JPH01148545U

JPH01148545U -

Info

Publication number: JPH01148545U
Application number: JP4280988U
Authority: JP
Priority date: 1988-03-30
Filing date: 1988-03-30
Publication date: 1989-10-16

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例としてのパイプ用換
気扇の構成を示す断面図、第２図は同じくその要
部の分解斜視図、第３図と第４図はそれぞれ薄肉
パイプと厚肉パイプに対する取付け状態を示す説
明図である。図において、１はプロペラフアン、
２はフレーム、３は駆動用モータ、４はモータ取
付足、５はねじ孔、６は差し込み孔、９は板バネ
、１０はフツク部、１１は取付フランジである。
なお、図中同一符号は、同一又は相当部分を示す
。 Fig. 1 is a sectional view showing the configuration of a pipe ventilation fan as an embodiment of the present invention, Fig. 2 is an exploded perspective view of the main parts thereof, and Figs. 3 and 4 are thin-walled pipes and thick-walled pipes, respectively. FIG. In the figure, 1 is a propeller fan,
2 is a frame, 3 is a drive motor, 4 is a motor mounting foot, 5 is a screw hole, 6 is an insertion hole, 9 is a leaf spring, 10 is a hook portion, and 11 is a mounting flange.
Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

A pipe ventilation fan that is installed by being inserted into a pipe installed in an opening in a mounting wall, which includes a substantially cylindrical frame that covers around the fan, and a rear end of this frame that protrudes integrally on an extension of the frame,
Three motor mounting legs lined up at equal intervals in the circumferential direction, a drive motor with a mounting flange joined to the end face of each motor mounting leg and fixed by screwing from the rear, and the base side attached to the motor mounting legs. is,
a leaf spring attached to two of the motor mounting feet, the free end side of which extends forward in an arched manner along the mounting foot; each of the leaf springs has the motor mounting foot attached to the base thereof; A pipe having an insertion part that can be inserted into an insertion hole formed in an end face of the pipe, and the pipe is attached to the outside of the insertion part by being pressed against a mounting flange of a drive motor fixed to the motor mounting foot. ventilation fan.