JP2707004B2 - Vacuum cleaner nozzle - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner nozzle.

[0002]

2. Description of the Related Art The nozzles used in electric vacuum cleaners have been studied for many years, and at present, nozzles whose structure is changed according to the specifications of each floor, such as a plate floor, a folding floor or a carpet floor, are used. It is configured.

[0003] Among various floors, carpet floors have hairy feet, so that dust and hair are particularly likely to adhere thereto and are difficult to remove. Recently, especially long-haired carpets have become widespread in households.However, it is extremely difficult to collect refuse at the base of long-haired feet with a normal vacuum cleaner nozzle. Nozzles have also been developed. FIG. 4 is a cross-sectional view of a vacuum cleaner developed for cleaning carpets with long hairs, FIG. 5 is a partially enlarged view of FIG. 5, FIG. 6 is an enlarged view of a protrusion, and FIG. Is a nozzle, 3 is a projection formed with a hole 3a, 4 is a rotating brush, 5 is a dust bag,
6 is an air flow, 7 is a carpet, and 7a is its hair foot.
The vacuum cleaner made of orthogonally arranged a large number of projections 3 in the moving direction of the nozzle to the nozzle 2, when cleaning a long carpet haired 7a, the tip haired of the protrusion 3 7
The garbage and the like accumulated at the root of the bristle feet 7a which reach the root of a are sucked through the hole 3a to be collected.

[0004]

When cleaning is to be performed using the nozzle having the above-mentioned projections, the long bristle feet of the carpet come into contact with the projections 3 arranged on the nozzle 2 to move the nozzle 2. , The movement of the nozzle 2 becomes extremely difficult, and it is substantially difficult to clean the nozzle 2 while pushing and moving it.

The above-mentioned nozzle has been developed for cleaning carpets which have long hairs. When cleaning between folding floors and boards, the nozzle has a larger suction area than the holes 3a of the projections. The resistance is smaller when the air is sucked from the suction port, so that the cleaning efficiency is higher. For this reason, it is common to replace and use nozzles dedicated to the space between the folding floors and boards, and when a floor surface with different specifications is mixed, it has been necessary to replace the nozzles.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the conventional vacuum cleaner, and provides a nozzle which can efficiently clean not only the carpet floor surface but also the folding surface and the floor surface between the plates with one nozzle. What you want to do.

[0007]

In order to achieve the above object, a nozzle of a vacuum cleaner according to the present invention is provided with a plurality of suction bodies having air suction holes formed in the bottom surface of the nozzle body, and An opening having a rotating brush was provided on the back surface of the nozzle body, and the nozzle was rotatably engaged with a suction pipe. The suction body has a boat-shaped cross section in which both ends are tapered in the traveling direction of the nozzle.

[0008]

[Function] When cleaning with the above-mentioned nozzle, on the carpet floor surface, if the side where the suction body is protruded is applied to the floor surface and the cleaning is performed, the tip of the suction body will become It is very efficient to clean carpets, especially carpet floors, which have a long hairy foot, because they reach the deep part and collect dust attached to the base of the hairy foot by suction.

When cleaning between folding floors and boards,
Rotate the nozzle with respect to the suction pipe to clean the back opening against the floor. Efficient cleaning between the floor and the board with rotating brushes.

[0010]

FIG. 1 shows a vacuum cleaner according to an embodiment of the present invention.
Fig. 2 is a sectional side view of the nozzle when cleaning the carpet floor.
FIG. 3 is a cross-sectional side view of the nozzle when cleaning between the plates.
FIG. In the figure, 10 is a nozzle, 11 is a suction pipe, 1
2 is the connection, 13 is the suction body, 14 is the airInhalation
Hole, 15 is an opening, 16 is a rotating brush, 17 is a partition
Walls 18 are between the boards.

As shown in the figure, a plurality of suction bodies 13 having air suction holes 14 are formed at the bottom of the bottom of the nozzle 10 and an opening 15 is formed at the back of the nozzle 10 to form a rotary brush. 16 is arranged. The suction body 13 is a nozzle 10
Both ends in the traveling direction are tapered and formed in a boat-shaped cross section. A partition wall 17 is provided inside the nozzle 10.

The nozzle 10 configured as described above is rotatably mounted on the suction pipe 11 at the connection portion 12. A stopper (not shown) is provided so that the bottom surface and the back surface of the nozzle 10 are parallel to the floor surface.

When cleaning is performed using the nozzle 10 configured as described above, on the carpet floor, as shown in FIG. 1, a suction body 13 projecting below the bottom of the nozzle is applied to the floor. Clean. Since the suction body 13 is formed in a boat-shaped cross section tapered in the moving direction, the suction body moves smoothly without disturbing the carpet 7a of the carpet when the nozzle is moved for cleaning, and cleaning is easy. is there. In addition, since the tip of the suction body 13 reaches the deep part of the hair foot of the carpet, dust adhering to the root of the hair foot is completely suctioned and collected.

When the floor surface is changed from a carpet floor to a folded floor or a plate, the nozzle 10 is rotated, and as shown in FIG. The dust is sucked from the large opening 15 together with a large amount of air and can be efficiently cleaned. Opening 1
Since the rotating brush 16 is attached to 5, it is convenient to collect dirt, hair, etc. of the folded eyes.

By simply rotating one nozzle 10 as described above, cleaning between the carpet floor and the folding floor or board can be performed efficiently, so that cleaning work is reduced. The specifications of the suction body 14 are not limited to the present embodiment. For example, the number of the air suction holes 13 is not limited to three.

The rotary brush 16 attached to the opening 15 on the back surface of the nozzle 10 may not be provided. Further, an opening may be formed in the bottom surface of the nozzle 10 together with the suction body 13 so that dust on the upper surface of the carpet can be sucked.

[0017]

According to the present invention, in a vacuum cleaner, a nozzle having a suction body projecting from the bottom and an opening formed in the back is rotatably connected to a suction pipe.
With one nozzle, it is possible to efficiently clean both the carpet floor, the folding floor and the space between the boards, and the excellent effect of greatly reducing the cleaning work is obtained.

[Brief description of the drawings]

FIG. 1 is a side sectional view of a nozzle of a vacuum cleaner for cleaning a carpet floor according to an embodiment of the present invention.

FIG. 2 is a back view of the nozzle.

FIG. 3 is a side sectional view of the nozzle for cleaning a space between plates.

FIG. 4 is a sectional view of a conventional vacuum cleaner.

FIG. 5 is a partially enlarged view of FIG.

FIG. 6 is an enlarged view of a protrusion.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Nozzle 11 ... Suction pipe 12 ... Connection part 13 ... Suction body 14 ... Air suction hole 15 ... Opening 16 ... Rotating brush 17 ... Partition wall 18 ... Between boards

 ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shinsuke Ise 2-14-40 Ofuna, Kamakura City Mitsubishi Electric Corporation Living System Laboratory (56) References JP-A-56-131 (JP, A) JP-A Hei 1-151426 (JP, A) Actually open 55-269 (JP, U)

Claims (1)

(57) [Claims] 1. A nozzle having a boat-shaped cross-section suction body having an air suction hole protruding below a bottom surface and an opening provided with a rotating brush provided on the back surface thereof is rotatably mounted on a suction pipe. A nozzle for a vacuum cleaner characterized by being engaged.