JPH026936U - - Google Patents

Description

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

第１図ないし第５図は本考案の第一の実施例を
示し、第１図は大なるドレン口部分の縦断側面図
、第２図は大なるドレン口部分で切断した底板の
縦断側面図、第３図は小なるドレン口部分で切断
した底板の縦断側面図、第４図は全体の斜視図、
第５図はキヤツプ部を嵌合した状態での小なるド
レン口部分の縦断側面図である。第６図及び第７
図は本考案の第二の実施例を示し、第６図は第１
図相当図、第７図は第５図相当図である。そして
、第８図及び第９図は従来例を示し、第８図は全
体の破断側面図、第９図はドレン口部分の縦断側
面図である。 図中、１１は換気扇本体、１３は底板、１４及
び１５はドレン口、１６はキヤツプ部、１７は薄
肉部、１８は小ドレン口用嵌合部、１９は大ドレ
ン口用嵌合部、２０はキヤツプ部、２１は小ドレ
ン口用嵌合部、２２は大ドレン口用嵌合部である
。 Figures 1 to 5 show a first embodiment of the present invention, with Figure 1 being a vertical cross-sectional side view of the large drain port, and Figure 2 being a vertical cross-sectional side view of the bottom plate cut at the large drain port. , Fig. 3 is a vertical cross-sectional side view of the bottom plate cut at the small drain port, and Fig. 4 is a perspective view of the whole.
FIG. 5 is a longitudinal cross-sectional side view of the small drain opening with the cap fitted. Figures 6 and 7
The figure shows the second embodiment of the invention, and FIG. 6 shows the first embodiment.
Figure 7 is a diagram equivalent to Figure 5. 8 and 9 show a conventional example, with FIG. 8 being a cutaway side view of the whole, and FIG. 9 being a longitudinal sectional side view of the drain port. In the figure, 11 is the ventilation fan body, 13 is the bottom plate, 14 and 15 are the drain ports, 16 is the cap portion, 17 is the thin wall portion, 18 is the fitting portion for the small drain port, 19 is the fitting portion for the large drain port, 20 2 is a cap portion, 21 is a fitting portion for a small drain port, and 22 is a fitting portion for a large drain port.

Claims (1)

【実用新案登録請求の範囲】 １ 換気扇本体の底板にこれと一体に形成された
大小二つのドレン口を有するものであつて、大な
るドレン口に、小なるドレン口の内周部と密に嵌
合する大きさの小ドレン口用嵌合部を有して該大
なるドレン口を閉塞するキヤツプ部を切断可能な
薄肉部を介して一体に形成したことを特徴とする
ダクト用換気扇。 ２ キヤツプ部は、大なるドレン口の内周部と密
に嵌合する大ドレン口用嵌合部を有することを特
徴とする請求項１記載のダクト用換気扇。[Claims for Utility Model Registration] 1. A ventilating fan that has two drain ports, one large and one small, integrally formed on the bottom plate of the ventilation fan body, with the larger drain port being closely connected to the inner circumference of the smaller drain port. A ventilation fan for a duct, characterized in that a cap part that has a fitting part for a small drain port of a size to fit therein and a cap part that closes the large drain port is integrally formed through a cuttable thin part. 2. The duct ventilation fan according to claim 1, wherein the cap portion has a large drain port fitting portion that tightly fits into the inner peripheral portion of the large drain port.