JPH0292324A - Floor nozzle for cleaner - Google Patents
Floor nozzle for cleanerInfo
- Publication number
- JPH0292324A JPH0292324A JP24493388A JP24493388A JPH0292324A JP H0292324 A JPH0292324 A JP H0292324A JP 24493388 A JP24493388 A JP 24493388A JP 24493388 A JP24493388 A JP 24493388A JP H0292324 A JPH0292324 A JP H0292324A
- Authority
- JP
- Japan
- Prior art keywords
- bearing holder
- turbine
- turbine shaft
- bearing
- ball bearings
- 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.)
- Pending
Links
- 239000000428 dust Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 208000024780 Urticaria Diseases 0.000 abstract 1
- 230000036316 preload Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明はタービンによシ回転する回転ブラシを有する掃
除機用床ノズルに関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a floor nozzle for a vacuum cleaner having a rotating brush rotated by a turbine.
従来の技術
従来この種掃除機用床ノズルとしては、たとえば第５図
、第６図、第７図に示すように構成されたものが知られ
ている。すなわち、１は複数枚のブレードを有し、吸気
された空気流により回転するタービン車であυ、軸受ホ
ルダー２の内部に装着された玉軸受３ａ 、ｓｂにター
ビン軸４が支持されている。６は回転ブラシで、タイミ
ングベルト６により前記タービン車１のタービン軸４に
連結されている。すなわち、タービン軸４の一端および
回転ブラシ５の一端を歯切りし、これらの間にタイミン
グベルト６を掛は渡すことにより、ベルト減速器を構成
している。、７は前記タービン車１を内包するタービン
室であシ、連通孔８を介して延長管ホースから掃除機本
体（図示せず）につながっている。９はノズル本体１０
の隔壁１１に設けられタービン室７と連通ずるタービン
用吸気孔で、この吸気孔９よシ吸い込まれた噴流がタビ
ン車１のブレードに衝突し、タービン車１を回転させる
ようになっている。タービン車１の回転は前記タイミン
グベルト６よυ回転ブラシ６に伝わる。これにより回転
ブラシ５が回転してじゅうたん上の塵埃がかき上げられ
、吸引されるものである。2. Description of the Related Art Conventionally, floor nozzles for vacuum cleaners of this type are known, for example, as shown in FIGS. 5, 6, and 7. That is, reference numeral 1 is a turbine wheel having a plurality of blades and rotated by an intake air flow, and a turbine shaft 4 is supported by ball bearings 3a and sb mounted inside a bearing holder 2. Reference numeral 6 denotes a rotating brush, which is connected to the turbine shaft 4 of the turbine wheel 1 by a timing belt 6. That is, one end of the turbine shaft 4 and one end of the rotary brush 5 are geared, and a timing belt 6 is passed between them to form a belt speed reducer. , 7 is a turbine chamber containing the turbine wheel 1, and is connected to a vacuum cleaner main body (not shown) from an extension pipe hose through a communication hole 8. 9 is the nozzle body 10
A jet stream sucked in through the intake hole 9 collides with the blades of the turbine wheel 1, causing the turbine wheel 1 to rotate. The rotation of the turbine wheel 1 is transmitted to the timing belt 6 and the υ rotating brush 6. As a result, the rotary brush 5 rotates and dust on the carpet is scraped up and sucked.
発明が解決しようとする課題
軸受として玉軸受を使用する場合は両側の玉軸受３ａ、
３ｂが互いに並行で、同軸上にある必要がある。これら
の精度が悪いと、騒音を発生したシ、又寿命が短くなる
などの問題が発生する。このため、本体で軸受を直接支
持せず、精度を良くした軸受ホルダー２で一度玉軸受３
ａ、３ｂを保持している。又、この軸受ホルダー２は、
玉軸受ｓａ、３ｂのグリス等が樹脂でできた本体に付着
し樹脂を劣化させることも防いでいる。軸受ホルダー２
は精度を良くするため一体の部品として構成される事が
望ましく、第７図に示すように、略円筒形を有し、内周
部に玉軸受３ａ、３））の軸方向への動きを規制する段
差１２を玉軸受３ａ、３ｂの外輪１３と当接するように
設けている。そしてこの軸受ホルダー２の両側に玉軸受
３ａ 、 ３ｂを段差１２まで圧入し固着し、その後、
タービン軸４を玉軸受３ａ、３ｂに通し、抜は止め輸１
４ａ。Problems to be Solved by the Invention When ball bearings are used as bearings, ball bearings 3a on both sides,
3b must be parallel to each other and coaxial. If these precisions are poor, problems such as noise generation and shortened life may occur. Therefore, instead of directly supporting the bearing with the main body, the bearing holder 2 with improved accuracy is used to hold the ball bearing 3 once.
It holds a and 3b. Moreover, this bearing holder 2 is
This also prevents grease and the like from the ball bearings sa and 3b from adhering to the main body made of resin and deteriorating the resin. Bearing holder 2
In order to improve accuracy, it is desirable to construct it as an integral part, and as shown in Fig. 7, it has a substantially cylindrical shape and has ball bearings 3a, 3)) on the inner periphery that prevent movement in the axial direction. A regulating step 12 is provided so as to come into contact with the outer rings 13 of the ball bearings 3a, 3b. Then, ball bearings 3a and 3b are press-fitted to both sides of this bearing holder 2 up to the step 12 and fixed, and then,
Pass the turbine shaft 4 through the ball bearings 3a and 3b, and transport it without removing it.
4a.
１４ｂを軸に装着するといった手順で組みたてるさいと
、非常に組み立てにくく、場合によっては玉軸受３ａ、
３ｂを損傷するという問題があった。When assembling the ball bearing 3a, it is very difficult to assemble it by attaching the ball bearing 3a to the shaft.
There was a problem of damaging 3b.
逆にこの隙間を大きくすると、玉軸受とタービン軸の間
で空転が生じ、この玉軸受を焼損させる危険性があシ、
騒音も大きくなってしまう。Conversely, if this gap is increased, idling will occur between the ball bearing and the turbine shaft, increasing the risk of burning out the ball bearing.
The noise will also get louder.
本発明はこのような問題を解決するもので、玉軸受を用
いて内輪と回転軸との間の空転なく、長寿命でしかも低
騒音の軸受を備えた床ノズルを提供することを目的とす
るものである。The present invention solves these problems, and aims to provide a floor nozzle equipped with a ball bearing that eliminates idle rotation between the inner ring and the rotating shaft, has a long life, and has low noise. It is something.
課題を解決するための手段
この問題を解決するために本発明は、ノズル本体の内部
に吸気流によって回転するタービン車と、このタービン
車のタービン軸にぺ／Ｖ ）によって連結されて回転す
る回転ブラシとを備え、前記タービン軸は、玉軸受と、
軸受ホルダーを介してノズル本体に支持し、かつ上記軸
受ホルダーの長手方向にはスリットを形成したものであ
る。Means for Solving the Problems In order to solve this problem, the present invention provides a turbine wheel which is rotated by the intake air flow inside the nozzle body, and a rotary wheel which is connected to the turbine shaft of the turbine wheel by P/V) and which rotates. a brush, and the turbine shaft includes a ball bearing;
The nozzle body is supported through a bearing holder, and a slit is formed in the longitudinal direction of the bearing holder.
作 用
この構成により、玉軸受の内輪をタービン軸に圧入して
固定し、玉軸受の外輪を軸受ホルダーで支持しているた
め玉軸受が傾くことなく、しかも内輪とタービン軸との
間、および、外輪と軸受ホルダーとの間で空転が生じる
事もなく、音が静かで長寿命の軸受を得ることができる
。しかも組立てに関しては、スリ、７１−のところよシ
軸受ホルダーを拡開すれば非常に簡単であり、玉軸受を
損傷する事もない。Function: With this configuration, the inner ring of the ball bearing is press-fitted onto the turbine shaft and fixed, and the outer ring of the ball bearing is supported by the bearing holder, so the ball bearing does not tilt, and moreover, , there is no idling between the outer ring and the bearing holder, and a quiet, long-life bearing can be obtained. Furthermore, assembly is very easy by opening the bearing holder at the pickpocket 71-, and the ball bearing will not be damaged.
実施例
以下、本発明の実施例について、図面に基づいて説明す
る。なお、基本的構成は、従来例とはソ同一のため、同
一符号を記してその説明を略す。Embodiments Hereinafter, embodiments of the present invention will be described based on the drawings. The basic configuration is the same as that of the conventional example, so the same reference numerals are used and the explanation thereof will be omitted.
本発明の主要部であるタービン車回転軸、軸受部分につ
いてのみ説明する。Only the turbine wheel rotating shaft and bearing portion, which are the main parts of the present invention, will be explained.
第１図〜第３図において、タービン車１のタービン軸４
には軸方向に適当間隔おいた位置に、２つの玉軸受３ａ
、 ３ｂが圧入されている。すなわち、玉軸受３ａ、
３ｂを装着する部分２箇所に筋立て部３０．３１が形成
され、この２箇所の筋立て部３０．３１の互いに近接す
る端部に溝３２゜３３が形成され、この溝に止め輪３４
．３５が取り付けられている。このように止め輸３４
、３５が取り付けられたタービン軸４に両端からそれぞ
れ玉軸受３ａ 、３ｂを筋立て部３０．３１に前記止め
輪ｓ５．３６で規制される位置まで圧入固定する。次に
、タービン車１を一方の玉軸受３ａの内輪１６ａに当接
する迄タービン軸４に圧入させ、その後ワッシャ３６及
びストップナツト３７を固定することによシ玉軸受３ａ
およびタフピン車１の抜は止めを行なっている。他方玉
軸受３ｂの抜は止めは、この玉軸受３ｂの内輪１６ｂの
外側からタービン軸４にスペーサ３８および止め輪３９
を装着することによって行なっている。次に４０は軸受
ホルダーであり、略円筒形状であシ、長手方向にスリッ
ト４１が設けられている。そして、この内周部には玉軸
受３ａ 、３ｂの軸方向の位置規制用の段差４２が設け
られている。この軸受ホルダー４０は、スリット４１に
よって径方向に可とう性とバネ性を有している。すなわ
ち、このスＩＪ 、ト４１を矢印のように押し広げる事
により、内径を広げる事ができる。前述した、玉軸受３
ａ。In FIGS. 1 to 3, a turbine shaft 4 of a turbine wheel 1 is shown.
Two ball bearings 3a are installed at appropriate intervals in the axial direction.
, 3b are press-fitted. That is, the ball bearing 3a,
3b is attached, and a groove 32° 33 is formed at the mutually adjacent ends of the two raised portions 30.31, and a retaining ring 34 is inserted into this groove.
．． 35 is installed. Stopped import 34 like this
, 35 are attached to the turbine shaft 4 from both ends, and the ball bearings 3a and 3b are press-fitted and fixed into the raised portions 30.31 to the positions regulated by the retaining rings s5.36. Next, the turbine wheel 1 is press-fitted onto the turbine shaft 4 until it comes into contact with the inner ring 16a of one of the ball bearings 3a, and then the washer 36 and the stop nut 37 are fixed to secure the ball bearing 3a.
Also, the tuff pin wheel 1 is prevented from being pulled out. On the other hand, to prevent the ball bearing 3b from being removed, a spacer 38 and a retaining ring 39 are attached to the turbine shaft 4 from the outside of the inner ring 16b of the ball bearing 3b.
This is done by installing the . Next, 40 is a bearing holder, which is approximately cylindrical in shape and has a slit 41 provided in the longitudinal direction. A step 42 for regulating the axial position of the ball bearings 3a and 3b is provided on the inner peripheral portion. This bearing holder 40 has flexibility and springiness in the radial direction due to the slits 41. In other words, the inner diameter can be increased by expanding this hole 41 in the direction of the arrow. Ball bearing 3 mentioned above
a.
３ｂを固着したタービン軸４を軸受ホルダー４１に通す
ためには、同軸受ホルダー４１の段差部４２の内径を玉
軸受３ａ、３ｂの外径よシも大きくなるように広げ、一
端からタービン軸４を通し、段差部に玉軸受外輪が当接
する位置に置き軸受ホルダー４ｏを元に戻せば、タービ
ン軸４は、軸受ホルダー４０にそのバネ性によって固定
される。In order to pass the turbine shaft 4 to which the ball bearings 3b are fixed, through the bearing holder 41, the inner diameter of the stepped portion 42 of the bearing holder 41 is expanded so that the outer diameter of the ball bearings 3a and 3b is also larger, and the turbine shaft 4 is inserted from one end. When the bearing holder 4o is placed in a position where the outer ring of the ball bearing contacts the stepped portion and the bearing holder 4o is returned to its original position, the turbine shaft 4 is fixed to the bearing holder 40 by its spring properties.
この時、一方の玉軸受３ａの外輪１３ａと軸受ホルダー
４０の段差部４２０間に波形ワッシャ４３を介在させて
おけば、玉軸受３ａ、３ｂに予圧を与える事ができる。At this time, if a wave washer 43 is interposed between the outer ring 13a of one ball bearing 3a and the stepped portion 420 of the bearing holder 40, a preload can be applied to the ball bearings 3a and 3b.
すなわち、軸受ホルダー４０の玉軸受の径方向への保持
力を、波形ワッシャ４３によって外輪に働く軸方向への
圧力によって玉軸受が動く程度にしておけば、波形ワッ
シャ４３によって両側の玉軸受に予圧が加わる。第３図
のように、軸受ホルダー４ｏにタービン軸４を通し、そ
の後、軸受ホルダーを押し広げた状態で玉軸受３ａ、３
ｂを圧入すれば、軸受ホルダー４０を僅かに押し広げる
だけで組立てる事も可能である。In other words, if the holding force of the bearing holder 40 in the radial direction of the ball bearing is set to such an extent that the ball bearing moves due to the axial pressure exerted on the outer ring by the wave washer 43, the wave washer 43 will preload the ball bearings on both sides. is added. As shown in Fig. 3, the turbine shaft 4 is passed through the bearing holder 4o, and then the ball bearings 3a, 3
If b is press-fitted, it is possible to assemble the bearing holder 40 by simply pushing it apart slightly.
以上の構成によれば、タービン軸４に玉軸受３ａ、３ｂ
を圧入固定し、しかも、これら軸受３ａ、３ｂの外輪１
３ａ 、 １３ｂと精度の良い一体部品で構成されｔ軸
受ホルダー４０によって保持することにより両側の玉軸
受ｓａ、ｓｂの並行度、同軸度のすぐれた支持構成が簡
単に行なえ、音が静かで長寿命の軸受構成が得られる。According to the above configuration, the ball bearings 3a, 3b are mounted on the turbine shaft 4.
The outer rings 1 of these bearings 3a and 3b are press-fitted and fixed.
3a and 13b are made of high-precision integral parts, and by holding them with the T bearing holder 40, it is possible to easily support the ball bearings SA and SB on both sides with excellent parallelism and coaxiality, and it is quiet and has a long service life. bearing configuration is obtained.
第４図に示すように、タービン軸４に玉軸受３ａ、ｓｂ
を圧入する時、外輪位置規制用円筒４４と、波形ワッシ
ャ４３を前もって通しておき、その後、段差のない軸受
ホルダー４５を僅かに押し広げた状態にし、前記のター
ビン軸４を通し、外輪位置規制円筒４４の外周部に設け
た凸部４６と、軸受ホルダー４５の小孔４アが嵌合する
位置で、軸受ホルダー４５を元に戻す事によっても本発
明を構成できる。As shown in FIG. 4, ball bearings 3a and sb are mounted on the turbine shaft 4.
When press-fitting the outer ring position, the cylinder 44 for regulating the outer ring position and the wave washer 43 are passed through in advance, and then the flat bearing holder 45 is slightly expanded, and the turbine shaft 4 is passed through the cylinder 44 for regulating the outer ring position. The present invention can also be configured by returning the bearing holder 45 to its original position at a position where the convex portion 46 provided on the outer circumference of the cylinder 44 and the small hole 4A of the bearing holder 45 fit together.
又、スリットは直線でなく、螺旋状でもよい。Further, the slit may not be straight but may be spiral.
発明の効果
以上のように本発明によれば、玉軸受の内輪をタービン
軸に圧入して固定し、玉軸受の外輪を一体部品の軸受ホ
ルダーで支持しており１、これにより玉軸受が煩くこと
なく、しかも、内輪とタービン軸との間および外輪と軸
受ホルダーとの間で空転が生じることもなく、音が静か
で長寿命の軸受を得ることができる。Effects of the Invention As described above, according to the present invention, the inner ring of the ball bearing is press-fitted into the turbine shaft and fixed, and the outer ring of the ball bearing is supported by the bearing holder, which is an integral part.1 This makes the ball bearing less cumbersome. Moreover, there is no idling between the inner ring and the turbine shaft and between the outer ring and the bearing holder, making it possible to obtain a quiet bearing with a long life.
第１図は本発明の実施例を示す要部断面図、第２図は同
分解断面図、第３図は分解斜視図、第４図は他の実施例
を示す分解断面図、第５図は従来の床ノズルの横断面図
、第６図は縦断面図、第７図は軸受部分の断面図である
。
１・・・・タービン車、３ａ 、３ｂ・・・・玉軸受、
４・、タービン軸、５・・・・・・回転ブラン、６・・
・・ベルト、了 ・・タービン室、８・・・・・連！孔
、９・・・・・・タビン用吸気孔、１Ｑ・・・・ノズル
本体、４０゜４５・・・軸受ホルダー、４１・・・・・
・スリ、ト。
代理人の氏名 弁理士 粟 野 重 孝 ほか１名派
４１−−−スリッド
派
第
図
第
図
第
図
第
図Fig. 1 is a sectional view of essential parts showing an embodiment of the present invention, Fig. 2 is an exploded sectional view of the same, Fig. 3 is an exploded perspective view, Fig. 4 is an exploded sectional view showing another embodiment, and Fig. 5. 6 is a cross-sectional view of a conventional floor nozzle, FIG. 6 is a longitudinal sectional view, and FIG. 7 is a sectional view of a bearing portion. 1... Turbine wheel, 3a, 3b... Ball bearing,
4. Turbine shaft, 5...Rotating blade, 6...
...Belt, complete...Turbine chamber, 8...Continued! Hole, 9...Tabbin intake hole, 1Q...Nozzle body, 40°45...Bearing holder, 41...
・Pickpocket, To. Name of agent: Patent attorney Shigetaka Awano and 1 other person 41 --- Slid school
Claims (1)
ービン車を一端に固着し、他端にベルト駆動用プーリを
設けたタービン軸と、同タービン軸にベルトで連結され
た回転ブラシと、上記タービン車を内包し、一方にター
ビン車を回す空気流を導くとともに塵埃を吸込むタービ
ン用吸気孔を、他方に掃除機延長管と連通する連通孔を
それぞれ有するタービン室と、これらを内包する床ノズ
ル本体と、内輪部が上記タービン軸の外周に圧入固着さ
れた玉軸受と、この玉軸受の外輪部を保持するとともに
、床ノズル本体内に取付けられた筒形の軸受ホルダーと
を具備し、上記軸受ホルダーは長手方向にスリットを形
成した掃除機用床ノズル。A turbine wheel rotated by an intake air flow, a turbine shaft to which the turbine wheel is fixed at one end and a belt drive pulley provided at the other end, a rotating brush connected to the turbine shaft by a belt, and the turbine. A turbine chamber that encloses the car and has a turbine intake hole on one side that guides the airflow that turns the turbine car and sucks in dust, and a communication hole that communicates with the vacuum cleaner extension pipe on the other side, and a floor nozzle body that contains these. a ball bearing having an inner ring portion press-fitted onto the outer periphery of the turbine shaft; and a cylindrical bearing holder that holds the outer ring portion of the ball bearing and is installed within the floor nozzle body, The holder is a floor nozzle for vacuum cleaners with a slit formed in the longitudinal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24493388A JPH0292324A (en) | 1988-09-29 | 1988-09-29 | Floor nozzle for cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24493388A JPH0292324A (en) | 1988-09-29 | 1988-09-29 | Floor nozzle for cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0292324A true JPH0292324A (en) | 1990-04-03 |
Family
ID=17126126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24493388A Pending JPH0292324A (en) | 1988-09-29 | 1988-09-29 | Floor nozzle for cleaner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0292324A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004045010A3 (en) * | 2002-11-14 | 2005-01-20 | 3M Innovative Properties Co | Fuel cell stack |
| WO2005008826A1 (en) * | 2003-07-22 | 2005-01-27 | Toyota Jidosha Kabushiki Kaisha | Thermal stress tolerant fuel cell assembly within a housing |
-
1988
- 1988-09-29 JP JP24493388A patent/JPH0292324A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004045010A3 (en) * | 2002-11-14 | 2005-01-20 | 3M Innovative Properties Co | Fuel cell stack |
| WO2005008826A1 (en) * | 2003-07-22 | 2005-01-27 | Toyota Jidosha Kabushiki Kaisha | Thermal stress tolerant fuel cell assembly within a housing |
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