JPS609445B2 - Vacuum cleaner suction tool - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION An object of the present invention is to achieve high performance and high durability in a suction tool for a vacuum cleaner.

As shown in Fig. 1, the suction tool of a conventional vacuum cleaner has a suction groove 101 with an elastic body and flexible glue 100 that have less leakage than ordinary brushes in order to achieve high performance. They were placed either in the front or rear of the lip to allow air to enter through the gap between the tip of the lip and the cleaning surface to improve operability, pushing dirt forward, and suctioning corners. Therefore, in order to allow the lip to bend at the tip, it was necessary to make the tip of the lip 100 thinner, as shown in Figure 2. However, since this part constantly comes into contact with the cleaning surface, it wears out and has a very short lifespan.Also, although it has a stronger suction force than a brush, its stiffness is weaker than a brush, making it difficult to scrape off dust that adheres to the cleaning surface. It had the disadvantage that it could not be done.

The present invention solves the above-mentioned conventional drawbacks, and embodiments thereof will be described below with reference to FIGS. 3 to 10.

In Figures 3 and 4, 1 has a suction groove la, and a pipe 2
The suction odor main body 3 is rotatably attached, and reference numeral 3 is a control body that forms a flexible lip portion 3a along the suction groove la and slit grooves 3b at equal intervals in the longitudinal direction.

The control body 3 having the lip portion 3a is attached to the suction tool main body 1 via a fixing plate 4 with screws 5.

4a is a reinforcing portion provided on a part of the fixing plate 4 and the lip portion 3
It plays a role in preventing A from falling inward due to suction force.

6 is a brush, and 7 is a spring that moves the brush 6 in and out depending on the surface to be cleaned.

8 is a roller which functions to prevent damage to the floor surface and support the suction tool, and at the same time improves the operability of the suction tool.

In the above configuration, when attempting to clean, when the suction force of the vacuum cleaner main body 1 is weak, the lip portion 3a remains closed as shown in Fig. 5 and increases the pressure in the suction groove la, allowing the suction tool to reach its fullest extent. Trying to get a bonito bride. Also, when the vacuum cleaner main body has very high performance, the lip 3a opens laterally like a door as shown in Figure 6, and a gap is formed between the lips, and dust on the floor is removed from this gap. Can be inhaled. FIG. 8 shows another embodiment of the present invention. In this case, a control body 11 is provided in which a lip part 9 and a reinforcing part 10 are integrally made of an elastic body such as rubber, and the center part is connected to the end. It is considerably thicker and curved in comparison. In this case, the operation is similar to the previous embodiment. In the above embodiment,
The thickness of the lip portion 9 becomes thinner toward each dividing surface, but if it is difficult to bend, it may be made constricted at the base of the reinforcing portion 10.

FIG. 10 shows another embodiment of the present invention, in which a large number of protrusions 13 are provided at the tip of the split or split structure, and in addition to the above-mentioned function, these protrusions 13 also serve as a brush. However, by separating the bristles, you can remove dust that adheres strongly to the cleaning surface and dirt that is deep on the carpet. As described above, according to the present invention, the lip is divided into a certain length, the central part is reinforced to give some rigidity, and the lip can be split or opened like a door, making it more flexible than conventional ones. Since the flesh of the lip does not touch the cleaning surface, it not only provides high durability, but also has a strong back that supports the lip compared to conventional lip-type suction devices. Because it forms a part, it can also have a brush effect of scraping away dust that adheres strongly to the surface to be cleaned.

Furthermore, even if the surface to be cleaned has deep hair and the suction tool is wet, the lip opens to produce a suction effect, and its practical value is extremely high.

[Brief explanation of drawings]

Figure 1 shows a conventional example, where figure a is a bottom view and figure b is A of figure a.
-A sectional view. Fig. 2 is an explanatory diagram of the operation of the conventional example, Fig. 3 is a perspective view of the suction tool according to an embodiment of the present invention, Fig. 4 a is a bottom view of the same, and b
shows a cross-sectional view taken along line B-B in figure a. FIG. 5 is a perspective view of the control body, FIG. 6 is a perspective view showing the same operating state, FIG. 7 is a bottom view of the same, FIGS. 8 and 9 show other embodiments of the present invention, and FIG. The bottom view and FIG. 9 are perspective views of essential parts. FIG. 10 is a perspective view of a main part of still another embodiment. 1... Suction odor main body, la... Suction groove, 3, 11... Control body,
3a, 9, 12... lip part, 4a, 10...
Reinforcement part, 13...Protrusion. Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10

Claims (1)

[Claims] 1. A control body is provided near the suction groove of the suction device body along the suction groove, and this control body includes a lip portion divided into many parts,
A suction tool for a vacuum cleaner comprising a reinforcing portion provided approximately at the center of the lip portion. 2. The suction tool for a vacuum cleaner according to claim 1, wherein the reinforcing portion is formed by integrally forming the control body with an elastic material and having a thick wall to provide rigidity. 3. The suction tool for a vacuum cleaner according to claim 1 or 2, characterized in that a large number of protrusions are formed at the tip of the control body.