JPH02245499A

JPH02245499A - Blower

Info

Publication number: JPH02245499A
Application number: JP6508289A
Authority: JP
Inventors: Yukio Shinoda; 幸雄篠田
Original assignee: Mitsubishi Electric Corp
Current assignee: Mitsubishi Electric Corp
Priority date: 1989-03-17
Filing date: 1989-03-17
Publication date: 1990-10-01

Abstract

PURPOSE:To simplify a casing and reduce the cost of manufacture by forming mounting legs integrally on an insulator provided on a shaft supporting section and mounting the mounting legs on the casing. CONSTITUTION:Mounting legs 3a are integrally extended in the radial direction from the main pole 20 section of an insulator 9. The center area 21 of each mounting leg 3a is formed in a step and a rotary board 18 is so inserted and mounted that electronic parts on the board are projected toward a stator 8 side. The top end of each mounting leg 3a is formed triangular, and mounted into each mounting recessed section 25 provided in a casing 1 to face the top end of the mounting leg. Thus, the form of the casing 1 can be simplified and the cost of metal molds, etc. is reduced to reduce the manufacturing cost.

Description

【発明の詳細な説明】〔産業上の利用分野〕この発明は、例えばＯＡ機器等の冷却用に使用される送
風機に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a blower used for cooling OA equipment, for example.

[Conventional technology]

第４図は例えば実開昭６２−７８０６３号公報に示され
た従来の送風機を示す断面図であり、図において１１）
は通風路（′２Ｊを形成したケーシングで、上記通風路
のほぼ中央にはゲージング（１）と一体成形により形成
された取付足（３）を介して軸支持部（２）が設けられ
ている。（５１は軸支持部にインサート成形により設け
られた軸受保持部材、（６）は上記軸支持部（イ）に形
成された開口、（′７）は上記軸支持部の軸受保持部材
（５）に嵌着された軸受、（８）は上記軸支持部に固着
され絶縁体（９）を介して巻線０ωを巻装した固定子、
＜１１＞は上記軸受（７）に嵌合し回動可能に支持され
た回転軸で、止めリング（１２）が取着されている。（
１３）はこの回転軸に軸保持部材（１４）を介して固着
されロータヨーク（１５）とこのロータヨークに上記固
定子（９）の周側と対向する磁石〈１６）および羽根（
１７）とから形成された回転子、（１８・）は上記軸支
持部（４）に形成された凹部（１９）に内設され上記固
定子への通電を制御する電子部品（図示せず）を有する
回路基板である。FIG. 4 is a sectional view showing a conventional blower disclosed in, for example, Japanese Utility Model Application Publication No. 62-78063, and 11) in the figure.
is a casing in which a ventilation passage ('2J) is formed, and a shaft support part (2) is provided approximately in the center of the ventilation passage via a mounting foot (3) formed integrally with gauging (1). (51 is a bearing holding member provided in the shaft support part by insert molding, (6) is an opening formed in the shaft support part (A), and ('7) is a bearing holding member (5) of the shaft support part. ), a stator (8) is fixed to the shaft support and is wound with a winding 0ω via an insulator (9);
<11> is a rotating shaft that is fitted into the bearing (7) and rotatably supported, and a retaining ring (12) is attached thereto. (
13) is fixed to this rotating shaft via a shaft holding member (14), and includes a rotor yoke (15), a magnet (16) facing the circumferential side of the stator (9), and a blade (
17), and (18.) is an electronic component (not shown) that is installed in a recess (19) formed in the shaft support part (4) and controls energization to the stator. It is a circuit board having.

従来の送風機は上記のように構成され、固定子矧の巻線
（ｌＯ）に回路基板（１８）を介して通電することで固
定千矧と磁石（１６）の磁気作用により回転子（１３）
は回転し、羽根（１７）はケーシング（１）の通風路（
２）を通して送風するようになっている。A conventional blower is constructed as described above, and by applying current to the winding (lO) of the stator via the circuit board (18), the rotor (13) is moved by the magnetic action of the fixed coil and the magnet (16).
rotates, and the blades (17) move through the ventilation passages of the casing (1) (
2).

[Problem to be solved by the invention]

上記のような従来の送風機では、取付足Ｂ）がケーシン
グ（１）に一体成形により形成されているため、ケーシ
ング（１）の形状が複雑になり、成形金型が高価なもの
となる課題があった。In the conventional blower as described above, the mounting foot B) is formed integrally with the casing (1), which results in a complicated shape of the casing (1) and an expensive mold. there were.

この発明は係る課題を解決するためになされたもので、
ケーシングを単純化し、ケーシングを安価に製造するこ
とができる送風機を得ることを目的とするものである。This invention was made to solve the problem,
The object of the present invention is to provide a blower whose casing can be manufactured at low cost by simplifying the casing.

[Means to solve the problem]

この発明に係る送風機は、固定子の絶縁体に取付足を一
体的に形成し、ケーシングにこの取付足を取着するよう
にしたものである。In the blower according to the present invention, a mounting foot is integrally formed on the insulator of the stator, and the mounting foot is attached to the casing.

[Effect]

この考案においては、固定子の絶縁体に取付足が一体的
に形成されているから、ケーシングの形状が単純になり
、ケーシングを安価に製造することが可能となる。In this invention, since the mounting legs are integrally formed with the insulator of the stator, the shape of the casing becomes simple and the casing can be manufactured at low cost.

〔Example〕

第１図および第２図はこの発明の一実施例を示す図で、
（１）、（■、（４）〜（１８）は上記従来例と同一ま
たは相当部分を示し、（３ａ）は絶縁体（９）の主極（
２０）部分から放射状に一体成形により延設された取付
足で、中心部には軸支持部（２）が形成され、固定子（
ａ等が設けられている。（２１）はこれらの取付足（３
ａ）の中央部に設けられた段部で、回路基板（１８）が
その回路基板に取着される電子部品（図示せず）が固定
子（ａ側に突出すよう挿入され取着される。FIG. 1 and FIG. 2 are diagrams showing one embodiment of this invention,
(1), (■, (4) to (18) show the same or equivalent parts as the above conventional example, and (3a) shows the main pole (
20) are integrally molded and extend radially from the part, the shaft support part (2) is formed in the center part, and the stator (
a etc. are provided. (21) are these mounting feet (3
A circuit board (18) is inserted into and attached to the stepped part provided in the center of the stator (a) so that an electronic component (not shown) to be attached to the circuit board protrudes toward the stator (a). .

（２２）は同じくこれら取付足（３ａ）の先端部に三角
状仏に形成され取付−ｔ　（２３）が穿設された取着部、（
２４）は回路基板（１８）に取付足（３ａ）と嵌合し回
り止め用に設けられた係合凹部、（２５）はケーシング
（１）に上記取付足（３ａ）の取着部（２２）に対応し
て設けられた取付凹部である。(22) is also a mounting part formed in a triangular shape at the tip of these mounting legs (3a) and having a mounting hole (23) drilled therein;
24) is an engagement recess provided in the circuit board (18) to fit with the mounting foot (3a) and prevent rotation, and (25) is a mounting portion (22) of the mounting foot (3a) on the casing (1). ) is a mounting recess provided correspondingly.

上記のように構成された送風機においては、上記従来例
と同様にして回転子（１３）を回転させて送Ｔ゛風するが、ケーシンス（１）への固定子（８）の取着は
、ケーシング（１）の取付凹部（２５）に固定子（８）
の絶縁体（９）から延設された取付足（３ａ）の先端の
取着部（２２）を嵌合させることで行い、回路基板（１
８）は係合凹部（２４）が取付足（３ａ）に係合するよ
う段部（２１）に挿入し取着する。これにより、ケーシ
ング（１）の形状は単純化され、その金型等は安価にな
り、製品のコストは低くなる。また、回路基板〈１８）
が軸支持部用の開口（６）を覆うことから、塵埃の侵入
がなく、軸受（′７）に塵埃が付着せず寿命も長くなり
、送風機の厚みも薄くすることができる。In the blower configured as described above, the rotor (13) is rotated to blow air T' in the same manner as in the conventional example, but the attachment of the stator (8) to the casing (1) is as follows. Insert the stator (8) into the mounting recess (25) of the casing (1).
This is done by fitting the mounting portion (22) at the tip of the mounting foot (3a) extending from the insulator (9) of the circuit board (1).
8) is inserted and attached to the stepped portion (21) so that the engagement recess (24) engages with the mounting leg (3a). As a result, the shape of the casing (1) is simplified, its mold etc. are inexpensive, and the cost of the product is reduced. Also, circuit board <18)
Since the bearing ('7) covers the opening (6) for the shaft support part, there is no intrusion of dust, and the bearing ('7) is free from dust, resulting in a longer service life and the thickness of the blower can be made thinner.

なお、上記実施例では取付足（３ａ）を絶縁体（９）の
主極（２０）部分から延設しているが、第３図に示すよ
うに補極（２６）部分から延設しても同様の効果が期待
できる。In the above embodiment, the mounting foot (3a) extends from the main pole (20) part of the insulator (9), but as shown in Fig. 3, it extends from the complementary pole (26) part. A similar effect can be expected.

〔Effect of the invention〕

この発明は以上説明しなとおり、絶縁体に取付足を一体
的に形成し、ケーシングに取付足を取着するようにした
ことにより、ケーシングが単純化され、安価に製造する
ことができる効果がある。As described above, this invention has the effect that the casing is simplified and can be manufactured at low cost by integrally forming the mounting feet on the insulator and attaching the mounting feet to the casing. be.

[Brief explanation of drawings]

第１図はこの発明の一実施例を示す断面図、第２図は同
じく要部分解斜視図、第３図はこの発明の他の実施例を
示す要部斜視図、第４図は従来の送風機を示す断面図で
ある。なお、各図中同一符号は同一または相当部分を示し、（
１）はケーシング、（２Ｊは通風路、（３ａ）は取付足
、４）は軸支持部、（７）は軸受、（８）は固定子、（
９）は絶縁体、叫は巻線、（１１）は回転軸、（１３）
は回転子、（１６）は磁石、（２２）は取着部、（２５
）は取付凹部である。Fig. 1 is a sectional view showing one embodiment of the present invention, Fig. 2 is an exploded perspective view of the main part, Fig. 3 is a perspective view of the main part showing another embodiment of the invention, and Fig. 4 is a conventional It is a sectional view showing an air blower. In addition, the same reference numerals in each figure indicate the same or equivalent parts.
1) is the casing, (2J is the ventilation path, (3a) is the mounting foot, 4) is the shaft support, (7) is the bearing, (8) is the stator, (
9) is an insulator, 1 is a winding, (11) is a rotating shaft, (13)
is the rotor, (16) is the magnet, (22) is the attachment part, (25)
) is the mounting recess.

Claims

[Claims]

A casing with a ventilation passage formed therein, a shaft support provided on the casing via a mounting foot at approximately the center of the ventilation passage, a bearing provided on the shaft support, and an insulating shaft support provided on the shaft support. A rotor having a stator having a winding wound thereon, a rotary shaft fitted in the bearing and rotatably provided, and a magnet fixed to the rotary shaft and facing the circumferential side of the stator. The blower is provided with a base plate, the mounting foot is integrally formed on the insulator, and the mounting foot is attached to the casing.