JPH0730933B2 - Ventilation fan - Google Patents
Ventilation fanInfo
- Publication number
- JPH0730933B2 JPH0730933B2 JP12850289A JP12850289A JPH0730933B2 JP H0730933 B2 JPH0730933 B2 JP H0730933B2 JP 12850289 A JP12850289 A JP 12850289A JP 12850289 A JP12850289 A JP 12850289A JP H0730933 B2 JPH0730933 B2 JP H0730933B2
- Authority
- JP
- Japan
- Prior art keywords
- frame body
- opening
- reinforcing member
- screw
- hole
- 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.)
- Expired - Lifetime
Links
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は換気扇に係り、特に枠体の壁取付部分の補強
に関するものである。Description: TECHNICAL FIELD The present invention relates to a ventilation fan, and more particularly to reinforcement of a wall mounting portion of a frame.
従来の換気扇は、送風機を取着した取付足を枠体にねじ
止めし、この枠体を枠体に設けられた壁取付用開口を利
用して壁にねじで取着するようにしている。（例えば、
実公昭57−39724号公報および特開昭59−147941号公報
参照） 〔発明が解決しようとする課題〕 上記のような従来の換気扇では、枠体の取付足取着部お
よび枠体の壁取着部に応力が集中する。このため、枠体
はこの応力に耐えられるよう板厚を厚くして強度を上げ
ていたため、製品が重くなるとともに、高価なものにな
るという課題があった。In the conventional ventilation fan, the mounting foot to which the blower is attached is screwed to the frame body, and the frame body is attached to the wall with the screw using the wall attachment opening provided in the frame body. (For example,
(See Japanese Utility Model Publication No. 57-39724 and Japanese Patent Application Laid-Open No. 59-147941) [Problems to be Solved by the Invention] In the conventional ventilation fan as described above, the frame foot mounting portion and the frame wall mounting portion are attached. The stress concentrates on the joint. Therefore, since the frame body is made thicker to withstand this stress and the strength is increased, there is a problem that the product becomes heavy and expensive.
この発明は係る課題を解決するためになされたもので、
強度を落とすことなく取付枠を軽量化でき、しかも組立
て作業性が良く、安全でもある換気扇を得ることを目的
とするものである。The present invention has been made to solve the above problems,
The purpose of the present invention is to obtain a ventilation fan that can reduce the weight of the mounting frame without lowering its strength, has good assembly workability, and is safe.
この発明に係わる換気扇は、壁に取着するねじを貫通さ
せる開口と、取付足を取着するねじを貫通させる孔とを
設けた枠体に、孔に通したねじにより取着された取付足
により電動機及び羽根からなる送風機を設け、この枠体
の開口の口縁に当接するフランジを有し、開口を囲む断
面略コ字状の絞り部分に開口に対応する通し孔を設けた
補強部を持つ補強部材を取付足を取りつけるねじにより
共締めにして取着したものである。The ventilation fan according to the present invention has a frame provided with an opening through which a screw for attaching to a wall passes and a hole through which a screw for attaching a mounting leg is provided, and the mounting leg attached by the screw passing through the hole. A blower consisting of an electric motor and blades is provided, and a reinforcing portion having a flange that abuts the rim of the opening of the frame body and a through hole corresponding to the opening is provided in the narrowed portion having a substantially U-shaped cross section surrounding the opening. The reinforcing member to be attached is fastened together by the screws that attach the mounting feet.
また、開口に補強部材側に突出する凸部を設け、補強部
材の絞り部分が嵌合するようにしたものである。In addition, a convex portion protruding toward the reinforcing member is provided in the opening so that the narrowed portion of the reinforcing member fits.
さらにフランジの枠体端部側に切欠きを形成したもので
ある。Furthermore, a notch is formed on the frame body end side of the flange.
この発明においては、取付足とともに枠体に共締めさ
れ、開口に対して対応し、絞り形成された絞り部分に形
成された通し孔と、絞り部分には端部にフランジを形成
した補強部材を設けたから、応力が集中する部分の強度
が高くなり、枠体の板厚を薄くすることが可能となり軽
量化され、絞りによりエッジがなくなり受傷の危険がな
い。According to the present invention, the through-hole formed in the throttle portion formed by the diaphragm and corresponding to the opening is fastened together with the mounting foot and the reinforcing member having the flange formed at the end thereof. Since it is provided, the strength of the portion where the stress is concentrated becomes high, the plate thickness of the frame can be made thin and the weight is reduced, and there is no risk of damage due to the edges being eliminated by the diaphragm.
また、開口に補強部材側に突出する凸部を設け、補強部
材の絞り部分が嵌合するようにしたから、補強部材の枠
体への位置決めが容易になり、組立て作業性が向上す
る。Further, since the convex portion projecting to the reinforcing member side is provided in the opening so that the narrowed portion of the reinforcing member fits, the positioning of the reinforcing member on the frame is facilitated and the assembling workability is improved.
さらに、フランジの枠体端部側に切欠きを形成したか
ら、フランジが邪魔にならず、補強部材を枠体のより端
部寄りに設けることが可能となり、取付安定性が向上す
る。Further, since the notch is formed on the frame body end portion side of the flange, the flange does not interfere, and the reinforcing member can be provided closer to the end portion of the frame body, and the mounting stability is improved.
第１図〜第４図はこの発明の一実施例を示す図で、図に
おいて（１）は周縁に折曲縁（２）を設けた枠体で、中
央部に通風開口（３）を有するベルマウス部（４）が形
成され、４角に枠体（１）を壁等に取着するねじが貫通
する開口（５）が設けられている。この開口（５）の口
縁には折曲縁（２）側に突出する凸部（６）が形成され
ている。また枠体（１）の各開口（５）に近い通風開口
（３）寄りの部分にはそれぞれねじを通すための孔
（７）が設けられている。（８）は上記孔（７）に対応
して設けられた孔（９）を有する取付足、（10）はこの
取付足に取着された送風機で、電動機（11）と羽根（1
2）とから形成されている。（13）は上記枠体（１）壁
側に上記枠体（１）および取付足（８）とともにボルト
（14）ナット（15）からなるねじ（16）で共締めされる
補強部材で、周縁に立上り部（17）を設け孔（18）を有
する共締め部（19）と、枠体（１）の形状に沿うよう形
成した連結部（20）と、連結部（20）の端に絞り形成さ
れた補強部（24）からなる。補強部（24）は、枠体
（１）の開口（５）に対応し、凸部（６）の周側に嵌合
する断面略コ字状に形成された絞り部分に開口（５）に
対応する通し孔（21）を設けた構成で、絞り部分の開口
（５）の口縁に当接する部分には、折曲縁（２）側に切
欠き（22）を設けたフランジ（23）が形成されている。
フランジ（23）を含む絞り部分の寸法は、折曲縁（２）
の高さ寸法とほぼ同一に形成されている。（25）は壁
（26）に設けられたねじ、（27）はワッシャ、（28）は
ナットである。1 to 4 are views showing an embodiment of the present invention, in which (1) is a frame body provided with a bent edge (2) at its periphery, and has a ventilation opening (3) in the central portion. A bell mouth portion (4) is formed, and an opening (5) through which a screw for attaching the frame body (1) to a wall or the like is provided is provided at each of four corners. A convex portion (6) protruding toward the bent edge (2) side is formed at the edge of the opening (5). Further, holes (7) for passing the screws are provided in portions of the frame body (1) near the ventilation openings (3) close to the openings (5). (8) is a mounting foot having a hole (9) provided corresponding to the hole (7), and (10) is a blower attached to the mounting foot, which includes an electric motor (11) and a blade (1).
2) is formed from (13) is a reinforcing member that is fastened together with the frame (1) and the mounting foot (8) on the wall side of the frame (1) with a screw (16) consisting of a bolt (14) and a nut (15). A joint portion (19) having a hole (18) provided with a rising portion (17), a connecting portion (20) formed so as to follow the shape of the frame (1), and a squeezing at the end of the connecting portion (20). It consists of the formed reinforcing part (24). The reinforcing portion (24) corresponds to the opening (5) of the frame body (1) and is provided at the opening (5) at the diaphragm portion formed in a substantially U-shaped cross section that fits on the circumferential side of the convex portion (6). A flange (23) having a corresponding through hole (21) and having a notch (22) on the bent edge (2) side at a portion abutting the edge of the aperture (5) of the throttle portion. Are formed.
The dimensions of the drawing part including the flange (23) are the bent edge (2).
Is formed to have almost the same height dimension as that of. (25) is a screw provided on the wall (26), (27) is a washer, and (28) is a nut.
上記のように構成された換気扇においては、送風機（1
0）を取着した取付足（８）の孔（９）を枠体（１）の
孔（７）に合わせるとともに、補強部材（13）の補強部
（24）を枠体（１）の凸部（６）外周に嵌合させて孔
（18）を上記枠体の孔（７）に合わせ、これらの孔にボ
ルト（14）を貫通させてナット（15）とによって共締め
する。こうして組立てられた換気扇は、枠体（１）の開
口（５）および補強部材（13）の通し孔（21）に、壁
（26）に設けられたねじ（25）を貫通させワッシャ（2
7）を通しナット（28）により壁（26）に取着し、送風
機（10）を運転して換気するようになっている。In the ventilation fan configured as described above, the blower (1
The hole (9) of the mounting foot (8) to which the (0) is attached is aligned with the hole (7) of the frame body (1), and the reinforcing portion (24) of the reinforcing member (13) is protruded from the frame body (1). The hole (18) is fitted to the outer periphery of the portion (6) so that the hole (18) is aligned with the hole (7) of the frame body, the bolt (14) is passed through these holes, and the nut (15) is tightened together. In the ventilation fan thus assembled, the screw (25) provided on the wall (26) is passed through the opening (5) of the frame (1) and the through hole (21) of the reinforcing member (13) to pass the washer (2).
The nut (28) is attached to the wall (26) through the (7), and the blower (10) is operated for ventilation.
このように応力の集中するねじ（25）締め部分に補強部
材（13）が共締めされ当接しているため強度は高いもの
となる。従って、枠体（１）の板厚を薄くしても送風機
等の重量には十分耐えられ、製品全体の重量は軽減さ
れ、安価になる。In this way, since the reinforcing member (13) is fastened together and abuts on the tightened portion of the screw (25) where the stress is concentrated, the strength is high. Therefore, even if the plate thickness of the frame body (1) is thin, the frame can withstand the weight of the blower or the like, the weight of the entire product is reduced, and the cost is reduced.
また、補強部材（13）を枠体（１）の凸部（６）に補強
部（24）を嵌合させているため、位置決めが容易で組立
て作業性が良好となる。Further, since the reinforcing member (13) is fitted to the convex portion (6) of the frame body (1) with the reinforcing portion (24), the positioning is easy and the assembling workability is improved.
さらに、フランジ（23）の枠体（１）端部側に切欠き
（22）を形成していることにより、ねじ（25）固定部を
枠体（１）のより周辺部に形成することができ、取付安
定性が向上する。Furthermore, since the notch (22) is formed on the frame body (1) end side of the flange (23), the screw (25) fixing portion can be formed in a more peripheral portion of the frame body (1). The mounting stability is improved.
そして、補強部（24）が絞り成形されているため、下部
のコーナ部分は曲面状になり、エッジがなく作業時に受
傷する危険がなく安全なものとなる。Further, since the reinforcing portion (24) is formed by drawing, the lower corner portion has a curved shape, and there is no edge, so there is no danger of being damaged during work and it is safe.
なお、排気方向を逆にする場合には、第４図に示すよう
にねじ（25）を逆方向から開口（５）および通し孔（2
1）を通して締付ければよく、このとき、補強部（24）
の下部には平面が形成され、かつそのコーナ部分は曲面
状に形成されているため、ナット（28）の締付け性が良
好であり、かつエッジ部がなく安全性も高い。When the exhaust direction is reversed, screw (25) from the opposite direction to open (5) and through hole (2
It can be tightened through 1), and at this time, the reinforcement part (24)
Since a flat surface is formed in the lower part of and the corner portion thereof is formed into a curved surface, the nut (28) has a good tightening property, and there is no edge portion, and the safety is high.
この発明は以上説明したとおり、壁に取着するねじが貫
通する開口を設けるとともに孔を設けた枠体と、この枠
体に上記孔を貫通するねじにより取着された取付足と、
この取付足に取着された電動機および羽根から成る送風
機とを備え、上記取付足とともに上記枠体に共締めさ
れ、上記開口に対して絞り成形されねじ孔と端部にフラ
ンジを形成したことにより、応力が集中する部分の強度
が高くなり、枠体の板厚を薄くすることが可能となり軽
量化され、絞りによりエッジがなくなり受傷する危険も
なくなる効果がある。As described above, the present invention has a frame body provided with an opening through which a screw for attaching to a wall penetrates and a mounting foot attached to the frame body by a screw passing through the hole,
An electric motor and a blower composed of blades attached to the mounting foot are provided, and together with the mounting foot, the frame is tightened together, and the screw hole is drawn to the opening to form a screw hole and a flange at the end. The strength of the portion where the stress is concentrated is increased, the plate thickness of the frame can be reduced, the weight is reduced, and there is an effect that there is no edge due to the diaphragm and there is no risk of injury.
また、開口に補強部材側に突出する凸部を設け、補強部
材の絞り部分が嵌合するようにしたことにより、上記効
果に加え補強部材の枠体への位置決めが容易になり、組
立て作業性が向上する効果がある。In addition to providing the above-mentioned effect, the positioning of the reinforcing member on the frame body is facilitated by providing the convex portion projecting to the reinforcing member side in the opening so that the narrowed portion of the reinforcing member fits, and the assembling workability is improved. Has the effect of improving.
そして、フランジの枠体端部側に切欠きを形成したこと
により、上記効果に加え補強部材を枠体のより端部に設
けることが可能となり、取付安定性が向上する効果があ
る。Further, by forming the notch on the frame body end portion side of the flange, in addition to the above effect, the reinforcing member can be provided at the more end portion of the frame body, and there is an effect that mounting stability is improved.
第１図はこの発明の一実施例を示す斜視図、第２図は同
じく要部斜視図、第３図は同じく要部断面図、第４図は
同じく排気方向を逆にした場合を示す要部断面図であ
る。 なお、各図中同一符号は同一部分を示し、（１）は枠
体、（５）は開口、（６）は凸部、（７）は孔、（８）
は取付足、（10）は送風機、（11）は電動機、（12）は
羽根、（13）は補強部材、（21）は通し孔、（22）は切
欠き、（23）はフランジ、（25）はねじ、（26）は壁で
ある。FIG. 1 is a perspective view showing an embodiment of the present invention, FIG. 2 is a perspective view of the same main part, FIG. 3 is a sectional view of the same main part, and FIG. 4 is a view showing the same when the exhaust direction is reversed. FIG. In the drawings, the same reference numerals indicate the same parts, (1) is a frame, (5) is an opening, (6) is a convex portion, (7) is a hole, and (8).
Is a mounting foot, (10) is a blower, (11) is an electric motor, (12) is a blade, (13) is a reinforcing member, (21) is a through hole, (22) is a notch, (23) is a flange, ( 25) is a screw and (26) is a wall.
Claims (3)
付足を取着するねじを貫通させる孔とを設けた枠体に、
上記孔に通したねじにより取着された上記取付足により
電動機及び羽根からなる送風機を設けるとともに、上記
枠体の開口の口縁に当接するフランジを有し、上記開口
を囲む断面略コ字状の絞り部分に上記開口に対応する通
し孔を設けた補強部を持つ補強部材を上記取付足を取り
つけるねじにより上記枠体に共締めにして取着したこと
を特徴とする換気扇。1. A frame body having an opening through which a screw for attaching to a wall penetrates and a hole through which a screw for attaching a mounting foot penetrates,
A blower consisting of an electric motor and blades is provided by the mounting feet attached by the screws passed through the holes, and a flange that abuts against the rim of the opening of the frame body is provided, and the section has a substantially U-shape around the opening. A ventilating fan, characterized in that a reinforcing member having a reinforcing portion having a through hole corresponding to the opening in the narrowed portion is attached to the frame body together with a screw for attaching the mounting foot.
の絞り部分に嵌合する凸部を設けたことを特徴とする請
求項１に記載の換気扇。2. The ventilation fan according to claim 1, wherein a convex portion is provided at a rim of the opening so as to project toward the reinforcing member and fit into a narrowed portion of the reinforcing portion.
に切欠きを形成したことを特徴とする請求項１または２
に記載の換気扇。3. A notch is formed in the flange of the reinforcing member on the end side of the frame body.
Ventilation fan described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12850289A JPH0730933B2 (en) | 1989-05-22 | 1989-05-22 | Ventilation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12850289A JPH0730933B2 (en) | 1989-05-22 | 1989-05-22 | Ventilation fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02309143A JPH02309143A (en) | 1990-12-25 |
| JPH0730933B2 true JPH0730933B2 (en) | 1995-04-10 |
Family
ID=14986330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12850289A Expired - Lifetime JPH0730933B2 (en) | 1989-05-22 | 1989-05-22 | Ventilation fan |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0730933B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6153288B2 (en) * | 2012-01-27 | 2017-06-28 | 三菱電機株式会社 | Ventilation fan |
| JP6061839B2 (en) * | 2013-12-25 | 2017-01-18 | 三菱電機株式会社 | Ventilation fan |
-
1989
- 1989-05-22 JP JP12850289A patent/JPH0730933B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02309143A (en) | 1990-12-25 |
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