JP2018015299A - Extension pipe for vacuum cleaner - Google Patents

Extension pipe for vacuum cleaner Download PDF

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JP2018015299A
JP2018015299A JP2016148464A JP2016148464A JP2018015299A JP 2018015299 A JP2018015299 A JP 2018015299A JP 2016148464 A JP2016148464 A JP 2016148464A JP 2016148464 A JP2016148464 A JP 2016148464A JP 2018015299 A JP2018015299 A JP 2018015299A
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pipe
vacuum cleaner
extension
straight
cross
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大西 裕二
Yuji Onishi
裕二 大西
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Sharp Corp
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Sharp Corp
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Abstract

PROBLEM TO BE SOLVED: To provide an extension pipe for a vacuum cleaner, that attains weight saving while keeping rigidity required in usage.SOLUTION: An extension pipe for a vacuum cleaner includes: a first connection pipe to be connected to a cleaner body; a second connection pipe to be connected to a suction port body; and a straight pipe connected between the first connection pipe and the second connection pipe. In a usable state where the first and second connection pipes are connected to the cleaner body and the suction port body, the straight pipe has rigidity that is the rigidity in a vertical direction orthogonal to a length direction and a horizontal direction and is larger than rigidity in a horizontal direction orthogonal to a length direction.SELECTED DRAWING: Figure 2

Description

本発明は電気掃除機の延長管に関する。   The present invention relates to an extension tube of a vacuum cleaner.

従来の延長管を有する電気掃除機として、例えば、特許文献1および2にはスティック型の電気掃除機が開示され、特許文献3にはアップライト型の電気掃除機が開示されている。これらの電気掃除機において、延長管は、円形の横断面形状を有する円筒形に形成されたものが一般的である。   As conventional vacuum cleaners having an extension tube, for example, Patent Documents 1 and 2 disclose stick-type vacuum cleaners, and Patent Document 3 discloses an upright-type vacuum cleaner. In these vacuum cleaners, the extension tube is generally formed in a cylindrical shape having a circular cross-sectional shape.

スティック型、アップライト型、キャニスター型等の延長管を有する電気掃除機において、延長管は、ユーザーが立ったままの姿勢で床掃除が行えるよう手元までハンドルの高さを上げる役割と、掃除したい方向に床面上の吸込口体の向きを変える役割とを有する。   In vacuum cleaners with extension pipes such as stick type, upright type, canister type, etc., the extension pipe is intended to clean the role of raising the handle to the hand so that the user can clean the floor while standing It has a role to change the direction of the suction port body on the floor surface in the direction.

特開2002−165739号公報JP 2002-165739 A 特開2015−202414号公報Japanese Patent Laying-Open No. 2015-202414 特開平9−224884号公報Japanese Patent Laid-Open No. 9-224884

複数階を有する住宅内で1つの電気掃除機を使用する場合、ユーザーは電気掃除機を階段で持ち運ばねばならないため、電気掃除機に対して軽量化が強く求められている。また、特許文献2のような掃除機本体にハンドルが設けられたスティック型の電気掃除機の場合、吸込口体が床面上に載置された使用時においてもユーザーの手元に大きな荷重がかかるため、特に軽量化が求められている。   When a single vacuum cleaner is used in a house having a plurality of floors, the user must carry the vacuum cleaner on the stairs, so that weight reduction is strongly demanded for the vacuum cleaner. Further, in the case of a stick-type vacuum cleaner in which a handle is provided on the cleaner body as in Patent Document 2, a large load is applied to the user's hand even when the suction port body is placed on the floor surface. Therefore, particularly weight reduction is required.

本発明は、このような課題に鑑みなされたものであり、使用時における必要な剛性を維持しながら軽量化できる電気掃除機の延長管を提供することを目的とする。   This invention is made | formed in view of such a subject, and it aims at providing the extension pipe | tube of the vacuum cleaner which can be reduced in weight, maintaining the required rigidity at the time of use.

かくして、本発明によれば、掃除機本体と接続可能な第1接続管部と、吸込口体と接続可能な第2接続管部と、前記第1接続管部と前記第2接続管部との間に連設されたストレート管部とを有し、
前記ストレート管部は、前記第1および第2接続管部が掃除機本体および吸込口体に接続された使用可能な状態において、長さ方向と直交する左右方向の剛性よりも大きい、長さ方向および左右方向と直交する上下方向の剛性を有するように構成された電気掃除機の延長管が提供される。
Thus, according to the present invention, the first connection pipe part connectable to the cleaner body, the second connection pipe part connectable to the suction port body, the first connection pipe part and the second connection pipe part, And a straight pipe portion connected between
The straight pipe portion is longer than the rigidity in the left-right direction perpendicular to the length direction in the usable state in which the first and second connection pipe portions are connected to the vacuum cleaner body and the suction port body. An extension tube of a vacuum cleaner configured to have rigidity in the vertical direction orthogonal to the horizontal direction is provided.

スティック型、アップライト型、キャニスター型等の延長管を有する電気掃除機を用いて清掃する際、ユーザーが延長管を介して吸込口体を床面に押さえ付ける所作によって、延長管には上方向からの荷重がかかる。一方、掃除動作において、延長管に左右方向の荷重をかける所作はほとんどない。
このような観点から、本発明の電気掃除機の延長管において、総重量の大部分を占めるストレート管部は、前記第1および第2接続管部が掃除機本体および吸込口体に接続された使用可能な状態において、長さ方向と直交する左右方向の剛性よりも大きい、長さ方向および左右方向と直交する上下方向の剛性を有するように構成されている。
When cleaning using a vacuum cleaner with an extension pipe, such as stick type, upright type, canister type, etc., the user presses the suction port against the floor surface through the extension pipe, so that the extension pipe faces upward. The load from is applied. On the other hand, in the cleaning operation, there is almost no operation that applies a load in the left-right direction to the extension pipe.
From such a viewpoint, in the extension pipe of the vacuum cleaner of the present invention, the straight pipe portion occupying most of the total weight is such that the first and second connection pipe portions are connected to the vacuum cleaner body and the suction port body. In a usable state, it is configured to have rigidity in the vertical direction perpendicular to the length direction and the left-right direction that is greater than the rigidity in the left-right direction perpendicular to the length direction.

すなわち、この延長管のストレート管部は、剛性が異方性を有するよう構成されている。具体的には、例えば、(I)上下方向の幅よりも左右方向の幅が狭い横断面形状にストレート管部を形成する、あるいは(II)円形の横断面形状における上下方向の肉厚を左右方向の肉厚よりも薄くすることにより、使用時における上方からの耐荷重性を維持しながら軽量化を図ることができる。
なお、前記(II)の構成の場合、厚さを薄くした部位に物が当たったときに部分的な凹みが形成されやすいことから、前記(I)の構成の方が好ましい。さらに、前記(I)の構成は前記(II)の構成よりもストレート管部が握りやすくなるというメリットも得られる。
That is, the straight pipe portion of the extension pipe is configured so that the rigidity is anisotropic. Specifically, for example, (I) the straight pipe portion is formed in a cross-sectional shape whose width in the left-right direction is narrower than the width in the vertical direction, or (II) the thickness in the vertical direction in the circular cross-sectional shape is By making it thinner than the thickness in the direction, the weight can be reduced while maintaining the load resistance from above during use.
In the case of the configuration of (II), the configuration of (I) is more preferable because a partial dent is likely to be formed when an object hits a portion having a reduced thickness. Further, the configuration (I) also has an advantage that the straight pipe portion is easier to grip than the configuration (II).

本発明の実施形態1の延長管を備えたスティック型電気掃除機を示す斜視図である。It is a perspective view which shows the stick type vacuum cleaner provided with the extension pipe | tube of Embodiment 1 of this invention. 実施形態1の延長管を示す斜視図である。FIG. 3 is a perspective view showing an extension tube of the first embodiment. (A)は実施形態1の延長管の横断面図であり、(B)は従来の延長管の横断面図である。(A) is a cross-sectional view of the extension pipe of Embodiment 1, and (B) is a cross-sectional view of a conventional extension pipe. 実施形態1の電気掃除機の使用時における延長管にかかる荷重を説明する図である。It is a figure explaining the load concerning an extension pipe at the time of use of the electric vacuum cleaner of Embodiment 1. FIG. 実施形態1の延長管を備えた他のスティック型電気掃除機の使用状態を説明する図である。It is a figure explaining the use condition of the other stick type vacuum cleaner provided with the extension pipe | tube of Embodiment 1. FIG. 実施形態1の延長管を備えたキャニスター型電気掃除機の使用状態を説明する図である。It is a figure explaining the use condition of the canister type | mold vacuum cleaner provided with the extension pipe | tube of Embodiment 1. FIG. 本発明の電気掃除機の延長管の実施形態2を示す斜視図である。It is a perspective view which shows Embodiment 2 of the extension pipe | tube of the vacuum cleaner of this invention. 実施形態2の延長管の横断面図である。6 is a cross-sectional view of an extension pipe according to Embodiment 2. FIG. (A)は実施形態3−1の延長管の横断面図であり、(B)は実施形態3−2の延長管の横断面図である。(A) is a cross-sectional view of the extension pipe of Embodiment 3-1, (B) is a cross-sectional view of the extension pipe of Embodiment 3-2. (A)は実施形態4−1の延長管の横断面図であり、(B)は実施形態4−2の延長管の横断面図である。(A) is a cross-sectional view of the extension pipe of Embodiment 4-1, and (B) is a cross-sectional view of the extension pipe of Embodiment 4-2. (A)は実施形態5−1の延長管の横断面図であり、(B)は実施形態5−2の延長管の横断面図である。(A) is a cross-sectional view of the extension pipe of Embodiment 5-1, and (B) is a cross-sectional view of the extension pipe of Embodiment 5-2.

(実施形態1)
図1は本発明の実施形態1の延長管を備えたスティック型電気掃除機を示す斜視図であり、図2は実施形態1の延長管を示す斜視図である。また、図3(A)は実施形態1の延長管の横断面図であり、(B)は従来の延長管の横断面図である。また、図4は実施形態1の電気掃除機の使用時における延長管にかかる荷重を説明する図である。
(Embodiment 1)
FIG. 1 is a perspective view showing a stick-type vacuum cleaner provided with an extension tube according to the first embodiment of the present invention, and FIG. 2 is a perspective view showing the extension tube according to the first embodiment. FIG. 3A is a cross-sectional view of the extension tube of Embodiment 1, and FIG. 3B is a cross-sectional view of a conventional extension tube. Moreover, FIG. 4 is a figure explaining the load concerning an extension pipe at the time of use of the electric vacuum cleaner of Embodiment 1. FIG.

このスティック型(タイプA)の電気掃除機100は、掃除機本体10と、掃除機本体10に着脱可能に装着されるダストカップユニット20と、掃除機本体10の接続吸引部10bと接続される本発明の延長管30と、延長管30と接続される吸込口体40とを備える。   The stick-type (type A) vacuum cleaner 100 is connected to the cleaner body 10, the dust cup unit 20 detachably attached to the cleaner body 10, and the connection suction portion 10 b of the cleaner body 10. The extension pipe 30 of the present invention and a suction port body 40 connected to the extension pipe 30 are provided.

掃除機本体10は、バッテリーおよび電動送風機を内蔵する胴部10aと、胴部10aから前方へ突出する筒形の前記接続吸引部10bと、胴部10aの後部に設けられた円弧形のハンドル10cと、ハンドル10cに設けられた電源スイッチを含む複数のスイッチを有する操作部10dとを備える。   The vacuum cleaner main body 10 includes a body portion 10a containing a battery and an electric blower, a cylindrical connection suction portion 10b protruding forward from the body portion 10a, and an arc-shaped handle provided at the rear portion of the body portion 10a. 10c and an operation unit 10d having a plurality of switches including a power switch provided on the handle 10c.

掃除機本体10の接続吸引部10bの先端には、延長管30の後述する第1接続管部31を差し込んで接続するための接続口が設けられている。また、掃除機本体10の胴部10aの左右一方の側面には排気口が設けられている。
ダストカップユニット20は、掃除機本体10の接続吸引部10bの下面に沿って装着されるサイクロン方式の集塵装置であり、内部にフィルターが設けられている。
A connection port for inserting and connecting a first connection tube portion 31 (described later) of the extension tube 30 is provided at the tip of the connection suction portion 10 b of the cleaner body 10. An exhaust port is provided on one of the left and right side surfaces of the body portion 10a of the cleaner body 10.
The dust cup unit 20 is a cyclone type dust collecting device mounted along the lower surface of the connection suction portion 10b of the cleaner body 10, and a filter is provided therein.

吸込口体40は、底面に吸込口を有する吸込口本体41と、吸込口本体41と連結した接続部42とを有している。また、接続部42は、吸込口本体41と前後方向の軸心廻りに回動可能に取り付けられた第1管部42aと、前記前後方向の軸心と直交する左右軸心廻りに揺動可能に第1管部42aに取り付けられた第2管部42bとを有し、第2管部42bの端部は延長管30の第2接続管部32内に差し込まれる筒部42b1となっている。 The suction port body 40 includes a suction port body 41 having a suction port on the bottom surface, and a connection portion 42 connected to the suction port body 41. Further, the connecting portion 42 can swing around the suction port body 41 and a first tube portion 42a attached to be rotatable about the front-rear axis, and a left-right axis perpendicular to the front-rear axis. And a second tube portion 42b attached to the first tube portion 42a, and an end portion of the second tube portion 42b is a cylindrical portion 42b 1 inserted into the second connection tube portion 32 of the extension tube 30. Yes.

掃除機本体10内の電動送風機が駆動すると、吸込口体40から延長管30を介して掃除機本体10の接続吸引部10b内へ塵埃を含む空気が流入し、その空気は接続吸引部10bからダストカップユニット20内へ流入して塵埃が遠心分離され、塵埃が除去された空気は掃除機本体10の胴部10a内へ流入して排気口から外部へ排出される。   When the electric blower in the vacuum cleaner main body 10 is driven, air containing dust flows into the connection suction portion 10b of the vacuum cleaner main body 10 from the suction port body 40 through the extension pipe 30, and the air flows from the connection suction portion 10b. The dust flows into the dust cup unit 20 and the dust is centrifuged. The air from which the dust has been removed flows into the body portion 10a of the cleaner body 10 and is discharged from the exhaust port to the outside.

<延長管の構成について>
図1〜4に示すように、実施形態1の延長管30は、ポリプロピレン等の樹脂にて成形されており、掃除機本体10と接続可能な前記第1接続管部31と、吸込口体40と接続可能な第2接続管部32と、第1接続管部31と第2接続管部32との間に連設されたストレート管部33とを有する。
<About the configuration of the extension pipe>
As shown in FIGS. 1 to 4, the extension pipe 30 of the first embodiment is formed of a resin such as polypropylene, and the first connection pipe portion 31 that can be connected to the cleaner body 10 and the suction port body 40. A second connecting pipe part 32 connectable to the first connecting pipe part 31 and a straight pipe part 33 provided between the first connecting pipe part 31 and the second connecting pipe part 32.

この延長管30において、ストレート管部33は、第1および第2接続管部31、32が掃除機本体10および吸込口体40に接続された使用可能な状態において、長さ方向(矢印A方向)と直交する左右方向(矢印B方向:第1の幅方向)の剛性よりも大きい、長さ方向および左右方向と直交する上下方向(矢印C方向:第2の幅方向)の剛性を有するように構成されている。   In the extension pipe 30, the straight pipe portion 33 is formed in a length direction (in the direction of arrow A) in a usable state in which the first and second connection pipe portions 31 and 32 are connected to the cleaner body 10 and the suction port body 40. ) In the vertical direction (arrow C direction: second width direction) perpendicular to the length direction and the left-right direction, greater than the rigidity in the left-right direction (arrow B direction: first width direction) It is configured.

実施形態1の場合、ストレート管部33は、第2の幅方向(矢印C方向)の幅W2よりも第1の幅方向(矢印B方向)の幅W1が狭い楕円形の横断面形状に形成されている。
また、延長管30の第1、第2接続管部31、32もストレート管部33と同様の楕円形の横断面形状に形成されると共に、掃除機本体10の前記接続口および吸込口体40の前記筒部42b1も延長管30の第1、第2接続管部31、32と同様の楕円形の横断面形状に形成されている。
In the case of the first embodiment, the straight pipe portion 33 has an elliptical cross-sectional shape in which the width W 1 in the first width direction (arrow B direction) is narrower than the width W 2 in the second width direction (arrow C direction). Is formed.
Further, the first and second connection pipe portions 31 and 32 of the extension pipe 30 are also formed in an elliptical cross-sectional shape similar to the straight pipe portion 33, and the connection port and the suction port body 40 of the cleaner body 10. The cylindrical portion 42b 1 is also formed in an elliptical cross-sectional shape similar to the first and second connecting tube portions 31 and 32 of the extension tube 30.

また、掃除機本体10の接続口に差し込まれるよう延長管30の第1接続管部31はストレート管部33よりも肉厚分程度細く形成され、吸込口体40の筒部42b1が挿入されるように延長管30の第2接続管部32はストレート管部33よりも肉厚分程度太く形成されている。なお、図2に示した延長管30において、第1接続管部31と第2接続管部32のストレート管部33に対する肉厚関係は、反対であってもよい。つまり、掃除機本体10の接続口に設けられた筒部が挿入されるように延長管30の第1接続管部31はストレート管部33よりも肉厚分程度太く形成され、かつ吸込口体40の接続口に差し込まれるよう延長管30の第2接続管部32はストレート管部33よりも肉厚分程度細く形成されてもよい。 Further, the first connection tube portion 31 of the extension tube 30 is formed to be thinner than the straight tube portion 33 so as to be inserted into the connection port of the cleaner body 10, and the tube portion 42 b 1 of the suction port body 40 is inserted. As described above, the second connecting pipe portion 32 of the extension pipe 30 is formed to be thicker than the straight pipe portion 33 by a thickness. In the extension pipe 30 shown in FIG. 2, the thickness relationship of the first connection pipe part 31 and the second connection pipe part 32 with respect to the straight pipe part 33 may be reversed. That is, the first connection pipe part 31 of the extension pipe 30 is formed thicker than the straight pipe part 33 so that the tube part provided at the connection port of the cleaner body 10 is inserted, and the suction port body The second connection pipe portion 32 of the extension pipe 30 may be formed to be thinner than the straight pipe portion 33 by about a thickness so as to be inserted into the connection port 40.

図3(A)および(B)では、実施形態1の延長管30のストレート管部33の横断面形状と、従来の円筒形の延長管のストレート管部33xの横断面形状とを比較している。
実施形態1におけるストレート管部33の長径に相当する幅W2を、従来の円形のストレート管33xの外径Dと同じ寸法に設定すると、ストレート管部33の短径に相当する幅W1はストレート管部33xの外径Dよりも小さくなる。実施形態1のストレート管部33の場合、ストレート管部33の幅W1がストレート管部33xの外径Dの約72%となる楕円形の横断面形状に形成されている。したがって、握りやすさに関しては、円形のストレート管部33xよりも楕円形のストレート管部33の方が握りやすくなる。
3A and 3B, the cross-sectional shape of the straight tube portion 33 of the extension tube 30 of the first embodiment is compared with the cross-sectional shape of the straight tube portion 33x of the conventional cylindrical extension tube. Yes.
When the width W 2 corresponding to the long diameter of the straight tube portion 33 in the first embodiment is set to the same dimension as the outer diameter D of the conventional circular straight tube 33x, the width W 1 corresponding to the short diameter of the straight tube portion 33 is It becomes smaller than the outer diameter D of the straight pipe portion 33x. In the case of the straight tube portion 33 of the first embodiment, the straight tube portion 33 is formed in an elliptical cross-sectional shape in which the width W 1 of the straight tube portion 33 is about 72% of the outer diameter D of the straight tube portion 33x. Therefore, regarding the ease of gripping, the elliptical straight tube portion 33 is easier to grip than the circular straight tube portion 33x.

剛性に関して、図4に示すように、掃除の際に、ユーザーが吸込口体40を床面Fへ押し付ける所作をとることによって、延長管30には上下方向(矢印C方向)の荷重がかかるが、実施形態1の延長管30は上下方向の幅W2が左右方向の幅W1よりも広いため上下方向の耐荷重性が維持される。 Regarding the rigidity, as shown in FIG. 4, when the user takes the action of pressing the suction port body 40 against the floor surface F during cleaning, a load in the vertical direction (arrow C direction) is applied to the extension pipe 30. The extension pipe 30 of the first embodiment maintains the load resistance in the vertical direction because the vertical width W 2 is wider than the horizontal width W 1 .

剛性に関する検証のために、全長590mm、長径32mm、短径27mm、肉厚1.2mm、総重量73g、材質をポリプロピレンとした横断面楕円形の延長管30(実施例1)を作製し、この延長管30の左右両端部支持し長さ方向中間部に300Nの力を上下方向(長径方向)からかけた場合、負荷点付近の応力は約10Mpa、最大変位は5.3mmであった。また、延長管30の左右両端部を支持し長さ方向中間部に300Nの力を左右方向(短径方向)からかけた場合、負荷点付近の応力は約30Mpa、最大変位は23mmであった。   In order to verify the rigidity, an extension tube 30 (Example 1) having a total length of 590 mm, a long diameter of 32 mm, a short diameter of 27 mm, a wall thickness of 1.2 mm, a total weight of 73 g, and a material made of polypropylene was prepared. When a 300 N force was applied from the vertical direction (major diameter direction) to the middle portion in the longitudinal direction while supporting both left and right ends of the extension tube 30, the stress near the load point was about 10 Mpa and the maximum displacement was 5.3 mm. When the left and right ends of the extension tube 30 were supported and a force of 300 N was applied to the middle in the length direction from the left and right direction (the minor axis direction), the stress near the load point was about 30 Mpa and the maximum displacement was 23 mm. .

また、比較のために、全長480mm、外径36mm、肉厚2mm、総重量110g、材質をポリプロピレンとした横断面円形の延長管(比較例1)を作製し、この延長管の左右両端部を支持し長さ方向中間部に300Nの力を上下方向からかけた場合、負荷点付近の応力は約21.92Mpa、最大変位は5.4mmであった。
このような結果から、実施例1の延長管30は、従来の円筒形の延長管と同等以上の上下方向の剛性を有していることが確認できた。
For comparison, an extension tube (Comparative Example 1) having a total length of 480 mm, an outer diameter of 36 mm, a wall thickness of 2 mm, a total weight of 110 g, and a material made of polypropylene is prepared. When a force of 300 N was applied to the intermediate portion in the longitudinal direction from the up and down direction, the stress near the load point was about 21.92 Mpa and the maximum displacement was 5.4 mm.
From these results, it was confirmed that the extension tube 30 of Example 1 had a vertical rigidity equal to or higher than that of a conventional cylindrical extension tube.

軽量化に関して、前記実施例1の総重量は73gであり、前記比較例1の総重量は110gであることから、実施例1の延長管30は従来の円筒形の延長管に対して66%に軽量化している。   Regarding weight reduction, the total weight of Example 1 is 73 g, and the total weight of Comparative Example 1 is 110 g. Therefore, the extension pipe 30 of Example 1 is 66% of the conventional cylindrical extension pipe. It is lighter.

このように、図1〜4で示した実施形態1の延長管30によれば、スティック型電気掃除機100の使用時における必要な剛性を維持しながら軽量化できる。
また、実施形態1の延長管30は、図5に示す異なるタイプのスティック型電気掃除機200および図6に示すキャニスター型電気掃除機300にも適用できる。なお、図5と6において、図4中の要素と同様の要素には同一の符号を付している。
As described above, according to the extension tube 30 of the first embodiment shown in FIGS. 1 to 4, the weight can be reduced while maintaining the necessary rigidity when the stick-type vacuum cleaner 100 is used.
Further, the extension pipe 30 of the first embodiment can also be applied to different types of stick-type vacuum cleaners 200 shown in FIG. 5 and canister-type vacuum cleaners 300 shown in FIG. 5 and 6, the same elements as those in FIG. 4 are denoted by the same reference numerals.

図5に示すスティック型電気掃除機200は、電源スイッチを有する掃除機本体210と、掃除機本体210に着脱可能に装着されたダストカップユニット220と、ハンドル210cと、吸込口体40と、実施形態1の延長管30とを備え、吸込口体40と掃除機本体210が直接接続されかつ延長管30を介して掃除機本体210とハンドル210cとが接続されている。
このようなスティック型電気掃除機200も、使用時における延長管30への上下方向(矢印C方向)の耐荷重性を有し、かつ全体としての軽量化が図られている。
A stick type vacuum cleaner 200 shown in FIG. 5 includes a vacuum cleaner body 210 having a power switch, a dust cup unit 220 detachably attached to the vacuum cleaner body 210, a handle 210c, a suction port body 40, and an implementation. The suction pipe body 40 and the cleaner body 210 are directly connected, and the cleaner body 210 and the handle 210c are connected via the extension pipe 30.
Such a stick-type vacuum cleaner 200 also has a load resistance in the vertical direction (arrow C direction) to the extension pipe 30 during use, and is reduced in weight as a whole.

図6に示すキャニスター型電気掃除機300は、車輪を有する掃除機本体310と、吸込口体40と、掃除機本体310に着脱可能に装着されたダストカップユニット320と、掃除機本体310に接続された可撓性ホース330と、吸込口体40と可撓性ホース330とを接続する実施形態1の延長管30とを備える。また、可撓性ホース330の先端側には電源スイッチを含む操作部を有するハンドル330aが設けられている。
このようなキャニスター型電気掃除機300も、使用時における延長管30への上下方向(矢印C方向)の耐荷重性を有し、かつ全体としての軽量化が図られている。
A canister type vacuum cleaner 300 shown in FIG. 6 is connected to a cleaner body 310 having wheels, a suction port body 40, a dust cup unit 320 detachably attached to the cleaner body 310, and the cleaner body 310. And the extension pipe 30 of the first embodiment for connecting the suction port body 40 and the flexible hose 330 to each other. Further, a handle 330 a having an operation unit including a power switch is provided on the distal end side of the flexible hose 330.
Such a canister-type vacuum cleaner 300 also has load resistance in the vertical direction (arrow C direction) to the extension pipe 30 during use, and the overall weight is reduced.

なお、実施形態1の延長管30において、第1および第2接続管部31、32の横断面形状は円形でもよい。   In the extension pipe 30 of the first embodiment, the first and second connection pipe portions 31 and 32 may have a circular cross-sectional shape.

(実施形態2)
図7は本発明の電気掃除機の延長管の実施形態2を示す斜視図であり、図8は実施形態2の延長管の横断面図である。
図4〜6で示したスティック型電気掃除機100、200およびキャニスター型電気掃除機300の吸込口体40において、モータによって回転駆動する回転ブラシまたは布団叩きローラを設けてもよい。この場合、各電気掃除機の掃除機本体からモータに電力を供給するために、電気配線部130aを有する実施形態2の延長管130が用いられる。
(Embodiment 2)
FIG. 7 is a perspective view showing a second embodiment of the extension tube of the electric vacuum cleaner of the present invention, and FIG. 8 is a cross-sectional view of the extension tube of the second embodiment.
The suction port body 40 of the stick type vacuum cleaners 100 and 200 and the canister type vacuum cleaner 300 shown in FIGS. 4 to 6 may be provided with a rotating brush or a futon tapping roller that is rotationally driven by a motor. In this case, in order to supply electric power to the motor from the vacuum cleaner main body of each vacuum cleaner, the extension pipe 130 according to the second embodiment having the electric wiring portion 130a is used.

詳しく説明すると、実施形態2の延長管130は、全体的に実施形態1と同様の横断面楕円形に形成されており、掃除機本体10と接続可能な小径の第1接続管部131と、吸込口体40と接続可能な大径の第2接続管部132と、第1接続管部131と第2接続管部132との間に連設されたストレート管部133と、ストレート管部133および第2接続管部132における外周面の上部または下部に長手方向に延びて設けられた前記電気配線部130aとを備える。   More specifically, the extension pipe 130 of the second embodiment is formed in an elliptical cross section similar to that of the first embodiment as a whole, and has a first connecting pipe portion 131 having a small diameter that can be connected to the cleaner body 10; A large-diameter second connection pipe portion 132 connectable to the suction port body 40, a straight pipe portion 133 provided between the first connection pipe portion 131 and the second connection pipe portion 132, and a straight pipe portion 133 And the electric wiring part 130a provided in the upper or lower part of the outer peripheral surface of the second connecting pipe part 132 and extending in the longitudinal direction.

電気配線部130aは、ストレート管部133の上部外周面の第1接続管部131側に設けられた第1コネクタ部130a1と、第2接続管部132の上部外周面に設けられた第2コネクタ部130a2と、第1および第2コネクタ部130a1、130a2を電気的に接続するようストレート管部133の上部外周面の長手方向に沿って設けられた配線本体部130a3とを備える。 The electrical wiring portion 130 a includes a first connector portion 130 a 1 provided on the first connecting tube portion 131 side of the upper outer peripheral surface of the straight tube portion 133 and a second connector provided on the upper outer peripheral surface of the second connecting tube portion 132. Connector portion 130a 2 and wiring main body portion 130a 3 provided along the longitudinal direction of the upper outer peripheral surface of straight tube portion 133 so as to electrically connect first and second connector portions 130a 1 and 130a 2. .

第1コネクタ部130a1は、掃除機本体の接続部に設けられたコネクタ部の複数のピン差込部に差し込まれて電気的に接続する複数のコネクタピン130a11と、複数のコネクタピンを包囲するようにストレート管部133に一体成形された外装ケース部130a12とを有する。 The first connector portion 130a 1 surrounds the plurality of connector pins 130a 11 that are inserted into and electrically connected to the plurality of pin insertion portions of the connector portion provided in the connection portion of the cleaner body, and the plurality of connector pins. The outer case part 130a 12 is integrally formed with the straight pipe part 133.

第2コネクタ部130a2は、吸込口体の接続部に設けられたコネクタ部の複数のコネクタピンが差し込まれて電気的に接続する複数のピン差込部130a21と、複数のコネクタ差込部130a21を包囲するように第2接続管部132に一体成形された外装ケース部130a22とを有する。 The second connector portion 130a 2, a plurality of connector pins of the connector portion provided at the connection of the suction port body is inserted and in a plurality of pin insertion portion 130a 21 for electrically connecting a plurality of connector inserting portion An exterior case part 130a 22 formed integrally with the second connecting pipe part 132 so as to surround the 130a 21 .

配線本体部130a3は、第1コネクタ部130a1の複数のコネクタピン130a11と第2コネクタ部130a2の複数のピン差込部130a21とを電気的に接続する導電性ワイヤ130a31と、導電性ワイヤ130a31を包囲するようにストレート管部133上に設けられた外装ケース部130a32と、外装ケース部130a32内に充填されて複数の導電性ワイヤ130a31を相互に絶縁する絶縁材130a33とを有する。 Routing unit 130a 3 includes a conductive wire 130a 31 for electrically connecting the plurality of connector pins 130a 11 and a second connector portion 130a plurality of pins inserted portion 130a 21 of the second first connector portions 130a1, conductive the outer case portion 130a 32 provided on the straight pipe part 133 so as to surround the sexual wire 130a 31, an insulating material 130a that is filled in the outer case portion 130a 32 insulates a plurality of electrically conductive wires 130a 31 mutually 33 .

このように構成された実施形態2の延長管130によれば、実施形態1の延長管30と同様の効果が得られることに加えて、モータによって回転駆動する回転ブラシまたは布団叩きローラ等を内蔵する吸込口体に本発明の延長管を対応させることができる。
なお、実施形態2の延長管130において、第1および第2接続管部131、132の横断面形状は円形でもよい。
According to the extension pipe 130 of the second embodiment configured as described above, the same effect as that of the extension pipe 30 of the first embodiment can be obtained, and a rotating brush or a futon hitting roller that is rotationally driven by a motor is incorporated. The extension pipe of the present invention can be made to correspond to the suction port body.
In the extension pipe 130 of the second embodiment, the first and second connection pipe portions 131 and 132 may have a circular cross-sectional shape.

(実施形態3)
実施形態1では延長管30のストレート管部33の横断面形状が楕円形の場合を例示したが、図9(A)に示すようにストレート管部233の横断面形状を長円形としてもよい(実施形態3−1)。
また、実施形態2では電気配線部130aを有する延長管130のストレート管部133の横断面形状が楕円形の場合を例示したが、図9(B)に示すように電気配線部330aを有するストレート管部333の横断面形状を長円形としてもよい(実施形態3−2)。
(Embodiment 3)
In the first embodiment, the case where the cross-sectional shape of the straight tube portion 33 of the extension tube 30 is elliptical is illustrated, but the cross-sectional shape of the straight tube portion 233 may be an oval shape as shown in FIG. Embodiment 3-1).
In the second embodiment, the case in which the cross-sectional shape of the straight tube portion 133 of the extension tube 130 having the electric wiring portion 130a is an ellipse is illustrated, but the straight shape having the electric wiring portion 330a as shown in FIG. 9B. The cross-sectional shape of the pipe part 333 may be an oval (Embodiment 3-2).

実施形態3−1および3−2の場合、ストレート管部233、333の長径に相当する上下方向(矢印C方向)の幅W2よりも短径に相当する左右方向(矢印B方向)の幅W1が狭く設定される。
なお、実施形態3−1および3−2の延長管において、ストレート管部233、333の両端側の第1および第2接続管部の横断面形状は同じように長円形であってもよく、円形であってもよい。
In the case of Embodiments 3-1 and 3-2, the width in the left-right direction (arrow B direction) corresponding to the short diameter rather than the width W 2 in the vertical direction (arrow C direction) corresponding to the long diameter of the straight pipe portions 233, 333 W 1 is set narrowly.
In addition, in the extension pipes of Embodiments 3-1 and 3-2, the cross-sectional shapes of the first and second connecting pipe portions on both end sides of the straight pipe portions 233 and 333 may be similarly oval, It may be circular.

(実施形態4)
実施形態1では延長管30のストレート管部33の横断面形状が楕円形の場合を例示したが、図10(A)に示すようにストレート管部433の横断面形状を洋梨形(「卵形ともいう」)としてもよい(実施形態4−1)。
また、実施形態2では電気配線部130aを有する延長管130のストレート管部133の横断面形状が楕円形の場合を例示したが、図10(B)に示すように電気配線部530aを有するストレート管部533の横断面形状を洋梨形としてもよい(実施形態4−2)。
(Embodiment 4)
In the first embodiment, the case where the cross-sectional shape of the straight tube portion 33 of the extension tube 30 is elliptical is illustrated, but the cross-sectional shape of the straight tube portion 433 is pear-shaped (“oval” as shown in FIG. Also referred to as “)” (Embodiment 4-1).
In the second embodiment, the case in which the cross-sectional shape of the straight tube portion 133 of the extension tube 130 having the electric wiring portion 130a is an ellipse is illustrated, but the straight shape having the electric wiring portion 530a as shown in FIG. It is good also considering the cross-sectional shape of the pipe part 533 as a pear shape (embodiment 4-2).

実施形態4−1および4−2の場合、ストレート管部433、533の上下方向(矢印C方向)の幅W2よりも左右方向(矢印B方向)の幅W1が狭く設定される。
なお、実施形態4−1および4−2の延長管において、ストレート管部433、533の両端側の第1および第2接続管部の横断面形状は同じように洋梨形であってもよく、円形であってもよい。
In the case of Embodiments 4-1 and 4-2, the width W 1 in the left-right direction (arrow B direction) is set narrower than the width W 2 in the vertical direction (arrow C direction) of the straight pipe portions 433 and 533.
In addition, in the extension pipes of Embodiments 4-1 and 4-2, the cross-sectional shape of the first and second connection pipe portions on both ends of the straight pipe portions 433 and 533 may be pear-shaped in the same manner, It may be circular.

(実施形態5)
実施形態4−1では延長管のストレート管部433の横断面形状が洋梨形の場合を例示したが、図11(A)に示すようにストレート管部633の横断面形状を逆洋梨形(「逆卵形ともいう」)としてもよい(実施形態5−1)。
また、実施形態4−2では延長管の電気配線部530aを有するストレート管部533の横断面形状が洋梨形の場合を例示したが、図11(B)に示すように電気配線部730aを有するストレート管部733の横断面形状を逆洋梨形としてもよい(実施形態5−2)。
(Embodiment 5)
In Embodiment 4-1, the case where the cross-sectional shape of the straight tube portion 433 of the extension tube is pear-shaped is illustrated, but the cross-sectional shape of the straight tube portion 633 is reversed pear-shaped (" It may also be referred to as an inverted egg shape ”(Embodiment 5-1).
Further, in Embodiment 4-2, the case where the cross-sectional shape of the straight pipe portion 533 having the electric wiring portion 530a of the extension pipe is pear-shaped is illustrated, but the electric wiring portion 730a is provided as shown in FIG. The cross-sectional shape of the straight tube portion 733 may be an inverted pear shape (Embodiment 5-2).

実施形態5−1および5−2の場合、ストレート管部633、733の上下方向(矢印C方向)の幅W2よりも左右方向(矢印B方向)の幅W1が狭く設定される。
なお、実施形態5−1および5−2の延長管において、ストレート管部633、733の両端側の第1および第2接続管部の横断面形状は同じように逆洋梨形であってもよく、円形であってもよい。
In the case of Embodiments 5-1 and 5-2, the width W 1 in the left-right direction (arrow B direction) is set narrower than the width W 2 in the vertical direction (arrow C direction) of the straight pipe portions 633 and 733.
In addition, in the extension pipes of Embodiments 5-1 and 5-2, the cross-sectional shapes of the first and second connection pipe portions on both end sides of the straight pipe portions 633 and 733 may be similarly reverse pear-shaped. It may be circular.

(まとめ)
本発明の電気掃除機の延長管は、掃除機本体と接続可能な第1接続管部と、吸込口体と接続可能な第2接続管部と、前記第1接続管部と前記第2接続管部との間に連設されたストレート管部とを有し、
前記ストレート管部は、前記第1および第2接続管部が掃除機本体および吸込口体に接続された使用可能な状態において、長さ方向と直交する左右方向の剛性よりも大きい、長さ方向および左右方向と直交する上下方向の剛性を有するように構成されている。
(Summary)
The extension pipe of the vacuum cleaner of the present invention includes a first connection pipe part connectable to the vacuum cleaner body, a second connection pipe part connectable to the suction port, the first connection pipe part, and the second connection. A straight pipe portion provided continuously with the pipe portion,
The straight pipe portion is longer than the rigidity in the left-right direction perpendicular to the length direction in the usable state in which the first and second connection pipe portions are connected to the vacuum cleaner body and the suction port body. And it is comprised so that it may have the rigidity of the up-down direction orthogonal to the left-right direction.

本発明の電気掃除機の延長管は、次のように構成されてもよく、それらが適宜組み合わされてもよい。
(1)前記ストレート管部は、上下方向の幅よりも左右方向の幅が狭い横断面形状、例えば、前記ストレート管部は、楕円形、長円形、洋梨形または逆洋梨形の横断面形状に形成されてもよい。
この場合、ストレート管部の肉厚を一定に維持しながら、耐荷重性の維持および軽量化を図ることができるため、肉厚を部分的に薄くした場合のような物との衝突による部分的な凹みが生じにくい。
The extension pipe of the electric vacuum cleaner of the present invention may be configured as follows, or may be appropriately combined.
(1) The straight pipe portion has a cross-sectional shape whose width in the left-right direction is narrower than the width in the vertical direction, for example, the straight pipe portion has an oval, oval, pear-shaped or reverse pear-shaped cross-sectional shape. It may be formed.
In this case, while maintaining the wall thickness of the straight pipe part constant, it is possible to maintain the load resistance and reduce the weight, so a partial collision due to an object such as when the wall thickness is partially thinned. Dents are less likely to occur.

(2)前記第1および第2接続管部は、前記ストレート管と同じ横断面形状に形成されてもよい。
このようにすれば、第1および第2接続管部も肉厚を一定に維持しながら、耐荷重性の維持および軽量化を図ることができると共に、延長管のデザインとして統一感を得ることができる。なお、この場合、延長管の第1接続管部と接続される掃除機本体の接続部および延長管の第2接続管部と接続される吸込口体の接続部も、第1および第2接続管部と同じ上下方向の幅よりも左右方向の幅が狭い横断面形状に形成される。
(2) The first and second connecting pipe portions may be formed in the same cross-sectional shape as the straight pipe.
In this way, while maintaining the thickness of the first and second connecting pipe portions constant, it is possible to maintain load resistance and reduce the weight, and to obtain a sense of unity as the design of the extension pipe. it can. In this case, the connection part of the vacuum cleaner main body connected to the first connection pipe part of the extension pipe and the connection part of the suction port connected to the second connection pipe part of the extension pipe are also connected to the first and second connections. It is formed in the cross-sectional shape where the width in the left-right direction is narrower than the width in the up-down direction, the same as the tube portion.

(3)前記第1および第2接続管部は、円形の横断面形状に形成されてもよい。
このようにすれば、掃除機本体の接続部および吸込口体の接続部が円形の横断面形状である既存の電気掃除機に本発明の延長管を対応させることができる。
(3) The first and second connecting pipe portions may be formed in a circular cross-sectional shape.
If it does in this way, the extension pipe of the present invention can be made to correspond to the existing vacuum cleaner whose connection part of a vacuum cleaner body and connection part of a suction mouth object are circular cross-sectional shapes.

(4)前記第1接続管部、前記ストレート管部および前記第2接続管部における外周面の上部または下部に長手方向に延びる電気配線部が設けられてもよい。
このようにすれば、モータによって回転駆動する回転ブラシまたは布団叩きローラ等を内蔵する吸込口体に本発明の延長管を対応させることができる。
(4) An electrical wiring portion extending in the longitudinal direction may be provided at an upper part or a lower part of the outer peripheral surface of the first connecting pipe part, the straight pipe part, and the second connecting pipe part.
If it does in this way, the extension pipe of the present invention can be made to correspond to the suction mouth which incorporates the rotating brush or the futon hitting roller etc. which are rotationally driven by the motor.

なお、開示された実施の形態は、全ての点で例示であって制限的なものではないと考えられるべきである。本発明の範囲は上述の説明ではなくて特許請求の範囲によって示され、特許請求の範囲と均等の意味及び範囲内での全ての変更が含まれることが意図される。   The disclosed embodiments should be considered as illustrative in all points and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

10、210、310 掃除機本体
30、130 延長管
31、131 第1接続管部
32、132 第2接続管部
33、133、233、333、433、533、633、733 ストレート管部
40 吸込口体
100、200、300 電気掃除機
130a、330a、530a、730a 電気配線部
1、W2
10, 210, 310 Vacuum cleaner main body 30, 130 Extension pipe 31, 131 First connection pipe part 32, 132 Second connection pipe part 33, 133, 233, 333, 433, 533, 633, 733 Straight pipe part 40 Suction port body 200 300 vacuum cleaner 130a, 330a, 530a, 730a electric wiring section W 1, W 2 width

Claims (6)

掃除機本体と接続可能な第1接続管部と、吸込口体と接続可能な第2接続管部と、前記第1接続管部と前記第2接続管部との間に連設されたストレート管部とを有し、
前記ストレート管部は、前記第1および第2接続管部が掃除機本体および吸込口体に接続された使用可能な状態において、長さ方向と直交する左右方向の剛性よりも大きい、長さ方向および左右方向と直交する上下方向の剛性を有するように構成されたことを特徴とする電気掃除機の延長管。
The 1st connecting pipe part connectable with a vacuum cleaner main body, the 2nd connecting pipe part connectable with a suction inlet, and the straight provided between the 1st connecting pipe part and the 2nd connecting pipe part A pipe part,
The straight pipe portion is longer than the rigidity in the left-right direction perpendicular to the length direction in the usable state in which the first and second connection pipe portions are connected to the vacuum cleaner body and the suction port body. An extension tube for a vacuum cleaner, characterized in that it has rigidity in the vertical direction perpendicular to the horizontal direction.
前記ストレート管部は、上下方向の幅よりも左右方向の幅が狭い横断面形状に形成されている請求項1に記載の電気掃除機の延長管。   The extension pipe of the vacuum cleaner according to claim 1, wherein the straight pipe portion is formed in a cross-sectional shape having a width in the left-right direction narrower than a width in the vertical direction. 前記ストレート管部は、楕円形、長円形、洋梨形または逆洋梨形の横断面形状に形成されている請求項1または2に記載の電気掃除機の延長管。   The extension tube of the vacuum cleaner according to claim 1 or 2, wherein the straight tube portion is formed in an elliptical, oval, pear-shaped or reverse pear-shaped cross-sectional shape. 前記第1および第2接続管部は、前記ストレート管と同じ横断面形状に形成されている請求項3に記載の電気掃除機の延長管。   The extension pipe of the vacuum cleaner according to claim 3, wherein the first and second connecting pipe portions are formed in the same cross-sectional shape as the straight pipe. 前記第1および第2接続管部は、円形の横断面形状に形成されている請求項3に記載の電気掃除機の延長管。   The extension pipe of the vacuum cleaner according to claim 3, wherein the first and second connection pipe portions are formed in a circular cross-sectional shape. 前記ストレート管部および前記第2接続管部における外周面の上部または下部に長手方向に延びる電気配線部が設けられた請求項1〜5のいずれか1つに記載の電気掃除機の延長管。   The extension pipe of the vacuum cleaner as described in any one of Claims 1-5 by which the electrical wiring part extended in a longitudinal direction was provided in the upper part or lower part of the outer peripheral surface in the said straight pipe part and the said 2nd connection pipe part.
JP2016148464A 2016-07-28 2016-07-28 Extension pipe for vacuum cleaner Pending JP2018015299A (en)

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