JPH07313413A - Extension pipe for vacuum cleaner - Google Patents
Extension pipe for vacuum cleanerInfo
- Publication number
- JPH07313413A JPH07313413A JP10663794A JP10663794A JPH07313413A JP H07313413 A JPH07313413 A JP H07313413A JP 10663794 A JP10663794 A JP 10663794A JP 10663794 A JP10663794 A JP 10663794A JP H07313413 A JPH07313413 A JP H07313413A
- Authority
- JP
- Japan
- Prior art keywords
- cover
- extension tube
- extension pipe
- claws
- extension
- 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.)
- Granted
Links
Landscapes
- Electric Vacuum Cleaner (AREA)
Abstract
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 tube for an electric vacuum cleaner, which connects a dust collecting hose connected to a cleaner body and a suction port body provided with an electronic operating portion.
【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 A conventional vacuum cleaner has a dust collecting chamber (not shown) and an electric blower for generating a negative suction pressure in the dust collecting chamber as shown in FIG. 1 is provided, and the dust collecting hose 2 having the connecting cylinders 2b and 2c is provided at both ends of the flexible hose 2a, the connecting cylinder 2b on one end side is connected to the dust collecting chamber of the cleaner body 1, and the other end is connected. In addition to providing the grip portion 3 and the hand operation portion 4 on the connection cylindrical body 2c on the (free end) side,
A rotary brush (not shown), which is rotationally driven by a motor (not shown), is provided with a suction port body 5 arranged at a suction port (not shown), and a plurality of the suction port bodies 5 are provided in the connecting tubular portion 2c of the dust collecting hose 2. A type in which they are connected via the extension pipes 6 and 6 is considered.
【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 electric vacuum cleaner, a power supply circuit (electronic operation part) in the cleaner body 1 and a plurality of switches (not shown) of the hand operation part 4 are provided in the dust collecting hose 2 along the dust collecting hose 2. It is connected through a held power supply wiring (not shown) in the hose. Further, a plurality of switches (not shown) of the hand-side operation unit 4 are connected to the suction port body 5 through wirings in the extension pipes 6 and 6.
Is connected to a motor control circuit (not shown) inside.
【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。Moreover, when the electric blower (not shown) in the cleaner body 1 is operated by operating the switch of the hand-operated portion 4, the dust collector (shown in the figure) in the electric cleaner 1 is driven by the electric blower. Negative suction pressure is generated, and this negative suction pressure in the dust collection chamber is applied to the suction port (not shown) of the suction port body 5 through the dust collection hose 2, the extension pipes 6 and 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, the switch of the hand-operated portion 4 is operated to operate a motor (not shown) in the suction port body 5 to rotationally drive the rotary brush in the suction port of the suction port body 5. As a result, the rotating brush scoops 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。As an extension tube 6 of such an electric vacuum cleaner,
For example, the structure shown in FIGS. 8 to 10 is considered. This extension tube 6 is the extension tube 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 body 6a so as to extend to the vicinity of one end and the other end in the longitudinal direction, and one end of this flat surface 6b is provided. Holds a pair of pin-shaped connection plugs 7 and 8,
A pair of connection terminals 9 and 10 are held at the other end of the extension tube 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 and 8 and the connection terminals 9 and 10
Are respectively connected via a pair of extension tube power supply wirings 11 and 12 arranged and held along the flat surface 6b, and the extension tube power supply wirings 11 and 12 are covered with a cover 13. The side of the cover 13 is locked to the extension tube body 6a by the locking means 14 (see FIG. 10 (a)), and both ends are fixed to the extension tube body 6a by the screws 15 shown in FIG. Has been done.
【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 claws of the locking claws 6c and 6d provided on both sides of the cover 13. 6c ',
6d 'engages with the engaged recesses 13a and 13b, and the engaged recesses 13a and 13b project from the lower edges of the engaging claws 6c,
It is composed of locked claws 13c and 13d engaged with 6d. Moreover, the locked recesses 13a and 13b, the locked claws 13c and 13d, and the locking claws 6c and 6d are provided in plural in the longitudinal direction of the extension tube body 6a at equal pitches.
【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。By the way, the locking claws 6c and 6d provided on the extension tube body 6a have their claws facing outward, and the locked recesses 13a and 13b and the locked claw 13 are provided.
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。Therefore, in order to remove the cover 13 from the extension tube body 6a, the side portion of the cover 13 is removed from the state shown in FIG. 10 (b).
It is necessary to bend in the direction (outside) of the arrow 16 in (c) and bend the locking claw 6d inward as shown by the arrow 17. 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 amount of protrusion of the locking claws 6c and 6d inevitably increases, the height of the cover 13 increases, and the width of the locking claws 6c and 6d increases. The bending margin in the direction inevitably increases, the width of the cover 13 increases, and the extension pipe 6 having the extension pipe 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 removed from the extension tube body 6a, an unreasonable 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 the nails 6c and 6d may be cracked.
【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 ultrasonically attached to the extension tube body 6
There is a problem that the cover 13 cannot be disassembled when it is fixed to a.
【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 conventional one,
It is an object of the present invention to provide an extension tube for an electric vacuum cleaner in which the cover can be easily attached and detached without applying an excessive force to the 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
ている電気掃除機用延長管としたことを特徴とする。In order to achieve this object, the invention of claim 1 detachably connects the free end of the dust collecting hose communicating with the dust collecting chamber of the cleaner body and the suction port body. The extension tube body, the power supply wiring in the hose wired from the power supply circuit of the cleaner body to the free end of the dust collecting hose, and the electricity in the suction port body An extension pipe power supply wire connecting the driving part, a cover extending along the extension pipe body and covering the entire extension pipe power supply wire, and a portion integrally formed at a portion of the extension pipe body facing the cover. A plurality of locking claws arranged along the main body, a plurality of locked claws provided on the cover and respectively locked to the respective locking claws, and both ends of the cover on the extension tube main body. A plurality of locking claws, and the plurality of locking claws have front claws. Characterized in that the 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。The invention of claim 2 is characterized in that the tip claw portions of the plurality of locking claws are oriented 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 this structure, the fixing of the cover to the extension tube body by the screw means is released, and the cover is bent or the cover is moved in the longitudinal direction of the extension tube body. The tip claws of the to-be-locked claws provided on the cover are easily separated from the claws provided on the extension tube body. Also, by performing the reverse operation, the cover can be easily assembled to the extension tube 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, since the tip claws of the plurality of locking claws are oriented in the same direction, the tip claws of the locked claws provided on the cover are the locking claws provided on the extension tube body. With respect to this, it is easily engaged and disengaged, and at this time, an unreasonable force does not act on the locked claw or the locking claw.
【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 An 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, 21 is a dust collecting chamber (not shown).
A vacuum cleaner body including an electric blower that generates suction negative pressure in the dust collecting chamber, and a dust collecting hose 22 including connecting cylinders 22b and 22c at both ends of the 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 collecting hose 22 is provided with a grip portion 23 and a hand operation portion 24. Further, a suction port body 25 is connected to the connecting cylinder body 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 to the left and right, a rotary brush rotatably arranged and held in the suction port, and a motor (electric drive unit) for rotationally driving the rotary brush. [Not shown] and a control circuit (not shown) for driving and controlling this motor. Since the structure of the suction port body 25 is well known, detailed illustration thereof 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 vacuum cleaner main body 21 and a plurality of switches (not shown) of the hand-operated portion 24 are held along the dust collecting hose 22 in the dust collecting hose 22 to supply power to the inside of the hose (see FIG. (Not shown). Further, 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 wiring in the extension tubes 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。In addition, when the electric blower (not shown) in the cleaner body 21 is operated by operating the switch of the hand operation section 24, the electric blower causes a dust collection chamber (shown in the figure) in the electric cleaner 21. Negative suction pressure is generated, and the negative suction pressure in the dust collection chamber causes the dust collection hose 22, the extension pipes 26, 26.
The suction port (not shown) of the suction port body 25 is made to act via the.
【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, the switch of the hand-operated portion 24 is operated to operate the motor (not shown) in the suction port body 25 to rotationally drive the rotary brush in the suction port of the suction port body 25. As a result, the rotating brush scoops 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 tube 26 has an extension tube body 26a shown in FIGS. The outer surface (outer surface) of the extension tube body 26a is provided with a flat surface 26b extending near one end and the other end in the longitudinal direction. At one end of the flat surface 26b, a screw-threaded boss portion 40 and a pair of ribs 41, 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, pin engaging grooves 41a, 41a extending in the same direction, and a flange engaging groove 41 orthogonal to the pin engaging grooves 41a, 41a.
b and 41b are formed. Further, the rib 42 has pin engaging grooves 42a, 4a corresponding to the pin engaging grooves 41a, 41a.
2a is formed. Then, the pin engaging groove 41 on one side
The pin-shaped connecting plug 27 is engaged and held by the a and 42a, and the pin-shaped connecting plug 28 is engaged and held by the pin engaging grooves 41a and 42a on the other side, and the flange engaging grooves 41b and 4a.
1b has a flange 27 integrated with the connection plugs 27 and 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) is provided in the other end of the extension tube body 26a. This plug connection terminal includes a pair of connection plugs (connection plugs) provided at one end of another extension pipe or the like when the other end of the extension pipe or the like is fitted into the other end of the extension pipe body 26a. Two
(Same as 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 respectively provided on both sides in the left-right direction (width direction) in the vicinity of the other end in the longitudinal direction of the flat surface 26b so as to project flatly. A part of the surface 26b near one end in the longitudinal direction is located on both sides in the left-right direction (width direction), and the pair of pins 4 are provided.
5, 45 and 46, 46 are respectively provided so as to project, and the flat surface 26
Pins 47, 4 are arranged in the width direction at the center of the longitudinal direction of b.
8,49 are projected.
【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 body 26a.
0 and a boss portion 51 for screw threading are formed. Also,
A wire holding member, which is located between the wire boss 51 and the pins 47, 48, 49 on one side in the width direction of the flat surface 26b, is close to each other and extends in the longitudinal direction of the extension tube body 26b. The ribs 52, 52 and 54, 54 are the extension pipe main body 26b.
Are provided at intervals in the longitudinal direction of the. Moreover, the boss portion 51 and the pin 4 are provided on the other side in the width direction of the flat surface 26b.
7, 48, 49 and one pair of wiring holding ribs 53, 53 and 55, 55 that are adjacent to each other and extend in the longitudinal direction of the extension tube body 26b are spaced apart in the longitudinal direction of the extension tube body 26b. It has been set up.
【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 and 28 and plug connection terminals (not shown) are connected to each other through a pair of extension tube power supply wirings 31 and 32 arranged and held along the flat surface 26b. The power supply wirings 31 and 32 are covered with a cover 33. Most of the middle portion of the cover 33 is shown in FIG.
As shown in (a) and (c), the width is narrower enough than both ends (approximately half in the figure), and the height is sufficiently lower than both ends as shown in Fig. 5 (b) (Fig. It is set to about half). As a result, the extension tube 26 has a considerably small weight, and the intermediate portion is thin, so that the extension tube 26 can be easily gripped by the user.
【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 pipe power supply wirings 31 and 32 are shown in FIG.
As shown in (a), the pins 43 to 49 and the wiring holding rib 5
Wiring is held so as to intersect three times using 2-55. As a result, the extension pipe power supply wires 31 and 32 are held along the substantially central portion in the width direction of the flat surface 26b without moving 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 body 26a by the locking means 34 (see FIG. 1),
Both ends are fixed to the extension tube 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. Further, a pair of ribs 64, 65 are provided on the inner surface of one end of the cover 33.
And a shallow engagement groove 66 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 tip of the flange 50 is engaged in the engagement groove 66 as shown in FIG. 1A, and the connection plugs 27 and 28 are sandwiched between the ribs 64 and 65 and the ribs 41 and 42. As shown in FIG. 2, locking flanges 62 and 63 are inserted into and engaged with the locking grooves 29 and 30, respectively. The screws 35, 35 are inserted into the screw insertion holes 60, 61 and then screwed into the bosses 40, 51 to fix the cover 33 to the extension tube 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 is a plurality of locking claws 26c, 26c which are located at the center of the flat surface 26b in the width direction and project in the longitudinal direction of the extension tube body 26a at equal pitches, and the width of the cover 33. Provided at the center of the direction and each locking claw 26c, 26
It is composed of a plurality of locked claws 33a, 33a with which the tip claw portions 26c ', 26c' of c 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 of the locking claws 26c is provided with the side walls c and d shown in FIG. 3 on both sides of the wall a shown in FIG. 1 (b), and the tip claws 26c 'are provided on the upper side. The tip claw portion 26c 'is provided with an inclined guide 26d. One of the locking claws 26c is provided between the wiring holding ribs 52 and 53 and five.
4, 55, and the other locking claw 26c is positioned in the center between the wiring holding ribs 56, 57 and 58, 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 claw portions 26c ', 26c' of the plurality of locking claws 26c, 26c are oriented in the longitudinal direction of the extension tube body 26a and in the same direction. Similarly, the front end locking claw portions 33a ', 33a' of the locked claws 33a, 33a are also oriented in the same direction as the longitudinal direction of the extension tube body 26a.
【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 tube of such an electric 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 this structure, the screw means, that is, the screws 35, 35 are removed from the extension pipe body 26a and the cover 33, and the end of the cover 33 on the engagement groove 66 side is separated from the extension pipe body 26b. To the engagement groove 66.
And the flange 50 are disengaged, and the end portions of the engagement flanges 62 and 63 of the cover 33 on the engagement groove 66 side are engaged with the engagement grooves 29 and 3.
After removing the cover 33 from the
By moving the tip claws 26c 'and 26c' of the c and 26c in the extending direction, the tip claws 33a 'of the locked claws 33a provided on the cover 33 are separated from the locking claws 26c provided on the extension tube 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 tube body 26a. Therefore, the tip claw portion 33a 'of the locked claw 33a provided on the cover 33 can be easily engaged and disengaged from the locking claw 26c provided on the extension tube body 26a. Unreasonable force does not act on 33a and the 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 and 26c are used.
The direction of the tip claws 26c 'and 26c' of the extension tube main body 26
Although the example in which the lengthwise direction of a is the same and the same direction is shown, the present invention is not necessarily limited to this configuration, and the point is that the tip claw portions 26c ′, 26c ′ face the lengthwise direction of the extension tube body 26a. For example, the tip claws 26c 'and 26c' may face each other, or the tip claws 26c 'and 26c may be opposed to each other.
The c's may be opposite to each other. This point is that the tip claw portions 33a ', 33a of the locked claws 33a, 33a.
The same applies to ′ ′, and the orientations of the tip claw portions 33a ′, 33a ′ of the locked claws 33a, 33a are the tip claw portions 26c ′, 26a.
The direction is set so that it 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 tip claws 26c ', 26c' of the locking claws 26c, 26c on the extension tube body 26a side face each other, the locked claw 3 on the cover 33 side.
The locked claws 33a, 33a are engaged with the locking claws 2 with the tip claws 33a ', 33a' of the respective 3a, 33a facing opposite sides.
Located between 6c and 26c, the tip claw portions 33a ', 33
a'is engaged with the tip claw portions 26c ', 26c'. In order to remove the cover 33 assembled in this way, by pressing both end portions of the cover 33 in the direction in which the central portion of the cover 33 floats up from the extension pipe body 26a, the tip claw portions 33a ', 3'
3a 'is easily detached from 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 side of the extension tube body 26a
When the tip claws 26c 'and 26c' of the 6c and 26c face each other, the tip claws 33a 'and 33a' of the locked claws 33a and 33a on the cover 33 side face each other. The locking claws 26c and 26c are engaged with the locked claw 33.
located between a and 33a, the tip claw portions 33a ', 33a
′ Engages with the tip claw portions 26c ′, 26c ′. In order to remove the cover 33 assembled in this way, the center part between the locked claws 33a, 33a of the cover 33 is pressed so that the tip claw parts 33a ', 33a' are brought into contact with the tip claw parts 26c ', 26c.
It's easy to 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, the invention of claim 1 extends along the extension tube body to cover the entire extension tube power supply wiring, and the extension tube body is provided with the cover. A plurality of locking claws formed integrally with the portion facing the cover and arranged along the extension tube main body, and a plurality of lockeds provided on the cover and respectively locked by the locking claws Since a claw and a screw means for fixing both ends of the cover to the extension tube body are provided, and the plurality of locking claws are configured such that the claw portions are oriented in the longitudinal direction of the extension tube body,
By bending the cover or moving the cover in the longitudinal direction of the extension tube body, the tip claws of the locked claws provided on the cover can be easily disengaged from the locking claws provided on the extension tube body. It will be. Also, by doing the reverse of this,
The cover is easily assembled to the extension tube main body, and no unreasonable force acts on the locked claws or the locking claws at this time.
【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, since the tip claws of the plurality of locking claws are oriented in the same direction, the tip claws of the locked claws provided on the cover are the locking claws provided on the extension tube body. However, in this case, no unreasonable force is applied to the locked claws and the locking claws.
【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。Moreover, by constructing 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 a part of the extension tube so as to be easily gripped.
【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 sectional view of a main part of an extension tube for an electric vacuum cleaner according to the present invention, and FIG. 1B is an enlarged 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 the 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.
【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 tube body shown in FIG. 1 (a),
4B is a sectional view taken along the line BB in 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。5 (a) is a plan view of the cover shown in FIG. 1, and FIG. 5 (b) is FIG.
(a) is a cross-sectional view taken along the line C-C, (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 an electric vacuum cleaner including the extension pipe shown in FIG.
【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 vacuum cleaner including a conventional extension tube.
【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。8A is a plan view of the extension tube main body of the extension tube shown in FIG. 7, FIG. 8B is a sectional view taken along line D-D of FIG. 8A, and FIG. 8C is an extension tube of FIG. 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 cross-sectional view of an essential part showing a locked state of the cover and the extension tube main body of FIG. 7, and (b) and (c) are operation explanatory views of the locking claw of (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） 21 ... Vacuum cleaner body 22 ... Dust collecting hose 25 ... Suction port body 26 ... Extension tube 26a ... Extension tube body 26c ... Locking claw 26c '... Tip locking claw portion 31, 32 ... Extension tube power supply wiring 33 ... Cover 33a ... Locked claw 33a '... Tip locking claw portion 35 ... Screw (screw means)
Claims (2)
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 free end portion of a dust collecting hose communicating with a dust collection chamber of a cleaner body and a suction port body, and wiring fixed along an outer peripheral surface of the extension pipe body. And an extension pipe power supply wiring that connects the power supply wiring in the hose wired from the power supply circuit of the vacuum cleaner body to the free end of the dust collecting hose and the electric drive unit in the suction port body, and along the extension tube body. A cover that extends over and covers the entire extension pipe power supply wiring; a plurality of locking claws that are integrally formed in a portion of the extension pipe main body that faces the cover and that is disposed along the extension pipe main body; A plurality of locked claws provided and locked to the respective locking claws; and screw means for fixing both ends of the cover to the extension tube main body. Characterized in that it is oriented in the longitudinal direction of the extension tube body. Extension tube for vacuum cleaner.
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 the electric 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 true JPH07313413A (en) | 1995-12-05 |
| JP3315526B2 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 |
|---|---|
| JP3315526B2 (en) | 2002-08-19 |
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