面Sに接する。また、前記ノズル本体93の前部の左右両端近傍には、一対の滑動部100が設けられる。この滑動部100は、起毛布により構成され、被清掃面である床面Sに接する。なお、前記ボールキャスター99は、スムーズに動かすことができるように、内部にベアリング構造が設けられる。このため、ボールキャスター99自体は、比較的大型で且つ高価な部品である。従って、前記ボールキャスター99を前記ノズル本体93の後部だけでなく前部にも設けると、前記着脱ノズル92が大型化するばかりでなく高価になる。前記吸込開口96内に回転ブラシが設けられる構造であれば、この影響はより大きくなる。一方、後述するように、起伏部102の第一回動軸AXが、前記ボールキャスター99と滑動部100の間で且つ後方寄りであることから、前記ノズル本体93の前側に加わる荷重は、後側に加わる荷重に比べて小さい。このため、前記ノズル本体93の前側には、起毛布からなる前記滑動部材100を設けるのが最適である。この滑動部材100は、前記ボールキャスター99に比べて安価で且つ取り付けのためのスペースが少なくて済むので、前記着脱ノズル92を安価に且つ小型にすることができる。また、前記ノズル本体93の後部に加わる荷重は大きいので、この部分に起毛布からなる滑動部材100を設けると、短期間で摩耗する。従って、前記ノズル本体93の前側に滑動部材100、後側にボールキャスター99を設ける構造が最適解である。更に、前記吸込開口96の後方には、左右方向に長く形成されたブラシ101が設けられる。 The detachable nozzle 92 will be described in detail. The detachable nozzle 92 has a nozzle body 93, a joint portion 94, and a connecting cylinder portion 95. The nozzle body 93 has a longitudinal direction in the left-right direction and a lateral direction in the front-rear direction. A suction opening 96 formed long in the left-right direction is provided on the lower front side of the nozzle body 93. Further, a notch 97 having an open rear and upper portion is formed in the center of the rear portion of the nozzle body 93. Then, the joint portion 94 is swingably attached to the notch portion 97. Further, a protruding portion 98 projecting rearward is formed around the cutout portion 97. Ball casters 99 are provided on the left and right sides of the notch 97 in the protruding portion 98 so as to be exposed downward. The ball caster 99 is in contact with the floor surface S, which is the surface to be cleaned. Further, a pair of sliding portions 100 are provided in the vicinity of the left and right ends of the front portion of the nozzle body 93. The sliding portion 100 is made of a raised cloth and is in contact with the floor surface S, which is the surface to be cleaned. The ball caster 99 is provided with a bearing structure inside so that the ball caster 99 can be moved smoothly. Therefore, the ball caster 99 itself is a relatively large and expensive part. Therefore, if the ball caster 99 is provided not only on the rear portion of the nozzle body 93 but also on the front portion, the detachable nozzle 92 not only becomes large in size but also becomes expensive. If the structure is such that the rotating brush is provided in the suction opening 96, this effect is even greater. On the other hand, as will be described later, since the first rotation axis AX of the undulating portion 102 is between the ball caster 99 and the sliding portion 100 and is closer to the rear, the load applied to the front side of the nozzle body 93 is rearward. It is smaller than the load applied to the side. Therefore, it is optimal to provide the sliding member 100 made of a blanket on the front side of the nozzle body 93. Since the sliding member 100 is cheaper than the ball caster 99 and requires less space for mounting, the detachable nozzle 92 can be made inexpensive and compact. Further, since the load applied to the rear portion of the nozzle body 93 is large, if the sliding member 100 made of a blanket is provided in this portion, it will be worn in a short period of time. Therefore, the optimum solution is a structure in which the sliding member 100 is provided on the front side of the nozzle body 93 and the ball caster 99 is provided on the rear side. Further, behind the suction opening 96, a brush 101 formed long in the left-right direction is provided.

前記関節部94は、起伏部102と回動部103とを有する。前記起伏部102は、揺動筒部104と、連結管105と、接続部106とを有する。一方、前記回動部103は、接続部107と前記接続筒部95とを有する。前記揺動筒部104は、その第一回動軸AXが左右方向となるように、前記切欠部97において揺動可能に支持される。なお、前記第一回動軸AXは、前記ボールキャスター99の接地点99Aよりも前で、且つ前記ボールキャスター99と滑動部100の中間位置よりも後方に位置する。換言すれば、前記第一回動軸AXは、前記ボールキャスター99と滑動部100の間で、且つ後方寄りに位置する。また、前記連結管105は、前記第一回動軸AXと交差する方向に延びて、前記連結管105と一体に形成される。更に、前記接続部106には、前記回動部103の接続部107が第二回動軸AZ周りに回動可能に接続される。なお、前記回動部103の接続部107は、図3(b)のように前記関節部94が直立した状態において、前記起伏部102の接続部106の前方に位置する。このように、前記回動部103の接続部107が前記起伏部102の接続部106の前方に位置するので、前記接続筒部95及びこれに接続された前記延長管91や本体2を前記接続筒部95の中心軸AY回りに捻ることで、前記ノズル本体93の向きを変えることができる。また、前記関節部94が直立した状態において、前記回動部103の接続部107が前記ノズル本体93の前後方向ほぼ中央に位置する。そして、前記第二回動軸AZは、前記第一回動軸AXと直交する。また、前記第二回動軸AZは、前記中心軸AY方向と直交する。但し、前記回動部103が第二回動軸AZ周りに回動するので、前記第一回動軸AXと前記中心軸AYが直交するとは限らない。従って、前記起伏部102は、ノズル本体93に対し、前記第一回動軸AX周りに回動可能に接続される。そして、前記回動部103は、前記起伏部102に対し、前記第二回動軸AZ周りに回動可能に接続される。即ち、前記回動部103は、前記ノズル本体93に対し左右方向に傾斜可能に構成される The joint portion 94 has an undulating portion 102 and a rotating portion 103. The undulating portion 102 has a swing cylinder portion 104, a connecting pipe 105, and a connecting portion 106. On the other hand, the rotating portion 103 has a connecting portion 107 and the connecting cylinder portion 95. The swing cylinder portion 104 is swingably supported by the notch portion 97 so that the first rotation shaft AX is in the left-right direction. The first rotation shaft AX is located in front of the ground contact point 99A of the ball caster 99 and behind the intermediate position between the ball caster 99 and the sliding portion 100. In other words, the first rotation shaft AX is located between the ball caster 99 and the sliding portion 100 and closer to the rear. Further, the connecting pipe 105 extends in a direction intersecting with the first rotation shaft AX and is integrally formed with the connecting pipe 105. Further, the connecting portion 107 of the rotating portion 103 is rotatably connected to the connecting portion 106 around the second rotation shaft AZ. The connecting portion 107 of the rotating portion 103 is located in front of the connecting portion 106 of the undulating portion 102 in a state where the joint portion 94 is upright as shown in FIG. 3 (b). In this way, since the connecting portion 107 of the rotating portion 103 is located in front of the connecting portion 106 of the undulating portion 102, the connecting cylinder portion 95 and the extension pipe 91 and the main body 2 connected to the connecting cylinder portion 95 are connected. The direction of the nozzle body 93 can be changed by twisting the tube portion 95 around the central axis AY. Further, in a state where the joint portion 94 is upright, the connecting portion 107 of the rotating portion 103 is located substantially at the center of the nozzle body 93 in the front-rear direction. Then, the second rotation axis AZ is orthogonal to the first rotation axis AX. Further, the second rotation axis AZ is orthogonal to the central axis AY direction. However, since the rotating portion 103 rotates around the second rotation axis AZ, the first rotation axis AX and the central axis AY are not always orthogonal to each other. Therefore, the undulating portion 102 is rotatably connected to the nozzle body 93 around the first rotation shaft AX. Then, the rotating portion 103 is rotatably connected to the undulating portion 102 around the second rotating shaft AZ. That is, the rotating portion 103 is configured to be tiltable in the left-right direction with respect to the nozzle body 93 .

なお、前記関節部94は、図3(a)に示すように、後方に水平な状態まで倒すことができる。一方、前記関節部94は、図3(b)に示す直立した状態よりも前方に10度傾斜可能である。そして、このように前記関節部94が直立状態から前方に10度傾斜した状態において、前記回動部103の接続部107は、前記ノズル本体93の上方に位置する。より詳細には、前記接続部107は、前記ボールキャスター99の接地点99Aと前記滑動部100との間に位置する。 As shown in FIG. 3A, the joint portion 94 can be tilted backward to a horizontal state. On the other hand, the joint portion 94 can be tilted 10 degrees forward from the upright state shown in FIG. 3 (b). Then, in the state where the joint portion 94 is tilted forward by 10 degrees from the upright state in this way, the connecting portion 107 of the rotating portion 103 is located above the nozzle body 93. More specifically, the connecting portion 107 is located between the grounding point 99A of the ball caster 99 and the sliding portion 100.

次に、本実施形態の作用について説明する。なお、図5及び図6において示されていないが、使用者が前記把持部5を右手で把持しているものとする。被清掃面である床面S上を掃除する場合、使用者は、図5に示されるような、前記第一連結部6と第二連結部7とが前後に配列される姿勢で、前記把持部5を把持する。この姿勢では、前記着脱ノズル92のノズル本体93の長手方向は左右方向となる。なお、前記本体2と延長管91と関節部94の床面Sに対する角度は、図5の場合60度であるが、使用者の体型、使用者と前記電気掃除機1との位置関係、動かし方の癖等により変化し得る。従って、今後の説明において姿勢について述べる際、床面Sとの角度の違いは無視する。この姿勢のまま使用者が前記操作部8を押すと、前記本体2の胴部4内に設けられた図示しない電動送風機が作動して、吸引気流を発生させる。この吸引気流は、前記吸込開口96から吸引され、前記ノズル本体93、関節部94、接続筒部95、延長管91を経て前記吸込口4Bから胴部4内に流入する。この際、前記胴部4内に設けられた図示しないフィルタバッグにおいて、吸引気流中の塵埃が分離される。なお、塵埃を分離する機構は、サイクロン分離装置等であっても良い。更に、前記吸引気流は、前記電動送風機から図示しない排気口を経て前記胴部4外に排出される。また、前記操作部8を押すことで、前記表示部9から光が放出される。 Next, the operation of this embodiment will be described. Although not shown in FIGS. 5 and 6, it is assumed that the user is gripping the grip portion 5 with his right hand. When cleaning the floor surface S, which is the surface to be cleaned, the user holds the first connecting portion 6 and the second connecting portion 7 in a posture in which the first connecting portion 6 and the second connecting portion 7 are arranged in the front-rear direction as shown in FIG. The portion 5 is gripped. In this posture, the longitudinal direction of the nozzle body 93 of the detachable nozzle 92 is the left-right direction. The angle between the main body 2, the extension pipe 91, and the joint portion 94 with respect to the floor surface S is 60 degrees in the case of FIG. 5, but the body shape of the user, the positional relationship between the user and the vacuum cleaner 1, and the movement. It may change depending on the habit of the person. Therefore, when describing the posture in a future description, the difference in angle from the floor surface S is ignored. When the user pushes the operation unit 8 in this posture, an electric blower (not shown) provided in the body 4 of the main body 2 operates to generate a suction airflow. This suction airflow is sucked from the suction opening 96, passes through the nozzle body 93, the joint portion 94, the connection cylinder portion 95, and the extension pipe 91, and flows into the body portion 4 from the suction port 4B. At this time, dust in the suction airflow is separated in a filter bag (not shown) provided in the body portion 4. The mechanism for separating dust may be a cyclone separation device or the like. Further, the suction airflow is discharged from the electric blower to the outside of the body 4 through an exhaust port (not shown). Further, by pressing the operation unit 8, light is emitted from the display unit 9.

この姿勢のまま、使用者が、前記床面Sに沿って、図5に両矢印Dで示される前後方向に電気掃除機1を移動させることで、床面S上の塵埃が吸引される。なお、前記着脱ノズル92は、両矢印Dで示される前後方向にのみ動かされる訳ではなく、左右方向にも動かすことができる。即ち、前記着脱ノズル92を左右方向にずらしたり、左右方向に曲げたりすることができる。この際、前記ボールキャスター99が床面S上のあらゆる方向に転がることが可能であり、前記滑動部材100も床面S上のあらゆる方向に滑らすことが可能である。従って、前記着脱ノズル92は、床面S上のあらゆる方向に自由に動かすことができる。また、前記ボールキャスター99も滑動部材100も、瞬時に移動方向を変えることができるので、前記着脱ノズル92を動かす際に小回りがきく。なお、前述した通り、前記関節部94の第一回動軸AXが前記ボールキャスター99の接地点99Aよりも前に位置する。より詳細には、前記第一回動軸AXは、前記接地点99Aと前記滑動部100との間に位置する。このため、前記着脱ノズル92を前方に動かした際に、前記ノズル本体93の前側が浮き上がることがない。従って、前記吸込開口96と床面Sとの距離が適正に保たれる。 In this posture, the user moves the vacuum cleaner 1 in the front-rear direction indicated by the double-headed arrow D in FIG. 5 along the floor surface S, so that dust on the floor surface S is sucked. The detachable nozzle 92 is not only moved in the front-rear direction indicated by the double-headed arrow D, but can also be moved in the left-right direction. That is, the detachable nozzle 92 can be displaced in the left-right direction or bent in the left-right direction. At this time, the ball caster 99 can roll in all directions on the floor surface S, and the sliding member 100 can also slide in all directions on the floor surface S. Therefore, the detachable nozzle 92 can be freely moved in any direction on the floor surface S. Further, since the ball caster 99 and the sliding member 100 can change the moving direction instantaneously, a small turn can be made when moving the detachable nozzle 92. As described above, the first rotation axis AX of the joint portion 94 is located before the ground contact point 99A of the ball caster 99. More specifically, the first rotation shaft AX is located between the ground contact point 99A and the sliding portion 100. Therefore, when the detachable nozzle 92 is moved forward, the front side of the nozzle body 93 does not rise. Therefore, the distance between the suction opening 96 and the floor surface S is properly maintained.

図5の姿勢から、使用者が、前記把持部5を使用者から見て左回り(正面視で右回り)に90度捻ると、図6の姿勢となる。この姿勢では、前記第一連結部6が使用者から見て左側(正面視で右側)となり、第二連結部7が使用者から見て右側(正面視で左側)となる。そして、この姿勢では、前記着脱ノズル92のノズル本体93の長手方向は、前後方向となる。この場合、前記ノズル本体93の使用者から見た右側が前、左側が後となる(正面視では、前記ノズル本体93の左側が前、右側が後となる)。なお、使用者が前記把持部5を左手で把持し、この把持部5を使用者から見て右回りに回動させた場合、図6とは逆に、前記ノズル本体93の使用者から見た右側が後、左側が前となる(正面視では、前記ノズル本体93の右側が前、左側が後となる)。この姿勢では、前記ノズル本体93は、このノズル本体93の前端から前記突出部98の後端までの距離よりも広い隙間であれば、挿入することができる。なお、前記把持部5の捻り角度と前記ノズル本体93の水平方向の回動角度は一致する。即ち、前記把持部5を使用者から見て左回りに45度捻ると、前記ノズル本体93は左回りに45度回動する。 From the posture of FIG. 5, when the user twists the grip portion 5 counterclockwise (clockwise in front view) by 90 degrees when viewed from the user, the posture of FIG. 6 is obtained. In this posture, the first connecting portion 6 is on the left side (right side when viewed from the front) when viewed from the user, and the second connecting portion 7 is on the right side (left side when viewed from the front) when viewed from the user. In this posture, the longitudinal direction of the nozzle body 93 of the detachable nozzle 92 is the front-rear direction. In this case, the right side of the nozzle body 93 as seen from the user is the front and the left side is the rear (in front view, the left side of the nozzle body 93 is the front and the right side is the rear). When the user grips the grip portion 5 with his left hand and rotates the grip portion 5 clockwise when viewed from the user, the nozzle body 93 is viewed from the user, contrary to FIG. The right side is the rear and the left side is the front (in front view, the right side of the nozzle body 93 is the front and the left side is the rear). In this posture, the nozzle body 93 can be inserted as long as the gap is wider than the distance from the front end of the nozzle body 93 to the rear end of the protrusion 98. The twist angle of the grip portion 5 and the rotation angle of the nozzle body 93 in the horizontal direction coincide with each other. That is, when the grip portion 5 is twisted counterclockwise by 45 degrees when viewed from the user, the nozzle body 93 rotates counterclockwise by 45 degrees.

この姿勢のまま、使用者が、前記床面Sに沿って、図6に両矢印Dで示される前後方向に電気掃除機1を移動させることで、床面S上の塵埃が吸引される。なお、前記ノズル本体93を基準にすると、図5の姿勢に比べて90度異なった方向に移動することになる。しかしながら、前述したように、前記ノズル本体93に前記ボールキャスター99と滑動部材100が設けられるので、殆ど抵抗なく図6の両矢印Dの方向に前記着脱ノズル92を動かすことができる。なお、前記着脱ノズル92は、両矢印Dで示される前後方向にのみ動かされる訳ではなく、左右方向にも動かすことができる。即ち、前記着脱ノズル92を左右方向にずらしたり、左右方向に曲げたりすることができる。この際、前記ボールキャスター99が床面S上のあらゆる方向に転がることが可能であり、前記滑動部材100も床面S上のあらゆる方向に滑らすことが可能であることから、前記着脱ノズル92は床面S上のあらゆる方向に自由に動かすことができる。また、前記ボールキャスター99も滑動部材100も、瞬時に移動方向を変えることができるので、前記着脱ノズル92を動かす際に小回りがきく。なお、図6の姿勢における前記着脱ノズル92では、図4(b)に示すように、前記関節部94の回動部103の接続部107が、前記ノズル本体93のほぼ中央上方に位置する。このため、前記着脱ノズル92を両矢印Dの方向に移動させる際に、前記ノズル本体93の吸込開口96側も突出部98側も床面Sから浮き上がることなく、良好に移動させることができる。 In this posture, the user moves the vacuum cleaner 1 in the front-rear direction indicated by the double-headed arrow D in FIG. 6 along the floor surface S, so that dust on the floor surface S is sucked. When the nozzle body 93 is used as a reference, the nozzle body 93 moves in a direction 90 degrees different from the posture shown in FIG. However, as described above, since the ball caster 99 and the sliding member 100 are provided on the nozzle body 93, the detachable nozzle 92 can be moved in the direction of the double-headed arrow D in FIG. 6 with almost no resistance. The detachable nozzle 92 is not only moved in the front-rear direction indicated by the double-headed arrow D, but can also be moved in the left-right direction. That is, the detachable nozzle 92 can be displaced in the left-right direction or bent in the left-right direction. At this time, since the ball caster 99 can roll in all directions on the floor surface S and the sliding member 100 can also slide in all directions on the floor surface S, the detachable nozzle 92 can be used. It can be freely moved in any direction on the floor surface S. Further, since the ball caster 99 and the sliding member 100 can change the moving direction instantaneously, a small turn can be made when moving the detachable nozzle 92. In the detachable nozzle 92 in the posture of FIG. 6, as shown in FIG. 4B, the connecting portion 107 of the rotating portion 103 of the joint portion 94 is located substantially above the center of the nozzle body 93. Therefore, when the detachable nozzle 92 is moved in the direction of the double-headed arrow D, neither the suction opening 96 side nor the protruding portion 98 side of the nozzle body 93 can be satisfactorily moved without being lifted from the floor surface S.

なお、使用者の癖によっては、図5の姿勢から90度より大きく捻ったり、90度より小さく捻ったりする場合もある。また、使用者の癖によっては、図6の姿勢から前記電気掃除機1を両矢印Dの方向に移動させる際に、意図せず前記中心軸AY回りに回動してしまう可能性もある。しかしながら、前述したように、前記関節部94は、前記突出部98側(後方)に水平な状態から前記吸込開口96側(前方)に10度傾斜した状態までの間で回動可能である。このため、使用者が図5の姿勢から前記把持部5を100度捻ったとしても、前記関節部94が垂直から前記吸込開口96側に10度傾斜できるので、許容される。また、使用者が図5の姿勢から前記把持部5を80度捻ったとしても、前記関節部94が垂直から前記突出部98側に10度傾斜した状態となる。従って、前記把持部5の捻り量90度に対し多少の誤差があったとしても、許容される。 Depending on the habit of the user, the posture shown in FIG. 5 may be twisted more than 90 degrees or less than 90 degrees. Further, depending on the habit of the user, when the vacuum cleaner 1 is moved in the direction of the double-headed arrow D from the posture of FIG. 6, it may unintentionally rotate around the central axis AY. However, as described above, the joint portion 94 can rotate from a state horizontal to the protrusion 98 side (rear) to a state tilted 10 degrees toward the suction opening 96 side (front). Therefore, even if the user twists the grip portion 5 by 100 degrees from the posture shown in FIG. 5, the joint portion 94 can be tilted 10 degrees from the vertical to the suction opening 96 side, which is acceptable. Further, even if the user twists the grip portion 5 by 80 degrees from the posture shown in FIG. 5, the joint portion 94 is tilted 10 degrees from the vertical to the protruding portion 98 side. Therefore, even if there is some error with respect to the twist amount of 90 degrees of the grip portion 5, it is permissible.

なお、使用者が図5の姿勢から100度を超えて前記把持部5を捻った場合は、前記突出部98側が前記床面Sから浮くことになる。しかしながら、図5の姿勢から前記把持部5を捻る角度が90度でない場合、前記ノズル本体93の長手方向と両矢印Dの方向は平行とならず、90度との差に応じた角度をなす。従って、前記把持部5の捻り角度が大きかったり小さかったりすることを、前記着脱ノズル92を見ることで知ることができる。このため、使用者は、前記ノズル本体93の長手方向と両矢印Dの方向がほぼ平行となるように、前記把持部5の捻り角度を調整することができる。その上で、前記着脱ノズル92を両矢印Dの方向に移動させた際に前記中心軸AY回りの回動運動が生じたとしても、前記関節部94の揺動範囲内であれば許容される。なお、前記接続筒部95が前記中心軸AY周りに回動すると、前記ノズル本体93が水平方向に揺動することになる。しかしながら、前記ノズル本体93に前記ボールキャスター99と滑動部材100が設けられるので、揺動しながらでも前記着脱ノズル92を両矢印Dの方向にスムーズに移動させることができる。 When the user twists the grip portion 5 by more than 100 degrees from the posture shown in FIG. 5, the protruding portion 98 side floats from the floor surface S. However, when the angle at which the grip portion 5 is twisted from the posture of FIG. 5 is not 90 degrees, the longitudinal direction of the nozzle body 93 and the direction of the double-headed arrow D are not parallel, and form an angle corresponding to the difference from 90 degrees. .. Therefore, it can be known by looking at the detachable nozzle 92 that the twist angle of the grip portion 5 is large or small. Therefore, the user can adjust the twist angle of the grip portion 5 so that the longitudinal direction of the nozzle body 93 and the direction of the double-headed arrow D are substantially parallel to each other. On top of that, even if a rotational movement around the central axis AY occurs when the detachable nozzle 92 is moved in the direction of the double-headed arrow D, it is permissible as long as it is within the swing range of the joint portion 94. .. When the connecting cylinder portion 95 rotates around the central axis AY, the nozzle body 93 swings in the horizontal direction. However, since the ball caster 99 and the sliding member 100 are provided on the nozzle body 93, the detachable nozzle 92 can be smoothly moved in the direction of the double-headed arrow D even while swinging.

なお、前記関節部94が垂直に対し前方に10度傾いた状態のまま、両矢印Dの方向に移動させることができる。この場合でも、前述した通り、前記回動部103の接続部107は、前記ノズル本体93の上方、より詳細には、前記ボールキャスター99の接地点99Aと前記滑動部100との間に位置する。このため、前記着脱ノズル92を両矢印Dの方向に移動させる際に、前記ノズル本体93の吸込開口96側も突出部98側も床面Sから浮き上がることなく、良好に移動させることができる。 The joint portion 94 can be moved in the direction of the double-headed arrow D while being tilted forward by 10 degrees with respect to the vertical direction. Even in this case, as described above, the connecting portion 107 of the rotating portion 103 is located above the nozzle body 93, more specifically, between the grounding point 99A of the ball caster 99 and the sliding portion 100. .. Therefore, when the detachable nozzle 92 is moved in the direction of the double-headed arrow D, neither the suction opening 96 side nor the protruding portion 98 side of the nozzle body 93 can be satisfactorily moved without being lifted from the floor surface S.

以上のように本発明の電気掃除機用ノズルである着脱ノズル92は、長手方向と短手方向を有するノズル本体93と、前記長手方向に形成された第一回動軸AX回りに回動可能な関節部94と、この関節部94の端部に形成された接続筒部95とを有し、前記ノズル本体93の短手方向の一方側である後側に、被清掃面である床面Sに接するボールキャスター99が設けられ、前記ノズル本体93の短手方向の他方側である前側に、床面Sに接する滑動部100が設けられると共に、前記第一回動軸AXが、短手方向における前記ボールキャスター99と滑動部100との間で且つ前記ボールキャスター99寄りに設けられることにより、安価な構成で、前記ノズル本体93の前部又は後部が浮くことなく、前記ノズル本体93を水平方向に自由に移動させることができるものである。 As described above, the detachable nozzle 92, which is the nozzle for the electric vacuum cleaner of the present invention, can rotate around the nozzle body 93 having the longitudinal direction and the lateral direction and the first rotation shaft AX formed in the longitudinal direction. A floor surface to be cleaned, which has a joint portion 94 and a connecting cylinder portion 95 formed at the end of the joint portion 94, and is on the rear side, which is one side in the lateral direction of the nozzle body 93. A ball caster 99 in contact with S is provided, a sliding portion 100 in contact with the floor surface S is provided on the front side of the nozzle body 93 on the other side in the lateral direction, and the first rotation shaft AX is provided with a short side. By being provided between the ball caster 99 and the sliding portion 100 in the direction and closer to the ball caster 99, the nozzle body 93 can be provided in an inexpensive configuration without the front or rear portion of the nozzle body 93 floating. It can be freely moved in the horizontal direction.

また、本発明の着脱ノズル92は、前記関節部94が、前記第一回動軸AX回りに回動可能な起伏部102と、前記第一回動軸AX及び前記接続筒部95の中心軸AYと交差する第二回動軸AZ回りに回動可能な回動部103とを有し、前記回動部103が前記長手方向である左右方向に傾斜可能に構成されることで、前記接続筒部95を前記中心軸AY周りに回動させる動きで前記ノズル本体93の向きを変えることができるものである。 Further, in the detachable nozzle 92 of the present invention, the joint portion 94 has an undulating portion 102 in which the joint portion 94 can rotate around the first rotation shaft AX, and the central axis of the first rotation shaft AX and the connection cylinder portion 95. The rotating portion 103 has a rotating portion 103 that can rotate around the second rotating shaft AZ that intersects with the AY, and the rotating portion 103 is configured to be tiltable in the left-right direction, which is the longitudinal direction. The direction of the nozzle body 93 can be changed by rotating the connecting cylinder portion 95 around the central axis AY.

また、本発明の着脱ノズル92は、前記起伏部102が、前側に10度傾斜可能に構成されることで、使用者の癖で前記接続筒部95を中心軸AY回りに回動させ過ぎたとしても、前記ノズル本体93のボールキャスター99側が浮くことがなく、良好に塵埃を吸引することができるものである。 Further, in the detachable nozzle 92 of the present invention, the undulating portion 102 is configured to be tiltable by 10 degrees to the front side, so that the connecting cylinder portion 95 is rotated too much around the central axis AY due to the user's habit. Even so, the ball caster 99 side of the nozzle body 93 does not float, and dust can be sucked satisfactorily.

更に、本発明の着脱ノズル92は、前記関節部94が直立した状態において、前記回動部103が、前記起伏部102の前側に設けられると共に、前記起伏部102を前方に最大限傾斜させた状態で、前記回動部103の接続部107が前記ノズル本体93の上方で且つ短手方向における前記ボールキャスター99の接地点99Aと滑動部100との間に位置することで、前記ノズル本体93の長手方向が前後となる姿勢で前記着脱ノズル92を動かした際に、前記ボールキャスター99側が浮くことがなく、良好に塵埃を吸引することができるものである。 Further, in the detachable nozzle 92 of the present invention, when the joint portion 94 is upright, the rotating portion 103 is provided on the front side of the undulating portion 102, and the undulating portion 102 is tilted to the maximum forward. In this state, the connecting portion 107 of the rotating portion 103 is located above the nozzle main body 93 and between the grounding point 99A of the ball caster 99 and the sliding portion 100 in the lateral direction, so that the nozzle main body 93 is located. When the detachable nozzle 92 is moved in a posture in which the longitudinal direction of the nozzle is front and back, the ball caster 99 side does not float and dust can be sucked satisfactorily.

なお、本発明は以上の実施形態に限定されるものではなく、発明の要旨の範囲内で種々の変形実施が可能である。例えば、上記実施形態では、前記ボールキャスター99を前記ノズル本体93の後部から突出する突出部98に設けたが、この突出部98を設けずに前記ノズル本体93にボールキャスター99を設けても良い。また、上記実施形態では、前記関節部94の垂直に対する前傾角度を最大10度としたが、10度以上としても良く、また、10度以下としても良い。 The present invention is not limited to the above embodiments, and various modifications can be made within the scope of the gist of the invention. For example, in the above embodiment, the ball caster 99 is provided on the protruding portion 98 protruding from the rear portion of the nozzle body 93, but the ball caster 99 may be provided on the nozzle body 93 without providing the protruding portion 98. .. Further, in the above embodiment, the maximum forward tilt angle of the joint portion 94 with respect to the vertical is 10 degrees, but it may be 10 degrees or more, or 10 degrees or less.

1 電気掃除機
92 着脱ノズル(電気掃除機用ノズル)
93 ノズル本体
94 関節部
95 接続筒部
99 ボールキャスター
99A 接地点
100 滑動部
102 起伏部
103 回動部
AX 第一回動軸
AY 接続筒部の中心軸
AZ 第二回動軸
S 床面(被清掃面)
1 Electric vacuum cleaner 92 Detachable nozzle (nozzle for electric vacuum cleaner)
93 Nozzle body 94 Joint part 95 Connection cylinder part 99 Ball caster 99A Grounding point 100 Sliding part 102 Undulating part 103 Rotating part AX First rotating shaft AY Central axis of connecting cylinder AZ Second rotating shaft S Floor surface (covered) Cleaning surface)

Claims (1)

長手方向と短手方向を有するノズル本体と、前記長手方向に形成された第一回動軸回りに回動可能な関節部と、この関節部の端部に形成された接続筒部とを有する電気掃除機用ノズルにおいて、
前記ノズル本体の短手方向の一方側に、被清掃面に接するボールキャスターが設けられ、前記ノズル本体の短手方向の他方側に、被清掃面に接する滑動部が設けられ、前記第一回動軸が、短手方向における前記ボールキャスターと滑動部との間で且つ前記ボールキャスター寄りに設けられ
前記関節部が、前記第一回動軸回りに回動可能な起伏部と、前記第一回動軸及び前記接続筒部の中心軸と交差する第二回動軸回りに回動可能な回動部とを有し、この回動部が、前記長手方向に傾斜可能に構成され、
前記起伏部が、前記短手方向の他方側に傾斜可能に構成されると共に、
前記関節部が直立した状態において、前記回動部が、前記起伏部における前記短手方向の他方側に設けられ、前記起伏部を前記短手方向の他方側に最大限傾斜させた状態で、前記回動部が前記ノズル本体の上方で且つ短手方向における前記ボールキャスターの接地点と滑動部との間に位置することを特徴とする電気掃除機用ノズル。
It has a nozzle body having a longitudinal direction and a lateral direction, a joint portion formed in the longitudinal direction that can rotate around the first rotation axis, and a connecting cylinder portion formed at the end of the joint portion. In the nozzle for electric vacuum cleaner
A ball caster in contact with the surface to be cleaned is provided on one side of the nozzle body in the lateral direction, and a sliding portion in contact with the surface to be cleaned is provided on the other side of the nozzle body in the lateral direction. A rotation shaft is provided between the ball caster and the sliding portion in the lateral direction and near the ball caster .
The rotation at which the joint portion can rotate around the second rotation axis that intersects the undulating portion that can rotate around the first rotation axis and the central axis of the first rotation shaft and the connection cylinder portion. It has a moving part, and this rotating part is configured to be tiltable in the longitudinal direction.
The undulating portion is configured to be tiltable to the other side in the lateral direction, and the undulating portion is configured to be tiltable.
In a state where the joint portion is upright, the rotating portion is provided on the other side of the undulating portion in the lateral direction, and the undulating portion is tilted to the other side in the lateral direction as much as possible. A nozzle for an electric vacuum cleaner , wherein the rotating portion is located above the nozzle body and between the grounding point of the ball caster and the sliding portion in the lateral direction .
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