JPS6085298A - Variable node moving blade fixing system for axial fan - Google Patents
Variable node moving blade fixing system for axial fanInfo
- Publication number
- JPS6085298A JPS6085298A JP19383683A JP19383683A JPS6085298A JP S6085298 A JPS6085298 A JP S6085298A JP 19383683 A JP19383683 A JP 19383683A JP 19383683 A JP19383683 A JP 19383683A JP S6085298 A JPS6085298 A JP S6085298A
- Authority
- JP
- Japan
- Prior art keywords
- blade
- gear
- hab
- angle
- cover
- 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
本発明は工場、ビル、倉庫等で産業用、空調用に用いら
れる軸流送風機の可変節動翼固定装置に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a variable-articulation rotor blade fixing device for an axial blower used for industrial use and air conditioning in factories, buildings, warehouses, etc.
従来例の構成とその問題点
従来の軸流送風機の動翼固定装置は第１図、第２図に示
す如くブレード１０１の根元に締め付はボルト１０２が
埋め込まれておシ、ハブ１０３のブレード取付は穴１０
４にブレード１０１を差し込み、角度を設定してワッシ
ャ１０５を介して締め付はナラ）１０６で締め付は固定
するという方法を取っていた。そのため羽根車を組み立
てる際、ブレード一枚ずつ角度を設定しながら締め付け
を行なっており、長時間を要していた。時に、羽根角度
の変更が生じたシすると再び分解して、一枚ずつ最初か
ら設定をやシ直さなければならない構造上の欠点を有し
ていた。Structure of the conventional example and its problems In the conventional rotor blade fixing device of an axial flow blower, as shown in FIGS. Mounting hole 10
The blade 101 is inserted into the blade 4, the angle is set, and the washer 105 is used to tighten the blade 106. Therefore, when assembling the impeller, the angle of each blade must be set and tightened, which takes a long time. Sometimes, when the blade angle is changed, it has to be disassembled again and the settings have to be readjusted one by one from scratch.
発明の目的
本発明はこのような従来の欠点をＮ消するもので、ブレ
ード一枚ごとに角度の調整をすることなく、インペラー
の前面から簡単に羽根角度の設定が可能な構造を提供す
ることを目的とする。Purpose of the Invention The present invention eliminates these conventional drawbacks by providing a structure in which the blade angle can be easily set from the front of the impeller without having to adjust the angle of each blade. With the goal.
発明の構成
本発明はハブ本体のブレード取付用穴を貫通して取付け
られたブレードの根本端部に歯車を設け、一方ハブ本体
の外周側壁内面に回動自在に嵌挿する筒状部を有し、こ
の筒状部の端部には前記ブレードに設けられた歯車に噛
合する歯形を設け、中央部に円形状の開口部を設け、こ
の開口部の外方に開口部と同心円周上の円弧状長孔を有
したノ・ブカバーより構成される軸流送風機の可変節動
翼固定装置でブレードの歯車と７１プカバーの歯形が噛
合することにより、ハブカバーを前面から電動機のシャ
フトと垂直な平面上で回転させることによシ、容易傾一
度にすべてのブレードの羽根角度を最適な位置に設定で
きるものである。Structure of the Invention The present invention provides a gear at the root end of the blade that is attached through the blade attachment hole of the hub body, and has a cylindrical part that is rotatably fitted into the inner surface of the outer peripheral side wall of the hub body. However, the end of this cylindrical part is provided with a tooth profile that meshes with the gear provided on the blade, a circular opening is provided in the center, and a hole on the circumference concentric with the opening is provided outside of this opening. In the variable-articulation rotor blade fixing device of an axial flow blower, which is composed of a knob cover with an arc-shaped long hole, the gear of the blade and the tooth profile of the 71 knob mesh with each other. By rotating the top of the blade, you can easily set the blade angles of all the blades at the same time to the optimal position.
実施例の説明
以下本発明の実施例を第３図〜第５図にもとづいて説明
する。DESCRIPTION OF EMBODIMENTS Examples of the present invention will be described below with reference to FIGS. 3 to 5.
図において、１はほぼ椀状で中央部には電動機のシャフ
ト２が嵌挿する穴３ａを有するボス部３を設け、外周側
壁にはグレード取付用穴４が複数形成された・・ブ本体
、６は・・プ本体１をシャフト２に取付けるワソ／ヤ６
を介して固定する取付ボルト、７は前記・・プ本体１に
設けられたブレード取付用穴４に回動自在に設けられる
ブレード、８は前記ブレード７をハブ本体１に取付ける
歯車で、ワッシャ９を介した取付ポル）１０により、ハ
ブ本体１のブレード取付用穴４を貫通したブレード７の
根本端部に固定されている。１１は外周に前記ハブ本体
１の外周側壁内面に回動自在に嵌挿する筒状部１２を有
し、この筒状部１２の端部には前記ブレード７に設けら
れた歯車８に噛合する歯形１３を設けたハブカバーで、
中央部にはハブ本体１をシャフト２に取付ける取付ボル
ト５が露出する円形状の開口部１４を有し、この円形状
の開口部１４の外方にこの開口部１４と同心円周上に円
弧状長孔１６が複数設けられている。１６はハブカバー
１１をハブ本体１に回動自在に固定する取付ボルトで、
前記ハブカバー１１に設けた円弧状長孔１５を貫通し、
ハブ本体１のボス部３にワラ−シャ１７を介して螺合さ
れている。In the figure, 1 is almost bowl-shaped, with a boss part 3 in the center having a hole 3a into which the motor shaft 2 is inserted, and a plurality of grade mounting holes 4 formed in the outer peripheral side wall. 6 is the way to attach the main body 1 to the shaft 2 6
7 is a blade rotatably provided in the blade attachment hole 4 provided in the hub body 1, 8 is a gear for attaching the blade 7 to the hub body 1, and a washer 9 is attached. The blade 7 is fixed to the base end portion of the blade 7 passing through the blade attachment hole 4 of the hub body 1 by a mounting hole 10 through the blade attachment hole 4 of the hub body 1. 11 has a cylindrical part 12 on the outer periphery that is rotatably fitted into the inner surface of the outer peripheral side wall of the hub body 1, and the end of this cylindrical part 12 meshes with the gear 8 provided on the blade 7. A hub cover with tooth profile 13,
The central part has a circular opening 14 through which the mounting bolt 5 for attaching the hub body 1 to the shaft 2 is exposed, and an arc-shaped opening 14 is provided outside the circular opening 14 on a circumference concentric with the opening 14. A plurality of long holes 16 are provided. 16 is a mounting bolt that rotatably fixes the hub cover 11 to the hub body 1;
Penetrating through the arc-shaped elongated hole 15 provided in the hub cover 11,
It is screwed into the boss portion 3 of the hub body 1 via a washer 17.
上記構成において、ブレード７の角度を調整する時には
、前面側から取付ボルト１６を緩めてハブカバー１１で
回動するとハブカバー１１の外周筒状部１２に設けられ
た歯形１３によりブレード７に固定された歯車８が回動
し、それに伴ない複数のブレード７が所定の角度回転し
た位置で取付ボルト１６を締め付け、ハブカバー１１を
ハブ本体１に固定し、ブレード７をその位置で固定せし
めるものである。In the above configuration, when adjusting the angle of the blade 7, loosen the mounting bolt 16 from the front side and rotate it with the hub cover 11, and the gear fixed to the blade 7 by the tooth profile 13 provided on the outer cylindrical part 12 of the hub cover 11. 8 rotates, and the plurality of blades 7 are rotated by a predetermined angle accordingly, and the mounting bolts 16 are tightened, the hub cover 11 is fixed to the hub body 1, and the blades 7 are fixed at that position.
尚、羽根車全体を取り外す時には、・・プカバー１１の
開口部１４より取付ボルト１６を緩めて行なえば容易に
行なえる。Incidentally, when removing the entire impeller, it can be easily done by loosening the mounting bolt 16 from the opening 14 of the cover 11.
発明の効果
このように本発明によれば、ハブ本体のブレード取付用
穴を貫通して取付けられたブレードの根本端部に歯車を
設け、ハブ本体に回動自在に嵌挿する筒状部を有し、こ
の筒状部の端部には前記ブレードに設けられた歯車に噛
合する歯形を設け、かつ同心円周上の円弧状長孔を有し
たハブカバーより構成され、ブレードの歯車とハブカバ
ーの歯形が噛合することにより、ハブカバーを前面から
電動機のシャフトと垂直な平面で回転させることにより
、容易に一度にすべてのブレードの羽根角度を最適な位
置に設定できる。送風機施工、設置現場においても、性
能上羽根角度の設定変更が必要となった場合にも、羽根
車を電動機のシャフトから取り外すこともなく、前面よ
り・・プカ／く−を操作することにより、容易にすべて
のブレードを一度に最適な羽根角度に設定できるもので
ある０Effects of the Invention As described above, according to the present invention, a gear is provided at the root end of the blade that is attached through the blade attachment hole of the hub body, and a cylindrical part that is rotatably inserted into the hub body is provided. The end of the cylindrical part is provided with a tooth profile that meshes with a gear provided on the blade, and is constituted by a hub cover having an arcuate elongated hole on a concentric circumference, and the gear of the blade and the tooth profile of the hub cover By meshing, the hub cover can be rotated from the front in a plane perpendicular to the motor shaft, making it easy to set the vane angles of all blades to the optimal position at once. At the blower construction and installation site, even if it is necessary to change the blade angle setting for performance reasons, there is no need to remove the impeller from the motor shaft, and by operating the pusher from the front. 0, which allows you to easily set all blades to the optimal blade angle at once.
第１図は従来例のブレードの平面図、第２図は従来例の
軸流送風機の可変節動翼固定装置の側面図、第３図は本
発明の一実施例の軸流送風機の可変節動翼固定装置の羽
根車の側面図、第４図ａは同ブレード正面図、第４図す
は同側面図、第５図ａは同ハブカバーの平面図、第５図
すは同側面図である。
１・・・・ハブ本体、７・・・・・・ブレード、８・・
・・・・歯車、１１・・・・・・ハブカバー、１３・・
・・・・歯形。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名第１
図
第２図
４図
（ユ］（ｂ］Fig. 1 is a plan view of a conventional blade, Fig. 2 is a side view of a variable joint rotor blade fixing device of a conventional axial blower, and Fig. 3 is a variable joint of an axial blower according to an embodiment of the present invention. Figure 4a is a front view of the blade, Figure 4 is a side view of the impeller, Figure 5a is a plan view of the hub cover, and Figure 5a is the side view of the blade. be. 1...Hub body, 7...Blade, 8...
... Gear, 11 ... Hub cover, 13 ...
...Tooth shape. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure 2 Figure 4 (Y) (b)
Claims (1)
するボス部を設け、外周側壁にはブレード取付用穴が複
数形成されたノ・ブ本体と、前記ノ・ブ本体のブレード
取付用穴を貫通して取付けられたブレードの根本端部に
固定される歯車と、前記−・ブ本体に回動自在に固定さ
れ、かつ筒状部の端部には前記ブレードに設けられた歯
車に歯合する歯形を設けたハブカバーよシ構成される軸
流送風機の可変節動翼固定装置。A knob body that is bowl-shaped and has a boss portion in the center that has a hole for fitting the shaft of the electric motor, and a plurality of blade attachment holes formed on the outer peripheral side wall, and a blade attachment for the knob body. A gear fixed to the base end of the blade attached through the hole, and a gear rotatably fixed to the main body and provided on the blade at the end of the cylindrical part. A variable-articulation rotor blade fixing device for an axial blower, consisting of a hub cover with teeth that mesh with the hub cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19383683A JPS6085298A (en) | 1983-10-17 | 1983-10-17 | Variable node moving blade fixing system for axial fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19383683A JPS6085298A (en) | 1983-10-17 | 1983-10-17 | Variable node moving blade fixing system for axial fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6085298A true JPS6085298A (en) | 1985-05-14 |
Family
ID=16314542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19383683A Pending JPS6085298A (en) | 1983-10-17 | 1983-10-17 | Variable node moving blade fixing system for axial fan |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6085298A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007050880A (en) * | 2005-07-22 | 2007-03-01 | Yamaha Motor Co Ltd | Steering wheel switch for speed change shift |
| JP2007050881A (en) * | 2005-07-22 | 2007-03-01 | Yamaha Motor Co Ltd | Steering wheel switch for speed change shift |
| CN104214135A (en) * | 2014-08-28 | 2014-12-17 | 苏州德弗朗空气控制技术有限公司 | Fan |
-
1983
- 1983-10-17 JP JP19383683A patent/JPS6085298A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007050880A (en) * | 2005-07-22 | 2007-03-01 | Yamaha Motor Co Ltd | Steering wheel switch for speed change shift |
| JP2007050881A (en) * | 2005-07-22 | 2007-03-01 | Yamaha Motor Co Ltd | Steering wheel switch for speed change shift |
| CN104214135A (en) * | 2014-08-28 | 2014-12-17 | 苏州德弗朗空气控制技术有限公司 | Fan |
| CN104214135B (en) * | 2014-08-28 | 2016-08-17 | 苏州德弗朗空气控制技术有限公司 | Fan |
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