JPH0293640U - - Google Patents
Info
- Publication number
- JPH0293640U JPH0293640U JP106889U JP106889U JPH0293640U JP H0293640 U JPH0293640 U JP H0293640U JP 106889 U JP106889 U JP 106889U JP 106889 U JP106889 U JP 106889U JP H0293640 U JPH0293640 U JP H0293640U
- Authority
- JP
- Japan
- Prior art keywords
- bell mouth
- main body
- body frame
- fan
- outer peripheral
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図乃至第５図は本考案の一実施例を示した
もので、第１図は全体の縦断正面図、第２図は同
分解斜視図、第３図は要部の拡大分解斜視図、第
４図は取付状態で示す第３図の―線に沿つて
示す断面図、第５図は同第４図の―線に沿つ
て示す断面図である。そして、第６図は従来例を
示す分解斜視図である。
図面中、１３は本体枠、１５は前枠部、１７は
モータ、１８はフアン、２１はベルマウス、２２
は外周フランジ部、２３は係合突起、２４は切欠
部、２６は係合孔、２７は回り止め凸部、２８は
斜面部である。
Figures 1 to 5 show an embodiment of the present invention; Figure 1 is an overall longitudinal sectional front view, Figure 2 is an exploded perspective view of the same, and Figure 3 is an enlarged exploded perspective view of the main parts. , FIG. 4 is a cross-sectional view taken along the line --- in FIG. 3 shown in the attached state, and FIG. 5 is a cross-sectional view taken along the -- line in FIG. 4. FIG. 6 is an exploded perspective view showing a conventional example. In the drawing, 13 is a main frame, 15 is a front frame, 17 is a motor, 18 is a fan, 21 is a bell mouth, 22
23 is an outer peripheral flange portion, 23 is an engaging protrusion, 24 is a notch portion, 26 is an engaging hole, 27 is a rotation preventing convex portion, and 28 is a slope portion.
Claims (1)
体に形成され前記フアンを囲繞するベルマウスと
を備え、このベルマウスの外周フランジ部に設け
た複数の係合突起を、前記本体枠の前枠部に設け
た複数の係合孔に係合させることによつて、前記
ベルマウスを前記本体枠に取付けるようにしたも
のにおいて、少なくとも１箇所の前記係合孔の外
周縁部に、前記ベルマウスの外周フランジ部の外
側から該係合孔の内方へ向つて前記前枠部の裏側
へ傾斜する斜面部を形成したことを特徴とする換
気扇。 It includes a main body frame in which a fan is installed, and a bell mouth that is formed separately from the main body frame and surrounds the fan. The bell mouth is attached to the main body frame by engaging with a plurality of engagement holes provided in the front frame of the body, wherein the bell mouth is attached to the outer peripheral edge of at least one of the engagement holes, A ventilation fan characterized in that a slope portion is formed that slopes from the outside of the outer peripheral flange portion of the bell mouth toward the inside of the engagement hole and toward the back side of the front frame portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP106889U JPH0293640U (en) | 1989-01-09 | 1989-01-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP106889U JPH0293640U (en) | 1989-01-09 | 1989-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0293640U true JPH0293640U (en) | 1990-07-25 |
Family
ID=31200632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP106889U Pending JPH0293640U (en) | 1989-01-09 | 1989-01-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0293640U (en) |
-
1989
- 1989-01-09 JP JP106889U patent/JPH0293640U/ja active Pending