JPH01116345U - - Google Patents
Info
- Publication number
- JPH01116345U JPH01116345U JP808688U JP808688U JPH01116345U JP H01116345 U JPH01116345 U JP H01116345U JP 808688 U JP808688 U JP 808688U JP 808688 U JP808688 U JP 808688U JP H01116345 U JPH01116345 U JP H01116345U
- Authority
- JP
- Japan
- Prior art keywords
- screw rod
- opening
- ventilation fan
- plate
- fixed
- 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 10
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
Landscapes
- Air-Flow Control Members (AREA)
Description
第１図は本考案の実施例に係る屋上換気扇を示
す一部切欠分解斜視図、第２図はその駆動装置の
詳細を示す断面図、第３図及び第４図はこの屋上
換気扇の作用を示す断面図、第５図は従来の屋上
換気扇の一例を示す断面図である。
２０……開口、２１……換気扇台部、２６……
カバー、２８……ダンパプレート（プレート）、
２８ａ……周縁部、３０……駆動装置、３１……
スクリユーロツド、３２……ケース体（支持部材
）、４１……モータ、４５……移動ブロツク。
Fig. 1 is a partially cutaway exploded perspective view showing a rooftop ventilation fan according to an embodiment of the present invention, Fig. 2 is a sectional view showing details of its driving device, and Figs. 3 and 4 show the operation of this rooftop ventilation fan. The sectional view shown in FIG. 5 is a sectional view showing an example of a conventional rooftop ventilation fan. 20...Opening, 21...Ventilation fan stand, 26...
Cover, 28... damper plate (plate),
28a... peripheral portion, 30... drive device, 31...
Screw rod, 32... Case body (supporting member), 41... Motor, 45... Moving block.
Claims (1)
扇台部に固定され上記開口から離間して該開口を
覆うカバーと、開口とカバーとの間にあつて開口
を開閉するプレートと、このプレートを開閉動さ
せる駆動装置とを備えた屋上換気扇において、 駆動装置を、その軸線がプレート面に対して直
交する方向に沿つて配されるスクリユーロツドと
、上記換気扇台部に固定されスクリユーロツドを
回転可能に支持する支持部材と、支持部材に設け
られスクリユーロツドを回転駆動するモータと、
一端部がスクリユーロツドに螺合し他端部がプレ
ートの周縁部に固定されスクリユーロツドの回転
によつてスクリユーロツド上を移動する移動ブロ
ツクとを備えて構成するとともに、該駆動装置を
プレートの周辺に複数設けたことを特徴とする屋
上換気扇。[Scope of Claim for Utility Model Registration] A ventilation fan stand in which a ventilation opening is formed, a cover fixed to the ventilation fan stand and spaced apart from the opening and covering the opening, and an opening between the opening and the cover. A rooftop ventilation fan comprising a plate that opens and closes, and a drive device that opens and closes the plate, wherein the drive device is connected to a screw rod whose axis is arranged along a direction perpendicular to the plate surface, and the ventilation fan. a support member that is fixed to the base and rotatably supports the screw rod; a motor that is provided on the support member and rotationally drives the screw rod;
a moving block having one end screwed onto the screw rod and the other end fixed to the peripheral edge of the plate and moving on the screw rod as the screw rod rotates; A rooftop ventilation fan characterized by multiple installations around the plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP808688U JPH0343553Y2 (en) | 1988-01-27 | 1988-01-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP808688U JPH0343553Y2 (en) | 1988-01-27 | 1988-01-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01116345U true JPH01116345U (en) | 1989-08-04 |
| JPH0343553Y2 JPH0343553Y2 (en) | 1991-09-12 |
Family
ID=31213652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP808688U Expired JPH0343553Y2 (en) | 1988-01-27 | 1988-01-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0343553Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014202416A (en) * | 2013-04-04 | 2014-10-27 | 日本電産サンキョー株式会社 | Damper gear |
-
1988
- 1988-01-27 JP JP808688U patent/JPH0343553Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014202416A (en) * | 2013-04-04 | 2014-10-27 | 日本電産サンキョー株式会社 | Damper gear |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0343553Y2 (en) | 1991-09-12 |