JPH08107860A - Suction port body of electric vacuum cleaner - Google Patents

Abstract

PURPOSE: To provide a suction port body for an electric vacuum cleaner, which does not push the wastes backward even when wastes such as rice grains, etc., are on a surface to be cleaned, and also by which an uncleaned part is not left on the surface to be cleaned. CONSTITUTION: A raised fabric 8 which is provided on the front side of a suction port 6 is arranged to be split at both ends of a lower case 3, and a pressure-control plate 10 is provided between the raised fabrics 8. A raised fabric 9 which is provided on the rear side of the suction port 6 is arranged to be split into a plurality, and a suction path 11 is formed between the raised fabrics. Also, the suction path 11 is arranged at a location which is overlapped with the raised fabric 8 on the front side of the suction port 6, and is tilted in the direction to the suction port 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suction body of an electric vacuum cleaner, and more particularly to a structure of a suction tool suitable for cleaning a floor surface and a fold.

[0002]

2. Description of the Related Art A conventional suction member of this type is disclosed in Japanese Patent Laid-Open No. 2-295.
As described in Japanese Patent No. 527, naps are provided in the front and back of the suction groove formed in the left and right direction of the suction port for sucking dust, etc. The suction passage was formed, and the rear side of the suction port was integrally formed along a suction groove extending from the suction port to the left and right. Further, the suction passage is formed perpendicular to the suction groove.

[0003]

In the conventional mouthpiece of this kind, since the raised cloth on the rear side of the suction mouth is integrally formed along the suction groove over the entire width of the mouthpiece, it is on the wooden floor and on the fold. When cleaning the cleaning surface of, the contact with the cleaning surface is a raised cloth, so the feel is soft and it seems that the surface is wiped with a rag, but if there is dust such as rice grains behind the suction body, I will push it backwards without sucking it. In addition, in order to suck in, it is necessary to lift the mouthpiece once and cover it from above, but at this time, when rice grains or the like are pressed by the raised cloth part, there is a problem that the floor is scratched by operating in that state. Further, in the suction passage formed on the front side of the suction groove, there is a problem that the surface to be cleaned can be left unwiped, although it is vertical to the suction groove and the suction performance near the wall can be secured.

An object of the present invention is to solve this problem and to suck dust even if dust such as rice grains is present on the surface to be cleaned without pushing the suction member backward and without lifting the suction member. Another object of the present invention is to provide a suction body for an electric vacuum cleaner in which the surface to be cleaned is not wiped.

[0005]

A suction unit of an electric vacuum cleaner according to the present invention is provided with a raised cloth made of a cut pile spun cloth in front of and behind a suction port facing a floor surface, and is located at the rear side of the suction port. The raising fabric is divided into a plurality of parts, and the suction passage is formed between the adjacent raising fabrics.

[0006]

In the structure of the invention described above, the napped cloth located on the rear side of the suction port is divided into a plurality of pieces, and the suction passage is formed between the adjacent napped cloths. If there is dust, etc., suck it in through the suction passage in the rear operation of the mouth opening operation and do not push the dust backward.
In addition, the mouthpiece is never lifted up and sucked.

Further, by inclining the suction passage in the direction of the suction port, it is easy to suck and it is possible to eliminate the unwiped portion of the floor surface.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. The sucker body 1 has an outer casing formed by an upper case 2 and a lower case 3. A bumper 4 for preventing damage to furniture is provided between the lower case 3 and the upper case 2, and a rotatable suction joint is provided at a rear end portion. It is equipped with 5. A suction port 6 is formed near the lower center of the lower case 3 and communicates with the suction joint 5.
A suction groove 7 is formed from the suction port 6 in the suction port side direction. Before and after the suction port 6, napped cloths 8 and 9 made of spun cloth on a cut pile are provided. Brushed cloth 8,
9 is made of ultrafine fibers and is formed with high density.

The raised cloth 8 provided on the front side of the suction port 6 is divided and arranged at both ends of the lower case 3, and the pressure control plate 1 is provided therebetween.
0 is set. A plurality of napped cloths 8 at both ends are independently provided, and a suction passage 11 is formed between the napped cloths so as to be inclined. Further, a napped cloth 9 provided on the rear side of the suction port 6 is also divided into a plurality of pieces, and a suction passage 12 is formed between the napped cloths. The suction passage 12 is positioned so as to wrap with the raised fabric 8 on the front side of the suction port 6, and
It is provided so as to be inclined in the direction of the suction port 6.

In such a structure, since the raised fabrics 8 and 9 make contact with the surface to be cleaned, the operation of the suction member is smooth, and the wooden floor and the fold can be wiped and cleaned.

Further, the pressure control plate 10 provided on the front side of the suction port 6 deforms the pressure control plate 10 in the direction opposite to the advancing direction each time the suction port body 1 is operated, so that pressure fluctuation occurs. By detecting this pressure fluctuation with the pressure sensor, it is possible to detect whether or not the suction body 1 is being operated, and it is possible to increase the suction force only when the suction body 1 is being operated, thereby saving power and reducing noise.

Before and after the suction port 6, suction passages 11, 1 are provided.
By forming 2, it is possible to secure dust absorption performance from the front and the rear when operating the suction body, and prevent dust from being pushed back and forth. Further, since the suction passage 12 is at a position where it overlaps with the front raised fabric 8 and the suction passages 11 and 12 are inclined in the direction of the suction port 6, the surface to be cleaned does not remain unwiped and dust is easily absorbed.

[0013]

As described above, according to the present invention, the raised cloth located on the rear side of the suction port is divided into a plurality of pieces, and the suction passage is formed between the adjacent raised cloths. If there is dust such as rice grains in the suction operation, the dust is not sucked from the suction passage in the rear operation of the suction operation, the dust is not pushed backward, and the suction body is not lifted once and sucked.

Further, by inclining the suction passage in the direction of the suction port, it is easy to suck and it is possible to eliminate the unwiped portion of the floor surface.

[Brief description of drawings]

FIG. 1 is a plan view of a bottom portion of a suction body showing an embodiment of the present invention.

FIG. 2 is a sectional view of the mouthpiece.

[Explanation of symbols]

6 ... Suction port, 8, 9 ... Raised cloth, 10 ... Pressure control plate, 1
1, 12 ... Suction passage.

Front Page Continuation (72) Inventor Yoshiichi Sagawa 1-1-1, Higashitaga-cho, Hitachi-shi, Ibaraki Hitachi Ltd. Electric Appliances Division Taga Headquarters

Claims (4)

[Claims] 1. A raised cloth made of cut pile-shaped spun cloth is provided in front of and behind a suction opening facing the floor surface, and the raised cloth positioned on the rear side of the suction opening is divided into a plurality of pieces, which are adjacent to each other. A suction body for an electric vacuum cleaner, characterized in that a suction passage is formed between the mating raised fabrics. 2. The suction body for an electric vacuum cleaner according to claim 1, wherein the suction passage is provided at a position where a raised cloth is present in front of the suction opening. 3. The suction body for an electric vacuum cleaner according to claim 1, wherein the suction passage is inclined toward the suction port. 4. A raised cloth made of a cut pile spun cloth is provided in front of and behind a suction opening facing the floor surface, and the raised cloth positioned in front of the suction opening is divided into a plurality of pieces and adjacent to each other. A suction body of an electric vacuum cleaner, wherein a suction passage is formed between the raised fabrics and the suction passage is inclined.