JPS5979738U - ventilation fan - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図はこの考案の一実施例を示す断面図、第２図は他
の実施例を示す断面図である。 図において、１は仕切部材、２は開口部、３は換気ダク
ト、４は第１の風路部材、５は本体枠、６は駆動モータ
、８はプロペラファン、９は第２の風路部材、１１は第
３の風路部材、１２は遠心ディフューザ風路である。な
お図中、同一符号は同一または相当部分である。FIG. 1 is a sectional view showing one embodiment of this invention, and FIG. 2 is a sectional view showing another embodiment. In the figure, 1 is a partition member, 2 is an opening, 3 is a ventilation duct, 4 is a first air path member, 5 is a main body frame, 6 is a drive motor, 8 is a propeller fan, and 9 is a second air path member , 11 is a third air path member, and 12 is a centrifugal diffuser air path. Note that in the drawings, the same reference numerals indicate the same or corresponding parts.

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）室内、室外の仕切部材を開通する開口部に埋め込
まれた換気−ダクトによりプロペラファンにて換気を行
なう換気扇において、換気ダクトの内径より大きな外径
を有す名字外側及び室内側に設けられた一対のリング部
、室外側及び室内側の開口部のそれぞれ内側周囲に摺動
可能に取、付けられ、換気ダクト内にせばまる二対のベ
ルマウス部、このベルマウス部の先端部に各々接′　　
　続された換気ダクトの内径より小さい外径を持つ一対
のダクト部から成る第１の風路部材、上記仕切部材の室
外側、室内側にそれぞれ仕切部材と平行に取付けられた
第２及び第３の風路部材、上記第１の風路部材のダクト
部の外径と同じ内径を持ち換気ダクトと上記ダクト部に
よりできる空間内に摺動可能におさまる外径を有する筒
型の本体枠、この本体枠の中央に本体枠と同軸に取付部
材により取付けられた駆動モータ、この駆動モータによ
り回転駆動されるプロペラファンを備えた換気扇。(1) Ventilation embedded in the opening that opens the partition between indoors and outdoors - In a ventilation fan that uses a duct to provide ventilation with a propeller fan, it is installed on the outside and indoor side of the ventilation duct, which has an outer diameter larger than the inside diameter of the ventilation duct. a pair of ring parts attached to the ventilation duct, two pairs of bell mouth parts that are slidably attached to the inner circumferences of the openings on the outdoor side and the indoor side, respectively, and fit inside the ventilation duct; Each contact
a first air passage member consisting of a pair of duct parts having an outer diameter smaller than the inner diameter of the ventilation duct connected to each other; second and third air passage members installed parallel to the partition member on the outdoor side and indoor side of the partition member an air passage member, a cylindrical body frame having an inner diameter that is the same as the outer diameter of the duct portion of the first air passage member and an outer diameter that fits slidably within the space formed by the ventilation duct and the duct portion; A ventilation fan equipped with a drive motor attached to the center of the main body frame by a mounting member coaxially with the main body frame, and a propeller fan rotationally driven by the drive motor. （２）　　プロペラファン羽根車の吹出側軸方向寸法の
一部を上記第１の風路部材のベルマウス部とダクト部の
結合位置よ、り突出させたことを特徴とする実用新案登
録請求の範囲第１項記載の換気扇。(2) A utility model registration claim characterized in that a part of the axial dimension of the blowout side of the propeller fan impeller is made to protrude beyond the joining position of the bell mouth part and the duct part of the first air path member. Ventilation fan described in scope 1. （３）第１の風路部材のダクト部の外周部をネジ形状と
し、筒形の本体枠の内周部を上記ネジ形状と勘合するネ
ジ形状にすることにより、第１の風路部材の２つの部分
と本体枠を締結するようにしたことを特徴とする実用新
案登録請求の範囲第１項または第２項記載の換気扇。(3) By making the outer circumference of the duct part of the first air path member into a screw shape, and by making the inner circumference of the cylindrical body frame into a thread shape that fits into the above screw shape, the first air path member The ventilation fan according to claim 1 or 2, characterized in that the two parts and the body frame are fastened together.