JPH11280699A - Centrifugal blower - Google Patents

Centrifugal blower

Info

Publication number
JPH11280699A
JPH11280699A JP8573098A JP8573098A JPH11280699A JP H11280699 A JPH11280699 A JP H11280699A JP 8573098 A JP8573098 A JP 8573098A JP 8573098 A JP8573098 A JP 8573098A JP H11280699 A JPH11280699 A JP H11280699A
Authority
JP
Japan
Prior art keywords
scroll casing
side plate
shaft
discharge port
mounting base
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
Application number
JP8573098A
Other languages
Japanese (ja)
Other versions
JP4180143B2 (en
Inventor
Hideo Morikawa
秀雄 森川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Ecology Systems Co Ltd
Original Assignee
Matsushita Seiko Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Seiko Co Ltd filed Critical Matsushita Seiko Co Ltd
Priority to JP08573098A priority Critical patent/JP4180143B2/en
Publication of JPH11280699A publication Critical patent/JPH11280699A/en
Application granted granted Critical
Publication of JP4180143B2 publication Critical patent/JP4180143B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

PROBLEM TO BE SOLVED: To make the direction of discharge port easily variable by fitting and securing an anti-intake side side plate of a scroll casing having a plurality of fixing screw holes concentric with a shaft through hole to an installation base, and fitting and securing a shaft penetrating portion of the anti-intake side side plate to a parallel cylindrical projection corresponding to the installation base freely rotatably. SOLUTION: When installing an anti-intake side side plate 4 of a scroll casing 3 provided with a plurality of fixing screw holes 2 concentric with a shaft penetrating portion 1, a parallel cylindrical projection 7 is formed integrally in a direction of the scroll casing 3 of a penetrating portion 6 of an installation base 5. Further, the shaft penetrating portion 1 of the anti-intake side side plate 4 is fitted to the parallel cylindrical projection portion 7 to secure the scroll casing 3. When changing the direction of discharge port, fixing screws 8 which secure the scroll casing 3 are removed, the scroll casing 3 is rotated on the parallel cylindrical projection 7 of the installation base, and the scroll casing 3 is secured to the installation base 5 by tightening the fixing screws 8 to the fixing screw holes 2.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、工場・ビル等で空
調用・換気用として使用される遠心送風機に関するもの
である。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a centrifugal blower used for air conditioning and ventilation in factories and buildings.

【0002】[0002]

【従来の技術】従来のこの種の遠心送風機について図6
及び図7を参照しながら説明する。
2. Description of the Related Art A conventional centrifugal blower of this type is shown in FIG.
This will be described with reference to FIG.

【0003】図に示すように、スクロールケーシング1
01の反吸込み側側板102は、取付ベース103に軸
104の同心円上の複数の取付けネジ穴105で固定さ
れており、前記反吸込み側側板102の軸貫通部106
及び取付ベース103の軸貫通部107は、軸104に
接触しない程度の丸穴が設けられており、軸104先端
部に羽根車108を嵌挿した構成となっている。
[0003] As shown in FIG.
01 is fixed to the mounting base 103 by a plurality of mounting screw holes 105 on the concentric circle of the shaft 104, and the shaft penetration portion 106 of the anti-suction side plate 102
The shaft penetrating portion 107 of the mounting base 103 is provided with a round hole that does not contact the shaft 104, and has a configuration in which an impeller 108 is inserted into the tip of the shaft 104.

【0004】上記構成において、軸104に接続した羽
根車108が回転することにより、換気・送風が行われ
ることになる。
[0004] In the above configuration, the impeller 108 connected to the shaft 104 rotates to perform ventilation and ventilation.

【0005】[0005]

【発明が解決しようとする課題】このような従来の遠心
送風機では、スクロールケーシング101の吐出口方向
がある一方向に決まっており、吐出口方向を変更する必
要が生じた場合、送風機本体を横向きに置き、スクロー
ルケーシング101と取付ベース103を分解し、吐出
口方向を変更して再度組立てるという複雑で時間を要す
る作業が必要であった。また、現地に送風機本体が設置
された後に吐出口方向を変更する必要が生じると、送風
機本体の設置をやり変えなければならないという課題が
あり、容易に吐出口方向を変更できることが要求されて
いる。
In such a conventional centrifugal blower, the direction of the discharge port of the scroll casing 101 is determined in one direction, and when it is necessary to change the direction of the discharge port, the blower body is turned sideways. , And disassembling the scroll casing 101 and the mounting base 103, changing the direction of the discharge port, and assembling the scroll casing again, required a complicated and time-consuming operation. Further, if it is necessary to change the discharge port direction after the blower main body is installed at the site, there is a problem that the installation of the blower main body must be changed, and it is required that the discharge port direction can be easily changed. .

【0006】本発明は、このような従来の課題を解決す
るものであり、送風機本体を設置した後に吐出口方向を
変更する場合、設置のやり変えを行うことなく、容易に
吐出口方向を変更することのできる遠心送風機を提供す
ることを目的としている。
The present invention solves such a conventional problem. When the direction of the discharge port is changed after the installation of the blower body, the direction of the discharge port can be easily changed without changing the installation. It is an object of the present invention to provide a centrifugal blower that can be used.

【0007】[0007]

【課題を解決するための手段】本発明の遠心送風機は上
記目的を達成するために、軸貫通穴の同心円上に複数の
取付けネジ穴を有したスクロールケーシングの反吸込み
側側板を、軸貫通部のケーシング方向に平行筒状突出部
を設けた取付ベースに、前記反吸込み側側板の軸貫通部
を前記平行筒状突出部に回転自在にはめ込み、スクロー
ルケーシングを固定したものである。
In order to achieve the above object, a centrifugal blower according to the present invention comprises: a scroll casing having a plurality of mounting screw holes on a concentric circle of a shaft through hole; A shaft casing of the anti-suction side plate is rotatably fitted into the parallel cylindrical projection on a mounting base provided with a parallel cylindrical projection in the casing direction, and the scroll casing is fixed.

【0008】本発明によれば、スクロールケーシングを
固定しているネジを取外すことにより軸貫通部に設けた
取付ベースの平行筒状突出部上でスクロールケーシング
を回転することが出来、多段階に吐出口方向を変更する
ことのできる遠心送風機が得られる。
According to the present invention, by removing the screw fixing the scroll casing, the scroll casing can be rotated on the parallel cylindrical protrusion of the mounting base provided in the shaft penetrating portion, and the discharge can be performed in multiple stages. A centrifugal blower whose outlet direction can be changed is obtained.

【0009】また、他の手段は、取付ベースの軸貫通部
は丸穴とし、スクロールケーシングの反吸込み側側板の
軸貫通部には軸に嵌合する軸受を設けたものである。
Another means is that a shaft penetrating portion of the mounting base is a round hole, and a bearing that fits on the shaft is provided in a shaft penetrating portion of the anti-suction side plate of the scroll casing.

【0010】そして本発明によれば、スクロールケーシ
ングを固定しているネジを取外すことにより軸貫通部に
設けた軸受によりスクロールケーシングを回転すること
が出来、多段階に吐出口方向を変更することのできる遠
心送風機が得られる。
According to the present invention, by removing the screw fixing the scroll casing, the scroll casing can be rotated by the bearing provided in the shaft penetrating portion, and the discharge port direction can be changed in multiple stages. A possible centrifugal blower is obtained.

【0011】また、他の手段は、スクロールケーシング
の反吸込み側側板には軸貫通部の同心円上に異なるピッ
チの複数の取付けネジ穴を有し、取付ベースは前記取付
けネジ穴に対応したピッチの異なる互いに対向した円弧
状長穴を用いてスクロールケーシングを固定したもので
ある。
Another means is that a plurality of mounting screw holes of different pitches are provided on the anti-suction side plate of the scroll casing on a concentric circle of the shaft penetrating portion, and the mounting base has a pitch corresponding to the mounting screw holes. The scroll casing is fixed using different arcuate slots facing each other.

【0012】そして本発明によれば、スクロールケーシ
ングを固定しているネジを緩めるだけでスクロールケー
シングを回転することが出来、無段階に吐出口方向を変
更することのできる遠心送風機が得られる。
According to the present invention, a centrifugal blower that can rotate the scroll casing simply by loosening the screw fixing the scroll casing and can change the direction of the discharge port steplessly is obtained.

【0013】また、他の手段は、スクロールケーシング
の反吸込み側側板に取手を設けたものである。
Another means is that a handle is provided on the anti-suction side plate of the scroll casing.

【0014】そして本発明によれば、吐出口方向を変更
するためにスクロールケーシングを回転する際、容易
に、かつ軽微に作業することのできる遠心送風機が得ら
れる。
According to the present invention, there is provided a centrifugal blower which can be easily and slightly operated when the scroll casing is rotated to change the direction of the discharge port.

【0015】[0015]

【発明の実施の形態】本発明は、軸貫通部の同心円上に
設けられた複数の取付けネジ穴でスクロールケーシング
の反吸込み側側板を取付ベースに取付け、前記取付ベー
ス軸の貫通部のスクロールケーシング方向に平行筒状突
出部を設け、前記反吸込み側側板の軸貫通部を前記平行
突出部に回転自在にはめ込んだものであり、取付けネジ
を取外すことにより前記スクロールケーシングが回転自
在となり吐出口方向を多段階に変更することができる。
DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention is directed to a scroll casing having a through-hole of the mounting base shaft, wherein the anti-suction side plate of the scroll casing is mounted to a mounting base by a plurality of mounting screw holes provided on concentric circles of the shaft through-hole. A parallel cylindrical projection is provided in the direction, and the shaft penetration of the anti-suction side plate is rotatably fitted in the parallel projection. By removing the mounting screw, the scroll casing becomes rotatable and the discharge port direction Can be changed in multiple stages.

【0016】また、取付ベースの軸貫通部は丸穴とし、
スクロールケーシングの反吸込み側側板の軸貫通部には
軸に嵌合する軸受を設けたものであり、取付けネジを取
外すことにより前記スクロールケーシングが回転自在と
なり吐出口方向を多段階に変更することができる。
[0016] The shaft penetrating portion of the mounting base is a round hole,
The scroll casing is provided with a bearing fitted on the shaft at the shaft penetration portion of the anti-suction side plate, and by removing the mounting screw, the scroll casing becomes rotatable and the discharge port direction can be changed in multiple stages. it can.

【0017】また、軸貫通部の同心円上に異なるピッチ
にて設けられた複数の取付けネジ穴でスクロールケーシ
ングの反吸込み側側板を取付ベースに取付け、前記取付
ベースは前記取付けネジ穴に対応したピッチの異なる互
いに対向した円弧状長穴を用いたものであり、取付けネ
ジを緩めるだけで前記スクロールケーシングの吐出口方
向を無段階に変更することができる。
Further, the anti-suction side plate of the scroll casing is mounted on the mounting base with a plurality of mounting screw holes provided at different pitches on the concentric circle of the shaft penetration portion, and the mounting base has a pitch corresponding to the mounting screw hole. Are used, and the discharge port direction of the scroll casing can be changed steplessly only by loosening the mounting screw.

【0018】また、スクロールケーシングの反吸込み側
側板に取手を設けたものであり、前記ケーシングの吐出
口方向を容易に、かつ軽微に変更することができる。
Further, a handle is provided on the anti-suction side plate of the scroll casing, and the direction of the discharge port of the casing can be easily and slightly changed.

【0019】以下、本発明の実施例について図1〜図5
を参照しながら説明する。
Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
This will be described with reference to FIG.

【0020】[0020]

【実施例】(実施例1)図1及び図2に示すように、軸
貫通部1の同心円上に設けられた複数の取付けネジ穴2
でスクロールケーシング3の反吸込み側側板4を取付ベ
ース5に取付け、前記取付ベース5の軸貫通部6のスク
ロールケーシング3の方向に平行筒状突出部7を設け、
前記反吸込み側側板4の軸貫通部1を前記平行筒状突出
部7にはめ込んだものである。
(Embodiment 1) As shown in FIGS. 1 and 2, a plurality of mounting screw holes 2 provided on concentric circles of a shaft penetrating portion 1.
Then, the anti-suction side plate 4 of the scroll casing 3 is attached to the mounting base 5, and a parallel cylindrical projection 7 is provided in the direction of the scroll casing 3 of the shaft penetration portion 6 of the mounting base 5,
The shaft penetration portion 1 of the anti-suction side plate 4 is fitted into the parallel cylindrical protrusion 7.

【0021】上記構成において、スクロールケーシング
3を固定している取付けネジ8を取外すことにより軸貫
通部6に設けた取付ベース5の平行筒状突出部7上でス
クロールケーシング3を回転することが出来、スクロー
ルケーシング3を取付ベース5に取付けネジ穴2で固定
することにより、多段階に吐出口方向を変更することが
できる。
In the above configuration, the scroll casing 3 can be rotated on the parallel cylindrical projection 7 of the mounting base 5 provided on the shaft penetrating portion 6 by removing the mounting screw 8 fixing the scroll casing 3. By fixing the scroll casing 3 to the mounting base 5 with the mounting screw holes 2, the discharge port direction can be changed in multiple stages.

【0022】(実施例2)図3に示すように、取付ベー
ス5の軸貫通部6は丸穴とし、スクロールケーシング3
の反吸込み側側板4の軸貫通部1は軸9に嵌合する軸受
10を設けたものである。
(Embodiment 2) As shown in FIG. 3, the shaft penetrating portion 6 of the mounting base 5 is a round hole, and the scroll casing 3
The shaft penetrating portion 1 of the anti-suction side plate 4 is provided with a bearing 10 fitted to the shaft 9.

【0023】上記構成において、スクロールケーシング
3を固定している取付けネジ8を取外すことにより軸貫
通部1に設けた軸受10によりスクロールケーシング3
を回転することが出来、スクロールケーシング3を取付
ベース5に取付けネジ穴2で固定することにより、多段
階に吐出口方向を変更することができる。
In the above construction, by removing the mounting screw 8 fixing the scroll casing 3, the bearing 10 provided in the shaft penetrating portion 1 allows the scroll casing 3
Can be rotated, and the discharge port direction can be changed in multiple steps by fixing the scroll casing 3 to the mounting base 5 with the mounting screw holes 2.

【0024】(実施例3)図4に示すように、軸貫通部
1の同心円上に異なるピッチにて設けられた複数の取付
けネジ穴2でスクロールケーシング3の反吸込み側側板
4を取付ベース5に取付け、前記取付ベース5は前記取
付けネジ穴2に対応したピッチの異なる互いに対向した
円弧状長穴11a、11bを用いたものである。
(Embodiment 3) As shown in FIG. 4, the anti-suction side plate 4 of the scroll casing 3 is attached to the mounting base 5 by a plurality of mounting screw holes 2 provided at different pitches on the concentric circle of the shaft penetrating portion 1. The mounting base 5 uses arc-shaped elongated holes 11a and 11b opposed to each other and having different pitches corresponding to the mounting screw holes 2.

【0025】上記構成において、スクロールケーシング
3を固定している取付けネジ8は取外す必要がなく、緩
めるだけでスクロールケーシング3を回転することが出
来、前記スクロールケーシング3を再度取付けネジ穴2
で取付ベース5に固定することにより、無段階に吐出口
方向を変更することができる。
In the above configuration, the mounting screw 8 for fixing the scroll casing 3 does not need to be removed, and the scroll casing 3 can be rotated only by loosening it.
By fixing to the mounting base 5 by the above, the discharge port direction can be changed steplessly.

【0026】(実施例4)図5に示すように、スクロー
ルケーシング3の反吸込み側側板4にコの字形状の取手
12を設けたものである。
(Embodiment 4) As shown in FIG. 5, a U-shaped handle 12 is provided on the anti-suction side plate 4 of the scroll casing 3.

【0027】上記構成において、スクロールケーシング
3を回転する際、取手12を持って作業することによ
り、吐出口方向を容易に、かつ軽微に変更することがで
きる。
In the above configuration, when the scroll casing 3 is rotated, the direction of the discharge port can be easily and slightly changed by working with the handle 12.

【0028】なお、実施例では、取手をスクロールケー
シングの反吸込み側側板に設けたが、取手をスクロール
ケーシングの吸込み側側板あるいはスクロールに設けて
もよく、その作用効果に差異を生じない。
In the embodiment, the handle is provided on the anti-suction-side side plate of the scroll casing. However, the handle may be provided on the suction-side side plate of the scroll casing or the scroll.

【0029】[0029]

【発明の効果】以上の実施例から明らかなように、本発
明によれば、スクロールケーシングの吐出口方向を変更
する場合、送風機本体の設置のやり変えを行うことな
く、容易に、かつ軽微に吐出口方向を変更できる効果の
ある遠心送風機を提供できる。
As is apparent from the above embodiments, according to the present invention, when the discharge port direction of the scroll casing is changed, the installation of the blower main body is easily and lightly performed without changing the installation. It is possible to provide a centrifugal blower having an effect of changing a discharge port direction.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の実施例1の遠心送風機を示す断面図FIG. 1 is a sectional view showing a centrifugal blower according to a first embodiment of the present invention.

【図2】同側面図FIG. 2 is a side view of the same.

【図3】本発明の実施例2の遠心送風機の断面図FIG. 3 is a sectional view of a centrifugal blower according to a second embodiment of the present invention.

【図4】本発明の実施例3の遠心送風機の側面図FIG. 4 is a side view of a centrifugal blower according to a third embodiment of the present invention.

【図5】本発明の実施例4の遠心送風機の側面図FIG. 5 is a side view of a centrifugal blower according to a fourth embodiment of the present invention.

【図6】従来の遠心送風機を示す断面図FIG. 6 is a sectional view showing a conventional centrifugal blower.

【図7】同側面図FIG. 7 is a side view of the same.

【符号の説明】[Explanation of symbols]

1 軸貫通部 2 取付けネジ穴 3 スクロールケーシング 4 反吸込み側側板 5 取付ベース 6 軸貫通部 7 平行筒状突出部 8 取付けネジ 9 軸 10 軸受 11a 円弧状長穴 11b 円弧状長穴 12 取手 101 スクロールケーシング 102 反吸込み側側板 103 取付ベース 104 軸 105 取付けネジ穴 106 軸貫通部 107 軸貫通部 108 羽根車 DESCRIPTION OF SYMBOLS 1 Shaft penetration part 2 Mounting screw hole 3 Scroll casing 4 Anti-suction side plate 5 Mounting base 6 Shaft penetration part 7 Parallel cylindrical protruding part 8 Mounting screw 9 Shaft 10 Bearing 11a Arc-shaped long hole 11b Arc-shaped long hole 12 Handle 101 Scroll Casing 102 Non-suction side plate 103 Mounting base 104 Shaft 105 Mounting screw hole 106 Shaft penetrating part 107 Shaft penetrating part 108 Impeller

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 軸貫通部の同心円上に設けられた複数の
取付けネジ穴でスクロールケーシングの反吸込み側側板
を取付ベースに取付け、前記取付ベースの軸貫通部のス
クロールケーシング方向に平行筒状突出部を設け、前記
反吸込み側側板の軸貫通部を前記平行突出部にはめ込む
ことにより、前記スクロールケーシングが回転自在とな
り吐出口方向を多段階に変更することができる遠心送風
機。
An anti-suction side plate of a scroll casing is mounted to a mounting base with a plurality of mounting screw holes provided on concentric circles of a shaft penetrating portion, and a cylindrical projection parallel to the scroll casing of the shaft penetrating portion of the mounting base. A centrifugal blower, wherein a scroll casing is rotatable and a discharge port direction can be changed in multiple stages by providing a portion and fitting a shaft penetration portion of the anti-suction side plate into the parallel projection.
【請求項2】 取付ベースの軸貫通部は丸穴とし、スク
ロールケーシングの反吸込み側側板の軸貫通部は軸に嵌
合する軸受を設けることにより、前記スクロールケーシ
ングが回転自在となり吐出口方向を多段階に変更するこ
とができる請求項1記載の遠心送風機。
2. A shaft penetrating portion of the mounting base is formed as a round hole, and a shaft penetrating portion of the anti-suction side plate of the scroll casing is provided with a bearing fitted to the shaft, so that the scroll casing becomes rotatable and the discharge port direction can be changed. The centrifugal blower according to claim 1, which can be changed in multiple stages.
【請求項3】 軸貫通部の同心円上に異なるピッチにて
設けられた複数の取付けネジ穴でスクロールケーシング
の反吸込み側側板を取付ベースに取付け、前記取付ベー
スは前記取付けネジ穴に対応したピッチの異なる互いに
対向した円弧状長穴を用いることにより、前記スクロー
ルケーシングの吐出口方向を無段階に変更することがで
きる請求項1または請求項2記載の遠心送風機。
3. The anti-suction side plate of the scroll casing is mounted on the mounting base with a plurality of mounting screw holes provided at different pitches on a concentric circle of the shaft penetration portion, and the mounting base has a pitch corresponding to the mounting screw hole. 3. The centrifugal blower according to claim 1, wherein the direction of the discharge port of the scroll casing can be changed in a stepless manner by using arcuate slots facing each other. 4.
【請求項4】 スクロールケーシングの反吸込み側側板
に取手を設けることにより、前記スクロールケーシング
の吐出口方向を容易に変更することができる請求項1,
2または3記載の遠心送風機。
4. The discharge port direction of the scroll casing can be easily changed by providing a handle on the anti-suction side plate of the scroll casing.
4. The centrifugal blower according to 2 or 3.
JP08573098A 1998-03-31 1998-03-31 Centrifugal blower Expired - Fee Related JP4180143B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP08573098A JP4180143B2 (en) 1998-03-31 1998-03-31 Centrifugal blower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP08573098A JP4180143B2 (en) 1998-03-31 1998-03-31 Centrifugal blower

Publications (2)

Publication Number Publication Date
JPH11280699A true JPH11280699A (en) 1999-10-15
JP4180143B2 JP4180143B2 (en) 2008-11-12

Family

ID=13866970

Family Applications (1)

Application Number Title Priority Date Filing Date
JP08573098A Expired - Fee Related JP4180143B2 (en) 1998-03-31 1998-03-31 Centrifugal blower

Country Status (1)

Country Link
JP (1) JP4180143B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014070775A (en) * 2012-09-28 2014-04-21 Fujitsu General Ltd Air conditioner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014070775A (en) * 2012-09-28 2014-04-21 Fujitsu General Ltd Air conditioner

Also Published As

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JP4180143B2 (en) 2008-11-12

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