JPS6034423A - Dust collector of electric cleaner - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a dust collection device for a vacuum cleaner using a paper bag.

Conventional structure and its problems Traditionally, paper bags for vacuum cleaners of this type have an intake port for taking in dust and air at one end of a cylindrical paper (filter), and a seal at the other end. -2, /rNJ bar 恕・6＜＋ and thick -4 小千danmu The dust that enters the inlet and h due to its qualitative force collides with the inner wall of the paper bag at the position corresponding to the inlet, especially sharp glass. Debris.

There were cases where the plastic pieces broke when inhaled. In addition, even the sand and dirt that is normally inhaled can cause the paper (filter) to break down due to repeated collisions with the position corresponding to the intake port.
was fatigued, fine dust leaked through the pinhole, and the leaked fine dust flowed out from the exhaust, making the cleaning air dirty and unsanitary.

Further, when the dust accumulated in the paper bag at the position corresponding to the intake hole and a small amount of dust was broken, the pressure loss became large and the suction performance deteriorated. That is, the dust absorption is good immediately after the paper bag is replaced, but the dust absorption decreases as soon as it is cleaned a little, and the paper bag has to be replaced even when there is not enough dust accumulated in the paper bag.

OBJECTS OF THE INVENTION The present invention solves the problems of dust leakage and deterioration of dust absorption performance, and provides an inexpensive paper bag.

Structure of the Invention The present invention prevents tearing or pinholes by providing an impermeable part larger than the shape of the intake port at a position corresponding to the intake port of the paper bag, and also reduces the The attached dust hits the non-ventilated part and rotates, preventing immediate clogging and ensuring sustained dust suction performance.

Explanation of actual h1!1 example Examples thereof will be described below based on FIGS. 1 to 6.

In the figure, reference numeral 1 denotes an electric blower using IL pressure, which is sandwiched between a back plate 3 fixed to a body 2 with screws, etc., and an upper body 4. Reference numeral 5 denotes a removable dust box lid, which together with the body 2 forms a storage lid container part 6. Reference numeral 7 designates a paper bag for collecting dust inside the bag, which fits into an intake port 8 connected to a port (not shown) and is attached to the dust container 6.

Air is collected inside the paper bag γ by its filtering action, passes through the inside of the electric blower 1, and is exhausted from the tJ1 air port 2a provided at the rear of the body 2.

9 is a moving a-lar, and 1o is a moving caster.

Next, as shown in FIG. 3, the paper bag 7 has a mouth plate 12 that fits into the air intake port 8 on the front part of a filter 11 made of Japanese paper or the like with good air permeability, which is formed into a cylindrical shape with a glue allowance 11a. Adhesive, /-ru (I111 configuration).

Reference numeral 13 denotes an air-impermeable piece which is attached to the opening plate 12 at a position corresponding to the hole 12a and is larger than the hole in the plate 12a.

With the above configuration, the dust that enters through the intake port 8 directly hits the impermeable sheet 13 due to the penetrating force, but conventionally, since this part is breathable, the dust directly hits the air intake port 8.
The rear suction on the opposite side collects dust from the rear, and the dust is used as a nucleus to be raised one by one into a dust raft.

However, in this embodiment, since the rear part is impermeable, the dust is not attracted to the rear part, and the dust constantly rotates as shown in Fig. 4.
The inner wall of the filter 11 is always scraped by dust, and even if the amount of dust introduced increases, the air volume is always stable as shown in Figure 6A, so even if dust accumulates, it can be cleaned with a nearly constant dust suction power. It is something. Note that B in FIG. 6 shows the conventional characteristics. Since the part where dust enters the air intake port and directly hits the trench is reinforced with an impermeable sheet 13, even if sharp objects such as glass fragments are inhaled, the paper bag 7 does not break, which is comparable to the conventional method. The paper will not become fatigued due to direct contact with dust, causing pinholes and fine dust leakage.

In addition, as another example, if a thermoplastic plastic such as vinyl chloride is used for the impermeable sort, it can be thermally welded, and there is no need for gluing, etc., and the number of man-hours can be reduced.

Effects of the Invention As described above, according to the present invention, it is possible to prevent clogging.
Even if it is dusty or budding, the dust suction power is always constant,
Since the dust suction power does not decrease, efficient cleaning can be performed, and there is no It111 dust leakage due to paper bag tears or pinholes, and extremely hygienic cleaning can be performed.

\4. Brief description of the drawings Figure 1 is a perspective view of a vacuum cleaner according to an embodiment of the present invention, Figure 2 is a sectional view of the same, Figure 3 is a perspective view of a paper bag, and Figure 4 is a perspective view of the same paper bag. FIG. 6, which is a state diagram showing the flow of air inside, is a graph showing the correlation between the amount of air and the amount of dust for the present invention and the conventional product.

7... Paper bag, 13... Impermeable part (impermeable sheet).

Name of agent: Patent Attorney H - Toshio Nakao and 1 other person No. 3
Figure If 2134Figure 'tail 51nj Amount of dust -

Claims (2)

[Claims] (1) A dust collector for a vacuum cleaner, which is provided with an impermeable part larger than the shape of the air inlet at a position corresponding to the air inlet of the paper bag. (2) Thermoplastic glass tinokun such as vinyl chloride = 1.
2. The dust collecting device for a vacuum cleaner according to claim 1, wherein the impermeable portion is formed by bonding by thermal welding.