JPS6210532A - Ventilation fan - Google Patents
Ventilation fanInfo
- Publication number
- JPS6210532A JPS6210532A JP14960085A JP14960085A JPS6210532A JP S6210532 A JPS6210532 A JP S6210532A JP 14960085 A JP14960085 A JP 14960085A JP 14960085 A JP14960085 A JP 14960085A JP S6210532 A JPS6210532 A JP S6210532A
- Authority
- JP
- Japan
- Prior art keywords
- spinner
- hole
- motor shaft
- vane
- cutaway portion
- 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、壁または天井等に取付け、室内の換気を行な
う換気扇に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a ventilation fan that is attached to a wall or ceiling to ventilate a room.
従来の技術
近年、換気扇をより狭いスペースに取シ付けるため羽根
厚み寸法のより薄いものおよび羽根取付方法のよシ簡略
化が望まれている。BACKGROUND OF THE INVENTION In recent years, in order to install a ventilation fan in a narrower space, there has been a demand for thinner blades and a simpler method for installing the blades.
このようなことから、従来の換気扇の羽根固定は、たと
えば第8図に示すよるに、回転軸であるシャフト101
の先端部にねじ部を設け、このねじ部を軸方向と平行に
切欠き部101aを設け、他方、羽根102は中心にシ
ャフト101が嵌入する穴を貫通して設け、その穴の先
端部に切欠き部101aに合致する凸部102aを設け
である。この構成により、シャフト101を羽根102
に挿入すると互に切欠き部101aと凸部102aが噛
み合い回転方向へのストッパーとなる。軸方向の固定は
、羽根102を貫通したシャフト101の先端ねじ部に
スピンナ103をねじ込むことによシ達成するものであ
った。For this reason, the blades of conventional ventilation fans are fixed on the shaft 101, which is the rotation axis, as shown in FIG. 8, for example.
A threaded portion is provided at the tip of the screw portion, and a notch portion 101a is provided in the threaded portion in parallel with the axial direction.On the other hand, the blade 102 is provided with a hole in the center into which the shaft 101 is inserted, and a notch portion 101a is provided in the threaded portion in parallel with the axial direction. A protrusion 102a that matches the notch 101a is provided. With this configuration, the shaft 101 is connected to the blade 102.
When inserted, the notch 101a and the convex portion 102a engage with each other, forming a stopper in the rotational direction. Fixation in the axial direction was achieved by screwing the spinner 103 into the threaded end of the shaft 101 passing through the blade 102.
発明が解決しようとする問題点
このような従来の構成では、羽根102を脱着する場合
、スピンナ103をシャフト101にもうけたネジ11
018分だけ多数回側さなければならないため、脱着に
時間がかかるという問題があった。また、シャフト10
1と羽根102の固定はネジのためネジ山が合いにくい
という問題があった。Problems to be Solved by the Invention In such a conventional configuration, when the blade 102 is attached or detached, the spinner 103 is attached to the shaft 101 using the screw 11.
There was a problem in that it took a long time to attach and detach because it had to be attached many times for 0.18 minutes. Also, shaft 10
1 and the blade 102 are fixed using screws, so there was a problem that the screw threads were difficult to match.
本発明はこのような問題点を解決するもので1羽根脱着
が瞬時に、また容易に確実に行える換気扇を提供するも
のである。The present invention solves these problems and provides a ventilation fan in which one blade can be attached and detached instantaneously, easily, and reliably.
可聴を解決するための手段
この問題点を解決するために本発BA//i、モータ軸
と、このモータ軸に直角方向に軸を通して取付けられた
羽根回り止め用ピンと、前記モータ軸に固着される中央
にボス部を有する羽根と、前記ボス部と嵌合するスピン
ナとを有し、前記ボス部には、前記モータ軸が挿入され
る軸穴と、この軸穴と直角に前記モータ軸の挿入側端面
に工形状切欠きと、外周に斜め状の牌とを設け、前記ス
ピンナには、前記ボス部の外周と嵌合する穴と、この穴
と直角に前記ボス部挿入側端面にL形状切欠きと前記穴
の内周に小突起を設けたものである。Means for Solving Audible Problems In order to solve this problem, the present invention BA//i includes a motor shaft, a blade rotation stopper pin attached through the motor shaft in a direction perpendicular to the motor shaft, and a pin fixed to the motor shaft. a spinner that fits into the boss part; the boss part has a shaft hole into which the motor shaft is inserted; and a shaft hole in which the motor shaft is inserted perpendicularly to the shaft hole. A machine-shaped notch is provided on the insertion side end surface and an oblique tile is provided on the outer periphery, and the spinner has a hole that fits with the outer periphery of the boss portion, and an L hole on the insertion side end surface of the boss portion at right angles to the hole. A small projection is provided on the inner periphery of the shaped notch and the hole.
作 用
この構成によシ、羽根取付は時には、あらかしめスピン
ナの穴の内周に設けた/JS突起とボス部の斜め状の溝
を係合させて一体化したスピンナと羽根をモータ軸に嵌
入して羽根を押えながらスピンナを回転させることによ
シ取付けられ、一方、取外しは羽根を押さえながらスピ
ンナを取付は時とは逆に回転させることにより行うこと
ができ脱着はごく簡単に行うことができることとなる。Operation With this configuration, the blades are sometimes attached by engaging the JS protrusion provided on the inner periphery of the spinner hole and the diagonal groove of the boss to attach the integrated spinner and blade to the motor shaft. It is attached by inserting it and rotating the spinner while holding the blade, while removal can be done by holding the blade and rotating the spinner in the opposite direction from the time of installation, making it very easy to attach and remove. will be possible.
実施例
、 以下、本発明の一実施例について第1図〜第7図に
もとづき説明する。図において、1はモータ軸であシ軸
心に対して直角方向に軸心を貫通して外径に突出したピ
ン2を設けている。3は羽根であシ、放射状に設けたグ
レード3aの結合部であるリプ4の中央部にボス部7を
有し、このボス部7の回転中心に先詰りの軸穴6を、ま
た、外周には斜め状の溝6を、そして軸穴6の入口部分
には軸穴6の軸心に直角に軸心を通る工形状切欠き8を
設けている。9はスピンナであり、中央部にボス部7の
外周と嵌合する先詰シの穴1oと、この穴10の内周に
ボス部7の外周に設けた斜め状の@eと係合する小突起
11と、前記穴1oの入口部分に穴1oの軸心に直角に
軸心を通るL形状切欠き12を設けている。Embodiment Hereinafter, an embodiment of the present invention will be described based on FIGS. 1 to 7. In the figure, reference numeral 1 designates a motor shaft, and is provided with a pin 2 that passes through the shaft center in a direction perpendicular to the shaft center and projects to the outer diameter. 3 is a blade, and has a boss part 7 in the center of the lip 4, which is a joint part of grade 3a provided radially. An oblique groove 6 is provided in the shaft hole 6, and a machine-shaped notch 8 is provided at the entrance portion of the shaft hole 6, passing through the shaft center at right angles to the shaft center. Reference numeral 9 denotes a spinner, which has a tip-filled hole 1o in its center that fits with the outer periphery of the boss 7, and engages with an oblique @e provided on the outer periphery of the boss 7 in the inner periphery of this hole 10. A small protrusion 11 and an L-shaped notch 12 passing through the axis of the hole 1o at right angles to the axis of the hole 1o are provided at the entrance of the hole 1o.
上記構成において、羽根3の取付けは、スピンナ9の穴
1oの内周に設けた小突起11をボス部7の外周で弾性
変形させながらボス部7をスピンナ9の穴10に押込み
、小突起11と斜め状の溝6を係合させ、スピンナ9を
回転させL形状切欠き12と、ボス部7の工形状切欠き
8を一致させ、モータ軸1をボス部7の軸穴5に挿入し
、ピン2か工形状切欠き8の最深部までくるように入れ
、スピンナ9を左回シに回転させることにより、ピン2
を工形状切欠き8の最深部とL形状切欠き12°のくび
れ部12aの間で固定する。In the above configuration, the blade 3 is attached by pushing the boss part 7 into the hole 10 of the spinner 9 while elastically deforming the small projection 11 provided on the inner periphery of the hole 1o of the spinner 9 on the outer periphery of the boss part 7. The spinner 9 is rotated to align the L-shaped notch 12 with the machined notch 8 of the boss 7, and the motor shaft 1 is inserted into the shaft hole 5 of the boss 7. , insert the pin 2 so that it reaches the deepest part of the notch 8, and rotate the spinner 9 counterclockwise to remove the pin 2.
is fixed between the deepest part of the machine-shaped notch 8 and the constricted part 12a of the L-shaped notch 12°.
また、取外しは、取付けの逆であシスピンナ9を右回シ
に回転させ、スピンナ9のL形状切欠き12とボス部7
の工形状切欠きを一致させ、モータ軸1よシ引き抜くこ
とにより羽根3を取外すことができる。In addition, for removal, rotate the system pinner 9 clockwise in the opposite direction to the installation, and remove the L-shaped notch 12 of the spinner 9 and the boss portion 7.
The blade 3 can be removed by aligning the notches in the machined shape and pulling it out from the motor shaft 1.
発明の効果
以上の実施例の説明より明らかなように本発明によれば
、あらかじめ羽根ボス部と回転自在に係合して一体化し
たスピンナをわずかに回すだけで羽根が瞬時に簡単にか
つ確実に、着脱できるため換気扇の取付は部が狭い場合
でも羽根の取替えが容易に行えるという効果が得られる
。Effects of the Invention As is clear from the description of the embodiments above, according to the present invention, the blades can be instantly and easily and reliably moved by simply slightly turning the spinner, which is integrated with the blade boss portion in a rotatable manner. In addition, since it is removable, the blades can be easily replaced even if the ventilation fan is installed in a narrow space.
第1図は本発明の一実施例による換気扇の羽根と、スピ
ンナとの取付状態を示す斜視図、第2図は同換気扇の羽
根取付状態を示す斜視図、第3図は同換気扇の第1図に
おけるスピンナ部のA−A’断面図、第4図は第3図の
B−B’断面図、第5図は同換気扇のボス部を示す斜視
図、第6図は同換気扇の非固定時の羽根ボスと、スピン
ナの状態図、第7図は同固定状態図、第8図は従来の換
気扇の羽根取付部を示す分解斜視図である。
1・・・・・・モータ軸、2・・・・・・ピン、3・・
・・・・羽根、6・・・−・・軸穴、6・・・・・斜め
状の溝、7−・・・・・ボス部、8・・・・・・工形状
切欠き、9・・・・・・スピンナ、1o・・・・・・穴
、11・・・・・・小突起、12・・・−・・L形状切
欠き。
3°−り]碍
9−−−スむ0ン丈
40−m−化
第6図
ロコ
区
区 。
4 派
法FIG. 1 is a perspective view showing how the blades of a ventilation fan and a spinner are attached according to an embodiment of the present invention, FIG. 2 is a perspective view showing how the blades of the ventilation fan are attached, and FIG. Fig. 4 is a sectional view taken along BB' of Fig. 3, Fig. 5 is a perspective view of the boss of the ventilation fan, and Fig. 6 is an unfixed part of the ventilation fan. FIG. 7 is an exploded view of the blade boss and the spinner, and FIG. 8 is an exploded perspective view showing the blade attachment portion of a conventional ventilation fan. 1...Motor shaft, 2...Pin, 3...
...Blade, 6 ... - ... Shaft hole, 6 ... Diagonal groove, 7 - ... Boss part, 8 ... Machining shape notch, 9 ...Spinner, 1o...hole, 11...small protrusion, 12...L-shaped notch. 3°-ri] 碍9--sum 0-length 40-m-change Figure 6 loco ward. 4 School of Law
Claims (1)
られた羽根回り止め用ピンと、前記モータ軸に固着され
る中央にボス部を有する羽根と、前記ボス部と嵌合する
スピンナとを有し、前記ボス部には、前記モータ軸が挿
入される軸穴と、この軸穴と直角に前記モータ軸の挿入
側端面にI形状切欠きと、外周に斜め状の溝とを設け、
前記スピンナには、前記ボス部の外周と嵌合する穴と、
この穴と直角に前記ボス部挿入側端面にL形状切欠きと
前記穴の内周に小突起を設けた換気扇。The motor has a motor shaft, a blade rotation prevention pin attached to the motor shaft so as to pass through the motor shaft in a perpendicular direction, a blade having a boss portion at the center that is fixed to the motor shaft, and a spinner that fits into the boss portion. The boss portion is provided with a shaft hole into which the motor shaft is inserted, an I-shaped notch on the insertion side end surface of the motor shaft perpendicular to the shaft hole, and an oblique groove on the outer periphery,
The spinner includes a hole that fits with the outer periphery of the boss portion;
The ventilation fan is provided with an L-shaped notch on the end surface on the insertion side of the boss portion at right angles to the hole, and a small protrusion on the inner periphery of the hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14960085A JPS6210532A (en) | 1985-07-08 | 1985-07-08 | Ventilation fan |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14960085A JPS6210532A (en) | 1985-07-08 | 1985-07-08 | Ventilation fan |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6210532A true JPS6210532A (en) | 1987-01-19 |
Family
ID=15478745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14960085A Pending JPS6210532A (en) | 1985-07-08 | 1985-07-08 | Ventilation fan |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6210532A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01216839A (en) * | 1988-02-25 | 1989-08-30 | Idemitsu Petrochem Co Ltd | Multilayer film of polyethylene base |
JP2007282412A (en) * | 2006-04-10 | 2007-10-25 | Nidec Sankyo Corp | Motor and motor machine using the same |
JP2009250114A (en) * | 2008-04-07 | 2009-10-29 | Panasonic Corp | Blade installing device of air blower |
-
1985
- 1985-07-08 JP JP14960085A patent/JPS6210532A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01216839A (en) * | 1988-02-25 | 1989-08-30 | Idemitsu Petrochem Co Ltd | Multilayer film of polyethylene base |
JP2007282412A (en) * | 2006-04-10 | 2007-10-25 | Nidec Sankyo Corp | Motor and motor machine using the same |
JP4716505B2 (en) * | 2006-04-10 | 2011-07-06 | 日本電産サンキョー株式会社 | Motor and electric device using the same |
JP2009250114A (en) * | 2008-04-07 | 2009-10-29 | Panasonic Corp | Blade installing device of air blower |
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