JPH03107640U

JPH03107640U -

Info

Publication number: JPH03107640U
Application number: JP1989128593U
Authority: JP
Priority date: 1989-11-02
Filing date: 1989-11-02
Publication date: 1991-11-06

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の好適な実施例に係る換気装置
を樹脂フイルムのトンネルに採用した状態で示す
概略構成図、第２図は第１図に示す換気装置を閉
成した状態を示す要部拡大断面図、第２図は第１
図に示す換気装置を開放した状態を示す要部拡大
断面図、第４図は形状記憶合金製コイルばねおよ
び圧縮ばねの荷重と変位量との関係を示すグラフ
、第５図は形状記憶合金製コイルばねのヘタリ具
合を示す実験データの説明図である。１４……樹脂フイルム、２２……第１ハウジン
グ、２２ｂ……開口、２６……第２ハウジング、
２６ｂ……開口、３０……円盤、３２……圧縮ば
ね、３８……固定部、４０……形状記憶合金製コ
イルばね。 Fig. 1 is a schematic configuration diagram showing a ventilating device according to a preferred embodiment of the present invention in a resin film tunnel, and Fig. 2 is a main part showing the ventilating device shown in Fig. 1 in a closed state. Enlarged sectional view, Figure 2 is the 1st
Figure 4 is a graph showing the relationship between the load and displacement of shape memory alloy coil springs and compression springs. Figure 5 is a shape memory alloy coil spring and compression spring. It is an explanatory view of experimental data showing the degree of fatigue of a coil spring. 14... Resin film, 22... First housing, 22b... Opening, 26... Second housing,
26b...Opening, 30...Disc, 32...Compression spring, 38...Fixing portion, 40...Shape memory alloy coil spring.

補正平３．５．１３図面の簡単な説明を次のように補正する。明細書第１９頁第７行「…拡大断面図、第２図
は第１」を、「…拡大断面図、第３図は第１」と
補正します。Amendment 3/5/13 The brief description of the drawing is amended as follows. Page 19, line 7 of the specification, "...Enlarged cross-sectional view, Figure 2 is No. 1" is corrected to "...Enlarged cross-sectional view, Figure 3 is No. 1."

Claims

【実用新案登録請求の範囲】密閉空間を画成する遮蔽部材１４の外側に配設
され、外部と連通する開口２２ｂを開設した第１
ハウジング２２と、前記遮蔽部材１４の内側に配設されて前記密閉
空間内に臨み、該空間に連通する開口２６ｂを介
して前記第１ハウジング２２と連通する第２ハウ
ジング２６と、前記第１ハウジング２２および第２ハウジング
２６の内部に摺動可能に配設され、弾性部材３２
により弾圧されて所定位置に臨んで、常には両ハ
ウジング２２，２６の連通を遮断する遮断板３０
と、前記第２ハウジング２６に収納されて適宜の固
定部３８と前記遮断板３０とに連結され、常には
伸長状態を保持している形状記憶合金のアクチユ
エータ４０とからなり、周囲温度が所定値に達した際に、前記アクチユ
エータ４０が形状記憶を回復して、前記遮断板３
０を弾性部材３２の弾力に抗して移動させること
により、両ハウジング２２，２６間を連通状態と
し、周囲温度が前記温度から所定値だけ低下した際
に、前記遮断板３０は弾性部材３２の復帰弾力に
より原位置まで移動されて、再び両ハウジング２
２，２６間の連通を遮断し得るよう構成したことを特徴とする換気装置。[Claims for Utility Model Registration] A first shielding member disposed outside the shielding member 14 defining a sealed space and having an opening 22b communicating with the outside.
a housing 22; a second housing 26 that is disposed inside the shielding member 14 and faces the sealed space and communicates with the first housing 22 through an opening 26b that communicates with the space; and the first housing 22 and the second housing 26, the elastic member 32 is slidably arranged inside the second housing 22 and the second housing 26.
A blocking plate 30 that is pressed against the housing and faces a predetermined position and normally blocks communication between the two housings 22 and 26.
and an actuator 40 made of a shape memory alloy that is housed in the second housing 26 and connected to an appropriate fixing part 38 and the blocking plate 30 and always maintains an extended state, when the ambient temperature is at a predetermined value. , the actuator 40 recovers its shape memory and the blocking plate 3
0 against the elasticity of the elastic member 32, the two housings 22 and 26 are brought into communication, and when the ambient temperature drops from the temperature by a predetermined value, the shielding plate 30 moves the elastic member 32. Both housings 2 are moved back to their original positions due to the return elasticity, and both housings 2 are moved back to their original positions.
1. A ventilation system characterized by being configured to be able to cut off communication between 2 and 26.