JPS6346738U - - Google Patents
Info
- Publication number
- JPS6346738U JPS6346738U JP13947286U JP13947286U JPS6346738U JP S6346738 U JPS6346738 U JP S6346738U JP 13947286 U JP13947286 U JP 13947286U JP 13947286 U JP13947286 U JP 13947286U JP S6346738 U JPS6346738 U JP S6346738U
- Authority
- JP
- Japan
- Prior art keywords
- shutter
- connecting fitting
- closed
- frame body
- spring
- 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.)
- Granted
Links
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
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
ツタ開閉時の断面図、第２図はキツクバネを本考
案以外の位置に支持した場合の説明図、第３図は
引張りバネ使用時のシヤツタ開時の断面図、第４
図は引張りバネの力―伸び線図、第５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 cross-sectional view of a ventilation fan according to an embodiment of the present invention when the shutter is opened and closed, Fig. 2 is an explanatory diagram when the tight spring is supported in a position other than that of the present invention, and Fig. 3 is an illustration of the shutter opening when a tension spring is used. Cross section of time, 4th
The figure is a force-elongation diagram of a tension spring, and Figure 5 is a sectional view of a conventional ventilation fan when the shutter is open. 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、一端を前記枠体に、他端を前記シヤツタ連結
金具に支持されたキツクバネとを有し、このキツ
クバネの前記シヤツタ連結金具での支持点が、前
記シヤツタを開閉動作させるとき、前記シヤツタ
の閉鎖時の前記キツクバネの枠体での支持位置に
最も近い位置を示す軌道を描いてなる換気扇。 A shutter provided on a frame body so as to be openable and closable, a shutter connecting fitting movably connected to the shutter, and a spring supported at one end by the frame body and at the other end by the shutter connecting fitting, A ventilation fan in which a support point of the tight spring on the shutter connecting fitting draws a trajectory indicating a position closest to a supporting position of the tight spring on the frame when the shutter is closed when the shutter is opened and closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13947286U JPH0612469Y2 (en) | 1986-09-11 | 1986-09-11 | Ventilation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13947286U JPH0612469Y2 (en) | 1986-09-11 | 1986-09-11 | Ventilation fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6346738U true JPS6346738U (en) | 1988-03-30 |
| JPH0612469Y2 JPH0612469Y2 (en) | 1994-03-30 |
Family
ID=31045408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13947286U Expired - Lifetime JPH0612469Y2 (en) | 1986-09-11 | 1986-09-11 | Ventilation fan |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0612469Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105008811A (en) * | 2013-02-26 | 2015-10-28 | 三菱电机株式会社 | Ventilation fan and shutter opening/closing mechanism |
-
1986
- 1986-09-11 JP JP13947286U patent/JPH0612469Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105008811A (en) * | 2013-02-26 | 2015-10-28 | 三菱电机株式会社 | Ventilation fan and shutter opening/closing mechanism |
| CN105008811B (en) * | 2013-02-26 | 2017-08-18 | 三菱电机株式会社 | Ventilation fan and shutter switching mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0612469Y2 (en) | 1994-03-30 |