JPS62148270U

JPS62148270U -

Info

Publication number: JPS62148270U
Application number: JP3805186U
Authority: JP
Priority date: 1986-03-14
Filing date: 1986-03-14
Publication date: 1987-09-19

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す分解斜視図、
第２図は同横断面図、第３図は貫通孔閉塞時の状
態を示す同たて断面図、第４図は貫通孔開口時の
状態を示す同たて断面図、第５図は従来例を示す
側面図である。１０…ホース接続パイプ、１１…第１の貫通孔
、１２…回動軸、１３…開口板、１５…第２の貫
通孔、１６…開口板ツマミ、１８…風量調整板、
２０…バネ。 FIG. 1 is an exploded perspective view showing an embodiment of the present invention;
Fig. 2 is a cross-sectional view of the same, Fig. 3 is a longitudinal sectional view showing the state when the through hole is closed, Fig. 4 is a longitudinal sectional view showing the state when the through hole is open, and Fig. 5 is the conventional It is a side view which shows an example. 10... Hose connection pipe, 11... First through hole, 12... Rotating shaft, 13... Opening plate, 15... Second through hole, 16... Opening plate knob, 18... Air volume adjustment plate,
20...Spring.

Claims

[Scope of Claim for Utility Model Registration] 1. A first through hole for introducing air is provided in a part of the hose connecting pipe attached to the tip of the hose, and the rotation axis is centered around a rotation axis provided near the first through hole. An air volume adjustment device for a vacuum cleaner, which is provided with an aperture plate that opens and closes the first through hole by rotating as shown in FIG. 2 The aperture plate is biased by a spring or the like to close the first through hole, and is lifted by pressing an aperture plate knob extending at a position opposite to the rotation axis. 1. The air volume adjusting device for a vacuum cleaner according to claim 1, wherein one through hole is opened. 3. The aperture plate has a second through-hole for introducing air, and an air volume adjustment plate is slidably attached so that the opening area of the second through-hole can be freely changed. An air volume adjustment device for a vacuum cleaner according to scope 1.