JP3315526B2 - Extension tube for vacuum cleaner - Google Patents
Extension tube for vacuum cleanerInfo
- Publication number
- JP3315526B2 JP3315526B2 JP10663794A JP10663794A JP3315526B2 JP 3315526 B2 JP3315526 B2 JP 3315526B2 JP 10663794 A JP10663794 A JP 10663794A JP 10663794 A JP10663794 A JP 10663794A JP 3315526 B2 JP3315526 B2 JP 3315526B2
- Authority
- JP
- Japan
- Prior art keywords
- extension pipe
- cover
- main body
- extension
- claws
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Electric Vacuum Cleaner (AREA)
Description
【0001】[0001]
【産業上の利用分野】この発明は、掃除機本体に接続さ
れた集塵ホースと電子作動部が設けられた吸込口体とを
接続する電気掃除機用延長管に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an extension pipe for a vacuum cleaner for connecting a dust collection hose connected to a vacuum cleaner main body and a suction port provided with an electronic operation section.
【0002】[0002]
【従来の技術】従来の電気掃除機には、例えば図7に示
した様に、集塵室(図示せず)とこの集塵室内に吸引負
圧を発生させる電動送風機とを備える掃除機本体1を設
け、可撓ホース2aの両端に接続筒体2b,2cを備え
る集塵ホース2を設け、一端部側の接続筒体2bを掃除
機本体1の集塵室に接続し、他端部(自由端部)側の接
続筒体2cに握り部3と手元操作部4を設けると共に、
図示しないモータで回転駆動される回転ブラシ(図示せ
ず)が図示しない吸込口に配設された吸込口体5を設け
て、この吸込口体5を集塵ホース2の接続筒部2cに複
数の延長管6,6を介して接続したタイプのものが考え
られている。2. Description of the Related Art As shown in FIG. 7, for example, a conventional vacuum cleaner includes a dust collecting chamber (not shown) and an electric blower for generating a suction negative pressure in the dust collecting chamber. 1, a dust collecting hose 2 having connecting cylinders 2b and 2c is provided at both ends of a flexible hose 2a, and the connecting cylinder 2b at one end is connected to the dust collecting chamber of the cleaner body 1, and the other end is connected. A grip portion 3 and a hand operation portion 4 are provided on the connection cylinder 2c on the (free end) side,
A rotary brush (not shown) rotatably driven by a motor (not shown) is provided with a suction port body 5 disposed at a suction port (not shown). Are connected via the extension pipes 6 and 6 of FIG.
【0003】この電気掃除機では、掃除機本体1内の電
源回路(電子作動部)と手元操作部4の複数のスイッチ
(図示略)とを集塵ホース2に沿って集塵ホース2内に
保持されたホース内給電配線(図示せず)を介して接続
されている。また、この手元操作部4の複数のスイッチ
(図示略)は延長管6,6内の配線を介して吸込口体5
内のモータ制御回路(図示せず)に接続されている。In this vacuum cleaner, a power supply circuit (electronically operating unit) in the cleaner body 1 and a plurality of switches (not shown) of a hand operation unit 4 are connected to the dust collection hose 2 along the dust collection hose 2. They are connected via the held in-hose power supply wiring (not shown). Also, a plurality of switches (not shown) of the hand operation unit 4 are connected to the suction port
Connected to a motor control circuit (not shown).
【0004】しかも、手元操作部4のスイッチを操作し
て、掃除機本体1内の電動送風機(図示せず)を作動さ
せると、この電動送風機により電気掃除機1内の集塵室
(図示せず)に吸引負圧が発生させられ、この集塵室内
の吸引負圧が集塵ホース2,延長管6,6を介して吸込
口体5の吸込口(図示せず)に作用させられるようにな
っている。In addition, when the electric blower (not shown) in the cleaner main body 1 is operated by operating a switch of the hand operation unit 4, the dust collecting chamber (not shown) in the vacuum cleaner 1 is operated by the electric blower. ), A suction negative pressure is generated, and the suction negative pressure in the dust collection chamber is applied to a suction port (not shown) of the suction port body 5 through the dust collection hose 2 and the extension pipes 6, 6. It has become.
【0005】また、この際、手元操作部4のスイッチを
操作して吸込口体5内のモータ(図示せず)を作動させ
て、吸込口体5の吸込口内の回転ブラシを回転駆動させ
ることにより、回転ブラシが清掃面の塵埃を吸込口内に
掻き揚げるようになっている。At this time, a switch (not shown) in the suction port body 5 is operated by operating a switch of the hand operation section 4 to rotationally drive a rotary brush in the suction port of the suction port body 5. Thereby, the rotating brush lifts dust on the cleaning surface into the suction port.
【0006】この様な電気掃除機の延長管6としては、
例えば、図8〜図10に示した様な構造のものが考えら
れている。この延長管6は、図8に示した延長管本体6
aを有する。[0006] As an extension pipe 6 of such a vacuum cleaner,
For example, a structure as shown in FIGS. 8 to 10 has been considered. This extension pipe 6 is an extension pipe main body 6 shown in FIG.
a.
【0007】この延長管本体6aの外表面(外側面)に
は図8に示した様に長手方向の一端及び他端部近傍まで
延びる平坦面6bが設けられ、この平坦面6bの一端部
には一対のピン状の接続プラグ7,8が保持させられ、
延長管本体6aの他端部には一対の接続端子9,10が
保持させられている。As shown in FIG. 8, a flat surface 6b is provided on the outer surface (outer surface) of the extension tube main body 6a so as to extend to one end and the vicinity of the other end in the longitudinal direction. Holds a pair of pin-shaped connection plugs 7, 8,
A pair of connection terminals 9 and 10 are held at the other end of the extension tube main body 6a.
【0008】この接続プラグ7,8と接続端子9,10
は平坦面6bに沿って配設保持させた一対の延長管給電
配線11,12を介してそれぞれ接続され、この延長管
給電配線11,12はカバー13で覆われている。ま
た、このカバー13は、側部が延長管本体6aに係止手
段14(図10(a)参照)で係止させられ、両端部が図
7に示したビス15で延長管本体6aに固定されてい
る。The connection plugs 7, 8 and the connection terminals 9, 10
Are connected via a pair of extension pipe power supply wirings 11 and 12 disposed and held along the flat surface 6b. The extension pipe power supply wirings 11 and 12 are covered with a cover 13. The side of the cover 13 is locked to the extension pipe main body 6a by locking means 14 (see FIG. 10A), and both ends are fixed to the extension pipe main body 6a by screws 15 shown in FIG. Have been.
【0009】尚、係止手段は14は、平坦面6bの両側
部に突設された係止爪6c,6dと、カバー13の両側
部に設けられ且つ係止爪6c,6dの先端爪部6c´,
6d´が係合する被係止凹部13a,13bと、被係止
凹部13a,13bの下縁から突出し且つ係止爪6c,
6dに係合させられた被係止爪13c,13dとから構
成されている。しかも、被係止凹部13a,13b、被
係止爪13c,13d及び係止爪6c,6dは延長管本
体6aの長手方向に等ピッチで複数設けられている。The locking means 14 includes locking claws 6c and 6d projecting from both sides of the flat surface 6b, and tip claw portions provided on both sides of the cover 13 and of the locking claws 6c and 6d. 6c ',
6d 'engages with the locked concave portions 13a, 13b, and the locked claw 6c, which protrudes from the lower edge of the locked concave portions 13a, 13b.
6d, which are engaged with the engaged claws 13c and 13d. Moreover, a plurality of the locked concave portions 13a, 13b, the locked claws 13c, 13d, and the locking claws 6c, 6d are provided at equal pitches in the longitudinal direction of the extension tube main body 6a.
【0010】[0010]
【発明が解決しようとする課題】ところで、延長管本体
6aに設けた係止爪6c,6dは爪部が互いに外側を向
いており、被係止凹部13a,13b及び被係止爪13
c,13dはカバー13の両側部内面に形成されたもの
である。The locking claws 6c and 6d provided on the extension pipe main body 6a have their claw portions facing each other, and are provided with the locked concave portions 13a and 13b and the locked claw 13a.
c and 13d are formed on the inner surfaces of both sides of the cover 13.
【0011】このため、カバー13を延長管本体6aか
ら外すには、カバー13の側部を図10(b)の状態から
(c)の矢印16の方向(外側)に撓めると共に、係止爪
6dを矢印17の如く内側に撓める必要がある。係止爪
6cについても同様である。To remove the cover 13 from the extension tube main body 6a, the side of the cover 13 must be moved from the state shown in FIG.
It is necessary to bend in the direction (outside) of the arrow 16 in FIG. The same applies to the locking claw 6c.
【0012】しかしながら、このカバー13の着脱性を
考慮すると、係止爪6c,6dの突出量が必然的に大き
くなって、カバー13の高さが高くなると共に、係止爪
6c,6dの幅方向への撓み代も必然的に大きくなっ
て、カバー13の幅が大きくなり、延長管本体6aとカ
バー13を有する延長管6は太く重いものになってしま
い、操作性が悪いものであった。However, considering the detachability of the cover 13, the projections of the locking claws 6c and 6d are inevitably increased, so that the height of the cover 13 is increased and the width of the locking claws 6c and 6d is increased. The bending allowance in the direction is inevitably increased, the width of the cover 13 is increased, and the extension tube 6 having the extension tube body 6a and the cover 13 becomes thick and heavy, resulting in poor operability. .
【0013】また、カバー13を延長管本体6aから取
り外す際に、係止爪6c,6dに無理な外力が作用する
ことがあり、この場合には係止爪6c,6dが白化した
り係止爪6c,6dにクラック(割れ)が入ってしまっ
たりするという問題があった。When the cover 13 is detached from the extension tube main body 6a, an excessive external force may act on the locking claws 6c and 6d. In this case, the locking claws 6c and 6d are whitened or locked. There is a problem that cracks (cracks) may enter the claws 6c and 6d.
【0014】更に、超音波でカバー13を延長管本体6
aに固着した場合には、カバー13を分解することはで
きないという問題があった。Further, the cover 13 is moved by ultrasonic waves to the extension pipe main body 6.
If the cover 13 is fixed to the position a, there is a problem that the cover 13 cannot be disassembled.
【0015】そこで、この発明は、従来よりも軽量で、
係止爪に無理な力を作用させることなくカバーの着脱が
容易にできる電気掃除機用延長管を提供することを目的
とするものである。Therefore, the present invention is lighter than the prior art,
An object of the present invention is to provide an extension pipe for a vacuum cleaner in which a cover can be easily attached and detached without exerting an excessive force on a locking claw.
【0016】[0016]
【課題を解決するための手段】この目的を達成するた
め、請求項1の発明は、掃除機本体の集塵室に連通する
集塵ホースの自由端部と吸込口体とを着脱可能に接続す
る延長管本体と、前記延長管本体の外周面に沿って配線
固定されて前記掃除機本体の電源回路から集塵ホースの
自由端部まで配線されたホース内給電配線と前記吸込口
体内の電気駆動部とを接続する延長管給電配線と、前記
延長管本体に沿って延びて延長管給電配線全体を覆うカ
バーと、前記延長管本体の前記カバーに臨む部分に一体
に形成され且つ前記延長管本体に沿って配設された複数
の係止爪と、前記カバーに一体に設けられて前記各係止
爪にそれぞれ係止された複数の被係止爪と、前記カバー
の両端部を延長管本体に固定するネジ手段とを備え、前
記複数の被係止爪は、先端係止爪部が前記延長管本体の
長手方向に向けられている電気掃除機用延長管としたこ
とを特徴とする。In order to achieve the above object, according to the first aspect of the present invention, a free end of a dust collection hose communicating with a dust collection chamber of a cleaner body and a suction port are detachably connected. An extension pipe main body, a power supply line in the hose fixed from the power supply circuit of the cleaner main body to a free end of the dust collection hose, and a power supply in the suction port body. An extension pipe power supply wiring for connecting to a drive unit, a cover extending along the extension pipe main body and covering the entire extension pipe power supply wiring, and the extension pipe formed integrally with a portion of the extension pipe main body facing the cover. A plurality of locking claws disposed along the main body, a plurality of locked claws provided integrally with the cover and locked by the locking claws, respectively, and both ends of the cover are extended pipes. and a screw means for fixing to the body, the plurality of the engaging claws is Wherein the distal locking pawl portion is a vacuum cleaner for extension pipe being directed in the longitudinal direction of the extension pipe body.
【0017】また、請求項2の発明は、複数の係止爪の
先端爪部は同方向に向けられていることを特徴とする。Further, the invention of claim 2 is characterized in that the tip claw portions of the plurality of locking claws are directed in the same direction.
【0018】[0018]
【作用】この様な構成によれば、ネジ手段によるカバー
の延長管本体への固定を解除して、カバーを撓めるか或
はカバーを延長管本体の長手方向に移動させるかするこ
とにより、カバーに設けた被係止爪の先端爪部が延長管
本体に設けた係止爪から容易に外れることになる。ま
た、これとは逆の作業を行うことで、カバーの延長管本
体への組み付けが容易に行われる。According to such a construction, the cover is released from being fixed to the extension pipe main body by the screw means and the cover is bent or the cover is moved in the longitudinal direction of the extension pipe main body. Therefore, the tip claw portion of the locked claw provided on the cover can be easily detached from the locking claw provided on the extension tube main body. By performing the reverse operation, the cover can be easily assembled to the extension pipe main body.
【0019】特に、複数の係止爪の先端爪部は同方向に
向けられている構成とすることにより、カバーに設けた
被係止爪の先端爪部は延長管本体に設けた係止爪に対し
て容易に係脱されることになり、この際に被係止爪や係
止爪に無理な力が作用することはない。In particular, the tip claws of the plurality of locking claws are oriented in the same direction, so that the tip claws of the locked claws provided on the cover are provided on the extension tube main body. Is easily disengaged from the locking claw, and no excessive force acts on the locked claw or the locking claw at this time.
【0020】[0020]
【実施例】以下、この発明の一実施例を図1〜図6に基
づいて説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS.
【0021】図6において、21は集塵室(図示せず)
とこの集塵室内に吸引負圧を発生させる電動送風機とを
備える掃除機本体、22は可撓ホース22aの両端に接
続筒体22b,22cを備える集塵ホースである。In FIG. 6, reference numeral 21 denotes a dust collection chamber (not shown).
And an electric blower for generating a suction negative pressure in the dust collection chamber. Reference numeral 22 denotes a dust collection hose provided with connecting cylinders 22b and 22c at both ends of a flexible hose 22a.
【0022】そして、掃除機本体21の集塵室(図示せ
ず)には集塵ホース22の接続筒体22bが接続され、
集塵ホース22の他端部(自由端部)に設けた接続筒体
22cには握り部23と手元操作部24が設けられてい
る。また、この接続筒体22cには吸込口体25が延長
管26,26を介して接続されている。A connecting cylinder 22b of a dust collecting hose 22 is connected to a dust collecting chamber (not shown) of the cleaner body 21.
The connection cylinder 22c provided at the other end (free end) of the dust collection hose 22 is provided with a grip 23 and a hand operation unit 24. A suction port 25 is connected to the connection cylinder 22c via extension pipes 26,26.
【0023】尚、吸込口体25は、左右に延びる図示し
ない吸込口と、この吸込口に回転自在に配設保持された
回転ブラシと、この回転ブラシを回転駆動するモータ
(電気駆動部)[図示せず]と、このモータを駆動制御す
る制御回路(図示せず)を有する。この吸込口体25の
構成は周知であるので細部の図示は省略してある。The suction port body 25 includes a suction port (not shown) extending left and right, a rotating brush rotatably disposed and held in the suction port, and a motor (electric drive unit) for rotating the rotating brush. And a control circuit (not shown) for driving and controlling the motor. Since the configuration of the suction port body 25 is well known, detailed illustration is omitted.
【0024】また、掃除機本体21内の電源回路と手元
操作部24の複数のスイッチ(図示略)とを集塵ホース
22に沿って集塵ホース22内に保持されたホース内給
電配線(図示せず)を介して接続されている。また、こ
の手元操作部24の複数のスイッチ(図示略)は延長管
26,26内の配線を介して吸込口体25内のモータ制
御回路(図示せず)に接続されている。Further, a power supply circuit in the cleaner body 21 and a plurality of switches (not shown) of the hand operation unit 24 are connected to the power supply wiring in the hose held in the dust collection hose 22 along the dust collection hose 22 (see FIG. (Not shown). Also, a plurality of switches (not shown) of the hand operation unit 24 are connected to a motor control circuit (not shown) in the suction port body 25 via wires in the extension pipes 26, 26.
【0025】しかも、手元操作部24のスイッチを操作
して、掃除機本体21内の電動送風機(図示せず)を作
動させると、この電動送風機により電気掃除機21内の
集塵室(図示せず)に吸引負圧が発生させられ、この集
塵室内の吸引負圧が集塵ホース22,延長管26,26
を介して吸込口体25の吸込口(図示せず)に作用させ
られるようになっている。Moreover, when the electric blower (not shown) in the cleaner main body 21 is operated by operating the switch of the hand operation unit 24, the dust collecting chamber (not shown) in the vacuum cleaner 21 is operated by the electric blower. )), A suction negative pressure is generated, and the suction negative pressure in the dust collection chamber is generated by the dust collection hose 22, the extension pipes 26, 26.
Through the suction port (not shown) of the suction port body 25.
【0026】また、この際、手元操作部24のスイッチ
を操作して吸込口体25内のモータ(図示せず)を作動
させて、吸込口体25の吸込口内の回転ブラシを回転駆
動させることにより、回転ブラシが清掃面の塵埃を吸込
口内に掻き揚げるようになっている。At this time, a switch (not shown) in the suction port 25 is operated by operating a switch of the hand operation section 24 to rotate the rotary brush in the suction port of the suction port 25. Thereby, the rotating brush lifts dust on the cleaning surface into the suction port.
【0027】延長管26は、図1,図2に示した延長管
本体26aを有する。この延長管本体26aの外表面
(外側面)には長手方向の一端及び他端部近傍まで延び
る平坦面26bが設けられている。この平坦面26bの
一端部には、ネジ螺着用のボス部40と、幅方向に延び
る一対のリブ41,12が形成されている。The extension pipe 26 has an extension pipe main body 26a shown in FIGS. The outer surface (outer surface) of the extension tube main body 26a is provided with a flat surface 26b extending to one end and the vicinity of the other end in the longitudinal direction. At one end of the flat surface 26b, a boss 40 for screwing and a pair of ribs 41 and 12 extending in the width direction are formed.
【0028】このリブ41の両端部には、延長管本体2
6aと同方向に延びるピン係合溝41a,41aと、ピ
ン係合溝41a,41aに直交するフランジ係合溝41
b,41bが形成されている。また、リブ42にはピン
係合溝41a,41aに対応するピン係合溝42a,4
2aが形成されている。そして、一側のピン係合溝41
a,42aにはピン状の接続プラグ27が係合保持さ
れ、他側のピン係合溝41a,42aにはピン状の接続
プラグ28が係合保持され、フランジ係合溝41b,4
1bには接続プラグ27,28と一体のフランジ27
a,28aが係合させられている。At both ends of the rib 41, the extension pipe main body 2 is provided.
6a, and pin engagement grooves 41a, 41a extending in the same direction as 6a, and flange engagement grooves 41 orthogonal to the pin engagement grooves 41a, 41a.
b, 41b are formed. The ribs 42 have pin engaging grooves 42a, 4a corresponding to the pin engaging grooves 41a, 41a.
2a is formed. And, the pin engagement groove 41 on one side
The pin-shaped connection plug 27 is engaged and held in the pin engagement grooves 41a and 42a, and the pin-shaped connection plug 28 is engaged and held in the other pin engagement grooves 41a and 42a.
1b has a flange 27 integral with the connection plugs 27, 28.
a and 28a are engaged.
【0029】尚、延長管本体26aの他端部内には図示
を省略した一対のプラグ接続端子が設けられている。こ
のプラグ接続端子には、他の延長管等の一端部を延長管
本体26aの他端部内に嵌合したときに、他の延長管等
の一端部に設けられた一対の接続プラグ(接続プラグ2
7,28と同じもの)が係合するようになっている。こ
の構造は周知であるので図示は省略する。A pair of plug connection terminals (not shown) are provided in the other end of the extension tube main body 26a. When one end of another extension tube or the like is fitted into the other end of the extension tube main body 26a, a pair of connection plugs (connection plugs) provided at one end of the other extension tube or the like are connected to the plug connection terminal. 2
7, 28) are engaged. Since this structure is well known, its illustration is omitted.
【0030】また、平坦面26bの長手方向の他端部近
傍の部分には左右方向(幅方向)の両側部に位置させて
一対のピン43,43と44,44がそれぞれ突設さ
れ、平坦面26bの長手方向の一端部近傍の部分には左
右方向(幅方向)の両側部に位置させて一対のピン4
5,45と46,46がそれぞれ突設され、平坦面26
bの長手方向の中央には幅方向配列されたピン47,4
8,49が突設されている。Further, a pair of pins 43, 43 and 44, 44 are protrudingly provided on both sides in the left-right direction (width direction) of the flat surface 26b near the other end in the longitudinal direction. A pair of pins 4 is located on both sides in the left-right direction (width direction) near the one end in the longitudinal direction of the surface 26b.
5, 45 and 46, 46 are respectively protruded, and the flat surface 26
The pins 47, 4 arranged in the width direction are arranged at the center in the longitudinal direction of b.
8, 49 are protrudingly provided.
【0031】延長管本体26aの他端部にはフランジ5
0とネジ螺着用のボス部51が形成されている。また、
平坦面26bの幅方向の一側には、配線ボス部51とピ
ン47,48,49との間に位置させて、一対一組の互
いに近接し且つ延長管本体26bの長手方向に延びる配
線保持リブ52,52と54,54が延長管本体26b
の長手方向に間隔をおいて突設されている。しかも、平
坦面26bの幅方向の他側には、ボス部51とピン4
7,48,49との間に位置させて、一対一組の互いに
近接し且つ延長管本体26bの長手方向に延びる配線保
持リブ53,53と55,55が延長管本体26bの長
手方向に間隔をおいて突設されている。A flange 5 is provided at the other end of the extension pipe main body 26a.
0 and a boss 51 for screwing are formed. Also,
One side of the flat surface 26b in the width direction is located between the wiring boss portion 51 and the pins 47, 48, and 49, and a pair of one-to-one sets of wiring holdings that are close to each other and extend in the longitudinal direction of the extension pipe main body 26b. The ribs 52, 52 and 54, 54 are extended pipe main body 26b.
Are provided at intervals in the longitudinal direction. Further, the boss 51 and the pin 4 are provided on the other side in the width direction of the flat surface 26b.
7, 48, 49, and a pair of wiring holding ribs 53, 53 and 55, 55 which are adjacent to each other and extend in the longitudinal direction of the extension tube main body 26b are spaced apart in the longitudinal direction of the extension tube main body 26b. It is protrudingly provided.
【0032】上述の接続プラグ27,28とプラグ接続
端子(図示せず)は平坦面26bに沿って配設保持させ
た一対の延長管給電配線31,32を介してそれぞれ接
続され、この延長管給電配線31,32はカバー33で
覆われている。このカバー33は、中間部の大半が図5
(a),(c)に示した如く幅が両端部よりも充分に細く(図
では略半分)に絞られ、高さも図5(b)に示した如く両
端部よりも充分に低く(図では略半分)に設定されてい
る。これにより、延長管26は、重量がかなりちいさく
なり、しかも、中間部が細くなるので使用者が握り易く
なっている。The above-mentioned connection plugs 27, 28 and plug connection terminals (not shown) are connected via a pair of extension tube power supply wires 31, 32 arranged and held along the flat surface 26b, respectively. The power supply wirings 31 and 32 are covered with a cover 33. This cover 33 has a middle part mostly as shown in FIG.
As shown in FIGS. 5 (a) and 5 (c), the width is narrowed to be much smaller than the both ends (about half in the figure), and the height is also sufficiently lower than both ends as shown in FIG. Is set to about half). As a result, the extension tube 26 is considerably smaller in weight, and the middle portion is thinner, so that the user can easily grip it.
【0033】この延長管給電配線31,32は、図4
(a)に示した様に、ピン43〜49及び配線保持リブ5
2〜55を利用して3回交差するように配線保持されて
いる。これにより、延長管給電配線31,32は平坦面
26bの幅方向に移動せずに平坦面26bの略幅方向中
央部に沿って保持される。The extension tube power supply wirings 31 and 32 are
As shown in (a), the pins 43 to 49 and the wiring holding rib 5
The wiring is held so as to cross three times using 2 to 55. As a result, the extension pipe power supply wires 31 and 32 are not moved in the width direction of the flat surface 26b but are held along a substantially central portion in the width direction of the flat surface 26b.
【0034】また、このカバー33は、側部が延長管本
体26aに係止手段34(図1参照)で係止させられ、
両端部が図6に示したビス35で延長管本体26aに固
定されている。The side of the cover 33 is locked to the extension tube main body 26a by locking means 34 (see FIG. 1).
Both ends are fixed to the extension pipe main body 26a with screws 35 shown in FIG.
【0035】このカバー33の両端部には図5に示した
様にビス挿通孔60,61が形成され、カバー33の両
側縁には係止フランジ62,63が形成されている。ま
た、カバー33の一端部内面には一対のリブ64,65
が形成され、カバー33の他端部内には浅い係合溝66
が形成されている。As shown in FIG. 5, screw insertion holes 60 and 61 are formed at both ends of the cover 33, and locking flanges 62 and 63 are formed at both side edges of the cover 33. A pair of ribs 64 and 65 are provided on the inner surface of one end of the cover 33.
Is formed in the other end of the cover 33.
Are formed.
【0036】そして、係合溝66内にはフランジ50の
先端が図1(a)の如く係合させられ、リブ64,65と
リブ41,42との間には接続プラグ27,28が挟持
させられ、係止溝29,30には図2に示した如く係止
フランジ62,63が挿入係合させられている。尚、各
ビス35,35は、ビス挿通孔60,61に挿通された
後、ボス部40,51に螺着されて、カバー33を延長
管本体に固定している。The front end of the flange 50 is engaged in the engagement groove 66 as shown in FIG. 1A, and the connection plugs 27 and 28 are held between the ribs 64 and 65 and the ribs 41 and 42. The locking flanges 62 and 63 are inserted and engaged with the locking grooves 29 and 30 as shown in FIG. The screws 35, 35 are inserted into the screw insertion holes 60, 61 and then screwed to the bosses 40, 51 to fix the cover 33 to the extension pipe main body.
【0037】係止手段は34は、平坦面26bの幅方向
中央に位置させて延長管本体26aの長手方向に等ピッ
チで突設された複数の係止爪26c,26cと、カバー
33の幅方向中央に設けられ且つ各係止爪26c,26
cの先端爪部26c´,26c´が係合する複数の被係
止爪33a,33aから構成されている。The locking means 34 includes a plurality of locking claws 26c, 26c which are located at the center in the width direction of the flat surface 26b and are provided at equal pitches in the longitudinal direction of the extension pipe main body 26a, and the width of the cover 33. Provided at the center in the direction, and each locking claw 26c, 26
c includes a plurality of locked claws 33a, 33a with which the front claw portions 26c ', 26c' are engaged.
【0038】この各係止爪26cは、図1(b)に示した
壁部aの両側に図3に示した側壁c,dを連設し、上部
に先端爪部26c´を設け、この先端爪部26c´に傾
斜ガイド26dを設けた構成としたものである。この一
方の係止爪26cは配線保持リブ52,53の間と5
4,55との間との中央に位置させられ、他方の係止爪
26cは配線保持リブ56,57の間と58,59との
間との中央に位置させられている。Each locking claw 26c has side walls c and d shown in FIG. 3 connected to both sides of a wall a shown in FIG. 1B, and a tip claw 26c 'is provided at an upper portion. This is a configuration in which an inclined guide 26d is provided on the tip claw portion 26c '. The one locking claw 26c is located between the wiring holding ribs 52 and 53 and 5
4 and 55, and the other locking claw 26c is located at the center between the wiring holding ribs 56 and 57 and between 58 and 59.
【0039】この複数の係止爪26c,26cの先端爪
部26c´,26c´は延長管本体26aの長手方向で
且つ同一方向に向けられている。また、同様に被係止爪
33a,33aの先端係止爪部33a´,33a´も延
長管本体26aの長手方向で且つ同一方向に向けられて
いる。The tip claws 26c ', 26c' of the plurality of locking claws 26c, 26c are oriented in the longitudinal direction of the extension tube main body 26a and in the same direction. Similarly, the tip locking claw portions 33a ', 33a' of the locked claws 33a, 33a are also oriented in the longitudinal direction of the extension tube main body 26a and in the same direction.
【0040】次に、この様な電気掃除機の延長管の作用
を説明する。Next, the operation of the extension pipe of such a vacuum cleaner will be described.
【0041】この様な構成によれば、ネジ手段すなわち
ビス35,35を延長管本体26a及びカバー33から
取り外して、カバー33の係合溝66側の端部を延長管
本体26bから離反する方向に持ち上げて、係合溝66
とフランジ50との係合を解除し、カバー33の係止フ
ランジ62,63の係合溝66側端部を係止溝29,3
0から抜き取った後に、カバー33を複数の係止爪26
c,26cの先端爪部26c´,26c´が延びる方向
に移動させることにより、カバー33に設けた被係止爪
33aの先端爪部33a´が延長管本体26aに設けた
係止爪26cから容易に外れることになる。According to such a configuration, the screw means, that is, the screws 35, 35 are removed from the extension pipe main body 26a and the cover 33, and the end of the cover 33 on the engaging groove 66 side is separated from the extension pipe main body 26b. To the engagement groove 66
The engagement between the engagement flange 66 and the flange 50 is released, and the ends of the engagement flanges 66 and 63 of the cover 33 on the engagement groove 66 side are engaged with the engagement grooves 29 and 3.
0, the cover 33 is removed from the plurality of locking claws 26.
By moving the claw portions 26c 'and 26c' of the c and 26c in the extending direction, the claw portion 33a 'of the claw 33a provided on the cover 33 is moved from the locking claw 26c provided on the extension tube main body 26a. It will come off easily.
【0042】また、これとは逆の作業を行うことで、カ
バー33の延長管本体26aへの組み付けが容易に行わ
れることになる。従って、カバー33に設けた被係止爪
33aの先端爪部33a´は延長管本体26aに設けた
係止爪26cに対して容易に係脱されることになり、こ
の際に被係止爪33aや係止爪26cに無理な力が作用
することはない。By performing the reverse operation, the cover 33 can be easily assembled to the extension pipe main body 26a. Therefore, the tip claw 33a 'of the claw 33a provided on the cover 33 is easily disengaged from the claw 26c provided on the extension tube main body 26a. Unreasonable force does not act on 33a or locking claw 26c.
【0043】尚、本実施例では、係止爪26c,26c
の先端爪部26c´,26c´の向きを延長管本体26
aの長手方向で且つ同一方向に向けた例を示したが、必
ずしもこの構成に限定されるものではなく、要は先端爪
部26c´,26c´が延長管本体26aの長手方向を
向いていれば、この先端爪部26c´,26c´同士が
互いに対向していてもよいし、先端爪部26c´,26
c´同士が互いに反対向きになっていてもよい。この点
は被係止爪33a,33aの先端爪部33a´,33a
´についても同様で、被係止爪33a,33aの先端爪
部33a´,33a´の向きは先端爪部26c´,26
c´に係合可能な向きに設定されるものである。In this embodiment, the locking claws 26c, 26c
Of the tip claws 26c ', 26c' of the extension pipe body 26
Although an example is shown in which it is directed in the same direction as the longitudinal direction of a, it is not necessarily limited to this configuration. In short, the tip claw portions 26c ', 26c' are oriented in the longitudinal direction of the extension tube main body 26a. For example, the tip claw portions 26c ', 26c' may be opposed to each other, or the tip claw portions 26c ', 26c'
c ′ may be opposite to each other. This point is due to the tip claw portions 33a ', 33a of the locked claws 33a, 33a.
Similarly, the directions of the distal claw portions 33a ', 33a' of the locked claws 33a, 33a are the same as those of the distal claw portions 26c ', 26c.
It is set in a direction that can be engaged with c ′.
【0044】そして、この延長管本体26a側の係止爪
26c,26cの先端爪部26c´,26c´同士が互
いに対向している場合には、カバー33側の被係止爪3
3a,33aの先端爪部33a´,33a´が互いに反
対側を向いた状態で被係止爪33a,33aが係止爪2
6c,26c間に位置し、この先端爪部33a´,33
a´が先端爪部26c´,26c´に係合する。この様
に組み付けられたカバー33を外すには、カバー33の
中央部が延長管本体26aから浮き上がる方向にカバー
33の両端部を押圧することで、先端爪部33a´,3
3a´が先端爪部26c´,26c´から容易に外れ
る。When the distal claw portions 26c ', 26c' of the locking claws 26c, 26c on the extension pipe main body 26a face each other, the locked claw 3 on the cover 33 side.
The locked claws 33a, 33a are engaged with the locking claws 2 in a state in which the distal claw portions 33a ', 33a' of the 3a, 33a face each other.
6c, 26c, and the tip claw portions 33a ', 33
a 'engages the tip claw portions 26c', 26c '. In order to remove the cover 33 assembled in this manner, the both ends of the cover 33 are pressed in the direction in which the center of the cover 33 rises from the extension tube main body 26a, so that the tip claw portions 33a ', 3
3a 'easily comes off the tip claw portions 26c', 26c '.
【0045】また、この延長管本体26a側の係止爪2
6c,26cの先端爪部26c´,26c´同士が互い
に反対側を向いている場合には、カバー33側の被係止
爪33a,33aの先端爪部33a´,33a´が互い
に対向した状態で係止爪26c,26cが被係止爪33
a,33a間に位置し、この先端爪部33a´,33a
´が先端爪部26c´,26c´に係合する。この様に
組み付けられたカバー33を外すには、カバー33の被
係止爪33a,33a間の中央部を押圧することで、先
端爪部33a´,33a´が先端爪部26c´,26c
´から容易に外れる。The locking claw 2 on the extension pipe main body 26a side
When the tip claw portions 26c ', 26c' of 6c, 26c face each other, the tip claw portions 33a ', 33a' of the locked claws 33a, 33a on the cover 33 face each other. The locking claws 26c, 26c are
a, 33a, and the tip claw portions 33a ', 33a
′ Engages with the front claw portions 26c ′, 26c ′. To remove the cover 33 assembled in this manner, the central portion between the locked claws 33a, 33a of the cover 33 is pressed, so that the distal claw portions 33a ', 33a' are moved to the distal claw portions 26c ', 26c.
Easily come off.
【0046】[0046]
【効果】この発明は、以上説明したように、目的を達成
するため、請求項1の発明は、延長管本体に沿って延び
て延長管給電配線全体を覆うカバーと、前記延長管本体
の前記カバーに臨む部分に一体に形成され且つ前記延長
管本体に沿って配設された複数の係止爪と、前記カバー
に設けられて前記各係止爪にそれぞれ係止された複数の
被係止爪と、前記カバーの両端部を延長管本体に固定す
るネジ手段とを備え、前記複数の係止爪は爪部が前記延
長管本体の長手方向に向けられている構成としたので、
カバーを撓めるか或はカバーを延長管本体の長手方向に
移動させるかすることにより、カバーに設けた被係止爪
の先端爪部が延長管本体に設けた係止爪から容易に外れ
ることになる。また、これとは逆の作業を行うことで、
カバーの延長管本体への組み付けが容易に行われ、この
際に被係止爪や係止爪に無理な力が作用することはな
い。As described above, according to the present invention, in order to achieve the object, according to the first aspect of the present invention, there is provided a cover extending along an extension pipe main body and covering the entire extension pipe power supply wiring, and a cover for the extension pipe main body. A plurality of locking claws integrally formed on a portion facing the cover and arranged along the extension pipe main body, and a plurality of locked members provided on the cover and locked by the respective locking claws. Claws and screw means for fixing both ends of the cover to the extension tube main body, and the plurality of locking claws are configured such that the claw portions are oriented in the longitudinal direction of the extension tube main body.
By bending the cover or moving the cover in the longitudinal direction of the extension tube main body, the tip claw portion of the locked claw provided on the cover easily comes off the locking claw provided on the extension tube main body. Will be. Also, by doing the opposite work,
The cover is easily assembled to the extension pipe main body, and at this time, no excessive force acts on the locked nails or the locking claws.
【0047】また、複数の係止爪の先端爪部が同方向に
向けられている構成とすることにより、カバーに設けた
被係止爪の先端爪部は延長管本体に設けた係止爪に対し
て容易に係脱されることになり、この場合には特に被係
止爪や係止爪に無理な力が作用することはない。Further, the tip claw portions of the plurality of locking claws are oriented in the same direction, so that the tip claw portions of the locked claws provided on the cover are provided with the locking claw provided on the extension tube main body. , And in this case, no excessive force acts on the locked claw or the locking claw.
【0048】しかも、上述のように構成することで、従
来よりも延長管全体の重量を軽く設計できると共に、部
分的に細く設計して握り易く設計することが可能とな
る。In addition, by configuring as described above, the weight of the entire extension tube can be designed to be lighter than in the conventional case, and it is possible to design the extension tube to be partly thin and easy to grip.
【図1】(a)はこの発明に係る電気掃除機用延長管の要
部断面図、(b)は(a)の要部拡大断面図である。FIG. 1A is a cross-sectional view of a main part of an extension pipe for a vacuum cleaner according to the present invention, and FIG. 1B is an enlarged cross-sectional view of a main part of FIG.
【図2】図1(a)のA−A線に沿う断面図である。FIG. 2 is a sectional view taken along line AA of FIG.
【図3】図1に示した係止爪の斜視図である。FIG. 3 is a perspective view of a locking claw shown in FIG. 1;
【図4】(a)は図1(a)に示した延長管本体の平面図、
(b)は図4(a)のB−B線に沿う断面図である。FIG. 4 (a) is a plan view of the extension pipe main body shown in FIG. 1 (a),
FIG. 4B is a cross-sectional view taken along the line BB of FIG.
【図5】(a)は図1に示したカバーの平面図、(b)は図5
(a)のC−C線に沿う断面図、(c)は(b)の底面図であ
る。5A is a plan view of the cover shown in FIG. 1, and FIG.
(a) is a sectional view taken along the line CC, (c) is a bottom view of (b).
【図6】図1(a)に示した延長管を備える電気掃除機の
斜視図である。FIG. 6 is a perspective view of a vacuum cleaner including the extension pipe shown in FIG. 1 (a).
【図7】従来の延長管を備える電気掃除機の斜視図であ
る。FIG. 7 is a perspective view of a conventional vacuum cleaner having an extension pipe.
【図8】(a)は図7に示した延長管の延長管本体の平面
図、(b)は(a)のD−D線に沿う断面図、(c)は(a)の延長
管本体の側面図である。8 (a) is a plan view of an extension pipe main body of the extension pipe shown in FIG. 7, (b) is a cross-sectional view taken along line DD of (a), and (c) is an extension pipe of (a). It is a side view of a main body.
【図9】(a)は図7に示したカバー平面図、(b)は(a)の
E−E線に沿う断面図、(c)は(a)のカバーの底面図であ
る。9A is a plan view of the cover shown in FIG. 7, FIG. 9B is a sectional view taken along line EE of FIG. 7A, and FIG. 9C is a bottom view of the cover of FIG.
【図10】(a)は図7のカバーと延長管本体との係止状
態を示す要部断面図、(b),(c)は(a)の係止爪の作用説
明図である。10 (a) is a sectional view of an essential part showing a locked state of the cover and the extension pipe main body of FIG. 7, and FIGS. 10 (b) and 10 (c) are action explanatory diagrams of the locking claws of FIG. 10 (a).
21…掃除機本体 22…集塵ホース 25…吸込口体 26…延長管 26a…延長管本体 26c…係止爪 26c´…先端係止爪部 31,32…延長管給電配線 33…カバー 33a…被係止爪 33a´…先端係止爪部 35…ビス(ネジ手段) DESCRIPTION OF SYMBOLS 21 ... Vacuum cleaner main body 22 ... Dust collection hose 25 ... Suction port body 26 ... Extension pipe 26a ... Extension pipe main body 26c ... Locking claw 26c '... Tip locking claw part 31, 32 ... Extension pipe power supply wiring 33 ... Cover 33a ... Locked claw 33a ': Tip locking claw 35: Screw (screw means)
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7,DB名) A47L 9/24 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 7 , DB name) A47L 9/24
Claims (2)
の自由端部と吸込口体とを着脱可能に接続する延長管本
体と、 前記延長管本体の外周面に沿って配線固定されて前記掃
除機本体の電源回路から集塵ホースの自由端部まで配線
されたホース内給電配線と前記吸込口体内の電気駆動部
とを接続する延長管給電配線と、 前記延長管本体に沿って延びて延長管給電配線全体を覆
うカバーと、 前記延長管本体の前記カバーに臨む部分に一体に形成さ
れ且つ前記延長管本体に沿って配設された複数の係止爪
と、 前記カバーに一体に設けられて前記各係止爪にそれぞれ
係止された複数の被係止爪と、 前記カバーの両端部を延長管本体に固定するネジ手段と
を備え、 前記複数の被係止爪は、先端係止爪部が前記延長管本体
の長手方向に向けられていることを特徴とする電気掃除
機用延長管。1. An extension pipe body for detachably connecting a suction end body to a free end of a dust collection hose communicating with a dust collection chamber of a cleaner body, and wiring fixed along an outer peripheral surface of the extension pipe body. An extension pipe power supply wiring that connects the power supply circuit in the hose wired from the power supply circuit of the cleaner body to the free end of the dust collection hose and the electric drive unit in the suction port body; A cover extending to cover the entire extension pipe power supply wiring, a plurality of locking claws formed integrally with a portion of the extension pipe main body facing the cover and disposed along the extension pipe main body; a plurality of the engaging claws locked respectively engaged to the each engaging pawl provided integrally, and a screw means for securing the extension pipe body both ends of the cover, the plurality of the engaging claws is , have distal engaging claws oriented in the longitudinal direction of the extension pipe body For an electric vacuum cleaner extension tube, characterized in that.
ていることを特徴とする請求項1に記載の電気掃除機用
延長管。2. The extension tube for a vacuum cleaner according to claim 1, wherein the claw portions of the plurality of locking claws are oriented in the same direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10663794A JP3315526B2 (en) | 1994-05-20 | 1994-05-20 | Extension tube for vacuum cleaner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10663794A JP3315526B2 (en) | 1994-05-20 | 1994-05-20 | Extension tube for vacuum cleaner |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07313413A JPH07313413A (en) | 1995-12-05 |
JP3315526B2 true JP3315526B2 (en) | 2002-08-19 |
Family
ID=14438637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10663794A Expired - Fee Related JP3315526B2 (en) | 1994-05-20 | 1994-05-20 | Extension tube for vacuum cleaner |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3315526B2 (en) |
-
1994
- 1994-05-20 JP JP10663794A patent/JP3315526B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH07313413A (en) | 1995-12-05 |
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