JPS6314980B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a rotating cleaning body for a vacuum cleaner, and in particular, it is capable of storing cotton-like materials such as lint and cotton waste on the floor in a dust room without becoming entangled. The present invention also relates to a rotating cleaning body for a vacuum cleaner with improved dust collection performance.

Conventionally, in the case of a rotating cleaning body in a vacuum cleaner,
A generally cylindrical rotating brush is made up of a large number of bristles arranged radially around the axis, and by rotating the rotating brush, it can flick away dirt on the floor. , by storing it directly in the dust room or using it in combination with air intake,
The general form of a vacuum cleaner is to carry it to a designated garbage storage box, but in the case of such a rotating cleaning body, the tip of the brush bristles easily picks up lint, hair, cotton waste, etc. It cannot be stored in the dust room,
There is a drawback that the bristles get wrapped around or tangled around the rotating brush, causing the brush bristles to fall over and deteriorating the dust collection performance of the vacuum cleaner. This method prevents lint, hair, cotton waste, etc. from getting entangled, but the effect is not satisfactory, and this has been a problem for vacuum cleaners of this type for many years.

For this reason, this product eliminates the drawbacks of the conventional products as described above and prevents lint, hair, cotton waste, etc. on the floor surface from becoming entangled during cleaning, thereby allowing smooth cleaning. has been proposed by the same applicant. For example, December 1982
Patent Application No. 216589 filed in May 1989
No. ``Rotating cleaning body in vacuum cleaner''. FIGS. 1 to 3 show a rotary cleaning body in this vacuum cleaner, and the main body case 1 consists of a top plate and a peripheral side plate,
It has a rectangular shape with an open bottom, and a handle for operating the aircraft can be attached to it (not shown). The rotary cleaning body 3 is rotatably mounted at the center position in the longitudinal direction of both side plates 1a, 1b of the main body case 1, with the driven wheels 2 fixed to both ends of the rotating shaft 4.

Drive rollers 7 and 8 are provided before and after the driven wheel 2.
is rotatably attached to the main body case 1 so that its rolling force can be rationally transmitted to the driven wheels 2. When the drive rollers 7 and 8 touch the floor surface, the outer peripheral portion of the rotary cleaning body 3 is also set at the most suitable position for sweeping up. Dust rooms 9 are provided at the front and rear positions of the rotary cleaning body 3 to store the swept up garbage, and when the garbage is to be disposed of, the dust rooms 9 are opened so that the dust can be removed (not shown). figure).

As shown in FIG. 3, the rotating cleaning body 3 has a rotating shaft 4.
A plurality of blades 10 are provided on the outer peripheral surface of the blade 10 in the axial direction so as to be fixed at one side and spread radially. Each blade 10 is made of a flexible elastic plate such as a rubber plate, a synthetic resin plate, or a metal spring plate, and is designed to flex sufficiently when it comes into contact with the floor. The number of sheets may be arbitrary.

In the above configuration, first, when the main body case 1 is placed on the floor surface, the lower surfaces of the drive rollers 7 and 8 protruding from the lower surface opening come into contact with the floor surface.
In this case, the blade 10 of the rotating brush 3 that is in contact with the floor is bent, so the drive roller 7,
8's contact with the floor surface is not hindered.
Then, use the handle (not shown) to open the main case 1.
When it slides on the floor in the front-back direction, the drive rollers 7 and 8 roll on the floor, and the rotating cleaning body 3 also moves through the driven wheel 2 that is in pressure contact with the drive rollers 7 and 8. Rotate. Due to this rotation, blade 1
Blade 1 that was bent due to contact with the floor of 0
0 comes off from contact with the floor surface, so when it comes off, the elasticity accumulated inside when it flexes will cause the dust etc. on the floor surface to be thrown up and stored in the dust room.

However, in the case of the rotating cleaning body of this vacuum cleaner, the blade 10 needs to have appropriate elasticity to sweep up dust etc. on the floor, so it is necessary to use a thin and flexible material made of hard material. Because it is composed of an elastic plate, it can be used on uneven surfaces.
As shown in FIGS. 4A to 4C, the blade 10 that rides on the convex part 11 on the floor tends to curve over the entire width l along the axial direction of the rotating shaft 4, and therefore There is a possibility that contact with the blade 10 is obstructed and the fine dust accumulated in the recess 12 cannot be swept away. Particularly, when dealing with a surface such as a carpet that has numerous irregularities, it may be difficult to follow the irregularities on the floor surface and bring the tip of the blade 10 into sufficient contact with the floor surface.

The present invention eliminates the drawbacks of the conventional methods as described above, and eliminates lint, hair, cotton waste, etc. even when cleaning not only flat floors but also uneven floors. To provide a rotary cleaning body for a vacuum cleaner, which prevents objects from getting entangled with each other and improves the ability to collect fine dust to perform smooth cleaning.

DESCRIPTION OF THE PREFERRED EMBODIMENTS The rotary cleaning body of a vacuum cleaner according to the present invention will be described in detail below based on embodiments shown in the drawings.

5 to 11 show the rotary cleaning body in the vacuum cleaner according to the present invention, and the only difference from FIGS. 1 and 2 is the rotary cleaning body 33, and other common parts. are indicated by the same quotation number,
The explanation of the configuration etc. will be omitted since it will be redundant.

As shown in FIGS. 7A and 7B, the rotary cleaning body 33 is composed of a blade 101 and a rotating shaft 34, and the blade 101 has a large number of brittle 100 serving as a core material arranged adjacently in the same direction and bonded or bonded to each other. It is formed into a film shape by means such as welding. The blitzle 100 may be made of a flexible elastic material such as rubber, synthetic resin, or a metal spring. The plurality of blades 101 formed in this manner are fixed onto the outer circumferential surface of the rotating shaft 34 in a direction in which each brittle 100 is radial from the rotating shaft 34.

The number of blades 101 may be arbitrary.

In the above configuration, when the main body case 1 is placed on the floor, the lower surfaces of the drive rollers 7 and 8 protruding from the lower opening come into contact with the floor.
In this case, the blade 101 of the rotary cleaning body 33 that is in contact with the floor is bent, so the roller 7,
8's contact with the floor surface is not hindered.
Then, use the handle (not shown) to open the main body case 1.
When it slides on the floor in the front-back direction, the drive rollers 7 and 8 roll on the floor, and the rotating cleaning body 33 also rolls through the driven wheel 2 that is in pressure contact with the drive rollers 7 and 8. Rotate. Due to the rotation of the rotary cleaning body 33, the blade 101, which had been bent due to contact with the floor, comes out of contact with the floor. This device lifts up dirt and other debris from the surface and stores them in the dust room.

In this case, the blitzles 100 are not independent, but are made into a film-like blade 101 by means of adhesion or welding, so that lint, hair, cotton waste, etc. are not caught between the blitzles 100. Since there are no burrs, you can clean these things without getting tangled.

In addition, when the floor surface is uneven, each blade 101 is configured in a film shape by gluing or welding a plurality of brittle 100, as shown in FIGS. 8A to 8C.
Although the elasticity in the radial direction is ensured, the rotation axis 34
Since the interlocking ability in the axial direction of
Even if it runs aground, only the very vicinity will try to follow suit, but there is no tendency to curve over the entire width l'. Therefore, as shown in FIG. 8C, sufficient contact between the recess 12 and the blade 101 is ensured, and the fine dust accumulated in the recess 12 can be swept away.

FIG. 9 shows another embodiment of the rotary cleaning body 102, in which the surface of the brittle 100 is coated with a very thin coating 103 of soft plastic or rubber. This forms the blade 101, and the same effects as described above can be obtained with this blade.

In addition, in the case of the rotary cleaning body 104 shown in FIG. 10, the blade 101 is formed by providing a gap between adjacent bristles 100 and coating them with a very thin coating 103 of soft plastic or rubber. Further, a rotary cleaning body 105 shown in FIG. 11 has a blade 101 formed by integrally molding a brittle 100 and a connecting plate part 106 from plastic, rubber, or the like. In the case of such rotating cleaning bodies 104, 105,
Since the blitzles 100 can be made more independent from each other, the rotating shaft 3 of the blade 101
Since the interlocking in the axial direction of 4 is more limited,
The tendency of the blade 101 to curve in the axial direction of the rotary shaft 34 when it rides on uneven surfaces on the floor can be further reduced, and the contact between the blade 101 and the floor can be made more sufficient.

Although the above embodiment has been described for use in a manual vacuum cleaner, it goes without saying that the present invention is not limited to this and may be used in an electric vacuum cleaner.

With the above configuration of the present invention, even when cleaning not only a flat floor surface but also an uneven floor surface, there is a risk that flocculent materials such as lint, hair, or cotton waste will become entangled. This has the excellent effect of not only being able to reliably prevent this, but also improving the ability to collect fine dust and ensuring smooth cleaning work at all times.

[Brief explanation of the drawing]

Fig. 1 is a longitudinal sectional front view showing a manual vacuum cleaner using a rotating cleaning body as proposed, Fig. 2 is a bottom view of the one shown in Fig. 1, Fig. 3 is an explanatory diagram showing the proposed rotating cleaning unit, and Fig. 4 Figure A is an explanatory diagram showing the state of the item shown in Figure 3 during cleaning, and Figure 4 B is an explanatory diagram showing the state of the item shown in Figure 4 A.
A sectional view, FIG. 4C is a BB sectional view in FIG. 4A, FIG. 5 is a longitudinal sectional front view showing a manual vacuum cleaner according to an embodiment of the present invention, and FIG. Bottom view, FIG. 7A is an explanatory view showing a rotary cleaning body which is an embodiment of the present invention, FIG. 7B is an enlarged explanatory view of FIG. 7A, and FIG. FIG. 8B is a sectional view taken along the line A-A in FIG. 8A, and FIG.
B sectional view and FIGS. 9 to 11 are enlarged explanatory views showing other embodiments of the rotary cleaning body. Explanation of symbols 1... Main body case, 2... Driven wheel, 3
... Rotating cleaning body, 4... Rotating shaft, 5, 6... Axis, 7, 8
...Drive roller, 9...Plate, 10...Blade, 11...
Convex portion, 12... Concave portion, 33... Rotating cleaning body, 34... Rotating shaft, 100... Blitzle, 101... Blade,
102, 104, 105...Rotating cleaning body, 103...
Coating, 106...Binding plate part.

Claims (1)

[Scope of Claims] 1 A rotary cleaning body disposed inside the main body case is rotated to kick up dust, etc. on the floor and store it in the dust room, and dust etc. thrown up by the rotary cleaning body can be thrown up and stored in the dust room. In a vacuum cleaner that uses air in combination with air intake to transport and store the air to a predetermined storage position, the rotating cleaning body has a rotating shaft rotatably installed in the main body case, and a rotating shaft that is connected to the outer peripheral surface of the rotating shaft. It consists of a plurality of flexible blades provided to spread radially, and the blades are configured to interconnect a number of adjacent core members such that the longitudinal direction is the same as the radial direction. A rotating cleaning body in a vacuum cleaner characterized by: