To provide a travel wind introduction mechanism capable of preventing foreign matters from being caught into rotary shaft parts of flaps, while largely securing an effective opening area of a frame body.SOLUTION: A travel wind introduction mechanism includes plate-like flaps 61 arranged to be freely rotatable between a closing position and an opening position of an aperture 5a on the inside of a frame body 5. The flaps 61 each includes: a plate-like main body part 6a; a rotary shaft part 12; and a plate part 11 arranged on the rotary shaft part 12 so as to intersect in an extending direction of the rotary shaft part 12. Insertion holes 15 into which the rotary shaft parts 12 are inserted in a freely rotatable manner, are provided on an inner peripheral surface of the frame body 5. The plate parts 11 are positioned between the inner peripheral surface of the frame body 5 and the main body part 6a, and have a size that can close the insertion holes 15 from a main body part 6a side.SELECTED DRAWING: Figure 8
【課題】枠体の有効開口面積を大きく確保しつつ、フラップの回動軸部分への異物噛みこみを防止するが可能な走行風導入機構を提供する。【解決手段】走行風導入機構は、枠体5の内側において開口5aを閉じる位置と開く位置との間で回転自在に設けられた板状のフラップ61を備えている。フラップ61は、板状の本体部6aと、回動軸部12と、回動軸部12の延びる方向に交差するように当該回動軸部12に配設されたプレート部11とを備えている。枠体5の内周面には、回動軸部12が回転自在に挿入される挿入孔15が形成されている。プレート部11は、枠体5の内周面と本体部6aとの間に位置し、挿入孔15を本体部6a側から塞ぐことが可能な大きさを有している。【選択図】図8
TRAVEL WIND INTRODUCTION MECHANISM
走行風導入機構
2021-06-10
Patent
Electronic Resource
Japanese
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