JPH09252831A - Hair drier - Google Patents
Hair drierInfo
- Publication number
- JPH09252831A JPH09252831A JP7072396A JP7072396A JPH09252831A JP H09252831 A JPH09252831 A JP H09252831A JP 7072396 A JP7072396 A JP 7072396A JP 7072396 A JP7072396 A JP 7072396A JP H09252831 A JPH09252831 A JP H09252831A
- Authority
- JP
- Japan
- Prior art keywords
- casing
- diameter
- motor
- fan
- changes
- 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.)
- Withdrawn
Links
Landscapes
- Cleaning And Drying Hair (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、毛髪乾燥用のヘア
ードライヤーに関し、ヘアードライヤーにおける送風部
回りの低騒音化に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hair dryer for drying hair and, more particularly, to a reduction in noise around the blower section of the hair dryer.
【０００２】[0002]
【従来の技術】従来のこの種のヘアードライヤーとして
は例えば特開平２−２５２４０４号公報等に開示される
ものがある。これは図３に示すように下流側の一端に吐
風口１を、上流側の他端に吸い込み口２を有すると共に
上流側を大径とした円筒状のケーシング３内に、ファン
４と、ファン４を駆動するモータ５と、モータ５の保持
と風の整流を目的とした整流翼６と、ヒータ７とを配置
してある。またファン４はケーシング３内の大径部３ａ
に収納し、ヒータ７及びモータ５は小径部３ｂ側に収納
している。この構造のヘアードライヤーにおいては、フ
ァン４の回転によりケーシング３内に吸い込み口２から
外部の空気を吸い込み、必要に応じてヒータ７にて加熱
して吐風口１から吐出させる風を発生させるようになっ
ている。2. Description of the Related Art A conventional hair dryer of this type is disclosed, for example, in JP-A-2-252404. As shown in FIG. 3, this has a fan 4 and a fan 4 inside a cylindrical casing 3 having a blower outlet 1 at one end on the downstream side and a suction port 2 at the other end on the upstream side and having a large diameter on the upstream side. A motor 5 for driving the motor 4, a rectifying blade 6 for holding the motor 5 and rectifying the wind, and a heater 7 are arranged. Further, the fan 4 has a large diameter portion 3a in the casing 3.
The heater 7 and the motor 5 are housed on the small diameter portion 3b side. In the hair dryer having this structure, the outside air is sucked into the casing 3 from the suction port 2 by the rotation of the fan 4, and is heated by the heater 7 as necessary to generate the wind to be discharged from the discharge port 1. Has become.
【０００３】[0003]
【発明が解決しようとする課題】ところが、上記従来例
にあっては、ケーシング３の大径部３ａと小径部３ｂと
の間は徐々に径が小さくなる径が変化する部分３ｃとな
っており、整流翼６のモータ保持部６ａの外面は軸方向
と平行になっており、図４に示すようにケーシング３の
径が変化する部分３ｃの内面とモータ保持部６ａの外面
との間の流路は急激に流路が狭められる形状となってい
る（図４の矢印のように空気が流れる）。このために急
激な圧力変化がこのケーシング３の径が変化する部分３
ｃで生じ、騒音の原因となっている。However, in the above-mentioned conventional example, between the large diameter portion 3a and the small diameter portion 3b of the casing 3, there is a portion 3c in which the diameter gradually decreases and the diameter changes. The outer surface of the motor holding portion 6a of the rectifying blade 6 is parallel to the axial direction, and as shown in FIG. 4, the flow between the inner surface of the portion 3c where the diameter of the casing 3 changes and the outer surface of the motor holding portion 6a. The passage has a shape in which the passage is sharply narrowed (air flows as indicated by an arrow in FIG. 4). Therefore, a sudden pressure change causes the diameter of the casing 3 to change.
It is caused by c and causes noise.
【０００４】本発明は叙述の点に鑑みてなされたもので
あって、ケーシング内の空気の流れに急激な圧力変化が
生じて騒音を発生するのを防止することを課題とする。The present invention has been made in view of the above points, and an object thereof is to prevent noise from being generated due to a sudden pressure change in the air flow in the casing.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するため
本発明のヘアードライヤーは、下流側の一端に吐風口１
を、上流側の他端に吸い込み口２を有すると共に上流側
を大径とした筒状のケーシング３内に、ファン４と、フ
ァン４を駆動するモータ５と、モータ５の保持と風の整
流を目的とした整流翼６と、ヒータ７とを、モータ５や
整流翼６やヒータ７がファン４より吐風口１側である下
流側に位置するように配設し、ファン４をケーシング３
の大径部３ａ内に、ヒータ７をケーシング３の小径部３
ｂ内に収納すると共にケーシング３の大径部３ａと小径
部３ｂとの間の径が変化する部分３ｃの内部にモータ５
を配設したものにおいて、ケーシング３の軸方向と平行
な方向の断面形状で、上記ケーシング３の径が変化する
部分３ｃの内面の断面形状と、モータ５を保持するモー
タ保持部６ａの外面の断面形状を略同形状にすると共に
ケーシング３の径が変化する部分３ｃの内面とモータ保
持部６ａの外面の間隔を一定にして成ることを特徴とす
る。ファン４を駆動することで、吸い込み口２から吸い
込まれた空気はケーシング３の大径部３ａ内、径が変化
する変化する部分３ｃの内部、小径部３ｂ内を経て吐風
口１から突出するように流れるが、ケーシング３の径が
変化する部分３ｃでも径が変化する部分３ｃの内面とモ
ータ保持部６ａの外面の断面形状が略同じであると共に
この間の間隔が略一定であるため、空気の流れの急激な
圧力変化を回避でき、騒音の発生を防止できる。In order to solve the above-mentioned problems, the hair dryer of the present invention has a blower outlet 1 at one end on the downstream side.
A fan 4, a motor 5 for driving the fan 4, a motor 5 for driving the fan 4 and a rectification of wind in a cylindrical casing 3 having a suction port 2 at the other end on the upstream side and having a large diameter on the upstream side. And the heater 7 are arranged so that the motor 5, the rectifying blade 6, and the heater 7 are located downstream of the fan 4 on the side of the air outlet 1, and the fan 4 is installed in the casing 3
The heater 7 in the large diameter portion 3a of the casing 3
The motor 5 is housed in the inside of a portion 3c where the diameter between the large diameter portion 3a and the small diameter portion 3b of the casing 3 changes.
Of the inner surface of the inner surface of the portion 3c where the diameter of the casing 3 changes and the outer surface of the motor holding portion 6a that holds the motor 5. The cross-sectional shape is substantially the same, and the inner surface of the portion 3c where the diameter of the casing 3 is changed and the outer surface of the motor holding portion 6a are made constant. By driving the fan 4, the air sucked from the suction port 2 is projected from the air outlet 1 through the large diameter portion 3a of the casing 3, the changing portion 3c of which the diameter changes, and the small diameter portion 3b. However, even in the portion 3c in which the diameter of the casing 3 changes, the inner surface of the portion 3c in which the diameter changes and the outer surface of the motor holding portion 6a have substantially the same cross-sectional shape, and the interval between them is substantially constant. It is possible to avoid sudden pressure changes in the flow and prevent noise generation.
【０００６】また羽根４ａと羽根４ａを固定し且つ駆動
力を伝える軸を固定するボス部４ｂとでファン４を形成
し、軸方向と平行な断面形状でボス部４ｂの外面を上流
側に行く程外径が小さくなるテーパー状にして成ること
を特徴とすることも好ましい。この場合、ファン４のボ
ス部４ｂの外周の空気の流れがスムーズになり、風の流
れの乱れによる騒音を低減できる。Further, the fan 4 is formed by the blade 4a and the boss portion 4b for fixing the blade 4a and the shaft for transmitting the driving force. It is also preferable that the outer diameter is tapered so that the outer diameter becomes smaller. In this case, the air flow around the outer periphery of the boss portion 4b of the fan 4 becomes smooth, and the noise due to the disturbance of the wind flow can be reduced.
【０００７】またファン４の下流側にモータ５を設置
し、モータ保持部６ａの外面をファン４のボス部４ｂの
テーパー状の外面の延長線上に位置させたことを特徴と
することも好ましい。この場合、ファン４のボス部４ｂ
の外周からケーシング３の径が変化する部分３ｃの内面
とモータ保持部６ｂの外面との間に流れる風の流れを一
層スムーズにでき、風の流れの乱れによる騒音を低減で
きる。It is also preferable that the motor 5 is installed on the downstream side of the fan 4 and the outer surface of the motor holding portion 6a is located on an extension line of the tapered outer surface of the boss portion 4b of the fan 4. In this case, the boss portion 4b of the fan 4
The flow of the wind flowing from the outer circumference to the inner surface of the portion 3c where the diameter of the casing 3 changes and the outer surface of the motor holding portion 6b can be further smoothed, and noise due to turbulence of the wind flow can be reduced.
【０００８】またケーシング３の径が変化する部分３ｃ
の大径部３ａ側の手前の部分でモータ保持部６ａの外面
にケーシング３の内面と平行なストレート部８を設け、
ストレート部８とケーシング３内面との間の間隔と、ケ
ーシング３の径が変化する部分３ｃの内面とモータ保持
部６ａの外面の間隔とを略等しくして成ること特徴とす
る。この場合、ストレート部８によって、ケーシング３
の径が変化する部分３ｃの上流側の手前の流路が急激に
縮小するのを回避でき、一層空気の流れの急激な圧力変
化を回避できて騒音の発生を防止できる。The portion 3c where the diameter of the casing 3 changes
The straight portion 8 parallel to the inner surface of the casing 3 is provided on the outer surface of the motor holding portion 6a at the front side of the large diameter portion 3a side of
The distance between the straight portion 8 and the inner surface of the casing 3 and the distance between the inner surface of the portion 3c where the diameter of the casing 3 changes and the outer surface of the motor holding portion 6a are substantially equal. In this case, the straight portion 8 allows the casing 3
It is possible to prevent the flow path in front of the upstream side of the portion 3c where the diameter changes, from abruptly reducing, and it is possible to avoid further abrupt pressure change of the air flow and prevent noise.
【０００９】[0009]
【発明の実施の形態】ヘアードライヤーは、図１に示す
ように円筒状のケーシング３内にファン４、モータ５、
整流翼６、ヒータ７等を内装して形成されている。本例
の場合、ケーシング３の吐風口１側にブラシアタッチメ
ント９を着脱自在に取り付けられるようになっている。
上記円筒状のケーシング３は風の流れの上流側が吸い込
み口２となっており、風の流れの下流側が吐風口１とな
っている。またケーシング３の吸い込み口２側は径の大
きな大径部３ａとなっており、ケーシング３の吐風口１
側は径の小さい小径部３ｂとなっており、ケーシング３
の大径部３ａと小径部３ｂとの間は大径部３ａから小径
部３ｂに向けて徐々に径が小さくなる径が変化する部分
３ｃとしてある。BEST MODE FOR CARRYING OUT THE INVENTION As shown in FIG. 1, a hair dryer includes a fan 4, a motor 5, and a fan 5 in a cylindrical casing 3.
The rectifying blade 6, the heater 7, etc. are formed inside. In the case of this example, the brush attachment 9 can be detachably attached to the air outlet 1 side of the casing 3.
The cylindrical casing 3 has an inlet 2 on the upstream side of the wind flow and an outlet 1 on the downstream side of the wind flow. A large-diameter portion 3a having a large diameter is provided on the suction port 2 side of the casing 3, and the air outlet 1 of the casing 3 is provided.
The side is a small diameter portion 3b having a small diameter, and the casing 3
Between the large diameter portion 3a and the small diameter portion 3b is a portion 3c in which the diameter gradually decreases from the large diameter portion 3a to the small diameter portion 3b.
【００１０】ケーシング３の大径部３ａ内にはファン４
を配置してあり、ケーシング３の小径部３ｂ内にはヒー
タ７を配置してあり、ケーシング３の径が変化する部分
３ｃにはモータ５や整流翼６を配置してある。ファン４
はボス部４ｂの外面から外方に複数の羽根４ａを突設し
て形成されている。整流翼６は略筒状のモータ保持部６
ａの外面から外方に複数の翼部６ｂを一体に突設して形
成されており、整流翼６をケーシング３の径が変化する
部分３ｃの近傍の内部にはめ込んで固定してある。整流
翼６のモータ保持部６ａ内にはモータ５をはめ込んで取
り付けてあり、モータ５の出力軸５ａをファン４のボス
部４ｂのセンターに結合してある。A fan 4 is installed in the large diameter portion 3a of the casing 3.
Is arranged, the heater 7 is arranged in the small diameter portion 3b of the casing 3, and the motor 5 and the rectifying blades 6 are arranged in the portion 3c where the diameter of the casing 3 changes. Fan 4
Is formed by protruding a plurality of blades 4a outward from the outer surface of the boss portion 4b. The straightening vanes 6 are substantially cylindrical motor holding portions 6
A plurality of blade portions 6b are integrally formed so as to project outward from the outer surface of a, and the flow straightening blades 6 are fitted and fixed inside the casing 3 in the vicinity of the portion 3c where the diameter changes. The motor 5 is fitted and mounted in the motor holding portion 6a of the flow straightening blade 6, and the output shaft 5a of the motor 5 is connected to the center of the boss portion 4b of the fan 4.
【００１１】ケーシング３の径が変化する部分３ｃの内
面と、これに対向するモータ保持部６の外面は、ケーシ
ング３の軸方向と平行な方向の断面形状で略同じ断面形
状にしてある。つまり、ケーシング３の径が変化する部
分３ｃの内面と、これに対向するモータ保持部６ａの外
面とを略平行にしてある。これによりケーシング３の径
が変化する部分３ｃの内面とモータ保持部６ａの外面の
間隔を軸方向に略同じ間隔にしてある。またファン４の
ボス部４の外面は上流側程径が小さくなるテーパー状に
してあり、テーパ状のボス部４の外面の延長線上にモー
タ保持部６ａの外面を位置させてある。またケーシング
３の径が変化する部分３ｃの上流側の手前に対向するモ
ータ保持部６ａの外面は軸方向と平行なストレート部８
となっている。つまり、ケーシング３の大径部３ａの下
流側の端部の内面と対向するモータ保持部６ａの外面を
ストレート部８としてある。そしてこのストレート部８
とケーシング３の内面との間の間隔と、ケーシング３の
径が変化する部分３ｃの内面とモータ保持部６ａの外面
との間の間隔とを略等しくしてある。The inner surface of the portion 3c where the diameter of the casing 3 changes and the outer surface of the motor holding portion 6 facing the portion 3c have substantially the same sectional shape in the direction parallel to the axial direction of the casing 3. That is, the inner surface of the portion 3c where the diameter of the casing 3 changes and the outer surface of the motor holding portion 6a facing the inner surface are substantially parallel to each other. As a result, the inner surface of the portion 3c where the diameter of the casing 3 changes and the outer surface of the motor holding portion 6a are set to have substantially the same distance in the axial direction. The outer surface of the boss portion 4 of the fan 4 is tapered so that the diameter becomes smaller toward the upstream side, and the outer surface of the motor holding portion 6a is located on an extension line of the outer surface of the tapered boss portion 4. The outer surface of the motor holding portion 6a facing the upstream side of the portion 3c where the diameter of the casing 3 changes and the straight portion 8 parallel to the axial direction.
It has become. In other words, the outer surface of the motor holding portion 6a facing the inner surface of the downstream end of the large diameter portion 3a of the casing 3 is the straight portion 8. And this straight part 8
And the inner surface of the casing 3 are substantially equal to the inner surface of the portion 3c where the diameter of the casing 3 changes and the outer surface of the motor holding portion 6a.
【００１２】上記のように構成されたヘアードライヤー
は、ファン４をモータ５で回転駆動することにより、吸
い込み口２から空気が吸い込まれ、空気がケーシング３
の大径部３ａ内、整流翼６、ケーシング３の小径部３ｂ
内を通り、必要に応じてヒータ７にて加熱され、吐風口
１から吐出される。ケーシング３の大径部３ａ内から整
流翼６を経て小径部３ｂ内に流れるとき、整流翼６でケ
ーシング３の径が変化する部分３ｃの内面とモータ保持
部６ａの外面との間の流路を流れるが、径が変化する部
分３ｃの内面とモータ保持部６ａの外面の断面形状が略
同じであると共にこの間の間隔が略一定であるため、空
気の流れの急激な圧力変化を回避でき、騒音の発生を防
止できる。またボス部４ｂの外面を上流側に行く程外径
が小さくなるテーパー状にしてあるため、ボス部４ｂの
外周を図２の矢印のように空気が流れてモータ保持部６
ａの外周に行き、ファン４のボス部４ｂの外周の空気の
流れがスムーズになり、風の流れの乱れによる騒音を低
減できる。またモータ保持部６ａの外面をファン４のボ
ス部４ｂのテーパー状の外面の延長線上に位置させたの
で、ファン４のボス部４ｂの外周からケーシング３の径
が変化する部分３ｃの内面とモータ保持部６ａの外面と
の間に流れる風の流れを一層スムーズにでき、風の流れ
の乱れによる騒音を低減できる。さらにケーシング３の
径が変化する部分３ｃの大径部３ａ側の手前の部分でモ
ータ保持部６ａの外面にケーシング３の内面と平行なス
トレート部８を設け、ストレート部８とケーシング３内
面との間の間隔と、ケーシング３の径が変化する部分３
ｃの内面とモータ保持部６ａの外面の間隔とを略等しく
しているので、ストレート部８によって、ケーシング３
の径が変化する部分３ｃの上流側の手前の流路が急激に
縮小するのを回避でき、一層空気の流れの急激な圧力変
化を回避できて騒音の発生を防止できる。In the hair dryer constructed as described above, the fan 4 is rotationally driven by the motor 5 so that the air is sucked from the suction port 2 and the air is supplied to the casing 3.
Inside the large diameter portion 3a of the rectifying blade 6, the small diameter portion 3b of the casing 3
After passing through the inside, it is heated by the heater 7 as necessary and is discharged from the air outlet 1. When flowing from the large diameter portion 3a of the casing 3 through the straightening vanes 6 into the small diameter portion 3b, a flow path between the inner surface of the portion 3c of the straightening vanes 6 where the diameter of the casing 3 changes and the outer surface of the motor holding portion 6a. Although the inner surface of the portion 3c whose diameter changes and the outer surface of the motor holding portion 6a have substantially the same cross-sectional shape and the interval therebetween is substantially constant, it is possible to avoid a sudden pressure change of the air flow, The generation of noise can be prevented. Further, since the outer surface of the boss portion 4b is tapered so that the outer diameter becomes smaller toward the upstream side, air flows along the outer periphery of the boss portion 4b as shown by the arrow in FIG.
The air flow on the outer periphery of the boss 4b of the fan 4 is smoothed to the outer periphery of a, and the noise due to the disturbance of the wind flow can be reduced. Further, since the outer surface of the motor holding portion 6a is located on the extension line of the tapered outer surface of the boss portion 4b of the fan 4, the inner surface of the portion 3c where the diameter of the casing 3 changes from the outer circumference of the boss portion 4b of the fan 4 and the motor 4 The flow of the air flowing between the holding portion 6a and the outer surface of the holding portion 6a can be made smoother, and the noise due to the turbulence of the airflow can be reduced. Further, a straight portion 8 parallel to the inner surface of the casing 3 is provided on the outer surface of the motor holding portion 6a at the front portion on the large diameter portion 3a side of the portion 3c where the diameter of the casing 3 changes, and the straight portion 8 and the inner surface of the casing 3 are connected to each other. The space between the two and the portion 3 where the diameter of the casing 3 changes
Since the distance between the inner surface of c and the outer surface of the motor holding portion 6a is substantially equal, the straight portion 8 allows the casing 3
It is possible to prevent the flow path in front of the upstream side of the portion 3c where the diameter changes, from abruptly reducing, further avoiding a rapid pressure change in the air flow and preventing noise.
【００１３】[0013]
【発明の効果】本発明は叙述のようにケーシングの軸方
向と平行な方向の断面形状で、ケーシングの径が変化す
る部分の内面の断面形状と、モータを保持するモータ保
持部の外面の断面形状を略同形状にすると共にケーシン
グの径が変化する部分の内面とモータ保持部の外面の間
隔を一定にしているので、ケーシングの径が変化する部
分の内面とモータ保持部の外面との間の流路を空気が流
れるときでも空気の流れの急激な圧力変化を回避でき、
騒音の発生を防止できるものである。As described above, the present invention has a sectional shape in a direction parallel to the axial direction of the casing, the sectional shape of the inner surface of the portion where the diameter of the casing changes, and the sectional surface of the outer surface of the motor holding portion that holds the motor. Since the inner shape of the portion where the diameter of the casing changes and the outer surface of the motor holding portion are made constant while keeping the shape substantially the same, the distance between the inner surface of the portion where the diameter of the casing changes and the outer surface of the motor holding portion is Even when air flows through the flow path of, it is possible to avoid sudden pressure changes in the air flow,
It is possible to prevent the generation of noise.
【００１４】また本発明の請求項２記載の発明にあって
は、羽根と羽根を固定し且つ駆動力を伝える軸を固定す
るボス部とでファンを形成し、軸方向と平行な断面形状
でボス部の外面を上流側に行く程外径が小さくなるテー
パー状にしているので、ファンのボス部の外周の空気の
流れがスムーズになり、風の流れの乱れによる騒音を低
減できるものである。According to a second aspect of the present invention, a fan is formed by the blade and a boss portion for fixing the blade and a shaft for transmitting a driving force, and has a sectional shape parallel to the axial direction. Since the outer surface of the boss portion is tapered so that the outer diameter becomes smaller toward the upstream side, the air flow around the outer periphery of the boss portion of the fan becomes smooth, and the noise due to the disturbance of the wind flow can be reduced. .
【００１５】また本発明の請求項３記載の発明にあって
は、ファンの下流側にモータを設置し、モータ保持部の
外面をファンのボス部のテーパー状の外面の延長線上に
位置させたので、ファンのボス部の外周からケーシング
の径が変化する部分の内面とモータ保持部の外面との間
に流れる風の流れを一層スムーズにでき、風の流れの乱
れによる騒音を低減できるものである。Further, in the invention according to claim 3 of the present invention, the motor is installed on the downstream side of the fan, and the outer surface of the motor holding portion is located on the extension line of the tapered outer surface of the boss portion of the fan. Therefore, it is possible to make the flow of the air between the outer periphery of the boss of the fan and the outer surface of the motor holding part where the diameter of the casing changes and the outer surface of the motor holding part smoother, and to reduce noise due to turbulence of the wind is there.
【００１６】また本発明の請求項４記載の発明にあって
は、ケーシングの径が変化する部分の大径部側の手前の
部分でモータ保持部の外面にケーシングの内面と平行な
ストレート部を設け、ストレート部とケーシング内面と
の間の間隔と、ケーシングの径が変化する部分の内面と
モータ保持部の外面の間隔とを略等しくしているので、
ストレート部によって、ケーシングの径が変化する部分
の上流側の手前の流路が急激に縮小するのを回避でき、
一層空気の流れの急激な圧力変化を回避できて騒音の発
生を防止できるものである。According to the fourth aspect of the present invention, a straight portion parallel to the inner surface of the casing is provided on the outer surface of the motor holding portion on the front side on the large diameter side of the portion where the diameter of the casing changes. Since the distance between the straight portion and the inner surface of the casing is substantially equal to the distance between the inner surface of the portion where the diameter of the casing changes and the outer surface of the motor holding portion,
With the straight portion, it is possible to avoid a sudden reduction in the flow path on the upstream side of the portion where the diameter of the casing changes,
It is possible to further prevent a sudden pressure change in the air flow and prevent the generation of noise.
【図１】本発明の実施の形態の一例を示す全体の断面図
である。FIG. 1 is an overall sectional view showing an example of an embodiment of the present invention.
【図２】同上の要部を拡大せる断面図である。FIG. 2 is an enlarged sectional view of a main part of the above.
【図３】従来例の全体を示す断面図である。FIG. 3 is a cross-sectional view showing an entire conventional example.
【図４】従来例の要部を拡大せる断面図である。FIG. 4 is a cross-sectional view enlarging a main part of a conventional example.
１ 吐風口 ２ 吸い込み口 ３ ケーシング ３ａ 大径部 ３ｂ 小径部 ３ｃ 径が変化する部分 ４ ファン ４ａ 羽根 ４ｂ ボス部 ５ モータ ６ 整流翼 ６ａ モータ保持部 ７ ヒータ ８ ストレート部 1 Blow-out port 2 Suction port 3 Casing 3a Large diameter part 3b Small diameter part 3c Diameter changing part 4 Fan 4a Blade 4b Boss part 5 Motor 6 Rectifying blade 6a Motor holding part 7 Heater 8 Straight part
Claims (4)
に吸い込み口を有すると共に上流側を大径とした筒状の
ケーシング内に、ファンと、ファンを駆動するモータ
と、モータの保持と風の整流を目的とした整流翼と、ヒ
ータとを、モータや整流翼やヒータがファンより吐風口
側である下流側に位置するように配設し、ファンをケー
シングの大径部内に、ヒータをケーシングの小径部内に
収納すると共にケーシングの大径部と小径部との間の径
が変化する部分の内部にモータを配設したヘアードライ
ヤーにおいて、ケーシングの軸方向と平行な方向の断面
形状で、上記ケーシングの径が変化する部分の内面の断
面形状と、モータを保持するモータ保持部の外面の断面
形状を略同形状にすると共にケーシングの径が変化する
部分の内面とモータ保持部の外面の間隔を一定にして成
ることを特徴とするヘアードライヤー。1. A fan, a motor for driving the fan, and a motor in a cylindrical casing having an outlet on one end on the downstream side and an inlet on the other end on the upstream side and having a large diameter on the upstream side. The fan and the heater are installed so that the motor, the rectifier blade, and the heater are located on the downstream side, which is the outlet side of the fan, and the fan is installed in the large diameter part of the casing. In the hair dryer in which the heater is housed in the small-diameter portion of the casing and the motor is arranged inside the portion where the diameter between the large-diameter portion and the small-diameter portion of the casing changes, in the direction parallel to the axial direction of the casing. In the cross-sectional shape, the cross-sectional shape of the inner surface of the portion where the diameter of the casing changes and the cross-sectional shape of the outer surface of the motor holding portion that holds the motor are substantially the same, and the inner surface of the portion where the diameter of the casing changes and the motor A hair dryer, characterized in that the outer surface of the holding part has a constant interval.
軸を固定するボス部とでファンを形成し、軸方向と平行
な断面形状でボス部の外面を上流側に行く程外径が小さ
くなるテーパー状にして成ることを特徴とする請求項１
記載のヘアードライヤー。2. A fan is formed by a blade and a boss portion for fixing the blade and a shaft for transmitting a driving force, and has a cross-sectional shape parallel to the axial direction. The taper shape which becomes small is formed, It is characterized by the above-mentioned.
Hair dryer as described.
タ保持部の外面をファンのボス部のテーパー状の外面の
延長線上に位置させたことを特徴とする請求項１または
請求項２記載のヘアードライヤー。3. A motor is installed on the downstream side of the fan, and the outer surface of the motor holding portion is located on an extension line of the tapered outer surface of the boss portion of the fan. Hair dryer.
側の手前の部分でモータ保持部の外面にケーシングの内
面と平行なストレート部を設け、ストレート部とケーシ
ング内面との間の間隔と、ケーシングの径が変化する部
分の内面とモータ保持部の外面の間隔とを略等しくして
成ること特徴とする請求項１乃至請求項３記載のヘアー
ドライヤー。4. A straight portion parallel to the inner surface of the casing is provided on the outer surface of the motor holding portion on the front side of the large diameter portion side of the portion where the diameter of the casing changes, and a space between the straight portion and the inner surface of the casing is provided. The hair dryer according to any one of claims 1 to 3, wherein the inner surface of the portion where the diameter of the casing changes and the outer surface of the motor holding portion are substantially equal to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7072396A JPH09252831A (en) | 1996-03-26 | 1996-03-26 | Hair drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7072396A JPH09252831A (en) | 1996-03-26 | 1996-03-26 | Hair drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09252831A true JPH09252831A (en) | 1997-09-30 |
Family
ID=13439766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7072396A Withdrawn JPH09252831A (en) | 1996-03-26 | 1996-03-26 | Hair drier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09252831A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115977974A (en) * | 2022-09-06 | 2023-04-18 | 广东罗曼智能科技股份有限公司 | Electric hair drier fan motor |
-
1996
- 1996-03-26 JP JP7072396A patent/JPH09252831A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115977974A (en) * | 2022-09-06 | 2023-04-18 | 广东罗曼智能科技股份有限公司 | Electric hair drier fan motor |
| CN115977974B (en) * | 2022-09-06 | 2023-10-13 | 广东罗曼智能科技股份有限公司 | Electric hair drier fan motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20030603 |