JPS6263626U - - Google Patents
Info
- Publication number
- JPS6263626U JPS6263626U JP15601885U JP15601885U JPS6263626U JP S6263626 U JPS6263626 U JP S6263626U JP 15601885 U JP15601885 U JP 15601885U JP 15601885 U JP15601885 U JP 15601885U JP S6263626 U JPS6263626 U JP S6263626U
- Authority
- JP
- Japan
- Prior art keywords
- shutter
- straight
- straight part
- ring
- frame
- 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
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Air-Flow Control Members (AREA)
Description
第１図は本考案の一実施例による換気扇のシヤ
ツタ閉時の断面図、第２図は同シヤツタ開時の断
面図、第３図は同換気扇のキツクバネのモーメン
ト説明図、第４図は同換気扇のキツクバネの変形
状態図、第５図は引張りバネ使用時のシヤツタ開
時の断面図、第６図は引張りバネの力一伸び線図
、第７図は従来の換気扇のシヤツタ開時の断面図
である。
２……枠体、３……シヤツタ、５……シヤツタ
連結金具、８……キツクバネ。
Fig. 1 is a sectional view of a ventilation fan according to an embodiment of the present invention when the shutter is closed, Fig. 2 is a sectional view of the same when the shutter is open, Fig. 3 is an explanatory diagram of the moment of the stiff spring of the ventilation fan, and Fig. 4 is the same. Figure 5 is a diagram of the deformation state of a ventilation fan's tight spring. Figure 5 is a cross-sectional view when the shutter is open when a tension spring is used. Figure 6 is a force-elongation diagram of the tension spring. Figure 7 is a cross-section of a conventional ventilation fan when the shutter is open. It is a diagram. 2... Frame body, 3... Shutter, 5... Shutter connection fitting, 8... Tight spring.
Claims (1)
シヤツタと可動的に連結されたシヤツタ連結金具
と、少なくとも一方に直線部分を有し、途中に一
巻き以上の輪形状部分を、直線部分が存在する平
面とほぼ平行な平面上に形成したキツクバネとを
有し、前記キツクバネは輪形状部分と直線部分の
境界部で直線部分を一方向に曲げて、直線部分の
一端を前記シヤツタ連結金具に、他端を枠体に支
持された換気扇。 A shutter provided on the frame so that it can be opened and closed; a shutter connection fitting movably connected to the shutter; and at least one of the shutters has a straight part, and there is a ring-shaped part of one turn or more in the middle, and the straight part is present. a sharp spring formed on a plane substantially parallel to the plane of the ring-shaped part, and the straight spring bends the straight part in one direction at the boundary between the ring-shaped part and the straight part, and connects one end of the straight part to the shutter connection fitting, A ventilation fan whose other end is supported by a frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15601885U JPS6263626U (en) | 1985-10-11 | 1985-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15601885U JPS6263626U (en) | 1985-10-11 | 1985-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6263626U true JPS6263626U (en) | 1987-04-20 |
Family
ID=31077243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15601885U Pending JPS6263626U (en) | 1985-10-11 | 1985-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6263626U (en) |
-
1985
- 1985-10-11 JP JP15601885U patent/JPS6263626U/ja active Pending
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