JP4821522B2 - Dust collection filter for electric vacuum cleaner and electric vacuum cleaner using the same - Google Patents

Description

  The present invention relates to a dust collecting filter for an electric vacuum cleaner and an electric vacuum cleaner using the same.

Conventional dust collecting filters for vacuum cleaners are mainly provided with a bag-like body formed in a bag shape with filter material made of paper, and the entire bag-like body has been made with almost uniform rigidity. (For example, refer to Patent Document 1).
Japanese Utility Model Publication No. 58-181360 (microfilm of Japanese Utility Model Application No. 57-80912)

However, in the configuration of the conventional dust collecting filter for a vacuum cleaner, the bag-like body varies depending on the type of dust and how it enters, and the volume of the dust collecting filter for a vacuum cleaner cannot be effectively utilized. There was a problem.

  This invention solves the said conventional subject, and it aims at providing the dust collection filter for vacuum cleaners with much dust collection amount, and a vacuum cleaner using the same.

In order to solve the above-described conventional problems, the present invention provides a bag-like body having a suction port formed of a plurality of resin nonwoven fabrics having air permeability and flexibility, and a support plate having a dust suction port attached to the suction port. A rigid body portion having a rigidity higher than that of the other portion is provided on a part of the rear surface of the bag-like body, and the rigid portion is configured as a separate part from the bag-like body, and the plurality of resins When the part of the rear surface of the bag-like body is pushed backward by the suction air at the start of operation of the vacuum cleaner, the rigid body part causes the entire rear surface of the bag-like body to move backward. When pressed, the bag-like body can be greatly expanded, so that more dust can be collected.

An electric vacuum cleaner of the present invention comprises an electric blower for sucking dust that emits suction air, and a dust collection chamber that houses the dust collection filter for an electric vacuum cleaner according to claim 1. A vacuum cleaner that can collect a lot of dust can be provided by expanding the dust collection filter as much as possible immediately after the operation of the machine.

  According to the above invention, since the dust collecting filter can be expanded as much as possible immediately after the operation of the vacuum cleaner, it is possible to provide a dust collecting filter for a vacuum cleaner and a vacuum cleaner that can collect a lot of dust.

A first invention includes a bag-like body formed of a plurality of resin nonwoven fabrics having air permeability and flexibility and having a suction port, and a support plate attached to the suction port and having a dust suction port. A rigid body part having higher rigidity than other parts is provided on a part of the rear surface of the body, and the rigid part is configured as a separate part from the bag-like body and disposed between the plurality of resin nonwoven fabrics. Therefore, when a part of the rear surface of the bag-like body is pushed rearward by the suction air at the start of operation of the vacuum cleaner, the entire rear surface of the bag-like body is pushed rearward by the rigid portion, and the bag-like body Can be greatly expanded, so that more dust can be collected .

In addition, the rigid body part is arranged between the plurality of resin nonwoven fabrics, so that the rigidity of the rigid body part can be secured without being influenced by the material of the bag-like body, and the reliability of the dust collection filter is widespread. A high dust collection filter can be provided.

A second invention includes an electric blower for sucking dust that emits suction air and a dust collecting chamber that houses the dust collecting filter for an electric vacuum cleaner according to claim 1 , immediately after operation of the vacuum cleaner. In addition, it is possible to provide a vacuum cleaner that can collect a lot of dust by widening the dust collection filter to the maximum.

  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)
1 is a cross-sectional view of a vacuum cleaner equipped with a vacuum cleaner dust collecting filter according to the first embodiment of the present invention, FIG. 2 is a front view of the vacuum cleaner dust collecting filter, and FIG. FIG. 3 is a cross-sectional view (cross-section AA in FIG. 2) of the dust collection filter for the vacuum cleaner.

  1 to 3, the main body 1 of the vacuum cleaner is arranged on the upstream side of the suction air of the electric blower 2 and the electric blower 2 that generates suction air, and the dust collecting filter for vacuum cleaner in the present embodiment 3 (hereinafter referred to as “dust collecting filter 3”) is provided.

  Next, details of the dust collection filter 3 will be described.

  The dust collection filter 3 includes a bag-like body 6 formed by stacking two resin nonwoven fabrics having air permeability and flexibility, and ultrasonically welding and joining the ultrasonic welded portions 5, and a bag-like body. 6 and a support plate 9 attached to the suction port 7 and having a dust suction port 8, and a welded portion 10 connected to a square is provided on the rear surface portion forming the bag-like body 6. ing.

  With the above configuration, the welded portion 10 connected in a square shape becomes a rigid body portion having higher rigidity than the other portions of the bag-like body 6.

  About the dust collection filter 3 and vacuum cleaner comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  When the main body 1 is operated, the electric blower 2 rotates, and dust is collected by the suction air through the dust suction port 8 of the support plate 9 of the dust collection filter 3 into the dust collection filter 3.

  At this time, the rear surface of the bag-like body 6 is pushed by the suction air, but by pushing a part of the bag-like body 6, the entire rear surface connected by the welded portion 10 can be pushed down. That is, by pushing down the entire rear surface of the bag-like body 6, the dust collection filter 3 can be uniformly spread over the whole dust collection chamber 4 and a large amount of dust can be collected.

(Embodiment 2)
FIG. 4 is a front view of the vacuum cleaner dust collection filter according to the second embodiment of the present invention, and FIG. 5 is a sectional view of the vacuum cleaner dust collection filter (cross section BB in FIG. 4). . Note that the same portions as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

  The basic configuration of the dust collection filter 3 in the present embodiment is the same as that in the first embodiment, and two ultrasonic resin non-woven fabrics having air permeability and flexibility are overlapped, and the ultrasonic weld 5 is ultrasonicated. The bag 6 is formed by welding and joining to form a bag and has a suction port 7 and a support plate 9 attached to the suction port 7 and having a dust suction port 8.

  And in this Embodiment, the lattice-shaped resin frame 11 used as a rigid body part is pinched | interposed between the two resin nonwoven fabrics of the rear surface of the bag-like body 6. FIG.

  The operation and action of the dust collection filter 3 in the present embodiment configured as described above will be described.

  When the vacuum cleaner main body 1 is operated, the electric blower 2 rotates, and dust is collected in the bag-like body 6 of the dust collection filter 3 through the dust suction port 8 by the suction air.

  At this time, although the rear surface of the bag-like body 6 is pushed by the suction air, the entire resin frame 11 can be pushed down by pushing a part thereof. That is, by pushing down the entire rear surface of the bag-like body 6, the dust collection filter 3 can be uniformly spread over the whole dust collection chamber 4 and a large amount of dust can be collected.

Further, by using the resin frame 11 as a separate part, it is possible to cope with an appropriate frame member / shape that matches the material of the dust collection filter 3.

  As described above, the dust collection filter 3 in the present embodiment can be easily expanded to the maximum immediately after the operation of the vacuum cleaner, so that the dust collection filter for vacuum cleaner and the vacuum cleaner having a large dust collection capacity can be provided. It can be provided.

  As described above, since the dust collection filter and vacuum cleaner according to the present invention have a large dust collection capacity and can improve usability, they are particularly suitable for various vacuum cleaners for home use and business use. Useful.

Sectional drawing of the vacuum cleaner which equipped with the dust collection filter for vacuum cleaners in Embodiment 1 of this invention Front view of dust filter for vacuum cleaner AA sectional view of FIG. The front view of the dust collection filter for vacuum cleaners in Embodiment 2 of this invention BB sectional view of FIG.

3 Dust collection filter for vacuum cleaner (dust collection filter)
5 Ultrasonic welding part 6 Bag-like body 7 Suction port 8 Dust suction port 9 Support plate 10 Welding part (rigid body part)

Claims (2)

A bag-like body formed of a plurality of resin nonwoven fabrics having air permeability and flexibility and having a suction port, and a support plate attached to the suction port and having a dust suction port, a part of the rear surface of the bag-shaped body In addition, a rigid body portion having higher rigidity than other portions is provided , and the rigid portion is configured as a separate part from the bag-like body, and the dust collector for a vacuum cleaner disposed between the plurality of resin nonwoven fabrics. filter. An electric vacuum cleaner comprising an electric blower for sucking dust that emits suction air, and a dust collection chamber that houses the dust collection filter for a vacuum cleaner according to claim 1 .

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