JPH0479927A - Universal wheel device - Google Patents
Universal wheel deviceInfo
- Publication number
- JPH0479927A JPH0479927A JP19354790A JP19354790A JPH0479927A JP H0479927 A JPH0479927 A JP H0479927A JP 19354790 A JP19354790 A JP 19354790A JP 19354790 A JP19354790 A JP 19354790A JP H0479927 A JPH0479927 A JP H0479927A
- Authority
- JP
- Japan
- Prior art keywords
- wheel
- axle
- equipment
- recessed part
- equipment body
- 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
- 230000035939 shock Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000009191 jumping Effects 0.000 abstract 1
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Electric Suction Cleaners (AREA)
Abstract
Description
【発明の詳細な説明】
（イ） 産業上の利用分野
本発明は、電気掃除機等の機器に使用される自在車輪装
置の改良に関する。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to an improvement of a free wheel device used in equipment such as a vacuum cleaner.
（ロ） 従来の技術
従来、電気掃除機等の段差を有する場所を走行する機器
の自在車輪として、例えば実開昭６２−１００１４８号
公報が知られている。この自在車輪は、電気掃除機本体
の底面から垂下形成した取付軸に保持板を回転自在に支
持し、この保持板に、車輪を回転自在に支持した車輪取
付板を揺動自在に支持すると共に、保持板と車輪取付板
との間にバネ体を介在させ、機器走行時に段差があった
場合、車輪のショックをバネ体により軽減し、段差走行
時に機器本体が跳ねるのを防止するようになっている。(b) Prior Art Conventionally, for example, Japanese Utility Model Application Publication No. 1983-100148 is known as a flexible wheel for a device such as a vacuum cleaner that travels on a place with a difference in level. In this flexible wheel, a holding plate is rotatably supported on a mounting shaft that hangs down from the bottom of the vacuum cleaner body, and a wheel mounting plate that rotatably supports a wheel is supported on this holding plate so as to be swingable. , a spring body is interposed between the holding plate and the wheel mounting plate, and if there is a step when the device is running, the spring body reduces the shock of the wheels and prevents the device body from bouncing when the device is running on a step. ing.
しかしながら、この構成では構造が複雑化すると共に、
大型化し、機器本体の取付軸と車輪の軸との間隔が大き
くなるため、機器本体の走行方向を変更する際不安定と
なり、著しい場合には機器本体が転倒する虞があった。However, this configuration complicates the structure and
As the size of the device increases, the distance between the mounting shaft of the device body and the wheel axle increases, making it unstable when changing the running direction of the device body, and in extreme cases, there is a risk that the device body may fall.
（ハ） 発明が解決しようとする課題
本発明は上記欠点に鑑みなされたもので、簡単な構造で
、取り付けられる機器の安定を図り得る自在車輪を提供
することを課題とする。(c) Problems to be Solved by the Invention The present invention has been made in view of the above-mentioned drawbacks, and an object thereof is to provide a swivel wheel that has a simple structure and can stabilize the equipment to which it is attached.
（ニ） 課題を解決するための手段
本発明は、機器本体底面から垂設された取付軸に対して
回動自在に支持された基台と、基台に形成された保持部
に配設され、保持部両側面の相対向する位置に形成され
た凹部に軸が支持されて下部が基台より下方に突出する
車輪と、四部に配設され、車輪の軸を下方に押圧するバ
ネ体とを備えたことを特徴とするものである。(d) Means for Solving the Problems The present invention comprises a base that is rotatably supported with respect to a mounting shaft vertically provided from the bottom of the device body, and a holding portion that is disposed on the base. , a wheel whose shaft is supported by recesses formed in opposing positions on both sides of the holding part, and whose lower part protrudes downward from the base; and a spring body which is disposed in four parts and presses the wheel shaft downward. It is characterized by having the following.
（ホ） 作用
走行時に段差がある場合などには、バネ体が収縮して段
差によるショックを和らげ、ショックの機器本体への伝
達を減少する。(E) Function When there is a difference in level while driving, the spring body contracts to soften the shock caused by the difference and reduce the transmission of the shock to the main body of the device.
また、取付軸と車輪との間隔が小さくなり、自在車輪装
置が小型化されると共に、急激に走行方向を変更する場
合でも安定な走行が行われる。In addition, the distance between the mounting shaft and the wheel becomes smaller, the swivel wheel device becomes smaller, and stable running is achieved even when the running direction is suddenly changed.
（へ） 実施例
本発明を電気掃除機に利用した一実施例に基づき以下に
詳述する。(f) Example A detailed description will be given below based on an example in which the present invention is applied to a vacuum cleaner.
第６図において、１は電動送風機２、集塵袋３等を内蔵
する合成樹脂製の電気掃除機本体で、後方両側に一対の
後部車輪４を、前方中央部に自在車輪装置５を有してい
る。In Fig. 6, reference numeral 1 denotes a vacuum cleaner body made of synthetic resin that houses an electric blower 2, a dust collection bag 3, etc., and has a pair of rear wheels 4 on both rear sides and a swivel wheel device 5 at the center of the front. ing.
以下、第１図乃至第５図に基づき前記自在車輪装置５を
説明する。The swivel wheel device 5 will be explained below based on FIGS. 1 to 5.
６は前記電気掃除機本体１底面に形成された取付座で、
その中央部に電気掃除機本体１底面から取付軸７が一体
に垂下形成されており、取付軸７の下端部に係合突起８
が一体形成されている。6 is a mounting seat formed on the bottom surface of the vacuum cleaner main body 1;
A mounting shaft 7 is integrally formed hanging down from the bottom surface of the vacuum cleaner main body 1 in the center thereof, and an engaging protrusion 8 is provided at the lower end of the mounting shaft 7.
are integrally formed.
９は前記取付軸７に回動自在に装着される上面を開口し
た半球状の合成樹脂製基台で、中央部に一体に形成され
た軸受部１０を、前記取付軸７の外周に挿入し、係合突
起８により抜は止めされている。１１は前記基台９の外
周から軸受部１０に掛けて形成された後述する車輪１４
の保持部となる切欠部で、切欠部１１の相対向する両側
壁１２は、切欠部１１の開口部側を下方に向けて膨出さ
せている。前記切欠部１１の両側壁１２には相対向する
位置に凹部１３が形成されており、該凹部１３は前記切
欠部１１側と上面を開口している。Reference numeral 9 denotes a hemispherical synthetic resin base with an open upper surface that is rotatably mounted on the mounting shaft 7, and a bearing portion 10 integrally formed in the center is inserted into the outer periphery of the mounting shaft 7. , is prevented from being pulled out by the engaging protrusion 8. Reference numeral 11 denotes a wheel 14 which will be described later and is formed from the outer periphery of the base 9 to the bearing part 10.
The opposite side walls 12 of the notch 11 are bulged downward at the opening side of the notch 11 . Recesses 13 are formed on both side walls 12 of the cutout 11 at opposing positions, and the recesses 13 are open on the cutout 11 side and on the upper surface.
１４は前記基台９の切欠部１１に配設される合成樹脂製
の車輪で、軸１５を前記凹部１３に挿入し、下部が切欠
部１１より下方に突出しており、前記車輪１４は軸１５
に対して回転自在に支持されている。Reference numeral 14 denotes a synthetic resin wheel disposed in the notch 11 of the base 9. The shaft 15 is inserted into the recess 13 and the lower part protrudes below the notch 11.
It is rotatably supported.
１６は前記四部１３内に挿入されるバネ体、１７は前記
切欠部１１上面及び凹部１３上面を被う蓋体で、該蓋体
１７をネジ１８にて前記基台９に固定することにより、
前記バネ体１６にて車輪１４の軸１５を下方に押圧する
ようになっている。16 is a spring body inserted into the four parts 13, 17 is a lid that covers the upper surface of the notch 11 and the upper surface of the recess 13, and by fixing the lid 17 to the base 9 with screws 18,
The spring body 16 presses the shaft 15 of the wheel 14 downward.
而して、走行時には、第１図に示すごとく、車輪１４の
軸１５がバネ体１６下端と凹部１３底面との間で支持さ
れているので、使用者の掃除動作により軸１５を中心と
して車輪１４が回転し、走行する。During running, the shaft 15 of the wheel 14 is supported between the lower end of the spring body 16 and the bottom surface of the recess 13, as shown in FIG. 14 rotates and runs.
走行時に段差があった場合などには、第２図に示すごと
く、バネ体１６が収縮し、段差によるショックの電気掃
除機本体１への伝達を防止し、電気掃除機本体１が跳ね
るのが減少される。When there is a difference in level while traveling, the spring body 16 contracts as shown in Fig. 2, preventing the shock caused by the difference from being transmitted to the vacuum cleaner body 1, and preventing the vacuum cleaner body 1 from bouncing. reduced.
また、取付軸７と車輪１４が近接しているので、掃除動
作時に、電気掃除機本体１の走行方向を急激に変更した
場合でも電気掃除機本体１が転倒することはなく、安定
な掃除動作を行うことができる。In addition, since the mounting shaft 7 and the wheels 14 are close to each other, even if the running direction of the vacuum cleaner body 1 is suddenly changed during the cleaning operation, the vacuum cleaner body 1 will not fall over, resulting in stable cleaning operation. It can be performed.
尚、本実施例では電気掃除機本体１の前方中央部に自在
車輪装置５を設けたが、本実施例の自在車輪装置５は取
付軸７と車輪１４とが近接し、小型化できるので、電気
掃除機本体１の前方両側に一対の自在車輪装置５を設け
ることもでき、この構成であれば、より一層電気掃除機
本体１に安定した走行をさせることができる。Note that in this embodiment, the swivel wheel device 5 is provided at the front central part of the vacuum cleaner main body 1, but the swivel wheel device 5 of this embodiment has the mounting shaft 7 and the wheels 14 close to each other, and can be downsized. A pair of free wheel devices 5 can also be provided on both sides of the front of the vacuum cleaner main body 1, and with this configuration, the vacuum cleaner main body 1 can be made to run more stably.
また、本実施例は電気掃除機に適用したが、手押車、椅
子等、各種機器に適用できるものである。Furthermore, although this embodiment is applied to a vacuum cleaner, it can also be applied to various types of equipment such as handcarts and chairs.
（ト） 発明の効果
以上の如く本発明によれば、簡単な構成で、取付軸と車
輪との間隔を短縮することができ、取り付けられる機器
本体の安定性を向上することができる等の効果を奏する
。(G) Effects of the Invention As described above, according to the present invention, the distance between the mounting shaft and the wheel can be shortened with a simple structure, and the stability of the main body of the equipment to be mounted can be improved. play.
図面はいずれも本発明の一実施例を示し、第１図は通常
時の断面図、第２図はバネ体収縮時の断面図、第３図は
上面図、第４図は側面図、第５図は正面図、第６図は電
気掃除機の側面図である。
１・・・・電気掃除機本体、５・・・・自在車輪、７・
・・・取付軸、９・・・・基台、１１・・・・切欠部、
１３・・・・凹部、１４・・・・車輪、１５・・・・軸
、１６・・・・バネ体。The drawings all show one embodiment of the present invention, and FIG. 1 is a sectional view when the spring body is contracted, FIG. 2 is a sectional view when the spring body is contracted, FIG. 3 is a top view, FIG. 4 is a side view, and FIG. FIG. 5 is a front view, and FIG. 6 is a side view of the vacuum cleaner. 1. Vacuum cleaner body, 5. Swivel wheels, 7.
...Mounting shaft, 9...Base, 11...Notch,
13... recess, 14... wheel, 15... shaft, 16... spring body.
Claims (1)
自在に支持された基台と、該基台に形成された保持部に
配設され、保持部両側面の相対向する位置に形成された
凹部に軸が支持されて下部が前記基台より下方に突出す
る車輪と、前記凹部に配設され、前記車輪の軸を下方に
押圧するバネ体とを備えたことを特徴とする自在車輪装
置。(1) A base that is rotatably supported on a mounting shaft vertically installed from the bottom of the device body, and a holding part formed on the base, with opposing positions on both sides of the holding part. The wheel is characterized by comprising a wheel whose shaft is supported in a recess formed in the recess and whose lower part protrudes downward from the base, and a spring body disposed in the recess and which presses the shaft of the wheel downward. Swivel wheel device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19354790A JPH0479927A (en) | 1990-07-20 | 1990-07-20 | Universal wheel device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19354790A JPH0479927A (en) | 1990-07-20 | 1990-07-20 | Universal wheel device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0479927A true JPH0479927A (en) | 1992-03-13 |
Family
ID=16309882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19354790A Pending JPH0479927A (en) | 1990-07-20 | 1990-07-20 | Universal wheel device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0479927A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0632108U (en) * | 1992-09-29 | 1994-04-26 | 日進医療器株式会社 | caster |
| KR20030036065A (en) * | 2001-10-31 | 2003-05-09 | 파라마운트 베드 가부시키가이샤 | Caster apparatus for carrying articles |
| WO2008041956A2 (en) * | 2006-10-06 | 2008-04-10 | Kolektor Liv Predelava Plastike D.O.O. | Spring-loaded wheel in a swivel housing |
| DE102008017736B4 (en) * | 2008-04-07 | 2011-05-19 | Miele & Cie. Kg | Underground vacuum with wheels |
| CN105691107A (en) * | 2016-04-22 | 2016-06-22 | 南京工业职业技术学院 | Universal wheel with self-locking function |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4720523U (en) * | 1971-02-05 | 1972-11-08 |
-
1990
- 1990-07-20 JP JP19354790A patent/JPH0479927A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4720523U (en) * | 1971-02-05 | 1972-11-08 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0632108U (en) * | 1992-09-29 | 1994-04-26 | 日進医療器株式会社 | caster |
| KR20030036065A (en) * | 2001-10-31 | 2003-05-09 | 파라마운트 베드 가부시키가이샤 | Caster apparatus for carrying articles |
| WO2008041956A2 (en) * | 2006-10-06 | 2008-04-10 | Kolektor Liv Predelava Plastike D.O.O. | Spring-loaded wheel in a swivel housing |
| WO2008041956A3 (en) * | 2006-10-06 | 2009-04-16 | Kolektor Liv Predelava Plastik | Spring-loaded wheel in a swivel housing |
| DE102008017736B4 (en) * | 2008-04-07 | 2011-05-19 | Miele & Cie. Kg | Underground vacuum with wheels |
| CN105691107A (en) * | 2016-04-22 | 2016-06-22 | 南京工业职业技术学院 | Universal wheel with self-locking function |
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