JP4940687B2 - Vacuum cleaner suction tool and vacuum cleaner - Google Patents

Description

  The present invention relates to a vacuum cleaner suction tool and a vacuum cleaner for use in general households.

  In recent years, an increasing number of people have allergies caused by ticks. The most common place for tick breeding is Futon, and it has been found that the symptoms can be reduced by carefully cleaning the Futon. Therefore, there is a demand for a vacuum cleaner suction tool that efficiently sucks dust from a futon. As an example, there is a vacuum cleaner suction tool configured as shown in FIG. 6 (see, for example, Patent Document 1). .

  In FIG. 7, the outline of the conventional vacuum cleaner suction tool is formed by an upper frame 1 and a lower frame 2, and has a dust collection chamber 3 inside. An opening 4 is provided in the lower frame 2 in the cleaning surface direction. An intake port 5 for sucking dust is formed above the rear portion of the vacuum cleaner suction tool, and an intake pipe 6 connected to the vacuum cleaner (not shown) is rotatable in the intake port 5. Is retained. In addition, a pair of rotating bodies 7 having a plurality of protrusions 7a are rotatably provided in front of and behind the lower frame 2 so as to sandwich the opening 4.

By moving the suction tool for the vacuum cleaner connected to the vacuum cleaner on the futon (not shown) with the above configuration, the protrusion 7a of the rotating body 7 moves while hitting the futon surface. Dust can be sucked.
Japanese Examined Patent Publication No. 2-154727

  However, since the rotating body 7 held in the conventional vacuum cleaner suction tool does not have a drive device, when the vacuum cleaner suction tool is moved back and forth, the upper surface of the futon is only hit. There was only an effect, and the opening 4 provided mainly in the central part of the vacuum cleaner suction tool sucked the futon and sucked the dust. For this reason, there is a problem that the dust entangled with the surface of the futon cannot be scraped. Furthermore, since the opening 4 sucks easily, there is a problem that the operability is extremely poor and an excessive burden is given to the user during the operation.

  The present invention solves the above-described conventional problems, and does not attract excessively futons when cleaning futons, has excellent operability, and can reliably suck dust entangled in the futon fibers. It aims at providing the suction tool for electric vacuum cleaners.

In order to solve the above-described conventional problems, a vacuum cleaner suction tool according to the present invention includes an upper frame and a lower frame that extends in the longitudinal direction and engages with the upper frame and sucks dust. When a rotating body having a plurality of projections on the outer periphery rotatably provided around the opening, and a plurality of bristle brushes arranged around the inner part of the opening, it is formed around the plurality of bristle brush And an intake passage that communicates with the opening and sucks dust, and when the vacuum cleaner suction tool is moved on the futon, the protrusion provided on the outer periphery of the rotating body When the rotating body rotates against the surface, the projections strike the surface of the futon to knock out the dust inside, and the dust entangled with the fibers on the futon surface is efficiently removed with a bristle brush arranged in the opening. Because it is scratched, Performance is significantly improved. At the same time, since the surface of the futon can be prevented from adsorbing to the opening by the bristle brush, it is possible to provide a vacuum cleaner suction tool with extremely good operability.

  Moreover, the vacuum cleaner of this invention is equipped with the vacuum cleaner main body which incorporated the electric blower, and the suction tool for vacuum cleaners of any one of Claims 1-6, The cleaning property of a futon, It is possible to provide a vacuum cleaner that is excellent in the performance of removing dust adhering to the surface and the operability.

  The vacuum cleaner suction tool and vacuum cleaner according to the present invention can efficiently remove dust from the futon, reduce adsorption to the futon, and can be operated lightly to reduce physical fatigue during futon cleaning. be able to.

According to a first aspect of the present invention, there is provided an upper frame body, a lower frame body that engages with the upper frame body and sucks dust, and extends in the longitudinal direction, and is provided rotatably on the front and rear of the opening. a rotating body having a protrusion, and a plurality of bristle brushes arranged around the inner part of the opening, is formed around the plurality of bristle brush, a passage for sucking dust with communicating with said opening intake When the vacuum cleaner suction tool is moved on the futon, the protrusion provided on the outer periphery of the rotating body hits the surface of the futon and the rotating body rotates. The dust on the surface is knocked out by hitting the surface, and further, the dust entangled with the fibers on the surface of the futon is efficiently scraped by the bristle brush arranged in the opening, so that the cleaning performance of the futon is remarkably improved. At the same time, since the surface of the futon can be prevented from adsorbing to the opening by the bristle brush, it is possible to provide a vacuum cleaner suction tool with extremely good operability.

  In the second invention, in particular, the front bristle brush of the first invention is inclined rearward and the rear bristle brush is tilted forward, and the vacuum cleaner suction tool is moved back and forth on the futon. In addition, the bristle brush inclined to the moving direction side effectively scrapes the dust on the surface of the futon, and the bristle brush inclined to the opposite side of the moving direction is not easily bent and resists resistance during movement, and does not make the operation heavy. The operability is not lost while scraping dust efficiently.

  In the third invention, in particular, the front bristle brush of the first invention is inclined forward and the rear bristle brush is inclined rearward, and the vacuum cleaner suction tool is moved back and forth on the futon. In addition, the bristle brush inclined to the moving direction side effectively scrapes the dust on the surface of the futon, and the bristle brush inclined to the opposite side of the moving direction is not easily bent and resists resistance during movement, and does not make the operation heavy. The operability is not lost while scraping dust efficiently.

In the fourth invention, in particular, two rows of bristle brushes are provided before and after the opening of the first invention, and the protruding margin of the bristle brush in the front row is set shorter than that of the bristle brush in the rear row, When the vacuum cleaner suction tool is operated on the futon, the protruding margin of the front bristle brush is shorter than that of the rear bristle brush, so more suction air can be taken into the opening and the front short bristle brush Even if the dust on the surface of the futon is left behind, the bristle brush on the back will surely scrape out and collect, thus improving the dust collection efficiency.

In particular, the fifth invention is configured by providing two rows of bristle brushes in the front and rear of the opening of the first invention, and arranging the front row by alternately arranging long bristle brushes and short bristle brushes. By arranging two rows before and after in the opening, dust scraping and operability are improved, and the front row is configured by alternately arranging long bristle brushes and short bristle brushes. A sufficient opening area for intake air at the bristle brush portion is secured, and the suction performance of dust scraped by the bristle brush is improved.

A sixth invention is particularly provided two rows bristle brush before and after the opening of the first invention, which was constructed in front of the column with a soft bristle brush haired, a bristle brush before and after the opening 2 By forming rows , dust scuffing and operability are improved, and the material of the bristle brush placed in front of the opening is softer than the back bristle brush, so the front bristle brush when cleaning soft futon Does not interfere with operability.

  7th invention is equipped with the vacuum cleaner main body which incorporated the electric blower, and the suction tool for vacuum cleaners of any one of Claims 1-6, and was attached to the cleaning property of the futon and the surface. An electric vacuum cleaner excellent in dust removal performance and operability can be provided.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a diagram showing an overall configuration of a vacuum cleaner connected to a vacuum cleaner suction tool according to a first embodiment of the present invention, and FIG. 2 is a cross-sectional view and a bottom view of the vacuum cleaner suction tool. It is.

  In FIGS. 1 and 2, reference numeral 20 denotes a vacuum cleaner main body, and an electric blower 21 that sucks air at the rear part communicates with the electric blower 21 at the front part, and a dust collection chamber 22 that collects sucked dust is arranged. Has been. A suction port 23 communicates with the dust collecting chamber 22 and is connected to one end of the hose 24. A tip pipe 26 to which one end of the extension pipe 25 is connected is provided at the other end of the hose 24. The upstream end of the extension pipe 25 is connected to the vacuum cleaner suction tool 10 (hereinafter referred to as “suction tool 10”) in the present embodiment.

  The outer shell 10 a of the suction tool 10 includes an upper frame 11 having an intake port 12 for guiding dust to the cleaner body 20 at the rear and a lower frame 14 engaged with the upper frame 11. An intake pipe 13 connected to the extension pipe 25 is rotatably held at the end of the intake port 12.

  The upper frame 11 and the lower frame 14 form a dust collecting portion 15, and an opening 16 for sucking dust from the futon 27 extends in the longitudinal direction of the suction tool 10 at the lower central portion. A plurality of bristle brushes 17 that protrude toward the surface to be cleaned are held inside the opening 16, and an intake passage 18 that communicates with the opening 16 and serves as a passage for sucking dust together with the outside air is provided around the opening 16. Is formed. A pair of rotating bodies 19 having a plurality of protrusions 19 a for hitting the futon 27 on the outer peripheral surface are rotatably held before and after the opening 16.

  In the present embodiment, the bristle brushes 17 are arranged in a plurality of rows (two rows) in the front-rear direction, and the front bristle brush 17 is tilted backward and the rear bristle brush 17 is tilted forward.

  Operation | movement and an effect | action of the suction tool 10 comprised as mentioned above are as follows.

  The suction pipe 13 of the suction tool 10 is connected to the tip of the extension pipe 25 connected to the cleaner body 20 via the hose 24, and the suction tool 10 is moved back and forth in a state where the suction tool 10 is grounded to the futon 27. Then, the rotary body 19 rotatably held in front of and behind the lower frame body 14 rotates, and a plurality of protrusions 19a provided on the surface hit the surface of the futon 27 to give vibration.

  Further, fine dust that causes allergies such as mites that have entered the cloth on the surface of the futon 27 is scraped from the fibers by the bristle brush 17 held in the opening 16. Since the bristle brush 17 is disposed before and after the opening 16, fine powder such as mites once separated from the fibers can be easily sucked from the opening 16 and efficiently sucked.

  Further, a plurality of rows of bristle brushes 17 are arranged (in this embodiment, two rows in the front and rear direction), and the front bristle brush 17 is tilted rearward and the rear bristle brush 17 is tilted forward. When moving the front, the rear bristle brush 17 effectively scrapes dust from the surface of the futon 27 and guides it to the opening 16. At this time, the front bristle brush 17 is easily deflected rearward so that it does not become resistance. Since the operation is not heavy, it is possible to obtain an effect that the operability is not impaired while the dust is efficiently scraped. Moreover, when moving the suction tool 10 backward, it acts reversely to the above, and the front bristle brush 17 can effectively scrape dust from the surface of the futon 27, and the rear brush 17 does not become resistance. Good operability can be maintained.

  Further, since the bristle brush 17 is disposed inside the opening 16, it is possible to prevent the futon 27 from excessively attracting the opening 16. Further, since the front and rear bristle brushes 17 are arranged inward of the opening 16, the suction tool 10 is stretched when trying to suck the futon 27, thereby suppressing unnecessary suction and improving operability. It is possible to provide the suction tool 10 that is lightly operated and has good dust collection efficiency.

(Embodiment 2)
FIG. 3: is sectional drawing and the bottom view of the vacuum cleaner suction tool in the 2nd Embodiment of this invention. Note that the same components as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted.

  In the present embodiment, as shown in FIG. 3, a plurality of bristle brushes 17 are arranged in the front and rear in the opening 16, the front bristle brush 17 is tilted forward, and the rear bristle brush 17 is tilted rearward. The bristle brush 17 efficiently contacts the surface of the futon 27 when the futon 27 is cleaned. That is, when the suction tool 10 is moved forward, the front bristle brush 17 tilted forward effectively scrapes dust from the surface of the futon 27, and the rear bristle brush 17 tilted rearward is resistant to operation. It does not become an obstacle and does not hinder operability.

  Further, when the suction tool 10 is moved backward, the reverse operation is performed, the rear bristle brush 17 effectively scrapes dust from the surface of the futon 27, and the front bristle brush 17 resists resistance during operation. It can be cleaned lightly.

  As described above, according to the present embodiment, the bristle brush 17 is stretched to reliably prevent the cloth of the futon 27 from adhering to the opening 16 and provides the suction tool 10 that is easy to use and has good dust collection efficiency. can do.

  Further, the front bristle brush 17 is inclined to the front side and the rear bristle brush 17 is inclined to the rear side, and the bristle brush 17 is arranged outward in the opening 16, thereby widening the suction range by the opening 16. Dust suction performance is improved. Furthermore, since the dust entangled with the futon 27 is light, it can be easily pulled off from the surface by the bristle brush 17 and easily sucked. Therefore, the suction area can be increased by tilting the bristle brush 17 outward, and the dust collection effect can be improved.

(Embodiment 3)
FIG. 4: is sectional drawing and the bottom view of the vacuum cleaner suction tool in the 3rd Embodiment of this invention. In addition, about the same component as the said embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  In the present embodiment, as shown in FIG. 4, a plurality of bristle brushes 17 are formed in front and rear rows on the cleaning surface side (futon 27 side) of the opening 16 formed in the lower frame 14 of the suction tool 10. In addition, the protruding margin of the bristle brush 17 in the front row is set shorter than that of the bristle brush 17 in the rear row.

  The effect | action of the suction tool 10 comprised as mentioned above is as follows.

  When the suction tool 10 is operated on the futon 27, the front and rear bristle brushes 17 will scrape the surface of the futon 27 and fine dust inside. At that time, since the protruding margin of the front bristle brush 17 is shorter than that of the rear bristle brush 17, a large amount of suction air can be taken into the opening 16. Moreover, since the front bristle brush 17 is short, even if dust on the surface of the futon 27 is left behind, the rear bristle brush 17 scrapes out and collects, so that dust collection efficiency is improved.

  In addition, although the said embodiment demonstrated the case where the front bristle brush 17 was formed short, even if it makes the back bristle brush 17 shorter than the front bristle brush 17, it can acquire the same effect as the above-mentioned. Needless to say.

  As described above, according to the present embodiment, it is possible to provide the suction tool 10 having good operability and good dust removal.

(Embodiment 4)
FIG. 5: is the front view and sectional drawing of the suction tool for vacuum cleaners in the 4th Embodiment of this invention. In addition, about the same component as the said embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  In the present embodiment, as shown in FIG. 5, the lower frame 14 is provided with a pair of rotatable rotators 19 that are grounded to the futon 27, and a plurality of bristle brushes 17 are provided before and after the openings 16. The bristle brushes 17 in the front row are alternately arranged in the longitudinal direction of the suction tool 10.

  The effect | action of the suction tool 10 comprised as mentioned above is as follows.

  By arranging the bristle brushes 17 in the front and rear rows (two rows in the present embodiment), the dust scraping performance is improved and the operability is also improved. Generally, by arranging a plurality of rows of bristle brushes 17, the opening area of the apertures 16 for sucking dust is reduced, so that dust such as hair is difficult to suck. In this embodiment, the front bristle brush Since 17 are alternately arranged in a long and short manner, it is possible to have an effect of scraping dust with the bristle brush 17 while ensuring a sufficient opening area for intake.

  In the above-described embodiment, the bristle brushes 17 in front of the openings 16 are alternately arranged in the long and short directions, but the bristle brushes 17 in the rear may be alternately arranged in the long and short sides. Alternatively, the front and rear bristle brushes 17 may be alternately arranged in a long and short manner, and the same effect as described above can be obtained.

(Embodiment 5)
Drawing 6 is a sectional view and a bottom view of suction tool 10 in a 5th embodiment of the present invention.

  In addition, about the same component as the said embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  In the present embodiment, as shown in FIG. 6, the lower frame body 14 is provided with a pair of rotatable rotators 19 that come into contact with the futon 27, and a plurality of bristle brushes 17 are arranged in front and rear of the lower portion of the opening 16. The front row bristle brushes 17 are formed of a softer material than the rear row bristle brushes 17.

  The effect | action of the suction tool 10 comprised as mentioned above is as follows.

  By forming the bristle brush 17 in a plurality of rows before and after the opening 16, the dust scraping property is improved and the operability is also improved. Generally, when the number of bristle brushes 17 and the number of rows increase, the soft brushes 27 tend to get entangled with the cloth of the futons 27 and the operability is deteriorated. Since the material of the bristle brush 17 arranged in front of is made of a softer material than the bristle brush 17 at the rear, the front bristle brush 17 hardly resists when cleaning the soft futon 27. Will not be disturbed.

  In the present embodiment, the front bristle brush 17 is made of a material softer than the rear bristle brush 17, but a soft material is used for the rear bristle brush 17, or both the front and rear bristle brushes 17 are used. It may be formed of a soft material. In particular, in this case, the suction device 10 that is more gentle to the futon 27 fabric can be provided.

  As described above, the vacuum cleaner suction tool according to the present invention prevents excessive suction on the futon when cleaning the futon, has good operability, and efficiently traps dust entangled in the futon fiber. It can be collected, and can be widely applied to vacuum cleaner suction tools used in household and commercial vacuum cleaners.

The figure which shows the whole structure of the vacuum cleaner which connected the suction tool for vacuum cleaners in the 1st Embodiment of this invention. (A) Cross-sectional view of the vacuum cleaner suction tool (b) Bottom view of the vacuum cleaner suction tool (A) Sectional drawing of the suction tool for vacuum cleaners in the 2nd Embodiment of this invention (b) Bottom view of the suction tool for vacuum cleaners (A) Sectional drawing of the suction tool for vacuum cleaners in the 3rd Embodiment of this invention (b) The bottom view of the suction tool for vacuum cleaners (A) Front view of vacuum cleaner suction tool in fourth embodiment of the present invention (b) Cross-sectional view of the vacuum cleaner suction tool (A) Sectional drawing of the suction tool for vacuum cleaners in the 5th Embodiment of this invention (b) The bottom view of the suction tool for vacuum cleaners (A) Cross-sectional view of a conventional vacuum cleaner suction tool (b) Bottom view of the vacuum cleaner suction tool

Explanation of symbols

10 Vacuum cleaner suction tool (suction tool)
DESCRIPTION OF SYMBOLS 11 Upper frame 14 Lower frame 15 Dust collection part 16 Opening 17 Bristle brush 19 Rotating body 19a Protrusion

Claims (7)

An upper frame, a lower frame that extends in the longitudinal direction and engages with the upper frame and sucks dust, and a rotating body that is rotatably provided before and after the opening and has a plurality of protrusions on the outer periphery. When, with a plurality of bristle brushes arranged around the inner part of the opening, is formed around the plurality of bristle brush, and a suction passage which is a passage for sucking dust with communicating with said opening Vacuum cleaner suction tool. The vacuum cleaner suction tool according to claim 1, wherein the front bristle brush is inclined backward and the rear bristle brush is inclined forward. The vacuum cleaner suction tool according to claim 1, wherein the front bristle brush is inclined forward and the rear bristle brush is inclined rearward. The suction tool for a vacuum cleaner according to claim 1, wherein two rows of bristle brushes are provided on the front and rear sides of the opening, and a protruding margin of the bristle brush in the front row is set shorter than that of the bristle brush in the rear row. The vacuum cleaner suction tool according to claim 1, wherein two rows of bristle brushes are provided in the front and rear of the opening, and the front row is configured by alternately arranging long bristle brushes and short bristle brushes. The vacuum cleaner suction tool according to claim 1, wherein two rows of bristle brushes are provided in the front and rear of the opening, and the front row is constituted by bristle brushes having soft bristle feet. The vacuum cleaner provided with the vacuum cleaner main body which incorporated the electric blower, and the suction tool for vacuum cleaners of any one of Claims 1-6.

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