JPS61106158U

JPS61106158U -

Info

Publication number: JPS61106158U
Application number: JP19138584U
Authority: JP
Priority date: 1984-12-19
Filing date: 1984-12-19
Publication date: 1986-07-05

Description

[Brief explanation of the drawing]

第１図は、実施例の掃除機の斜視図、第２図は
、実施例の掃除機の横断面図、第３図は、目詰り
表示装置の断面図、第４図は、その分解斜視図、
第５図イ，ロ，ハは、目詰り表示装置の外観図、
第６図イは、掃除機の風量と静圧との関係図、ロ
は、じん埃量と風量との関係図、第７図は、目詰
り表示装置の過熱防止弁動作時の断面図、第８図
イはシリンダの側面図、ロはそのＸ―Ｙ断面を示
す断面図、第９図は、実施例ピストンＡの断面図
、第１０図は、実施例ピストンＢの断面図、第１
１図は、実施例ピストンＡとピストンＢを組合わ
せた断面図、第１２図は第１３図は、実施例の目
詰り表示装置の動作状態を示す断面図である。２……電動送風機、９……紙袋、２６……目詰
り表示装置、３１……シリンダー、５０……ピス
トン、４１……バネ、２８……支持台、２９……
連通管、３５……ピストンＡ、３６……ピストン
Ｂ。 Fig. 1 is a perspective view of the vacuum cleaner of the embodiment, Fig. 2 is a cross-sectional view of the vacuum cleaner of the embodiment, Fig. 3 is a sectional view of the clogging indicator, and Fig. 4 is an exploded perspective view thereof. figure,
Figure 5 A, B, and C are external views of the clogging indicator;
Figure 6 A is a diagram of the relationship between the air volume and static pressure of the vacuum cleaner, B is a diagram of the relationship between the amount of dust and air volume, and Figure 7 is a sectional view of the clogging indicator when the overheating prevention valve is in operation. FIG. 8A is a side view of the cylinder, B is a sectional view showing its XY cross section, FIG. 9 is a sectional view of the embodiment piston A, FIG.
FIG. 1 is a cross-sectional view of a combination of an embodiment piston A and a piston B, and FIGS. 12 and 13 are cross-sectional views showing the operating state of the clogging display device of the embodiment. 2... Electric blower, 9... Paper bag, 26... Clogging indicator, 31... Cylinder, 50... Piston, 41... Spring, 28... Support stand, 29...
Communication pipe, 35...piston A, 36...piston B.

Claims

[Scope of utility model registration request]

In a vacuum cleaner having an electric blower, a paper bag filter for dust collection, and a clogging display device that indicates clogging of the paper bag filter, the cylinder, piston, spring, and clogging display device that constitute the clogging display device are This vacuum cleaner is characterized in that in a piston with a support stand and a communication pipe, the connection part between the pressure receiving side piston A and the spring side piston B is composed of a spigot with a gap and a tapered surface, and is assembled without adhesive.